2016Ⓒ 2017 The Institute for Solid State Physics, The University of Tokyo

Activity Report
2016

Preface					

1Research Highlights		

2 - 25

Joint Research Highlights

26 - 37

Progress of Facilities		38 - 45

Conferences and Workshops

46 - 53

Subjects of Joint Research

54 - 155

Publications

156 - 187

The Institute for Solid State Physics (ISSP), The University of Tokyo
Address

5-1-5 Kashiwanoha, Kashiwa, Chiba, 277-8581, JapanPhone+81-4-7136-3207

Home Page

http://www.u-tokyo.ac.jp

Preface

We are pleased to present the annual ISSP Activity Report for
the academic year 2016. ISSP (Institute for Solid State Physics) wasestablished in 1957 as a joint-use research institution attached to the
University of Tokyo. Since then both in-house research and collaboration with external users have been essential elements of the activities
of ISSP.
The research at ISSP has been pursued along two major directions.
Synthesis of new materials and nano-structures in search for novel
phenomena and functions, as well as their theoretical understanding,by advanced and original methods are at the core of modern condensed
matter science. Such activities are being conducted by relatively small independent groups at ISSP and theircollaborators. In 2016, we launched two new research groups, the functional materials research group and thequantum materials research group, in order to explore interdisciplinary fields. At the same time, importanceof large experimental and computational facilities in materials science has been rapidly increasing in recent
years. ISSP has been actively involved in development and operation of some of those large facilities that are
difficult to maintain for typical university faculties. Notable achievements in this direction are summarized
below.
(1) ISSP has been operating supercomputers dedicated to materials science. In addition, the Center ofComputational Materials Science provides technical supports to facilitate use of massively parallel computational resources such as the K and the post K computers. (2) The International MegaGauss Science Laboratory continues to develop both the destructive ultrahigh magnetic field by electromagnetic compression aimed
at 1000 tesla and the non-destructive long-pulse magnetic field by a flywheel generator. (3) ISSP has been
providing external users access to advanced spectroscopies that use quantum beams such as neutron andsynchrotron light sources. It is a pity for the neutron scattering society that the JRR-3 reactor at Tokai has been
shut down after the earthquake in 2011 but we are expecting reopening in near future. The pulsed neutron
spectrometer at J-PARC developed jointly by ISSP and KEK is now in operation. At the Laser and Synchrotron Research Center, we explore frontier of advanced spectroscopy in ultraviolet and soft X-ray region by
combining high power laser being developed in Kashiwa and synchrotron beamline installed in SPring-8.

June, 2017

Masashi Takigawa
Director
Institute for Solid State Physics
The University of Tokyo

ISSP Activity Report 20161

Research Highlights
Identification of the Superconducting
Gap Structure of the Heavy-Fermion
Antiferromagnet UPd2Al3 by AngleResolved Heat Capacity Measurements
Sakakibara GroupThe hexagonal heavy-fermion compound UPd 2 Al 3
exhibits superconductivity below Tc = 2 K, which coexists
with an antiferromagnetic ordering that sets in at TN = 14.5 K[1]. Various experiments including inelastic neutron
scattering [2] and thermal conductivity [3] measurements
have inferred that the superconducting gap function is of
nodal A1g type, Δ(k) = Δ0cos(kzc), having horizontal line
nodes. Up to present, however, no thermodynamic evidence
for the horizontal line node has been obtained.
In order to examine the pairing symmetry of UPd2Al3
in the light of quasiparticle density of states, we performed
angle-resolved heat capacity (C) measurements on a highquality single crystal of UPd2Al3 in rotating magnetic fields(H) [4]. When H is rotated in the basal plane, no angularvariation of C(H,ϕ) that could be ascribed to vertical line
nodes is observed. To probe the horizontal line node, we
examined the polar-angle (θ) dependence C(H,θ) and theresults are shown in Fig. 1(a). Below 0.5 T, a twofold
oscillation is clearly observed with a maximum_ at θ = 0˚
(H||[0001]) and a minimum at θ = 90˚ (H||[1120]). Above

2.5 T, the twofold angular oscillationis reversed and the_
maximum appears along [1120], reflecting the underlying
nodal structure as well as the anisotropy of the upper criticalfield Hc2. Very interestingly, in the field range from 1 to
2 T, a new feature appears in C(H,θ) in an intermediate angle
region; at 1 T, a shoulder or a hump appears at θ ~ 30˚, andmoves to the higher angle side θ ~ 45˚-60˚ with increasing
H to 2 T. Above 2.5 T, it finally merges into the maximum
at θ = 90˚ arising from the Hc2 anisotropy. Remarkably, themaximum of C(H,θ)/T at 1.5 T occurs near 45˚.
The observed field evolution of C(H,θ), in particular theshoulder/hump structure in the intermediate angular region,
provides strong evidence that a horizontal line node exists on
the Fermi surface. We performed microscopic calculations of
the zero-energy density of states (ZEDOS) by means of thequasiclassical Eilenberger theory within the Kramer-Peschapproximation [4]. Figure 1(b) shows the calculated angulardependence of ZEDOS, assuming a spherical Fermi surface
and a model gap function ∆(k) = ∆0kz that has a horizontal
line node at the equator. The results clearly demonstratethat the anisotropy inversion occurs in the ZEDOS as H
increases. What is more important is that the calculated
results successfully reproduce the shoulder/hump anomaly
around 30-60˚ in C(H,θ) at the intermediate fields. The polar
angle dependence of C(H,θ), therefore, possesses sufficiently
high resolution to detect the horizontal line node.
References[1] C. Geibel et al., Z. Phys. B Condens. Matt. 84, 1 (1991).
[2] N. Bernhoeft et al., Phys. Rev. Lett. 81, 4244 (1998).
[3] T. Watanabe et al., Phys. Rev. B 70, 184502 (2004).
[4] Y. Shimizu et al., Phys. Rev. Lett. 117, 037001 (2016).
Authors
Y. Shimizu, S. Kittaka, T. Sakakibara, Y. Tsutsumia, T. Nomotob,
H. Ikedac, K. Machidac, Y. Hommad, and D. Aokida
University of Tokyob
Kyoto UniversitycRitsumeikan UniversitydTohoku University

Improved Stability of a Metallic Statein Benzothienobenzothiophene(BTBT)-based Molecular Conductors:
an Effective Increase of Dimensionality
with Hydrogen Bonds
Mori Group(a) Field-angle variation of C(H,θ)/T of UPd2Al3 with H rotated in theac plane measured at 0.2 K. (b) Calculated results of the field-angle
dependence of ZEDOS in magnetic fields normalized by Hc2 for alinear horizontal line node. The inset shows the definition of angles forthe hexagonal structure.

2

ISSP Activity Report 2016

One of the merits in organic conductors based uponmolecules is the designability and variety of molecularcomponents [1], which lead a wide range of electronic
states such as exotic metallic [2], superconducting [3], DiracFermion, quantum spin liquid [4], and electron glass states.
These curious solid states [2-6] have been given a birth based

upon newly designed and synthesized molecules, usually
tetrathiafulvalene (TTF) and its derivatives with 7 π system.
Recently, another donor molecule benzothienobenzothiophene (BTBT) with 6 π system has been synthesized to be asuperior semiconductor for field-effect-transistor. Although
this BTBT is poor electron donor, it is realized to afford
one-dimensional molecular conductor, (BTBT)2PF6. In thisarticle, the successfully improved stability of a metallic statein newly synthesized BTBT derivative-based molecular
conductor, β-[BTBT(OH)2]2ClO4, by the increase of dimensionality with hydrogen (H)-bonds is reported [6].
The novel donor molecule BTBT(OH)2 was synthesizedby 7 steps with utilizing Sonogashira coupling method.
Surprisingly, our newly synthesized BTBT(OH)2 functionalized at the 2,3-positions has been unknown, although a lotof BTBT derivatives have been designed and synthesized sofar. Therefore, our present synthetic strategy will be effective
in exploring a new class of functionalized BTBT derivatives.
The electrocrystallization of BTBT(OH)2 in the presenceof tetra-n-butylammonium perchlorate gave the molecular
conductor, needle-like black crystals of the ClO4 salt, namely
β-[BTBT(OH)2]2ClO4. The BTBT(OH)2 is partially oxidized
state with a +0.5e charge and expected to form a 3/4-filledband structure. The BTBT(OH)2 molecule is almost planarand forms a head-to-tail-type uniform stack along the b-axis
with an inter-planar spacing of 3.326 Å. It is noteworthy
that two kinds of [O–H..O]-type H-bonding interactions
were observed between the hydroxy groups of the donor
and the ClO4 anion. Consequently, an infinite 1D H-bondchain structure is formed along the c-axis. In this arrangement, very weak C–H..S interactions are also found in theside-by-side direction of the donor molecule. As a resultof these intermolecular interactions, BTBT(OH)2 produces
a sheet type molecular arrangement (Fig. 1). The transfer
integrals, which correspond to inter-molecular interactions
between the neighbouring molecules, are largest in thestacking direction b (91.0 meV) and relatively smaller in the
diagonal directions p (2.77 meV), q (13.6 meV), and r (13.1
meV). The effect of the H-bond interactions in the crystal ofβ-[BTBT(OH)2]2ClO4 is further disclosed by comparing the

Fig. 1. We have proved that hydrogen-bonding interaction can increase
the dimensionality and stabilize a metallic state for the newly synthesized benzothienobenzothiophene (BTBT)-based molecular conductor,
β-[BTBT(OH)2]2ClO4. This charge-transfer complex offers a newpromising strategy for designing and developing next generation
organic electronic materials/devices.

crystal structures of β-[BTBT(OH)2]2ClO4 and the parent
salt (BTBT)2PF6. As shown in Fig. 1, the BTBT moleculesin (BTBT)2PF6 form windmill-type columnar structureswith effective π–π interactions. There are, however, no effective interactions between the columns, due to the existenceof C–H..F contacts between the donor molecule and thePF6 anion. As a result, the columnar arrangement producesa typical 1D electronic structure with a flat Fermi surface.
On the other hand, the π-stacking columns in the present
salt β-[BTBT(OH)2]2ClO4 (Fig. 1) are connected with theO–H..O H-bonding interactions through the ClO4 anions.
The resultant Fermi surface is warped in the 3/4-filled band
structure, which means the formation of a quasi-one-dimensional (Q1D) electronic structure in β-[BTBT(OH)2]2ClO4.
This enhancement of the electronic structure from 1D to
Q1D is also evidenced by comparing the anisotropy of thetransfer integrals. (BTBT)2PF6 has a strong interaction
within the π-stacking column (87 meV); however, the interstack interaction is negligibly small (1.4 meV). On the other
hand, the present β-[BTBT(OH)2]2ClO4 has the substantial
interstack interactions (q, r ~ 13 meV), in addition to thestrong intrastack one (b = 91 meV), as described before.
Thus, the intrastack/interstack anisotropy is significantly
decreased from 60 (= 87/1.4) in (BTBT)2PF6 to 7 (= 91/13)
in β-[BTBT(OH)2]2ClO4.
The increase of the dimensionality of the electronic struc-turesignificantly influenced the electrical conducting properties. The crystal of β-[BTBT(OH)2]2ClO4 shows a relatively
low room temperature electrical resistivity (ρ300K = 5.5 ×
10-3 ohm cm), which decreases with decreasing temperature
down to 135 K. This temperature dependence indicates that
this salt is metallic above 135 K, and more importantly, thismetallic state is more stable than that of (BTBT)2PF6. Thisis because this salt does not show an abrupt resistivity jump,
as seen in (BTBT)2PF6 at 150 K. Therefore, we have provedthat the increase of the dimensionality caused by the H-bondinteractions brings about the stabilization of the metallic
state in BTBT-based conductors. On further cooling, this salt
finally undergoes a metal–insulator-like transition around
60 K, after entering the semiconducting state at 135 K. A
similar transition without hysteresis has also been observedin (BTBT)2PF6 at around 50 K.
In conclusion, we have successfully synthesized novel
organic donor with 6 π system and the introduction ofhydrogen bond, benzothienobenzothiophene (BTBT)
derivative, BTBT(OH) 2, and realized a stable metallic
state in a quasi-one dimensional charge-transfer salt,
β-[BTBT(OH)2]2ClO4. The strong H-bonding ability of thecatechol-type hydroxyl groups has played a crucial role in
the formation of an infinite one-dimensional H-bonded chain
structure, which leads to the increase of the dimensionalityof the electronic structure and the stable metallic state. These
results demonstrate that functionalized BTBT derivatives
are promising electron donors in molecular conductors. We
believe that this study will pave a new way for designing anddeveloping high-dimensional BTBT-based materials/devices
with interesting conducting properties (e.g. superconductivity
and high carrier mobility).
References[1] H. Kamo, A. Ueda, T. Isono, K. Takahashi, and H. Mori,
Tetrahedron Lett. 53, 4385 (2012).
[2] T. Isono, H. Kamo, A. Ueda, K. Takahashi, A. Nakao, R. Kumai,
H. Nakao, K. Kobayashi, Y. Murakami, and H. Mori, Nature Commun.
4, 1344 (2013).
[3] S. Kimura, R. Chiba, T. Mori, T. Kawamoto, H. Mori,
H. Moriyama, Y. Nishio, and K. Kajita, Chem. Commun. 2004, 2454.

ISSP Activity Report 20163

[4] T. Isono, H. Kamo, A. Ueda, K. Takahashi, M. Kimata, H. Tajima,
S. Tsuchiya, T. Terashima, S. Uji, and H. Mori, Phys. Rev. Lett. 112,
177201 (2014).
[5] A. Ueda, S. Yamada, T. Isono, H. Kamo, A. Nakao, R. Kumai,
H. Nakao, Y. Murakami, K. Yamamoto, Y. Nishio, and H. Mori, J. Am.
Chem. Soc. 136 (34), 12184 (2014).
[6] T. Higashino, A. Ueda, J. Yoshida, and H. Mori, Chem. Commun.
53, 3426 (2017).
Authors
T. Higashino, A. Ueda, J. Yoshida, and H. Mori

Double Carrier Transport inElectron-Doped Region in High-Mobility
Thin-Film Black Phosphorus FETOsada Group
Black phosphorus (BP) is a layered material which was
extensively studied in the 1980s because it was a singleelement semiconductor with higher mobility than silicon or
germanium. In the past a few years, BP has again attracted
a great deal of attention as one of post-graphene atomic
layer materials. It shows high performance as a field effecttransistor (FET) material; much larger on/off ratio thangraphene and higher mobility than transition metal dichalcogenides. It is known that thin-film BP is degraded byphotochemical reaction under oxygen and water atmosphere,
so that techniques to avoid the degradation are important toobtain high quality thin films. Using high quality samples,
the Shubnikov-de Haas (SdH) oscillations and the quantum
Hall effect of two dimensional (2D) carriers have beenstudied. However, most of preceding studies were performedin negatively gated (hole-doped) region. In this work, wehave achieved the highest Hall mobility ever reported in thinfilm BP, and observed clear SdH oscillations, which indicate
double carrier transport in positively gated (electron-doped)
region.
The samples were prepared by the mechanical exfoliationand dry transfer techniques in the grove box to avoid degradation. First, a thin-film BP flake with the thickness of 15-20
nm is fixed on an atomically-flat hexagonal boron nitride(h-BN) flake on the SiO2/n+-Si substrate. Next, it is partiallycovered by a smaller h-BN flake. Electrodes are formed on
the edge of this top h-BN flake by the lithography process
in the atmosphere. Since the measured region in BP layer issandwiched by two h-BN layers, we can avoid the degradation and improve carrier mobility. Using this simple method,
we have achieved the Hall mobility of 6,000 cm2/Vs and
5,800 cm2/Vs at 4.2 K for holes and electrons, respectively.
These values are comparable to the reported highest mobility.

Fig. 2. Magnetoresistance of thin-film BP FET under several gate
voltages.

In the negatively-gated (hole-doped) side, we haveobserved negative magnetoresistance (MR) due to weak
localization and SdH oscillations with clear spin splitting.
The carrier density estimated from the SdH period is well
proportional to the gate voltage with small correction of
charge neutrality. This fact indicates that a single 2D hole gas
is formed in the inversion layer.
In contrast, anomalous transport behaviors have been
observed in the positively gated (electron-doped) side. The
gate voltage dependence of conductance showed an anomalous shoulder structure. In the gate voltages below it, normal
behaviors, the negative MR and single SdH oscillation,
were observed like the hole-doped side. In the gate voltages
above it, the MR turned to positive and saturated accompanied by slow and fast SdH oscillations. The summation ofcarrier densities estimated from two SdH periods coincides
with the density expected from the gate voltage. These facts
clearly suggest the existence of two closed Fermi surfaces.
In addition, the overall shape of MR can be qualitatively
explained by the two carrier model.
The appearance of the second Fermi surface in highpositive gate voltages is explained by the carrier population onto the second subband. In thin-film BP FETs, the3D conduction band splits into 2D subbands due to finite
thickness and strong gate electric field. Since the present BP
sample is rather thick (15-20 nm), the subband separationis considered to be small, so that electrons easily populate
on the second subband. The present result demonstrates tocontrol the subband configuration by the gate voltage in BP
FETs.
Authors
T. Osada, K. Hirose, K. Uchida, T. Taen, K. Watanabea, T. Taniguchia,
and Y. AkahamabaNational Institute for Material SciencebUniversity of Hyogo

Fig. 1. (left) Exfoliation and transfer system for building atomic layer
heterostructures. (right) Microscope image of thin-film BP FET device.

4

ISSP Activity Report 2016

Spin Singlet Orders in Breathing
Pyrochlores
Tsunetsugu Group
Geometrically frustrated magnets are a good playgroundin the quest for new quantum phases of matter, and kagome
and pyrochlore magnets are their representatives. A few
years ago, Okamoto et al. [1] discovered an unidentified
phase transition in the spinel variety Li(Ga,In)Cr4O8, in
which the magnetic Cr ions form a breathing pyrochlore
lattice, and this has motivated a theoretical investigation of
its origin.
The breathing pyrochlore lattice is a staggered networkof corner-sharing tetrahedrons with two sizes, and increasing
In concentration enhances the size difference. The antiferromagnetic Heisenberg Hamiltonian is a minimal model
to study magnetic properties in this compound, and thisrequires two values of nearest-neighbor exchange couplingJ’ ≪ J corresponding to different tetrahedron units. Thismodel was theoretically studied for the case of spin
S = 1/2 [2] and it was predicted that the spin gap is finite
and the ground state exhibits a complicated spatial modulation without breaking spin rotation symmetry. Among thefour sublattices of small tetrahedra, three of them show
dimer-pair orders of different pairing combination, and theremaining sublattice shows either a dimer-pair order or atetramer order. Considering Cr3+ ions have a spin S = 3/2,
the important issue is if this larger spin changes an order inthe ground state.
To study this problem, I have developed a systematic
scheme of degenerate perturbation theory for the breathing
pyrochlore Heisenberg model with general spin S, andderived an effective Hamiltonian for describing dynamics inthe spin singlet subspace. The effective Hamiltonian is in theorder of (J’/J)3 and represented in terms of spin-pair operators τ, and we have studied its ground state by a mean fieldapproximation [3]. The operators are defined in the local
singlet space with dimension 2S + 1 at each small tetrahedron, and we have solved the challenge of calculating theirmatrix elements for general S. It turns out that an essential
difference from the S = 1/2 case is the presence of Z3 anisotropy in the internal τ space, and this stabilizes a different
order. The anisotropy grows for larger S and inherits the
cubic symmetry of the lattice structure. Two sublattices ofsmall tetrahedrons now show an identical tetramer order, andthe other two sublattices show another tetramer order with a

Fig. 1. Nearest-neighbor spin correlations in the breathing-pyrochlore
Heisenberg model with S = 3/2. Four squares depict small tetrahedron
units in the cubic unit cell projected onto the xy plane. In each unit,
antiferromagnetic correlations are shown by red bonds and their width
schematically shows |Si･Sj|, while blue bonds show ferromagnetic
correlations. Dashed lines show weak antiferromagnetic correlations
between neighboring units.

small distortion. We have analyzed the spin correlations inthis new ordered state in detail for S = 3/2 and 1, and calculated the equal-time spin structure factor S(q). The amplitudes of the components breaking the cubic lattice symmetryin S(q) are calculated and they can be used to determine thevalue of J’/J. It shall be interesting to verify this scenario bycarrying out a neutron scattering experiment and compare its
results with this prediction.
References[1] Y. Okamoto, G. Nilsen, T. Nakazono,and Z. Hiroi, J. Phys. Soc. Jpn.
84, 043707 (2015).
[2] H. Tsunetsugu, J. Phys. Soc. Jpn. 70, 640 (2001); Phys. Rev. B 65,
024415 (2001).
[3] H. Tsunetsugu, Prog. Theor. Exp. Phys. 2017, 033101 (2017).
Author
H. Tsunetsugu

Supercurrent in a
Ferromagnetic Semiconductor
Katsumoto GroupThe origin of superconductivity is the pairing of twoelectrons (Cooper pairing). In conventional superconductors
such a pairing occurs between electrons with opposite spins
and momentums at the Fermi surface. The total spin of aconventional Cooper pair is, thus zero (spin-singlet pairing).
There may exist, however, another type of pairing with total
spin one, that is, spin-triplet pairing. A solid example is thepairing of two helium-3 atoms in the state of superfluidity.
Many exotic properties are predicted for spin-triplet (oddparity) superconductivity though few of them have been
experimentally confirmed. Spin-triplet superconductivity
may appear in non-uniform superconductivities such as
proximity driven superconductivity in a half-metallic ferromagnetic material, in which only a single spin state exists
at the Fermi level. In this study, we have made a diluted
ferromagnetic semiconductor (In, Fe)As [1] superconducting
by placing Nb split electrodes with gaps around 1 μm. The
magnetic field dependence of the critical current suggeststhat the spin-triplet pairing is presumably realized in (In, Fe)As.
The (In, Fe)As film was grown in Tanaka laboratory in
Department of Electrical Engineering and Communication
Technology, University of Tokyo by molecular beam epitaxy.

Fig. 1. Two-terminal resistance of a Nb-(In, Fe)As-Nb junction as afunction of the temperature. The inset shows optical micrographs of thesample, which consists of 5 μm wide Nb strips and 0.6 μm width gap of(In, Fe)As.

ISSP Activity Report 2016

5

Fig. 2. Differential resistance of the sample shown in Fig.1 is plotted incolor as a function of the perpendicular magnetic field and the device
current. The inset is a blowup around the origin, which shows clear
diamond-like zero-resistance regions. The green arrow indicates the
direction of the field sweep.

As shown in the inset, Nb strips with the width 5 μm were
deposited leaving the gap of 0.6 μm as shown in the inset
of Fig. 1. Figure 1 displays the temperature dependence ofthe sample resistance, which have a two-step drop at thetransition temperature of Nb. Below 1.5 K, the resistancedecreases again with decreasing temperature and reaches
zero around 0.5 K. In Fig. 2, we plot the differential resistance in color as a function of the perpendicular magnetic
field and the device current. A Fraunhofer-like interference
pattern with a very short period in magnetic field appears
with a shifted broad peak. The period much shorter than thatfor single flux quantum in the junction area comes from flux
concentration by the Nb electrodes.
A peculiar point is that the peak position exists on thepositive side of zero magnetic field while the field is swept
from positive to negative. For the opposite sweep direction,
the peak position appears on the negative side. This means
the critical current is affected by hysteretic magnetizationof the ferromagnet. Then why the peak is formed for highmagnetic flux position? The key is magnetic disorder at theinterface between (In, Fe)As and Nb. The peak always exists
when the disorder is maximized, which fact suggests the
spin-triplet pairing is realized in ferromagnetic (In,Fe)As.

widely recognized that the SHE in nonmagnetic materials
shares the same mechanism with the anomalous Hall effect(AHE) in ferromagnets; either intrinsic or extrinsic mechanism. In case of the AHE, experiments with changing thelongitudinal conductivity of ferromagnetic metals have been
performed, showing that the intrinsic and extrinsic contributions scale differently with the longitudinal conductivity.
In contrast to the AHE, however, a systematic experimental
study on the SHE has been still lacking.
We have studied on the spin diffusion length λPt and thespin Hall angle θSH,Pt (conversion yield between spin andcharge currents) of platinum in a wide range of conductivities σPt by means of the spin absorption method using
lateral spin valve devices [5]. Pt was chosen because it is a
prototypical SHE metal so that our results can be comparedwith many reported values. Also there have been a discussion on the vales of λPt and θSH,Pt because the value differ
in each report where λPt ranges from 1~10 nm and θSH,Pt
from 1~10 % [6]. A linear relation between λPt and σPt was
firstly observed as shown in Fig. 1, evidencing that the spin
relaxation in Pt is governed by the Elliott-Yafet (EY) mechanism. Also, we decomposed intrinsic and extrinsic contri-

Fig. 1. Spin diffusion length λPt of Pt depending on the longitudinal
conductivity σPt. Each symbol shows a different sample which ismeasured in various temperatures. The black dashed line is the linear
fitting. This linearity is evidencing that the spin relaxation mechanism
in Pt is governed by Elliot-Yafet mechanism. The obtained variation of the spin diffusion length λPt covers the values in the previous
researches.

Reference[1] M. Tanaka, S. Ohya, and P. Nam Hai, Appl. Phys. Reviews 1,
011102 (2014).
Authors
T. Nakamura, L. D. Anha, S. Ohyaa, M. Tanakaa, and S. Katsumotoa
The University of Tokyo

Tuning the Spin Hall Effect of Pt from theModerately Dirty to the Superclean Regime
Otani Group
Spintronics research relies on the techniques of spincurrents generation and detection. Therefore the discoveryof the spin Hall effect was one of the most important
breakthrough in this area, which enabled us to interconvert
between charge and spin currents without using ferromagnets. Thanks to the discovery, spin Seebeck effect [1] andspin pumping [2] have been demonstrated successfully.
The SHE was theoretically predicted by Dyakonov andPerel in 1971 [3] and revisited by Hirsch in 1999 [4]. It is

6

ISSP Activity Report 2016

Fig. 2. Spin Hall angle θSH,Pt of Pt depending on the longitudinal
conductivity σPt. The inset shows the Spin Hall conductivity σSH,Pt of Pt
depending on the longitudinal conductivity σPt. Each symbol shows adifferent sample which is measured in various temperatures. The blacksolid line is a guide to the eye which express the inverse proportional
relation between θSH,Pt and σPt when you consider only intrinsic mechanism. The purple dashed line is the corrected line from the black solid
one with considering extrinsic contribution. On the left part (Moderately dirty region) the behavior of the θSH,Pt is well explained only by
intrinsic contribution. On the other hand on the right part (Superclean
region) θSH,Pt gradually differ from the black line and extrinsic contribution become more dominant.

butions for each sample by analyzing the data measured indifferent temperatures. We found a single intrinsic spin Hallint
= 1540 ± 100 Ω-1cm-1), that is the matericonductivity (σ SHal’s characteristic value, for Pt in all the studied range of σPt,
being in good agreement with the theoretical value [7]. Bycollecting all the data in our study, we have obtained for the
first time the crossover from the intrinsic regime (moderately dirty) to the extrinsic one (superclean) in the SHE bychanging the quality of Pt as shown in Fig. 2, equivalent tothat for the AHE. Our results explain the wide dispersion inpreviously reported values of λPt and θSH,Pt, and show a routeto maximize the spin Hall angle. The smaller is σPt (dirtierPt), the larger will be θSH,Pt.
References[1] K. Uchida, J. Xiao, H. Adachi, J. Ohe, S. Takahashi, J. Ieda, T. Ota,
Y. Kajiwara, H. Umezawa, H. Kawai, G. E. W. Bauer, S. Maekawa, and
E. Saitoh, Nat. Mater. 9, 894 (2010).
[2] E. Saitoh, M. Ueda, H. Mikajima, and G. Tatara, Appl. Phys. Lett.
88, 182509 (2006).
[3] M. I. Dyakonov and V. I. Perel, Phys. Lett. A 35, 459 (1971).
[4] J. E. Hirsch, Phys. Rev. Lett. 83, 1834 (1999).
[5] E. Sagasta, Y. Omori, M. Isasa, M. Gradhand, L. E. Hueso,
Y. Niimi, Y. Otani, and F. Casanova, Phys. Rev. B 94, 060412(R)(2016).
[6] J. Sinova, S. O. Valenzuela, J. Wunderlich, C. H. Back, and
T. Jungwirth, Rev. Mod. Phys. 87, 1213 (2015).
[7] T. Tanaka, H. Kontani, M. Naito, T. Naito, D. S. Hirashima,
K. Yamada, and J. Inoue, Phys. Rev. B 77, 165117 (2008).
Authors
Y. Omori, and Y. Otani

Epitaxial Fcc Iron Thin Film Stabilized
via Strain Relief from Steps
Komori GroupIn hetero-epitaxially grown thin films where designed
electronic and magnetic properties can be sustained, anappropriate choice of the substrate is crucial to keep thematching of the lattice symmetry and constant. However,transformation of the crystal structure from the epitaxial one

Fig. 1. STM images of the surface of an Fe film grown on a vicinal
Cu(001) surface. Dotted lines indicate substrate step edges. (a) Image
including three steps. (b) High-resolution image indicating growth ofan fcc Fe film with a square surface lattice on a narrow terrace. Large
protrusions on the terrace are adsorbed CO atoms. (c) High-resolution
image indicating growth of both the fcc Fe film and an Fe film withcomplicated surface structure on a wide terrace. On the surface oflower terrace, the right region has a square lattice, and the left complicated lattices. About 80 % of the latter surface is covered by CO atoms
forming local 2 × 2 structures. (d) Magnified image of the fcc Fe
surface. (e-g) Magnified images of the left region in (c) with adsorbed
CO atoms. Square (e), p2mg(2 × 1) (f) and, nano-martensitic (g) lattices
are recognized.

Fig. 2. (a) Atomically-resolved STM images in the fcc region withmasked (left) 7 and (right) 6 ML thick Fe films. (b) FFTs of the imagesin (a). (c) The values of the surface lattice constant, a6 and a7, extracted
from different STM images of the 6 and 7 ML fcc Fe films. The error
bars represent the standard deviations.

to the bulk stable one with increasing the film thickness often
disturbs the characterization and uses of intrinsic electronic
and magnetic properties of the epitaxially-stabilized phases.
We have found that high-density steps on a vicinal Cu(001)substrate can stabilize the epitaxial fcc Fe overlayer against
transformation towards the bulk stable bcc phase withincreasing the coverage [1]. Here, the steps serve as strain
relievers for stabilizing the epitaxial film. The fcc Fe phasehas experimentally and theoretically attracted a great interest
over two decades because of its complex magnetic structures.
The growth on a flat Cu(001) substrate are well defined inprevious studies [2], and the structural transformation fromfcc to bcc Fe is implied by the appearance of the surface
reconstruction [3].
Figure 1 shows STM images of the surface of a Fe filmon the Cu(001) surface. The average Fe thickness is 6.9 ML.
The narrow terrace consists of 6 and 7 ML thick films andthe surface atoms make a square lattice as in Figs. 1(a,b,d),
indicating growth of the fcc Fe film. Each wide terrace has
two regions; one is the same as the narrow terrace, and theother consists of 6, 7 and 8 ML thick films with complicatedsurface lattices with ~ 80 % coverage of adsorbed CO atoms
as in Figs. 1(a,c,e,f,g). The latter region, where small areasof fcc(001), p2mg(2 × 1), nano-martensitic and bcc(110)lattices are seen, is found always at the lower side terraceof the atomic step. The width of the fcc Fe region increases
with increasing the terrace width. This suggests the strainrelief due to the step edge stabilizes the fcc film even 7 ML
thick.
The strain relief due to the step edge was directly
confirmed using surface atomic images as in Fig. 2. On the
fcc region, the surface lattice constant of the 7 ML film is~ 2.4 % larger than that of the 6 ML film. The difference ofthe local electronic states observed by atomic-layer resolved
scanning tunneling spectroscopy was attributed to that of thelattice constant [1].
References
1. T. Miyamachi et. al., Phys. Rev. B 94, 045439 (2016).
2. H. L. Meyerheim et. al., Phys. Rev. Lett 103, 267202 (2009).
3. A. Biedermann et. al., Surf. Sci. 563, 110 (2004).
Authors
T. Miyamachi, S. Nakashima, S. Kim, N. Kawamuraa ,Y. Tatetsub,
Y. Gohdab,c, S. Tsuneyukib, and F. KomoriaScience & Technology Research Laboratories, NHK,b
The University of Tokyo
c
Tokyo Institute of Technology

ISSP Activity Report 20167

Step Conductivity Measured
with the Proximity-Induced
Superconducting Pair Correlation
Hasegawa and Kato Groups
The recent discovery of monolayer (ML) superconductivity revived the research on one-atom-thick metal
layers formed on semiconductor surfaces. Electronicallydecoupled from the substrate, the metallic overlayers holdan ultimately-thin two-dimensional (2D) electron system,
and combined with the broken inversion symmetry, they
exhibit various fascinating features, such as Rashba spinsplit surface states and valley spin polarized states. For these2D systems, atomic steps on the substrate, whose presence
is ubiquitous and unavoidable, play a significant role in
the transport. Usually, for the characterization of electricalconductivity, an electrical current is injected from one sideof the object and the transmitted one is detected in the otherside. It is, however, technically very difficult to measuretransport on such nano-scale structures. Here, we report on
microscopic measurements of the electrical conductivity
through a single ML-high step on a 2D metallic layer by
inducing the superconducting pair correlation through theproximity effect, and by detecting its signal in tunnelingspectra measured by scanning tunneling microscopy andspectroscopy (STM/STS).
The propagation of the pair correlation from a superconductor / normal metal (SN) interface into the normal metalhas been investigated by using STM/STS. Near the interface
in the normal metal, the single particle spectrum shows a
dip at the Fermi energy (EF), which is a good measure of thesuperconducting pair correlation. Through spatial mappingof the density of states (DOS) at EF with nanometer spatial
resolution, one can learn how the pair correlation is distributed in the normal metal. In general, the pair correlation
decays with distance from the SN interface. By placing a

Fig. 1. (upper panel) 3D-rendered STM image showing an interface
between an 8-ML Pb island and a SIC phase formed on a Si(111)substrate. A characteristic striped pattern can be seen in the SIC phase.
(inset) Color-coded 200 tunneling spectra taken along the line from thePb island to the SIC phase. (lower panel) ZBC profile around the SN
interface. The red line is a fitted exponential function with the decay
length of 40.5 nm.

8ISSP Activity Report 2016

Fig. 2. (upper left) STM image of a Pb island formed on a SIC-phasecovered Si(111) substrate. The edges of the Pb islands and the stepsof the SIC phase are highlighted with white and black dashed lines,
respectively. (upper right) ZBC color map of the same area. (lower)
ZBC profiles across the SN interface and the step edges measured along
the red lines drawn in the STM and ZBC images. The length written oneach plot is the terrace width measured along the corresponding line.
The whitish-colored lines are theoretical curves calculated with theUsadel equation.

surface step within the decaying area we can investigate how
the superconducting coherence is affected by the presence ofsteps and through the comparison with theoretical analysis
we can estimate the conductivity through that.
We investigated the conductivity of a striped incommensurate (SIC) phase, a ML Pb-induced structure formed on
Si(111) surface, which is a 2D normal metal at our measurement temperature (2.15 K). Figure 1 is an STM image
showing an 8 ML Pb island on an SIC phase. Tunnelingspectra taken along the line, shown in the inset, indicate asuperconducting gap in the Pb island and no gap in the SIC
phase far from the island. In the SIC phase near the island a
suppressed gap, induced by the proximity effect, can be seen.
The depth in the DOS at EF, which corresponds to zero-bias
conductance (ZBC), decays exponentially with distance fromthe interface (the decay length ~ 40 nm), as shown in thelower panel of Fig. 1. From the decay length, the conductivity through the SIC phase was estimated using the Einstein
relation as 1.87 mS/ □ . The estimated conductivity is larger
than the one measured by 4-probe method (0.77 mS/ □ ).
The larger conductivity is reasonable since the separationof the 4-probe method (20 μm) is much larger than the step
separation and therefore the measured area includes the steps
whereas ours do not.
To measure the step conductivity, we investigated thespatial distribution of the pair correlation around steps of thenormal-metal layer close to superconducting islands. The
left panel of Fig. 2 is an STM image showing 22 ML high Pb
island (yellow) formed on a stepped SIC phase (light blue).
The ML-high steps on the SIC phase are marked with blackdashed lines. The spatial mapping of ZBC taken in the same

area is presented in the right panel of Fig. 2. In the conductance map the Pb island is colored green, which indicateszero ZBC and fully gapped superconductivity there. The
2D metallic layer far from the Pb islands is colored yellow,
indicating no gap. The area surrounding the Pb islands iscolored blue to red, implying a reduced DOS at EF due to theproximity effect. Since a downward step edge is close to theisland and the terrace width of the SIC area is less than the
decay length, the decaying behavior of the proximity effectis strongly modified by the presence of the step edge. The
bottom panel of Fig. 2 displays several cross-sectional ZBC
profiles taken in the areas with various terrace widths.
In order to obtain the conductivity through the surface
step we calculated the ZBC profiles using the Usadel
equation and compared them with experimental results. For
the calculation we considered a model composed of three
regions: superconductor / normal metal / normal metal. In
the model, we introduced the conductivity ratio through a
step and metallic layer as a parameter. From the fitting theratio was estimated as 10.9 ± 3.9 μm-1. The ratio indicatesthat the contribution of the step resistance to the total surface
resistance is quite significant. In the case of the stepped area
shown in Fig. 2 (~90 nm step separation corresponding to thetilting of 0.20°), which was observed on a nominally (111)oriented substrate, the step resistance contributed almost
50% of the total resistance in the direction perpendicular tothe step edges.
Reference[1] H. Kim, S. -Z. Lin, M. J. Graf, Y. Miyata, Y. Nagai, T. Kato, and
Y. Hasegawa, Phys. Rev. Lett. 117, 116802 (2016).
Authors
H. Kim, S.-Z. Lina, M. J. Grafa, Y. Miyata, Y. Nagaib, T. Kato, and
Y. HasegawaaLos Alamos National Laboratoryb
Japan Atomic Energy Agency

Stability of Titania-TerminatedSurfaces in Water
Lippmaa Group
Photoelectrochemical water splitting can be used tocollect solar energy and generate hydrogen gas from water.
While this process offers an attractive pathway to a clean
energy supply, the low energy conversion efficiency presents
several challenging unsolved materials science problems.
One of the requirements for a suitable photoelectrodematerial is long-term stability in water during an electrochemical reaction. Titanium oxides such TiO2 and SrTiO3 are
two examples of water-stable oxide semiconductors that havebeen widely studied in this context. However, even for wellordered single crystal surfaces, it is difficult to determine towhat extent the electrochemical reaction affects the composition or structure of the photoelectrode surface.
The purpose of this work was to analyze the oxide
electrode surface stability and the oxide-water interface
structure by numerical simulations and the measurement of
surface hydrophilicity, atomic-scale surface morphology,
and thewater density. SrTiO3 (001) single crystals with—local—a (√ 1 3 × √ 1 3 )-R33.7° surface reconstruction were used
for the experimental work. This surface is terminated by apartial TiO2 double layer (Fig. 1a) that is chemically stablein water and the presence of the reconstruction pattern can——
Fig. 1. (a) Surface model of the SrTiO3 (√ 1 3 × √ 1 3 ) surface. Top
layer Ti is shown in orange, second layer Ti in blue, Sr in green and
O in red. (b) Raw and filtered FM-AFM images of the reconstructedsurface measured in water.

be observed either by—scanning—probe or electron diffraction.
The reconstructed (√ 1 3 × √ 1 3 ) surface can thus function
as a stability marker when a crystal is subjected to various
surface treatments. If the reconstruction remains detectable after a process step, we can be sure that the surface has
not been structurally altered or etched. For a typical (1 × 1)
SrTiO3 surface, it would be much harder to detect structural
alterations in the topmost unit cell of the crystal. A highresolution
atomic force microscope (AFM) image of the——(√ 1 3 × √ 1 3 ) surface measured in water is shown in Fig.
1b. The presence of the expected periodicity shows that thesurface structure is not damaged when exposed to—water. —The hydration layer structure on the (√ 1 3 × √ 1 3 )surface was simulated by density functional theory molecular
dynamics to evaluate the surface stability of various crystal
surface terminations. The simulation result shown in Fig. 2a
indicates that a layered water molecule configuration may
be expected to exist at the surface. The presence of a structured hydration layer was verified by frequency-modulation
AFM in an electrolyte solution (Fig. 2b). The AFM tip wasscanned laterally over the crystal surface a height scan wasrecorded at each lateral point, forming a depth map of water
density at the surface. Two dark bands can be seen in the
AFM frequency shift map in Fig. 2b, marked with M1 andM2. The density variation matches the simulation result,indicating that a stable hydration layer forms on the reconstructed SrTiO3 surface and no chemical etching, even on asingle atomic layer scale, could be observed. The presence ofthe reconstructed surface was verified after water exposure
by high-energy electron diffraction.
Titania surfaces are known to exhibit photoinducedhydrophilicity, where the water contact angle drops dramatically upon ultraviolet illumination of a crystal surface. The
(b)

(a)

Fig. 2. (a) MD simulation
the water structure in the hydration layer— of—above the SrTiO3 (√ 1 3 × √ 1 3 ) surface. Sr is yellow, Ti is pink, O isred, and H is gray. (b) FM-AFM frequency shift map as a function oflateral position and distance from the surface. The local water density
minima are marked M1 and M2.

ISSP Activity Report 20169

hydrophilicity of the reconstructed SrTiO3 surface wasmeasured immediately after surface preparation in a vacuum
chamber, showing that the surface is intrinsically superhydrophilic. A gradual contact angle increase occurs during
several minutes of air exposure, but the superhydrophilic
surface character can be regained by vacuum heating without
the loss of the reconstructed surface structure. This indicatesthat the photoinduced hydrophilicity of the surface is related
to surface contamination, rather than photoinduced structuraldegradation of the crystal. The work thus shows that SrTiO3
surfaces terminated with a double TiO2 layer are highly
stable in water, even under ultraviolet exposure and can thus
be used in photoelectrochemical water splitting cells that
require long term electrode stability.
Reference[1] S. Kawasaki, E. Holmström, R. Takahashi, P. Spijker, A. S. Foster,H. Onishi, and M. Lippmaa, J. Phys. Chem. C 121, 2268 (2017).
Authors
S. Kawasaki, E. Holmströma, R. Takahashi, P. Spijkera, A. S. Fostera,
H. Onishib, and M. LippmaaaAalto Universityb
Kobe University

Material Design of Luminescencefrom First-Principles
Sugino Group
Many-body Green’s function methods have attracted
considerable attention as emerging computational methods
to allow prediction of excited states of a material from firstprinciples. Breakthrough was achieved by the algorithms
developed for massively parallel supercomputers and by
the approximations made for balancing the computational
cost and accuracy. The software package developed by thisgroup, for example, is now able to handle up to 200 atoms ina cell, sufficiently large for many applications, and provide in
addition the wave function of the electron-hole pair (exciton)
containing rich information of the excited states. The utilization of the exciton wave function, however, has been done
infrequently, and in this context, this group proposed amethod to obtain from the wave function a number of quantities that can characterize the excitons. The obtained quanti-

Fig. 1. Λ- deh/dexc map proposed in Ref. [1] to classify excitons into
local, charge-transfer (CT), Rydberg, and others such as CT-like
excitons. This map has enabled to relate the exciton wave function withthe characteristics of excitons, and thus relate the characteristics withthe structure of a material, making it significantly easier to computationally design a luminescent material.

10

ISSP Activity Report 2016ties are found particularly useful in classifying the excitons
into the local, charge-transfer (CT), Rydberg excitons [1], sothat one may predict the luminescence dynamics induced byphotoabsorption. This novel method opens possibility of acomputational material design toward efficient luminescence.
The exciton wave function is a six-dimensional quantity,
which has been considered to carry too prodigious amounts
of information. With increasing ability of modern supercomputers, however, it has become easy to use the wave function
to obtain various quantities; for example, one can calculate
the exciton binding energy by taking expectation value of theelectron-hole interaction operator, the electron-hole separation deh from the distance between the electron and hole, andthe exciton size from the square root of the distance. Whenusing (a) a quantity characterizing the range of the exciton
Λ and (b) the electron-hole separation distance deh relative
to the exciton size dexc, one can plot each excited state in a
two-dimensional Λ- deh/dexc map (Fig. 1), wherein excitons
with different type are let distribute in a different region. Thismethod was proven useful in our subsequent study on thephotoabsorption spectra of the recently synthesized cycloparaphenylene molecules [2] and on the singlet-triplet splitting of the thermally activated delayed fluorescence (TADF)
molecules [3].
References[1] D. Hirose, Y. Noguchi, and O. Sugino, J. Chem. Phys. 146, 044303(2017).
[2] Y. Noguchi and O. Sugino, J. Chem. Phys. 146, 144304 (2017).
[3] Y. Noguchi and O. Sugino submitted to J. Phys. Chem.
Authors
D. Hirose, Y. Noguchi, and O. Sugino

Giant Anomalous Hall Effect in the
Chiral Antiferromagnet Mn3Ge
Nakatsuji Group
Generally, the anomalous Hall effect is known to appear
in ferromagnetic conductors and is proportional to its
magnetization. Recently, however, the non-collinear antiferromagnet (AFM) Mn3Sn is found to exhibit a large anomalous Hall effect despite its vanishingly small magnetization[1]. The observation indicates that a large fictitious field or
Berry curvature exists in the momentum space. The anomalous Hall effect shows a sign change upon reversal of asmall magnetic field less than 0.1 T. The soft response of theFig. 1. Magnetic field dependence of the Hall resistivity in Mn3Ge
measured in B//[0110].

material has a large fictitious field (equivalent to be > 200 T)
in the momentum space without producing almost any
perturbing stray fields in the real space. The fact that thelarge fictitious field may be readily controlled by the application of a low external field indicates that the antiferromagnet
will be useful, for example, to develop various switching andmemory devices.
References[1] S. Nakatsuji, N. Kiyohara, and T. Higo, Nature 527, 212 (2015).
[2] H. Yang, Y. Sun, Y. Zhang, W-J. Shi, S. S. P. Parkin, and B. Yan,
New J. Phys. 19, 015008 (2017).
[3] S. Tomiyoshi, Y. Yamaguchi, and T. Nagamiya, J. Magn. Magn.
Mater. 31–34, 629 (1983).
[4] N. Kiyohara, T. Tomita, and S. Nakatsuji, Phys. Rev. Applied 5,064009 (2016).

Fig. 2. Magnetization dependence of the field- and magnetizationindependent part of the anomalous Hall resistivity ρAFH = ρH − R0B −Rsμ0M at 5 and 300 K.

AHE to magnetic field should be useful for applications, forexample, to develop switching and memory devices basedon antiferromagnets. In addition, an antiferromagnetic Weyl
semimetal state is theoretically predicted by a band calculation [2]. The large AHE may well come from a significantly
enhanced Berry curvature associated with the formation of
Weyl points nearby the Fermi energy EF.
Here we report another example of the AHE in a related
antiferromagnet, namely, in the hexagonal chiral antiferromagnet Mn3Ge [3]. Our single-crystal study also reveals
that Mn3Ge exhibits a giant anomalous Hall resistivityρxz ∼ 4 μΩ cm, corresponding to a large Hall conductivity
σxz ∼ 60 Ω−1 cm−1, at room temperature (See Fig. 1 and 2)[4]. The advantage of the measurements for Mn3Ge allows us
to observe a giant AHE at low temperatures since Mn3Sn has
a low-temperature noncoplanar magnetic phase observed at
T < 50 K, where the in-plane AHE is strongly suppressed. As
shown in Fig. 3, the conductivity in Mn3Ge is enhanced withdecreasing temperature without any phase transition at low
temperature and shows the approximately 380 Ω−1 cm−1 at
5 K in zero field, reaching nearly half of the value expected
for the quantum Hall effect per atomic layer with Chern
number of unity (Fig. 3). The low temperature conductivity
σxz is estimated to be three times larger than the maximum of
the conductivity found in Mn3Sn.
The observed giant AHE in the chiral antiferromagnet
Mn3Ge with a very small magnetization indicates that theFig. 3. Temperature dependence of the anomalous Hall effect underzero field. All the data are obtained at zero field after the field-cooling(FC) procedures made in the magnetic field BFC. Directions of the field
BFC and electric current I used for the Hall resistivity measurements areshown in each figure.

Authors
N. Kiyohara, T. Tomita, and S. Nakatsuji

Geometrically Frustrated Magnetism in the
Heisenberg Pyrochlore Antiferromagnets
AYb2X4 (A = Cd and Mg, X = S and Se)
Nakatsuji Group
Quantum magnetism in geometrically frustrated magnets
has recently attracted great interest. In 3D systems, oneof the most prominent examples is the spin ice [1], which
is based on Ising spins with ferromagnetic (FM) couplingon the pyrochlore lattice. Recent studies have found thatquantum melting of spin ice may lead to the formation of aquantum spin liquid state with emergent topological excitations [2]. On the other hand, various types of quantum
magnetism have been discovered in the pyrochlore oxides
having the non-Ising type ground Kramers doublet. An
antiferromagnetic (AF) pyrochlore magnet with isotropic
bilinear exchange coupling between nearest neighborFig. 1. (a) Crystal structure of the chalcogenide spinels AYb2X4 (A = Cd
and Mg, X = S and Se). While the tetrahedrally coordinated nonmagnetic A sites form a diamond cubic sublattice, the magnetic Yb sites
form a pyrochlore lattice with corner-sharing tetrahedra. Temperaturedependence of (b) the inverse magnetic susceptibility 1/χ measured
under 0.1 T and (c) the total speciﬁc heat CP at 0 T of the chalcogenide
spinels AYb2X4.

ISSP Activity Report 201611

[2] S. Nakatsuji, Phys. Rev. Lett 96, 087204 (2006); J. -J. Wen et al.,Phys. Rev. Lett. 118, 107206 (2017).
[3] R. Moessner and J. T. Chalker., Phys. Rev. Lett. 80, 2929 (1998).
[4] N. P. Raju et al., Phys. Rev. B 59, 14489 (1999); B. Javanparast
et al., Phys. Rev. Lett. 114, 130601 (2015).
[5] L. Pawlak et al., J. Magn. Magn. Mater. 76-77, 199 (1988);
G. C. Lau et al., Phys. Rev. B 72, 054411 (2005).
[6] T. Higo, K. Iritani, M. Halim, W. Higemoto, T. U. Ito, K. Kuga,
K. Kimura, and S. Nakatsuji, Phys. Rev. B 95, 174443 (2017).
Authors
T. Higo, K. Iritani, M. Halim, W. Higemotoa, T. U. Itoa, K. Kugab,
K. Kimurac, and S. NakatsujiaJapan Atomic Energy Agency
b
RIKEN
c
Osaka University
Fig. 2. (a) Full logarithmic plot of the magnetic speciﬁc heat CM vs.
(T/TN)3 of the chalcogenide spinels AYb2X4 (A = Cd and Mg, X = S and
Se). The dashed and two dot-dashed lines indicate the slopes for the T3
and T2 laws, respectively. (c) T/TN dependence of the magnetic entropy∆SM of the chalcogenide spinels AYb2X4.

Heisenberg spins has been predicted to host an equally
exotic magnetic ground state [3]. As one of the archetypes,
Gd2Ti2O7 has attracted much attention and extensive studies
have revealed frustrated magnetism with unconventional AF
ordering [4].
However, other than Gd, most of the rare earth ions in
the pyrochlore oxides are known to have a strong trigonal
crystal electric ﬁeld (CEF) that stabilizes either Ising or XY
planar local symmetry. To develop a deep understanding offrustrated magnetism in Heisenberg pyrochlore antiferromagnets, we have focused on spinel type AF materials AR2X4,
where the rare earth R forms the pyrochlore lattice withdifferent coordination from the oxides and possesses a nearly
cubic site symmetry that can lead to Heisenberg spins.
Experimental studies on polycrystalline samples of the
Yb-based chalcogenide spinels AYb2X4 (A = Cd and Mg,
X = S and Se) [5] have revealed frustrated quantum magnetism due to antiferromagnetically coupled Heisenberg spinson the pyrochlore lattice [6]. As shown in Fig. 1(a), theAYb2X4 families have the spinel structure with the spacegroup Fd 3̅m. The Yb3+ forms the pyrochlore lattice with thesix-fold chalcogen X2− coordination and the point symmetryis D3d. The CEF analysis indicates the Yb ground state has
nearly Heisenberg spins with a strong quantum characterof the ground-state doublet due to the mixing of important components including ±Jz = 1/2. Our low-temperaturesusceptibility (Fig. 1(b)) and specific heat (Fig. 1(c))
measurements have revealed that all the materials exhibit
AF order at TN = 1.4 – 1.8 K, much lower temperatures thanthe AF exchange coupling scale of ~ 10 K. The magnetic
speciﬁc heat CM shows a T3 dependence, indicating thegapless feature expected for a linearly dispersive NambuGoldstone mode in 3D systems [Fig. 2(a)]. Figure 2(b)indicates the temperature dependence of the entropy ∆SM =SM(T) − SM(0.4 K). The ∆SM at TN is strongly suppressedto ~30% of Rln2 due to the geometrical frustration. Muon
spin rotation/relaxation (µSR) measurements have confirmed
the commensurate and incommensurate ordered states in
CdYb2S4 and MgYb2S4, respectively, and a small local ﬁeld
at the muon site, which indicate the signiﬁcantly reduced sizeof the ordered moment in comparison with the bare moment
size 1.33 μB/Yb, suggesting strong quantum ﬂuctuations in
the Yb-based chalcogenide spinels AYb2X4.
References[1] M. J. Harris et al., Phys. Rev. B 79, 2554 (1997); A. P. Ramirez
et al., Nature 399, 333 (1999); M. J. P. Gingras and P. A. McClarty,
Rep. Prog. Phys. 77, 056501 (2014).

12

ISSP Activity Report 2016

Disordered Route to the Coulomb
Quantum Spin Liquid: RandomTransverse Fields on Spin Ice in Pr2Zr2O7
Nakatsuji GroupAs water freezes into ice, ordinal magnets become“solid” (magnetic ordered state), where all the spins arealigned along certain directions, by decreasing temperature.
On the other hand, spins are fluctuating like in a liquid stateeven at very low temperatures in the theoretically predicted
exotic state, quantum spin liquid. Pr2Zr2O7 is a rare example
of such quantum spin liquids, so-called quantum spin ice,where the 2-in 2-out ice rule is partially melted.
The research groups of Prof. Collin Broholm at Johns
Hopkins University and Prof. Satoru Nakatsuji at ISSP havebeen collaborating on the study of the quantum spin ice
material Pr2Zr2O7. The research team has recently performed
the inelastic neutron scattering experiments in Pr 2Zr2O7
to reveal the origin of the strong quantum fluctuations [1].
The momentum transfer, q, dependent inelastic pattern at
low energy region as shown in Fig.1 (a) indicates the spin
ice correlations, which is consistent with the previous work[2]. On the other hand, q independent pattern appears at
high energy region as shown in Fig.1 (c). The latter was
found attributable to the splitting of the non-Kramers grounddoublet of Pr3+ due to the crystal disorder. In fact, all of theFig. 1. Inelastic neutron scattering q- map obtained from the experiment at 50 mK for (a) low energy (0.2 meV) region and (c) highenergy region (0.55 meV) and the calculation for (b) 0.2 meV and (d)0.55 meV.

results are well reproduced by the calculation assuming theclassical spin ice in the transverse field coming from thestructural disorder, which in fact stabilizes the quantum spin
ice state.
It has long been known that the crystal disorder disturbs
the spin liquid state by forming a spin glass state. This study
causes the stir in this wisdom and provides key information
to discover new quantum spin liquid materials, which canlead to the future applications such as quantum computer andspintronic devices using the entangled state of quantum spin
ice.
References[1] J. -J. Wen, S. M. Koohpayeh, K. A. Ross, B. A. Trump,
T. M. McQueen, K. Kimura, S. Nakatsuji, Y. Qiu, D. M. Pajerowski,
J. R. D. Copley, and C. L. Broholm, Phys. Rev. Lett. 118, 107206(2017).
[2] K. Kimura, S. Nakatsuji, J. -J. Wen, C. Broholm, M. B. Stone,
E. Nishibori, and H. Sawa, Nature Communications 4, 1934 (2013).
Authors
J. -J. Wena,b, S. M. Koohpayeha, K. A. Rossa,c, B. A. Trumpa,
T. M. McQueena, K. Kimurad, S. Nakatsuji, Y. Qiuc, D. M. Pajerowskic,
J. R. D. Copleyc, and C. L. Broholma,caThe Johns Hopkins University
bStanford University
cNIST Center for Neutron Research, National Institute of Standards
and Technology
dOsaka University

Pressure-Induced Magnetic
Transition Exceeding 30 K in the
Yb-based Heavy-Fermion β-YbAlB4
Nakatsuji and Uwatoko Groups
Intermetallic heavy-fermion (HF) compounds, based
mostly on Ce, Yb, or U, undergo a quantum phase transition at zero temperature induced by the competition between
Kondo effects and intersite magnetic RKKY (RudermanKittel-Kasuya-Yosida) interaction. In these materials, various
types of exotic phenomena such as non-Fermi-liquid behaviors and unconventional superconductivity (SC) have been
observed near a quantum critical point (QCP). The delicate
balance associated with the QCP can be tuned by varying
control parameters such as magnetic field, chemical doping,and external pressure. In particular, for the Yb-based HF
systems, long-range magnetic order is expected to be stabi-Fig. 1. Pressure-temperature phase diagram for β-YbAlB4 with acontour plot of the power-law exponent α, which is defined using ρ = ρ0
+ ATα.

Fig. 2. Pressure-temperature phase diagram for β-YbAlB4 using two
different pressure-transmitting media, Daphne 7373 (red symbols) and
Fluorinert (blue symbols), respectively. The phase-transition temperature TM is determined from the anomalies in the temperature derivativeof the resistivities, dρab/dT. Solid and open circles mark the transitions
determined by the electrical resistance obtained from the cubic-anvil
and piston cylinder- type pressure measurements, respectively. The
blue solid line is a guide for the eye. The red dashed line is a fit of ourdata to the function of (P − Pc0)2/3 expected for a 3D antiferromagnetic
ordering.

lized at high pressure. This is because the 4f moments are
generally known to become more localized by reducing
volume, in sharp contrast to their Ce-based counterparts. For
β-YbAlB4, in which recently observed HF superconductivity
at 80 mK and the QCP at zero field at ambient pressure[1-3], of interest is how unconventional quantum criticality
observed without tuning, associated with magnetic order thatis expected to emerge under high pressure.
Here we report the results of our recent transport study
on the HF superconductor YbAlB4 under pressure [4].
Measurements of the electric resistivity ρ(T) under pressure
up to 8 GPa were performed on high-quality single crystalsof the Yb-based heavy-fermion system β-YbAlB4 in thetemperature range 2 < T < 300 K. In the resistivity data, weobserved pressure-induced magnetic ordering above thecritical pressure Pc ∼ 2 GPa. (See Fig. 1) Moreover, the clear
difference in the phase diagram of Fig. 2 under pressureusing two types of pressure media indicates that the transition temperature may be further enhanced under applicationof uniaxial pressure. With pressure, this phase-transition
temperature TM is enhanced, reaching 32 K at 8 GPa, whichis the highest transition temperature so far recorded for
the Yb-based heavy-fermion compounds. The power-law
exponent α in ρ = ρ0 + ATα below TM gradually changes from
3/2 to 5/2 with increasing pressure from 2 to 8 GPa (SeeFig. 1). In contrast, the resistivity exhibits a T - linear
behavior in the temperature range 2 < T < 20 K and is insensitive to pressure below Pc. In this pressure regime, themagnetization is also nearly independent of pressure andshows no anomaly above 2 K. Our results indicate that a
QCP for β-YbAlB4 is also located near Pc in addition to thestrange metal region near the ambient pressure. While almostpressure independent resistivity and magnetization are
observed in the pressure range 0 < P < 2 GPa, the magnetic
phase transition of β-YbAlB 4 was suddenly found at
P > 2 GPa.
Significantly, the phase transition TM of β-YbAlB4
reaches 32 K under 8 GPa and is expected to be further
enhanced at higher pressure. Such high magnetic transi-

ISSP Activity Report 201613

tion temperatures over 10 K have never been achieved in
Yb-based HF materials. Generally, because the f-electron
moment is sufficiently localized, the magnetic ordering
temperatures in HF compounds is often observed below
around 10 K. In particular, that of Yb-based HF should belower than that of Ce-based HF because the Yb f-electron isusufally more localized than that for Ce.
In previous work for β-YbAlB4, it is reported that thestate showing unconventional critical behavior (the SC phaseand ambient-pressure quantum criticality) is separated fromthis magnetically ordered state by the Fermi-liquid phase[5]. Of high interest is the fact that the non-Fermi-liquidstate at ambient pressure robustly persists up to a criticalpressure of around 0.4 GPa. Generally, the HF compounds
display quantum criticality at the border of magnetism. Thus,
these are not features that are expected for magneticallymediated superconductivity. The Yb-based heavy-fermion
with non-integer valence may exhibit critical phenomena
with not only spin fluctuations but also valence fluctuationsat quantum criticality. This valence fluctuation is presumably
the key to understanding the origin of the extensive region of
the quantum criticality found near ambient pressure and theextremely high ordering temperature of around 30 K foundunder high pressure.
References[1] Y. Matsumoto, S. Nakatsuji, K. Kuga, Y. Karaki, N. Horie,
Y. Shimura, T. Sakakibara, A. H. Nevidomskyy, and P. Coleman,
Science 331, 316 (2011).
[2] K. Kuga, Y. Karaki, Y. Matsumoto, Y. Machida, and S. Nakatsuji,
Phys. Rev. Lett. 101, 137004 (2008).
[3] S. Nakatsuji, K. Kuga, Y. Machida, T. Tayama, T. Sakakibara,
Y. Karaki, H. Ishimoto, S. Yonezawa, Y. Maeno, E. Pearson et al., Nat.
Phys. 4, 603 (2008).
[4] T. Tomita, K. Kuga, Y. Uwatoko, and S. Nakatsuji, Phys. Rev. B 94,
245130 (2016).
[5] T. Tomita, K. Kuga, Y. Uwatoko, and S. Nakatsuji, Science 394, 506(2015).

Fig. 1 (a) Metal insulator transition observed in the temperature dependence of the resistivity for Eu2Ir2O7 (main panel) and all-in all-out
magnetic order (inset). (b) Octupole moment obtained from the orthogonal magnetization.

from the special spatial distribution of the magnetic charge(magnetic octupole, Fig. 1 (b)), and that this is the origin(order parameter) of the metal-insulator transition.
This tiny orthogonal magnetization is instrumental ininitiating the transition of metal into insulator, and carries
the potential for use in such applications as magnetic
memory and magnetic sensors. This work also gives a hint
how to control the transport properties in Pyrochlore iridate,where the mysterious spontaneous anomalous Hall effect innonmagnetic metallic phase with topological band structure
is observed [2].
References[1] T. Liang, T. H. Hsieh, J. J. Ishikawa, S. Nakatsuji, L. Fu, and
N. P. Ong, Nature Physic 13, 599 (2017)[2] Y. Machida, S. Nakatsuji, S. Onoda, T. Tayama, and T, Sakakibara,
Nature 463, 210 (2010).
Authors
T. Lianga, T. H. Hsiehb, J. J. Ishikawa, S. Nakatsuji, L. Fub, and
N. P. Onga
aPrinceton University
bMassachusetts Institute of Technology

Authors
T. Tomita, K. Kuga, Y. Uwatoko, and S. Nakatsuji

Helical Magnetism in the Vicinity of
Orthogonal Magnetization and Symmetry
Breaking in Pyrochlore Iridate Eu2Ir2O7
Nakatsuji GroupIt has long been known that magnets are magnetizedalong the external magnetic field. However, magnetization perpendicular to the field is also expected according tothermodynamic theory. This orthogonal magnetization is sotiny that no study so far had been able to detect it experimentally.
Tian Liang and their collaborators in Princeton University
and the Massachusetts Institute of Technology in the U.S.
and the research group led by Professor Satoru Nakatsuji
noticed slight changes in magnetization in the pyrochlore
iridate Eu2Ir2O7 following metal-insulator transition accompanied by the all-in all-out magnetic order (Fig 1 (a)).
Usually, only the magnetic component parallel to the field is
detected when measuring magnetization; the researchers thus
attempted to detect magnetization perpendicular to the fieldby measuring the torque magnetometry, or force producing
the tendency of magnets to rotate in a magnetic field, by
cantilever and found that orthogonal magnetization abruptly
increases below the metal-insulator transition temperature.
The group determined that orthogonal magnetization derives

14

ISSP Activity Report 2016

the Superconducting State in MnPUwatoko, Kato, and Sugino Groups

MnP exhibits superconductivity under pressure with amaximum transition temperature of ~1 K at 8 GPa [1]. Since
Mn has the spin degree of freedom, elucidating the magnetic
contribution to the superconductivity is crucial to understandthe pairing mechanism. In particular, the magnetic statein the vicinity of the superconducting phase needed to beclarified. In order to study the pressure dependence of themagnetic ground state in MnP, high pressure neutron diffraction measurements were performed up to 3.8 GPa [2]. The
high pressures below and above 2 GPa were generated with aself-clamped piston-cylinder cell and a palm cubic anvil cell,respectively.
MnP shows a ferromagnetic order below Tc ~ 290 K
followed by a helical order (helical-c, Fig. 1a) with the spins
lying in the ab plane and the helical rotation propagating
along the c axis below Ts ~ 50 K at ambient pressure [3,4].
With increasing pressure, we found that both Tc and Ts aregradually suppressed and the helical order disappears at~1.2 GPa. At intermediate pressures of 1.8 and 2.0 GPa, theferromagnetic order first develops and then is suppressed ata lower temperature (T*). New incommensurate magnetic
peaks split along the b axis appear below T*. The newantiferromagnetic structures) are considered as potential
ground states. The ferromagnetic structure was found to be
most stable in MnP until the magnetic moment disappears
with compression. This result does not exclude the possibility of a noncollinear magnetic state between ferromagnetic
and itinerant nonmagnetic states. Further theoretical studies
on the magnetic state in the vicinity of the itinerant nonmagnetic state are desirable.
References[1] J.-G. Cheng, K. Matsubayashi, W. Wu, J. P. Sun, F. K. Lin, J. L.
Luo, and Y. Uwatoko, Phys. Rev. Lett. 114, 117001 (2015).
[2] M. Matsuda, F. Ye, S. E. Dissanayake, J.-G. Cheng, S. Chi,
J. Ma, H. D. Zhou, J.-Q. Yan, S. Kasamatsu, O. Sugino, T. Kato,
K. Matsubayashi, T. Okada, and Y. Uwatoko, Phys. Rev. B 93,
100405(R) (2016).
[3] G. P. Feicher, J. App. Phys. 37, 1056 (1966).
[4] J. B. Forsyth, S. J. Pickart, and P. J. Brown, Proc. Phys. Soc. 88,
222 (1966).
[5] Z. Gercsi and K. G. Sandeman, Phys. Rev. B 81, 224426 (2010).
Authors
M. Matsudaa, F. Yea, S. E. Dissanayakea, J.-G. Chengb, S. Chia,
J. Mac, H. D. Zhouc, J.-Q. Yana,c, S. Kasamatsu, O. Sugino, T. Kato,
K. Matsubayashi, T. Okada, and Y. Uwatokoa
Oak Ridge National laboratoryb
Beijing National Laboratory for Condensed Matter Physics and Institute of Physics, Chinese Academy of Sciencesc
University of Tennessee, KnoxvilleFig. 1. Helical spin structures under low (helical-c) (a) and highpressures (helical-b) (b). (c) Temperature-pressure phase diagram.
The open and filled symbols represent the data in Ref. 1 and thepresent results, respectively. The filled square is the temperature
where the incommensurate magnetic peaks start to develop. The
filled triangles are the temperatures where the commensurate
magnetic signal starts to decrease.

magnetic peaks originate from another helical structure,
which hosts the spins in the ac plane and the propagation
along the b axis (helical-b, Fig. 1b). Since the ferromagnetic component still remains, the magnetic ground state isa conical or two-phase (ferromagnetic and helical-b) structure. Above 2 GPa, a magnetic transition from paramagnetic directly to the helical-b states appears below Tm. The
magnetic phase diagram is shown in Fig. 1c. The magnetic
state close to the superconducting phase was found to be thehelical-b structure.
In the helical-b phase, the helical transition temperatureand the ordered moment decrease with increasing pressure.
On the other hand, the magnetic incommensurability
becomes larger with increasing pressure, indicating that
antiferromagnetic interactions become more dominant thanferromagnetic ones, which are influential at low pressures.
This suggests that antiferromagnetic fluctuations might beconnected to the superconducting pairing mechanism in
MnP.
At ambient pressure, MnP is considered to be a localized d electron spin system of Mn, interacting with itinerants electrons of P, which is reproduced by the s-d model.
Applying pressure causes more enhanced orbital overlap
between Mn atoms, which gives rise to more itinerancy. The
density-functional theory (DFT) calculation shows that thepressure gradually reduces the Mn moments and finally leads
to a nonmagnetic state [5]. The Mn moment estimated at 3.8
GPa and 5 K is 0.84(14)μB, which suggests that the latticecompression is very close to the critical regime where thelarge d-d overlapping makes the system more itinerant andthe spontaneous magnetization does not occur [5]. In Ref. 5,
only collinear spin structures (one ferromagnetic and three

Mechanism of High-Temperature
Superconductivity in FeSe Unveiled via
the Magneto-Transport Measurements
under High Pressures
Uwatoko and Yamashita Groups
Recently, the layered β-FeSe has aroused tremendous
research interest due to the observations of many intriguing
physical properties. At ambient pressure, FeSe develops anelectronic nematicity below Ts = 90 K, which, however, is
not accompanied by any long-range magnetic order. The
absence of static magnetism in FeSe is in strikingly contrast
with the majority of parent compounds of FeAs-based
superconductors. Interestingly, it was found that a static
magnetic order emerges at pressures above 1 GPa and thetransition temperature Tm increase concomitantly with theFig. 1. Temperature dependence of resistivity ρ(T) in FeSe single
crystals under high pressure. (a) ρ(T) curves below 100 K at differentpressures up to 1.9 GPa measured in the PCC. (b) ρ(T) up to 8.8 GPa
measured with the CAC. (c) ρ(T) up to 15 GPa measured with a smaller
CAC. Except for (c) the ρ(T) curves are vertically shifted for clarity.
The resistive anomalies at transition temperatures Ts, Tm, and Tc are
indicated by the arrows.

ISSP Activity Report 201615

superconducting transition temperature Tc up to 2.5 GPa.
The relatively low Tc ≈ 9 K of FeSe at ambient pressure
can be enhanced significantly to Tcmax ~ 40 K at about
7 GPa, however, the evolution of Tm(P) and its relationshipwith Tc remains largely unknown for P > 2.5 GPa due to theconstrains of high-pressure techniques.
Thus, a comprehensive T-P phase diagram of FeSe ishighly desirable in order to achieve a better understandingon the interplay of high-Tc superconductivity with magnetism and/or nematicity, which is commonly believed as an
essential issue for the iron-based superconductors. For thispurpose, we have carried out a detailed magneto-transport
study on the FeSe single crystals up to 15 GPa by using thepiston-cylinder cell (PCC) and the cubic-anvil-cell (CAC)
apparatus; the latter has the merits of good hydrostaticity andlarge pressure capability.
Figure 1(a) displays the temperature dependence ofresistivity ρ(T) for FeSe single crystal under pressures up to
1.9 GPa measured with PCC. We can see clearly that thenematic order at Ts manifested as an upturn in ρ(T) is
suppressed gradually by pressure and smears out above
1.5 GPa. Nearly at the same pressure, another upturn
anomaly appears at T m = 20 K corresponding to theemergence of static magnetic order, and Tm increases gradually with pressure. In this pressure range, Tc defined as
the zero-resistivity temperature first increases, and thendecreases slightly before raising again. ρ(T) data shown in
Fig. 1(b) measured with CAC can further track the evolutions of Tc and Tm. As can be seen, Tm increases graduallywith pressure, but the upturn anomaly becomes weaker, andchanges to a downward anomaly at 2.8 GPa. Tm reaches
the maximum of 45 K at ~5 GPa, above which Tm disappears quickly and merges with Tc. Within the pressure range
where Tm increases, Tc keeps nearly unchanged at ~20K, andthen the suppression of Tm is accompanied with a sudden
enhancement of Tc. The maximum Tc of 38.3 K is achieved
at 6.3 GPa where the magnetic order just collapses. Above
6.3 GPa, Tc decreases slowly with pressure until ~ 12 GPa,above which FeSe adopts a three-dimensional NiAs-type
structure and becomes semiconducting.
We have further performed measurements of ρ(T) undervarious magnetic fields for each pressure. The insensitivity of
Tm to external magnetic field rules out the possible cause ofresistivity drop at Tm due to the onset of superconductivity.
In addition, we also measured the ac magnetic susceptibility
χ(T) up to 8.8 GPa to determine Tc and obtained nearlyconsistent results with resistivity.
Based on these above results, we constructed the mostcomprehensive T-P phase diagram of FeSe as shown in Fig.
2, from which we can see explicitly how the three competingorders evolve under pressure. The application of highpressure destabilizes the nematic order and then induces
the long-range magnetic order, confirming the competing
nature of these two electronic orders. When Ts is completely
suppressed around 2 GPa, Tc experiences the first stepincrease to ~20 K. But Tc keeps nearly constant when Tm
increases with pressure, which demonstrates the competing
nature of magnetic order with superconductivity. The
magnetic order is finally destabilized upon further increasingpressure to around 6 GPa when Tc undergoes a sudden jump
to ~40 K.
For the first time, we uncover the dome shape ofmagnetic phase superseding the nematic order, and demonstrate that the high-Tc superconductivity in FeSe is achievedby suppressing the long-range magnetic order. This is quite
similar with the situations seen in the FeAs-based superconductors. To achieve a better understanding on the importanceof magnetic fluctuations, further studies on the electronic
structure of FeSe under high pressures are needed. It is alsointeresting to note that the obtained phase diagram highlights
unique features of FeSe among the iron-based superconductors, but bears some resemblance to that of high-Tc cuprates.
Reference
Sun J. P. et al., Nat. Commun. 7, 12146 (2016).
Authors
J.P. Suna, K. Matsuurab, G. Z. Yea,c, Y. Mizukamib, M. Shimozawa,
K. Matsubayashi d, M. Yamashita, T. Watashigee, S. Kasahara e,
Y. Matsudae, J.-Q. Yanf,g, B.C. Salesf, Y. Uwatoko, J.-G. Chenga, andT. ShibauchibaNational Laboratory for Condensed Matter Physics and Institute ofPhysics, Chinese Academy of Sciencesb
University of Tokyoc
School of Physical Science and Technology, Yunnan Universityd
The University of Electro-CommunicationseKyoto UniversityfMaterials Science and Technology Division, Oak Ridge National
Laboratoryg
University of Tennessee

Absence of Superconductivity in the
Collapsed Tetragonal Phase of KFe2As2
under Hydrostatic Pressures
Uwatoko Group

Fig. 2. T-P phase diagram of bulk FeSe. The structural (Ts, blue),magnetic (Tm, green), and superconducting transition temperatures(Tc, red and black) as a function of hydrostatic pressure in high-quality
single crystals are determined by anomalies in resistivity ρ(T) and ac
magnetic susceptibility χ(T) measured in the PCC and CAC.

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ISSP Activity Report 2016

High pressure phase diagram of the tetragonal KFe2As2
remains controversial because of the strong sensitivity ofsuperconducting transition temperature (Tc) depending on
the type of the pressure cells and the pressure transmitting
medium. Specially, the superconductivity of the collapsed
tetragonal KFe2As2 is an open question since there are no
zero resistivity state in the previous studies [1-3], presumably
due to the pressure inhomogeneity or the non-hydrostaticity.
To resolve these issues pertaining to this intriguing
compound, we studied the temperature dependence ofresistivity on KFe2As2 single crystals down to 20 mK undervarious much improved hydrostatic pressures up to 17.5 GPagenerated in a cubic anvil cell.
Figure 1 shows the superconducting phase diagram
and the superconducting transition widths of KFe 2As2
under pressure with the previous data for comparison.

Fig. 1. (a) Temperature-Pressure phase diagram of KFe2As2 a. The
solid and open symbols represent the zero resistivity state temperature
Tczero and the onset temperature Tconset of superconducting transition,
respectively. (b). ΔTc (= Tconset - Tczero) as a function of pressure.
“DAC”, “MBC”, “PCC”, “CAC” represent diamond anvil cell,
modified Bridgeman method, piston cylinder cell, and cubic anvil cell,respectively.

Pressure dependence of Tc has several distinct features:firstly, superconducting transition width ΔT c becomesmuch narrower in the same pressure region. As the pressure
increases, ΔTc decreases and is ~ 0.2 K for 1.9 < P < 5.8
GPa; and zero resistivity state retains up to 11 GPa where thesuperconducting state disappears. While in other reports, thesuperconducting transition becomes broad evidently as thepressure increases and ΔT increases to ~ 0.5-2 K dependingon the pressure apparatus; zero resistivity state cannot be
achieved above 7 GPa. Secondly, Tc obtained is lower thanothers in the same pressure regions in Fig. 1(a). As proposed,
Tc of tetragonal KFe2As2 depends sensitively on pressure
conditions and was enhanced if under a less hydrostatic
condition [3]. These characteristic suggests a much improvedhydrostatic pressure condition in a cubic anvil cell incomparison with the piston cylinder cell (PCC) or diamondanvil cell (DAC) under higher pressure. We examined theresistivity of KFe2As2 in the pressure region of 14 < P < 17.5
GPa, however, superconductivity does not appear down to
2 K, which are contrary to the previous results using DAC[1,2]. In striking contrast to previous reports in Fig. 1, nosuperconducting phase emerges upon further increasingpressures until the collapsed tetragonal KFe2As2 forms andit was argued that such a discrepancy can be attributed to thedifferent pressure apparatus or homogeneity.
We studied the temperature dependence of resistivity
ρ(T) under pressures by adopting an empirical formulaρ = ρ0 + A1T + A2T2 to construct a qualitative relation
between the evolution of temperature coefficient and the
Tc. Here, the T 2 term is to describe the Fermi liquid state
and the T-linear term is associated with the electronic
correlations and scattering process such as the electronboson interaction and/or critical fluctuations near QCP. The
parameters were presented Fig. 2. The residual resistivity ρ0decreases monotonically, and starts to increases at 14 GPa,then jumps to nearly three times with the pressure increasing

Fig. 2. The evolutions of parameters under pressure: (a) Tconset
and Tczero; (b) ρ0; (c) A1; (d) A2. The dashed line indicated phasetransformation at lower temperature.

up to 17.5 GPa, which is sharply different from the reports
by using DAC [1]. As the pressure increases, A1 decreases
linearly and becomes almost zero around 11 GPa, coinciding
with the suppression of Tc. This close connection between
Tc and A1 suggests that the scattering mechanism leading to
the T-linear term play an important role for the appearanceof SC in KFe2As2. On the other hand, A2 decreases rapidly
with approaching Pc1, and then gradually decreases withfurther increasing pressure. Furthermore, this observation isin agreement with a magnetic quantum critical point locatedat a negative pressure [4]. Incidentally, the shallow minimumof Tc near ~ 2 GPa is not explicable in terms of the pressure
dependence of A1 and A2. Other factors such as pressure
variation of the density of state at the Fermi level, balance
between intra- and inter-Fermi-surface-pockets scattering
affect Tc. The combined interplays of those factors would
be important to fully understand the evolution of Tc underpressure.
References[1] Y. Nakajima, et al., Phys. Rev. B. 91, 060508 (R) (2015).
[2] J. J. Ying et al., arXiv: 1501.00330 (2015).
[3] V. Taufour, et al., Phys. Rev. B 89, 220509(R) (2014).
[4] P. S. Wang, et al., Phys. Rev. B. 93, 085129 (2016).
Authors
B. Wang, K. Matsubayashi, J. Chenga, T. Terashimab, K. Kihouc, S.
Ishidac, C.-H. Leec, A. Iyoc, H. Eisaki, and Y. UwatokoaBeijing National Laboratory for Condensed Matter Physics and Institute of Physics, CASb
National Institutes for Materials SciencecNational Institute of Advanced Industrial Science and Technology(AIST)

ISSP Activity Report 201617

Morphology of High-Genus Fluid Vesicles
Noguchi GroupThe nucleus of a eukaryotic cell is surrounded by anuclear envelope. The nuclear envelope consists of two
bilayer membranes connected by many lipidic pores, which
are supported by a protein complex called nuclear porecomplex (NPC). Nuclear pores have an approximately
uniform distribution in the nuclear envelope. Hence, thenuclear envelope is a spherical stomatocyte with a highgenus. In order to clarify the formation mechanism of thenuclear envelope, we simulated the morphology of highgenus vesicles by dynamically triangulated membrane
methods.
First, we investigated the vesicle morphology of genus
0 ≦ g ≦ 8 in the absence of NPCs (see Fig. 1(a)–(f)) [1]. For
g ≧ 3, bending-energy minimization without volume or otherconstraints produces a circular-cage stomatocyte, where
the pores are aligned in a circular line on an oblate bud (seeFig. 1(a)). As osmotic pressure is imposed to reduce thevesicle (perinuclear) volume, the vesicle transforms to
the spherical stomatocyte (nuclear envelope shape) (seeFig. 1(d)). In the lipid vesicles, the area difference ΔAof two monolayers of the bilayer is different from thepreferred value ΔA0 determined by the lipid number ofboth monolayers. This effect is taken into account by thearea-difference elasticity (ADE) energy: Kade(ΔA−ΔA0)2/2.
With increasing ΔA 0, the vesicle transforms from thecircular-cage stomatocyte into discocyte continuously via
pore opening (see Fig. 1(b)) at the large volume as seen in
genus-0 vesicles. Surprisingly, however, at the small volume,the vesicle exhibits a discrete transition from polyhedron to
discocyte (see Figs. 1(e) and (f)). Thus, the pore arrangements change the character of shape transitions.
Next, we modeled the pore size constraint by the NPC asa ring which the membrane cannot penetrate [2]. When thepore is restricted as a small size, the aligned pores move tothe end of the vesicle under the bending-energy minimization
as shown in Fig. 1(g).
Interestingly, the pore-constraint itself rather presents
the formation of the spherical stomatocyte. We found thatthe spherical stomatocyte is formed by a small perinuclear

Fig. 1. Snapshots of high-genus vesicles (a–f) with no pore-sizeconstraint and (g–h) with pore-size constraint. (a–g) g = 5. (h,i) g = 8.

18

ISSP Activity Report 2016

volume, osmotic pressure within nucleoplasm, and/or repulsion between the pores (see Fig. 1(h)). We consider theosmotic pressure by nucleosomes and nuclear proteins in
nucleoplasm is the main source to stabilize the nuclear shape.
When the ADE energy is accounted, the endoplasmic-reticulum-like tubules can grow from the spherical stomatocyte(see Fig. 1(i)).
References[1] H. Noguchi, EPL 112, 58004 (2015).
[2] H. Noguchi, Biophys. J. 111, 824 (2016).
AuthorH. Noguchi

Dynamics of Hydrogen Atoms in
Nanocrystalline Palladium Hydride
Yamamuro Group
Palladium hydride (PdHx) is the most popular metal
hydride which has been investigated by many physicists andchemists. It has been remarked also from industrial pointsof view, e.g., hydrogen storage, filters, sensors, catalysts,
etc. The physical and chemical properties of nanometersized materials have also been actively studied since they areoften different from bulk properties owing to their size and/or surface effects. We have performed calorimetric [1] andneutron diffraction [2] studies on nanocrystalline PdHx and
PdDx. In bulk samples, H atoms are located at the octahedral(O) sites in an fcc lattice (see the inset of Fig. 1). We foundthat H atoms occupy not only the O sites but also the tetrahedral (T) sites in the subsurface region of nanoparticles.
Recently, we conducted the quasielastic neutron
scattering (QENS) and inelastic neutron scattering (INS)works on bulk and nanocrystalline PdHx [3,4]. These
neutron scattering methods are very powerful to explore thedynamics of hydrogen atoms owing to a large incoherent
scattering cross section for a H atom. The QENS experiments were performed on HFBS, DCS and NSE at NCNR,
NIST (USA) and TOFTOF at FRM II, TUM (Germany),
and the INS experiment on 4SEASONS at MLF, J-PARC(Japan).

Fig. 1. Arrhenius plots of the relaxation times for the hydrogen motionsin nanocrystalline PdH0.47 and bulk PdH0.73. All of the plotted data are
the values at Q = 0.8 Å−1. The solid lines represent the results of the fits
assuming the Arrhenius law. The inset shows the locations of interstitialhydrogen atoms in an fcc Pd lattice; octahedral (O) sites (1/2,1/2,1/2)
and tetrahedral (T) sites (1/4,1/4,1/4).

Authors
M. Kofu, H. Akiba, N. Hashimoto, H. Kobayashia, H. Kitagawaa, andO. YamamuroaKyoto University

Novel Quantum State in a Breathing
Pyrochlore Antiferromagnet
Masuda Group

Fig. 2. (a) Inelastic neutron scattering spectrum for nanocrystalline PdH0.42 at 10 K. (b) Intensity and (c) excitation energy against aquantum number n.

Figure 1 shows the temperature dependence of the relaxation times of the hydrogen motions in bulk and nanocrystalline PdHx [3]. These values were obtained by fitting the
QENS spectra to Lorentz functions (τ is an inverse of half
width at half maximum) or exponential functions (for NSEdata). In the bulk sample, τ1 and τ2 are associated with the
O-O jump motions among the ground states and among
the first excited states, respectively. In the nanocrystalline
sample, τ3, which is comparable with τ1, may be due to the
O-O jumps in the interior region of the nanocrystals. On theother hand, τ4, which is a novel relaxation, may be due tothe T-T jumps at around the subsurface of the nanocrystals
taking the previous structural information [2] into consideration.
Figure 2(a) presents the INS spectrum of nanocrystalline
PdH0.42 [4]. The spectrum was fitted with the combinationof the spectrum of the bulk PdH0.73 (dashed curve) and the
additional excitations (solid curves). The additional component was represented by multiple Gaussians taking peak
positions, intensities and widths as fitting parameters. The
estimated intensities and averaged excitation energies are
displayed in Fig. 2(b) and (c). Dashed curves represent the
expectation from the quantum harmonic oscillator model(QHO) with hν0 = 122 meV. Obviously, the QHO model
does not reproduce the experimental results; the data wereroughly reproduced by a highly anharmonic trumpet-like
potential. The additional excitations are attributed to the H
vibrations at the T sites in the subsurface region. Thus, byusing neutron scattering techniques, we have obtained structural, diffusion, and vibrational data which are consistent
with each other.
References[1] H. Akiba et al., Phys Rev. B 92, 064202 (2015).
[2] H. Akiba et al., J. Am. Chem. Soc. 138, 10238 (2016).
[3] M. Kofu et al., Phys Rev. B 94, 064303 (2016).
[4] M. Kofu et al., submitted to Phys Rev. B.

In geometrically frustrated magnet, a macroscopic
degeneracy remains even at zero temperature as long as
the geometry is preserved. Such a situation contradicts thethird law of thermodynamics and small perturbations, which
can induce non-trivial quantum states, play an importantrole in avoiding the breakdown of the basic law. A classic
example of the violation of the third law is given by a regulartetrahedron of S = 1/2 Heisenberg spins; this has a nonmagnetic ground state with a two-fold degeneracy. In nature,
however, neither perfect isolation nor absence of coupling toother degrees of freedom is achieved and a non-degeneratestate is induced by a perturbation. The search for a simple
and isolated system is a challenge to the third law, leading
to discovery of new state of matter at very low temperatures. Ba3Yb2Zn5O11 is a rare experimental realization of
non-distorted regular tetrahedron spin system as shown in
Fig. 1. Magnetic Yb3+ ions form breathing pyrochlore lattice,and no phase transition was reported at T > 0.38 K [1].
Crystal field excitation measured by using HRC spectrometerin the energy range of ħω < 150 meV exhibited that the Yb3+
ion is regarded as an effective spin S = 1/2 with small easyplane anisotropy [2]. We, then, study low energy excitations
to identify the ground state of the spin tetrahedra in the realworld [3].
The INS spectrum at the base temperature in Fig. 2(a)shows four flat peaks; the excitations are sharp and thesystem is regarded as isolated. The spectrum is reproduced by the spin tetrahedron model with Jx = -0.57 meV,Jz = -0.56 meV, JDM = 0.11 meV as shown in Fig. 2(b), andthe system includes large Dzyaloshinskii-Moriya (DM)interaction. The DM interaction hybridizes the ground statewith the excited ones, leading to the change of selection
rule of INS spectrum, but it does not lift the two-fold degeneracy of the ground state in the isolated spin tetrahedron. To
observe the real ground state, we measured heat capacity
down to very low temperature and estimated the change ofthe entropy. As shown in Fig. 2(c) the entropy gradually
decreases with the temperature and reaches almost zero,Fig. 1. Crystal structure of Ba3Yb2Zn5O11. Regular tetrahedra of Yb3+
ions form breathing pyrochlore lattice.

ISSP Activity Report 201619

Fig. 2. Neutron spectrum and entropy change of Ba3Yb2Zn5O11. (a)Spectrum measured at 1.5 K. (b) Neutron intensity of the experimentand that of the calculation of the spin tetrahedron model (see the text indetail). (c) Entropy change. Selection of the ground state is observed.

meaning that a unique ground state is selected. Nature, thus,
realizes a novel spin liquid state thorough a perturbative
term. As a candidate state, a spin liquid having partial dimer
order or chiral order is theoretically predicted in weakly
coupled spin tetrahedra. For the further understanding ultrahigh-resolution INS experiment at ultra-low temperature isimportant.
References[1] K. Kimura et al., Phys. Rev. B 90, 060414(R) (2014).
[2] T. Haku et al., J. Phys. Soc. Jpn. 85, 034721 (2016). The spectra of
the crystal electric field is described in the section of the progress ofneutron facility in this activity report.
[3] T. Haku et al., Phys. Rev. B 93, 220407(R) (2016). The INS experiment was performed at PELICAN spectrometer installed in ANSTO.
The travel expenses for the experiment were supported by General User
Program for Neutron Scattering Experiments, Institute for Solid State
Physics, the University of Tokyo (proposal No. 15543).
Authors
T. Haku, K. Kimuraa, Y. Matsumoto, M. Soda, M. Seraa, D. Yub,
R. A. Moleb, T. Takeuchia, S. Nakatsuji, Y. Kono, T. Sakakibara,
L.- J. Changc, and T. Masuda
aOsaka University
bAustralian Nuclear Science and Technology Organization
cNational Cheng Kung University

Unveiled Multiferroic Properties in BiFeO3
Tokunaga Group
Recent extensive studies on multiferroic materials were
motivated not only by the interest in basic science, but also
by their possible application to magnetic memory devices
writable by electric fields with low power consumption.
Among various multiferroic materials, BiFeO3 is perhaps
the most extensively studied because of its huge spontaneouselectric polarization (PS) as well as high ordering temperatures. Our recent careful studies of magnetoelectric effects
revealed existence of novel electric polarization (PT) normal
to the PS that can be controlled by magnetic fields in a
non-volatile way [1].
The novel PT is found to couple with magnetic domainsof the cycloidal spin order (Q-domains). Owing to the C3
symmetry of the crystal, there are three equivalent directions

20

ISSP Activity Report 2016

Fig. 1(a) Schematics of BiFeO3 within the ab-plane. Brown circles
represent Fe ions. Thin and thick arrows show propagation vectors of
the cycloidal spin order and transverse electric polarization, respectively. (b) Magnetic field dependence of electric polarization measured
at 300 K for first and second field cycles. The prominent hysteresis
below 10 T in the first field scan corresponds to the reorientation of themagnetoelectric domains. Electric field dependence of (c) magnetization and (d) resistance of BiFeO3 in the first and second field cycles.

for the spin modulation vector. Thereby, the Q-domains are
specified by the vectors Q1, Q2, and Q3 shown in Fig. 1(a).
Here, each Q-domain contains PT normal to its Q-vector as
illustrated in Fig. 1(a) as P1, P2, and P3. Application of highmagnetic field can realize the single Q-domain state. The
reorientation process appears as an irreversible change in theelectric polarization below 10 T in the first magnetic field
cycle as shown in Fig. 1(b).
As a counter effect of this phenomenon, we can expect
control of the Q-domains by external electric fields. Suchelectric control of Q-domains is resolved through magnetization measurements as a function of electric field. In thereorientation process of the Q-domain in the first electricfield scan, we observed irreversible change in magnetization
as shown in Fig. 1(a) [2]. Simultaneous measurement of theresistance also shows irreversible change only in the first
field scan: the resistance at a certain electric field becomes
small after application of E = + 0.3 MV/m [Fig. 1(b)]. Interestingly, this low resistance state can be switched back to
the high resistance one by applying E = – 0.3 MV/m. This
switching between high and low resistance states, in otherwords the bipolar RRAM effects, appears repeatedly at least
20,000 cycles at room temperature [2].
These experimental results revealed the unveiled multiferroic properties in BiFeO3 will be useful for non-volatilememory devices writable by electric fields, readable simply
by measuring their resistance, and stable against external
fields at least up to 4 T.
References[1] M. Tokunaga et al., Nat. Commun. 6, 5878 (2015).
[2] S. Kawachi et al., Appl. Phys. Lett. 108, 162903 (2016).
Authors
S. Kawachi, H. Kuroea, T. Itob, A. Miyake, and M. TokunagaaSophia UniversitybNational Institute of Advanced Industrial Science and Technology(AIST)

Metamagnetism in the Kondo
Insulator YbB12 at Ultrahigh
Magnetic Fields of up to 120 T
Y. Matsuda and Kindo Groups
Kondo insulator is a fascinating group of materials. Whenstrong interactions between magnetic ions and itinerant band
electrons exist, the metallic ground state with heavy mass ofthe quasi particle may appear. However, in reality, a limited
number of materials exhibit insulating ground state due toyet-to-be-defined reason and are termed Kondo insulators.
The energy gap opens at a low temperature and simultaneously the magnetic moments are screened most probably due
to the Kondo effect. The resultant ground state of the Kondo
insulator is non-magnetic insulating state. One may naturally
think that the Kondo effect would be suppressed by a highenough magnetic field. Hence, high-magnetic-field experiments on the Kondo insulator is intriguing; the electronic andmagnetic properties are expected to change significantly byapplying the high magnetic field.
YbB12 is a canonical Kondo insulator and known to show
clear insulator-metal (IM) transition at around 50 T [1]. At
the field-induced IM phase transition, a steep increase of themagnetization also appears, and the phenomenon is often
referred as metamagnetism or metamagnetic transition. The
observed magnetization at 50 T, however, is smaller than halfof the expected saturation magnetization. Higher magnetic
fields are necessary to uncover the peculiar electronic andmagnetic properties of YbB12.

Recently, we have conducted magnetization experiments
on YbB12 in ultrahigh fields of up to 120 T. The horizontaltype single-turn coil (HSTC) is employed for the field
generation. Figure 1 (a) shows the obtained magnetization
curves; the thick black line and grey thin line represent themagnetization of the powdered sample and that of a single
crystal, respectively. The magnetization curves of the single
crystal with different directions of the applied magnetic field
are shown in the inset of Fig. 1(a). In addition to the previously known metamagnetism around 50 T, another metamagnetic transition is observed in the powder sample at around
102 T [2]. This phenomenon is seen more clearly in the field
variation of dM/dB (field derivative of the magnetization)
as shown in Fig. 1(b). The metamagnetic transitions areobserved as peak structures; there are broad but distinct two
peaks at 55 and 102 T.
The observed successive two metamagnetic transitions
can be interpreted as energy gap closing process. [1,2] In
terms of the band magnetism, the metamagnetic transition
occurs when the density of states (DOS) takes peak structure near Fermi energy at certain magnetic field. The twometamagnetic transitions indicate that there are multi-pseudo
gap structures in the electronic state of YbB12. Similar
multi-pseudo gap structures have been suggested to exist in
the Kondo semimetal CeNiSn [3], and the Kondo effect istheoretically predicted to collapse at the second metamagnetic transition when the larger pseudo-gap closes due tothe Zeeman effect. Similar phenomenon probably takes
place in YbB12. The insulating state transforms to metallic
state at around 50 T and the heavy fermion phase appears
at magnetic fields in the range from 50 to 102 T. At higher
fields exceeding 102 T, it is expected that the Kondo effecteventually vanishes and a normal metal state with saturated
magnetization realizes. To validate this picture, further
studies with single crystals are planned to be performed.
References[1] K. Sugiyama, F. Iga, M. Kasaya, T. Kasuya, and M. Date, J. Phys.
Soc. Jpn. 57, 3946 (1988).
[2] T. T. Terashima, A. Ikeda, Y. H. Matsuda, A. Kondo, K. Kindo, andF. Iga, J. Phys. Soc. Jpn. 86, 054710 (2017).
[3] T. Yamada and Y. Ono, Phys. Rev. B 85, 165114 (2012).
Authors
T. T. Terashima, A. Ikeda, Y. H. Matsuda, A. Kondo, K. Kindo, andF. IgaaaIbaraki University

Solving the Mystery of the Topology
of Semimetal Bismuth
I. Matsuda, Shin, and Komori Groups

Fig. 1. (a) Magnetic field dependence of the magnetization (M) of
YbB12. The red-dashed and black-solid curves denote the magnetization of powder sample measured by a non-destructive pulsed magnet
and that by HSTC, respectively. The green-dashed and gray-solid
curves denote the M of a single crystal measured by a non-destructive
pulse magnet and that using the HSTC, respectively. The inset shows
the M curves of the single crystals with different magnetic field directions. (b) The field derivative of the magnetization (dM/dB) curves forthe results of non-destructive pulse magnet (red-dashed curve) and thatby the single-turn coil method (black solid curve). The inset shows
dM/dB for the single crystal in the B//[111] direction. The green-solid
curve was obtained with a non-destructive magnet and the gray-solid
curve was obtained with the HSTC.

Today, bismuth has become a central element indesigning and in synthesizing topological materials suchas Bi1−xSbx, Bi2Se3, and Na3Bi. However, topology of thepure bismuth crystal has been still controversial. This isbecause the topology identification requires a precise determination of band structure of the bulk and edge-states of amaterial but the very small energy gap and the sharp dispersion have prevented from it even with recent photoemission
spectroscopy techniques. In order to overcome the situation,
we intentionally fabricated electronic interferometry in the
bismuth films and combined with the ultrahigh-resolution
measurement of angle-resolved photoemission spectroscopy
ARPES [1].

ISSP Activity Report 201621

Fig. 1. Photoemission band diagrams of pure bismuth crystals measured
at hν=8.437 eV. The film thickness is systematically increased from
14 to 202 atomic layer. An atomic layer corresponds to bilayer (BL),1 BL=3.93 Å.

Figure 1 shows the ARPES results of the processed Bi
crystals, normally a three-dimensional substance into an
atomically thin two-dimensional film. The films was grownon the Ge(111) substrate. Electrons in a solid behave aselectronic waves with a specific wavelength and energy.
At all the thickness, a dispersion curve of the edge-state isobserved at the Fermi level. On the other hand, at individual
thickness, one can find different interference patterns of theelectronic waves that are confined in the film. The systematic variation of the pattern allows us to determine the bulk
band dispersion accurately. Then, from the precise electronic
structures of the edge and the internal bulk, the pure bismuth
crystal was unambiguously found to have the nontrivial
topology, solving the long mystery [2].

Fig. 1. (Upper)Dirac cones in the honeycomb lattice (graphene) and in
the β12-sheet structure (borophene). (Lower) A pair of Dirac cones in
the periodically modulatedβ12-sheet structure (borophene on Ag(111)).

band is actually forming a pair of Dirac cones by the highresolution ARPES measurement using synchrotron radiation [2]. The borophene on Ag(111) forms theβ12-sheet
structure and the theoretical calculations, the first principles
and the tight-biding models, confirm presence of the Diraccones. Moreover, by imposing the one-dimensional periodic
potentials, the Dirac cones were found to form a pair, which
completely reproduce the experimental bands. It is of notethat the additional periodicity was confirmed by scanningtunneling microscope on the borophene. These results
open the door to designing novel Dirac materials of the
non-honeycomb structure and to make additional modification by the substrate that lead to varieties of functionalities(Fig. 1).

References[1] S. Ito, B. Feng, M. Arita, A. Takayama, T. Someya, W.-C. Chen,
C.-M. Cheng, C.-H. Lin, S. Yamamoto, T. Iimori, H. Namatame,
M. Taniguchi, S.-J. Tang, F. Komori, K. Kobayashi, and I. Matsuda,
Phys. Rev. Lett. 117, 236402 (2016). (editor’s choice).
[2] Research highlight, Nature Physics 13, 8 (2017).

References[1] B. Feng, J. Zhang, Ro-Ya Liu, T. Iimori, C. Lian, H. Li, L. Chen,
K. Wu, S. Meng, F. Komori, and I. Matsuda, Phys. Rev. B 94,
041408(R) (2016).
[2] B. Feng, O. Sugino, R.-Y. Liu, J. Zhang, R. Yukawa,M. Kawamura, T. Iimori, H. Kim, Y. Hasegawa, H. Li, L. Chen, K. Wu,
H. Kumigashira, F. Komori, T.-C. Chiang, S. Meng, and I. Matsuda,
Phys. Rev. Lett. 118, 096401 (2017).

Authors
S. Ito, Tai C. Chiang, F. Komori, and I. Matsuda

Authors
B. Feng, Tai C. Chiang, O. Sugino, F. Komori, and I. Matsuda

Dirac Fermions in Borophene
I. Matsuda, Sugino, and Komori Groups
Boron, the fifth element in the periodic table, has been
known to be the lightest element substance that forms interatomic covalent bonds. Since the bonding states in the bulk
boron ranges from two-center to multi-center bonds, boron
forms varieties of allotropes that show rich physical andchemical properties. Up to now, all the allotropes of boron
have been found to be semiconducting with a large bandgap. Recently, the discovery of graphene has triggered greatinterest in the search for elemental monolayer materials
and theoretical investigations have found existence of themonolayer boron, borophene, that shows metallicity.
In the present research, we synthesized a borophene bydirectly evaporating pure boron (99.9999%) onto a clean
Ag(111) substrate. We apparently observed metallic boronderived band by angle-resolved photoemission spectroscopy(ARPES). There are three pockets of the Fermi surfacesthat are supported by the first-principles calculations [1].
Focusing onto a pair of the pockets, we discovered that the

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ISSP Activity Report 2016

Tailoring Photovoltage Responses at
SrRuO3/SrTiO3 Heterostructures
I. Matsuda Group
Strontium titanate (SrTiO3) has been one of the wellknown transition-metal oxides and its perovskite crystal
structure has enabled us to design a rich variety of metaloxide heterostructures by epitaxial growth of oxide films.
Recently, its photo-induced response has also attracted
technological interests for usages of solar cells, photo
diodes, photoelectrolysis, and photocatalysts. In such applications, the photovoltage effect is the most fundamental
optical response and one needs to clarify the mechanism fordesigning and upgrading the systems. The surface photovoltage (SPV) effect is induced by photo-excitation, followedby spatial separations of carriers (holes and electrons)
between the surface (interface) and the internal bulk. The
effect is sensitive to the surface/interface band alignment
and, thus, it is expected to improve the optical response byelectronic design of the heterostructure.
By making element-selective time-resolved softFig. 1. Time dependence of the energy shifts of the surface photovoltage (SPV) effect after the optical pumping, traced by thetime-resolved Sr 3d core-level photoemission measurements ata) SrTiO3(STO), and b) SrRuO3 (SRO)(2 ML)/ SrTiO3 and c) SrRuO3(4 ML)/ SrTiO3.

X-ray photoemission experiments at SPring-8 BL07LSU,
we demonstrated that the photovoltage response can beenhanced in more than two orders of magnitude in SrTiO3
by the epitaxial growth of 2 monolayer (ML) of SrRuO3 thinfilm (0.8 nm), as shown in Fig.1. Moreover, we determined
life-time of the photo-excited carriers in the perovskite heterostructures. Performance of the optical response matchedwith expectations from the band alignments. Our approach isfundamentally applicable for a variety of oxide heterojunctions and, therefore, it can be useful in fabricating the better
opto-electronic devices such as high-efficient photo-detectors
and solar cells.
References[1] R. Yukawa, S. Yamamoto, K. Akikubo, K. Takeuchi,

K. Ozawa, H. Kumigashira, and I. Matsuda, Adv. Mater.
Interfaces 3, 1600527 (2016).
Authors
R. Yukawa, S. Yamamoto, and I. Matsuda

Photoinduced Demagnetization andInsulator-to-Metal Transition in
Ferromagnetic Insulating BaFeO3 Thin Films
Wadati Group
Control of magnetic states by optical excitations inmagnetically ordered materials has attracted considerable
attention since the demonstration of ultrafast demagnetization in Ni within 1 ps, explored by time-resolved magnetooptical Kerr effect studies by Beaurepaire et al. [1]. They
proposed a phenomenological “three-temperature model”
in order to understand the ultrafast demagnetization, which
considers three interacting reservoirs of electrons, spins, andFig. 1. Geometry of the measurements.

lattice, and suggested the importance of direct electron-spin
interactions. Here we report on pump-probe time-resolved
resonant x-ray reflectivity study of fully oxidized single
crystalline BaFeO3 thin films [2], which show unusual
behaviors of ferromagnetic and insulating properties
with saturation magnetization and a Curie temperature of
3.2 μB/formula unit and 115 K, respectively [3,4]. The investigation of the demagnetization dynamics of insulators allows
one to relate electronic structure to magnetic dynamics.
In order to investigate the magnetic dynamics of ferromagnetic insulating BaFeO 3 thin films, we performed
timeresolved reflectivity studies at the Femtospex slicing
facility at the synchrotron radiation source BESSY II [5],using circularly polarized x-ray pulses. Our experimental
method has the advantage that, in one reflectivity experiment, we can probe electronic structure as well as magnetism. The quality of the thin-film samples was confirmedby x-ray diffraction, Fe 2p x-ray absorption spectroscopy,
and Fe 2p core-level hard x-ray photoemission spectroscopy measurements by comparing cluster-model calculations, which found that the formal valence of Fe was 4+[3,4]. The experimental geometry is shown schematically in
Fig. 1. We used fixed circular polarization and createdmagnetic contrast by switching the direction of the magnetic
field (H), which was oriented along the sample surface ([010]
direction). We recorded specular reflectivity data for twomagnetization directions R+ and R−. The average reflectivity
R = (R+ + R−)/2 is a measure of the electronic and structuralproperties, while the magnetic circular dichroism in reflectivity (MCDR) signal DR = (R+ - R−)/2 is a measure of thesample magnetization. A Ti:sapphire laser (wavelength:
800 nm, energy: 1.55 eV) with a pulse width of ∼ 50 fs was
employed as a pump laser with π polarization. The spot sizeof the pump laser was ∼ 0.40 mm (horizontal) × 0.25 mm(vertical), and that of the probe x ray was ~0.1 mm × 0.1
mm. The repetition rate of the time-resolved measurement
was 3 kHz, limited by the frequencies of the pump laser. The
pumped and unpumped signals were obtained alternatively.
The time resolution was 70 ps, corresponding to the pulse
length of the probe x ray.
Figure 2(a) shows the time evolution of the MCDR intensities for different pump fluences. The vertical axis showsthe excited MCDR intensities normalized by the unpumped
signal (i.e., ΔRpump /ΔRno pump). Here, the subscript of pumpand no pump denote the signals with and without the laser
excitations, respectively. The MCDR intensities decrease
after the incidence of the pump laser at t = 0. The time evolution of the MCDR intensity shows different behaviors with

Fig. 2. Time evolution of (a) XMCD intensity and (b) reflectivity of
BaFeO3 thin films for various pump laser fluence. All the curves,
except for the case of 10 mJ/cm2, are shifted upward for clarity.

ISSP Activity Report 201623

the change of the pump fluence (F). When F is smaller than
5.0 mJ/cm2, the demagnetization time is relatively slow andmagnetization recovery sets in after about 400 ps. Whenthe pump F is larger than 6.6 mJ/cm2, on the other hand,the demagnetization time is quite fast and no recovery of
the magnetization can be observed within the first 800 ps.
We assign the different behavior of the demagnetization
dynamics to a laser-induced insulator-to-metal transition
for F ≥ 6.6 mJ/cm2, as discussed in the following. We show
the time evolution of the intensity of the average reflectivity
in Fig. 2(b), which allows us to investigate the electronic
dynamics. The vertical axis shows the excited reflectivity
intensities normalized by those without excitation (i.e.,
Rpump /Rno pump). No pump effects were observed for F ≤ 5.0
mJ/cm2 with our time resolution of 70 ps. Pump effects, on
the other hand, were clearly observed for F ≥ 6.6 mJ/cm2.
Figure 3 shows the mechanism of the insulator-to-metaltransition induced by the strong laser excitation. Whenthe pump fluence is weaker than 5.0 mJ/cm2, magnetizations in BaFeO3 thin films recover with the time constantof τrecovery ∼ 1000 ps. The time scale of ∼ 1000 ps can be
assigned to heat diffusion needed to cool the sample below
the magnetic ordering temperature after electron, lattice, andspin systems have reached thermal equilibrium. Remarkably,
the time-resolved reflectivity change for strong pump fluencealso shows a recovery on this time scale of τrecovery ∼ 1000
ps, indicating that also here heat diffusion is the relevantmechanism. This latter observation is quite notable, because
equilibrium between the electron and lattice temperature
should be reached within 1 ps. The slow reopening of theband gap on time scales of ∼ 1000 ps shows that for highexcitation densities we drive the system into a metastablestate. As a mechanism for the long lifetime of the metallic
state, we consider that hot carriers, generated by the quasiparticle scattering and closing the band gap, prevent it from
opening again by reducing electron-electron and electronphonon interactions.
In summary, we investigated the electronic and magnetic
dynamics by time-resolved reflectivity and MCDR measurement on BaFeO3 thin films. When the pump laser fluenceis smaller than 5.0 mJ/cm2, a relatively slow demagnetization of τdecay ∼ 150 ps was observed, due to the insulating
properties of the ground state in BaFeO3 thin films without
any changes in Fe 2p x-ray reflectivity. When the pump laser
fluence is stronger than 6.6 mJ/cm2, on the other hand, rapid

Fig. 3. Mechanism of the insulator-to-metal transition induced by thestrong laser excitation.

24

ISSP Activity Report 2016changes in Fe 2p x-ray reflectivity are observed, which is
attributed to a transition into a metallic state, resulting in an
unusually fast demagnetization with τdecay < 70 ps. Since
BaFeO3 thin films are near the phase boundary of a metalinsulator transition, the insulating phase is quite sensitive
to carrier density. Thus, the origin of the insulator-to-metaltransition is a photoinduced Mott transition into a metastablestate stabilized by screened electron-electron and electronphonon interactions. Our findings indicate a mechanism fortuning magnetic dynamics in correlated materials, which
resembles heat-assisted magnetic switching in metallic
magnets. By creating a sufficiently high excitation density,spin-flip scattering channels open up which increase the spin
system susceptibility to external manipulation.
References[1] E. Beaurepaire, J.-C. Merle, A. Daunois, and J.-Y. Bigot, Phys. Rev.
Lett. 76, 4250 (1996).
[2] T. Tsuyama, S. Chakraverty, S. Macke, N. Pontius, C. SchüßlerLangeheine, H. Y. Hwang, Y. Tokura, and H. Wadati Phys. Rev. Lett.
116, 256402 (2016).
[3] S. Chakraverty, T. Matsuda, N. Ogawa, H. Wadati, E. Ikenaga,
M. Kawasaki, Y. Tokura, and H. Y. Hwang, Appl. Phys. Lett. 103,
142416 (2013).
[4] T. Tsuyama, T. Matsuda, S. Chakraverty, J. Okamoto, E. Ikenaga,
A. Tanaka, T. Mizokawa, H. Y. Hwang, Y. Tokura, and H. Wadati, Phys.
Rev. B 91, 115101 (2015).
[5] K. Holldack, J. Bahrdt, A. Balzer, U. Bovensiepen, M. Brzhezinskaya, A. Erko, A. Eschenlohr, R. Follath, A. Firsov, W. Frentrup,
L. Le Guyader, T. Kachel, P. Kuske, R. Mitzner, R. Muller, N. Pontius,
T. Quast, I. Radu, J.-S. Schmidt, C. Schüßler-Langeheine, M. Sperling,
C. Stamm, C. Trabant, and A. Fohlisch, J. Synchrotron Radiat. 21, 1090
(2014).
Authors
T. Tsuyama, S. Chakravertyb,c, S. Macked,e, N. Pontiusf, C. SchüßlerLangeheinef, H. Y. Hwangb,g,h, Y. Tokuraa,b, and H. WadatiaQuantum-Phase Electronics Center (QPEC), University of Tokyob
RIKEN Center for Emergent Matter Science (CEMS)c
Institute of Nano Science and Technology (INST)d
Quantum Matter Institute, University of British Columbiae
Max Planck Institute for Solid State ResearchfHelmholtz-Zentrum Berlin für Materialien und Energie GmbHg
Stanford Institute for Materials and Energy Sciences, SLAC National
Accelerator LaboratoryhStanford University

ISSP Activity Report 201625

Joint Research Highlights
Thermal-Hall effect in a Spin-LiquidState in Volborthite
M. Yamashita, T. Shibauchi, and Y. Matsuda
A central question in condensed-matter physics is a fateof electronic states under strong quantum fluctuations which
often give rise to a variety of non-trivial quantum states.
A prominent example is a quantum spin liquid (QSL) [1]of frustrated quantum antiferromagnets in which highlycorrelated spins keep fluctuating down to very low temperature owing to enhanced quantum fluctuations. A few candidate materials now have been reported to host a QSL in
two-dimension (2D), which have been attracting enormous
attention because a 2D QSL is a new class of matter characterized by unknown quasiparticles. Identifying the precise
nature of elementary excitations in a 2D QSL, however, hasremained entirely elusive.
To shed a new light for studying unexplored property ofthe elementary excitations in a QSL, we utilize thermal Hallmeasurements to a spin liquid state realized in a 2D kagomé
insulator volborthite Cu3V2O7(OH)2 · 2H2O. Volborthite isa magnetic insulator in which Cu2+ ions form a distorted
kagomé structure with inequivalent exchange interactions[2] (see the inset of Fig. 1). The temperature dependenceof the magnetic susceptibility χ is typical for frustrated
spin system with the effective spin interaction energy
Jeff/kB ~ 60 K; the peak of χ(T) at Tp ~ 18 K shows that ashort-range spin correlation develops below Tp. Although
the spin Hamiltonian is rather complicated [3], a geometricalFig. 1. Temperature dependence of the heat capacity divided by temperature C/T (diamonds, left axis) and the magnetic susceptibility χ (grayline, right axis) of a single crystal of volborthite. The peak temperatureof the magnetic susceptibility is marked as Tp. The dashed line is thelattice heat capacity. The inset illustrates the arrangement of Cu ions in
the ab plane. J1 and J2 represent the nearest-neighbor and next-nearestneighbor interactions in the Cu2 spin chains, respectively. J' and J''
represent the nearest-neighbor interactions between Cu1 and Cu2 spins.

26

ISSP Activity Report 2016

Fig. 2. Temperature dependence of –κxy/TB at 15 T (left) and that of χ(right). The dashed line is a guide to the eyes.

frustration effect suppressed the magnetic order down to
TN ~ 1 K, showing a presence of a spin liquid state in a wide
temperature range TN < T < Jeff/kB. Extrapolating both χ andC/T above TN results a finite value at T = 0 (Fig. 1), demonstrating the presence of gapless excitations in the spin liquidstate.
Our central finding [4] is a negative thermal Hall conductivity κxy (Fig. 2) which develops upon entering the spin
liquid state (T < Jeff/kB) from the high-temperature paramagnetic state (T > Jeff/kB). Because volborthite is a transparent
insulator without conducting electrons, a finite thermal
Hall effect immediately means the presence of non-trivial
excitations. At lower temperatures, |κxy| shows a peak at
T ~ Tp, which is followed by a sharp decrease and a sign
inversion just above TN. These intimate correlations between
the temperature dependence of χ and that of κxy lead us toconclude that the observed thermal Hall effect in volborthite arises from the magnetic excitations in the spin liquidstate, not from phonons. The emergence of the thermal
Hall conductivity below T ~ Jeff/kB strongly suggests thatthe thermal Hall effect is a key signature distinguishing thehighly-correlated spin liquid state from the conventionalparamagnetic state. A further analysis [4] shows that aneffective Lorentz force acting on the spin excitations can be
estimated as ~1/100 of that for free electrons, implying thatthe coupling between the applied magnetic field and the spin
excitations is very small.
The rapid decrease and the sign change of κxy near TN
call further studies, especially about the spin correlation
effect on the thermal Hall conductivity. Possibilities for the
suppression of κxy would include an instability of a fictitious
gauge field acting on the spin excitations and an emergenceof an additional spin excitations with opposite sign of κxy.
Applying thermal Hall measurements to another frustrated
spin materials should be important to clarify these nontrivial
issues.

References[1] L. Balents, Nature 464, 199 (2010).
[2] H. Ishikawa et al., Phys. Rev. Lett. 114, 227202 (2015).
[3] O. Janson et al., Phys. Rev. Lett. 117, 037206 (2016).
[4] D. Watanabe et al., Proc. Natl. Acad. Sci. USA 113, 8653 (2016).
Authors
D. Watanabe a, K. Sugii, M. Shimozawa, Y. Suzuki, T. Yajima,
H. Ishikawa, Z. Hiroi, T. Shibauchib, Y. Matsudaa, and M. YamashitaaKyoto University.
b
University of Tokyo

Spin Control in Photoemission Process from
Spin-Orbital Entangled Surface States
K. Kobayashi, F. Komori, and S. Shin
Strongly spin-orbit coupled materials have been attracting
much attention in solid-state physics. In particular, the potential gradient at the surface and interface largely enhances
the interaction. In contrast to a conventional model with asingle chiral spin texture of spin-polarized surface states,
the spin-orbital texture, where spin is locked to the orbital
texture of the bands, has recently been pointed out. [1] The
spin-orbital entanglement is a general consequence of thestrong spin-orbit coupling, and thus is important not only forsurface/interface states but also bulk states, and is applicable
to optical spin control in solids. However, the response ofspin to light has not yet been understood fully on the basis of
the quantum-mechanically entangled states with spin-orbital
textures. Consequently, a clear and comprehensive concept isrequired on this subject. We have shown general descriptionof the optical spin control using the spin-orbital entangledstates, and demonstrated it in Bi2Se3 [2], and Bi [3] surfaces
by laser-based spin- and angle-resolved photoemission
spectroscopy (Laser-SARPES) [4].
In the preset concept, the final state spin direction ofphoto-excited electrons is determined by quantum interference due to spin-locked wave functions in the optical excitation process as schematically shown in Fig.1. On the mirror
symmetry line, the spin direction of the initial state is fixedby the even-odd symmetry of the orbital wave function. In
the case of SARPES measurements on the mirror symmetryline, spin direction of the photoelectron excited by linearlypolarized light depends systematically on the direction of
its electric field vector, and can be expressed by the lightpolarization angle (θ) from the mirror plane and a complex

Fig. 1. Schematic illustration of photoemission processes from spinorbital entangled surface states, where spin direction is locked in eithery or –y direction, depending on the even-odd symmetry of the orbital
wave functions and mirror-symmetry eigen values on the mirrorsymmetry line. When the surface is irradiated by p(s)-polarized light inthe mirror plane, only even(odd)-symmetry wave functions are excited,
and thus, the spin direction of photoelectrons is either y or –y direction
accordingly as shown in (a). When the electric field direction of light isrotated by θ from the p-polarization direction as in (b), both even andodd wave functions are coherently excited and the spin direction of thephotoelectrons is determined by complex matrix elements of the photoexcitation process [2,3].

Fig. 2. ARPES of spin-orbital entangled surface states (upper), andphotoelectron spin direction (middle) and normalized photoelectron
intensity (lower) as a function of the angle θ of the polarization vector
from the p-polarization direction shown in Fig.1(b) for the Bi(111) (a)[3] and Bi2Se3(111) (b) [2] surfaces. For Bi(111), two surface bands
exist around Γ while only one band for Bi2Se3(111). Initial states of thephotoelectrons are at k1 and EF for (a), and –kF for (b). The observed θ
dependences are well reproduced by the formula (solid curves) using
two fitting parameters of the photoemission matrix element ratio.

ratio of the dipole matrix elements from the even and odd
initial states. We measured the spin direction of photoelectrons from Bi2Se3(111) and Bi(111) surfaces as a functionof θ using Laser-SARPES. The results are well reproducedby the obtained formula as shown in Fig. 2 using appropriate
complex values of the matrix element ratio.
References
1. Z.-H. Zhu et. al., Phys. Rev. Lett 110, 216401 (2013).
2. K. Kuroda et. al., Phys. Rev. B 94, 165162 (2016).
3. K. Yaji et. al., Nat. Commun. 8, 14588 (2017).
4. K. Yaji et. al., Rev. Sci. Instrum. 87, 053111 (2016).
Authors
K. Yaji, K. Kuroda, K. Kobayashi a , A. Harasawa,Y. Ishida,
S. Watanabeb, C. Chenc, F. Komori, and S. Shina
Ochanomizu UniversitybResearch Institute for Science and Technology, Tokyo University of
Sciencec
Beijing Center for Crystal Research and Development, Chinese
Academy of Science

Compressed Sensing in Scanning
Tunneling Microscopy/Spectroscopy
for Quasi-Particle Interference
Y. Nakanishi-Ohno, Y. Yoshida, and M. Okada
Interference of electrons is one of the manifestations of
their particle-wave duality in quantum mechanics. Whenelectrons are scattered by local disordered structures, suchas adsorbates and step edges on surfaces, the reflected
electronic wave interferes with the injected one to form aspatial modulation in local density of states (LDOS), that is,

ISSP Activity Report 201627

Fig. 1. (upper) dI/dV map taken on the Ag(111) surface. The size ofthe area is 70 nm × 35 nm, and the number of pixels is 360 × 180 =
64800 points. (lower) FT of the upper STM image by the conventional
method.

a quasi-particle interference (QPI) pattern. The modulated
LDOS can be observed in real space by using scanningtunneling microscopy and spectroscopy (STM/S) at various
energies around the Fermi level, and by analyzing a QPI
pattern one can obtain the momentum (k) space informationon the electronic states and their energy dispersion relation.
Recently, the QPI analysis has been applied to investigate
electronic structures of complex materials such as unconventional superconductors and topological insulators. As themeasurements can be performed at very low temperature
under high magnetic fields, the method is a powerful tool invarious aspects of solid state physics.
In order to obtain the energy dispersion relation ofelectronic states, however, the spectrum of tunneling conductance dI/dV, which corresponds to LDOS, has to be taken
at every pixel while scanning. It is therefore quite timeconsuming; sometimes it takes more than a week, whichmakes the QPI measurements difficult to be performed. If
one can obtain the same quality of the k-space informationfrom a reduced number of spectra, the QPI analysis will bemuch more convenient and widely used.
As a solution to the problem posed above, we haveapplied compressed sensing (CS) to the QPI observation,
which is a novel statistical method for acquiring and reconstructing a signal efficiently. In the case of QPI observation,
the k-space information on the electronic states is obtainedby performing the Fourier transformation (FT) of the QPIpattern. If the number of dI/dV spectra is decreased, theFT of the dI/dV map becomes of too low quality to accessthe k-space information. In order to boldly enhance theresolution of k space, we need to solve an underdetermined
problem, in which the number of variables measured issmaller than the number of variables to be determined.
CS addresses this problem by utilizing the sparseness of
QPI patterns; their FTs are composed of few nonzeros
and many zeros. This sparseness is based on the fact thatLDOS modulations are allowed only for a small number of

28

ISSP Activity Report 2016

wavelengths. Because of this sparseness, we can reduce thenumber of unknown variables significantly, and then obtainan FT of sufficient quality even with scarce data.
Here, we demonstrate that CS performs well by numerical simulations on a QPI pattern observed in a dI/dV mapof the Ag(111) surface. The surface state of Ag(111) is
described by a free-electron-like model, and the FT of the
QPI pattern has a circular pattern whose radius corresponds
to twice the wavenumber of the states. We use an analysis
method of CS, called LASSO (least absolute shrinkage andselection operator), to recover the pattern from scarce data.
Figure 1 shows a dI/dV mapping (360 × 180 = 64800
pixels) taken on the Ag(111) surface at 4.2 K. The mappingshows a wave-like QPI pattern around adsorbates on thesurface. The FT of this dI/dV map obtained by the conventional method is shown in the lower panel of Fig. 1. A ring
structure can be seen centered at the origin, indicating thepresence of isotropic electronic states on the surface. We
also found small intensity other than the ring, supporting theassumption of sparseness. The q-space region of interest is
discretized into 128 × 128 = 16384 pixels. In this case, theamount of data is enough sufficient compared to the numberof unknown variables.
Let us examine whether the circle can be recoveredfrom a reduced amount of data. Figure 2 shows FTs of
16384 pixels, which are estimated from data of 7200 points
randomly chosen from the dI/dV mapping shown in Fig. 1.
It should be noted that the number of unknown variables
is larger than that of the measured variables. The left andright panels show the results of the conventional method andthose of LASSO, respectively. Although the ring pattern canbe seen in the FT by the conventional process (left panel),it has rather noisy background because of the reduced
amount of data. On the other hand, the analysis with LASSO
significantly reduces the background noise, and the expected
pattern is more clearly seen in the result (right panel). In
the ill-posed situation, LASSO provides a sparse solution;
most of the noise components are automatically estimated atzero, and the signal components remain to be nonzero. Our
numerical simulations demonstrated that LASSO enables us
to recover the characteristic features of the electronic statesof Ag(111) surface from a randomly reduced dataset. Our
results indicate that CS works effectively in the analysis of
QPI, saving the number of required dataset and measurement time, which improve the efficiency of the QPI analysis.
Obviously the application of CS should not be limited to
the QPI analysis; we expect that it will be extended more tovarious situations in condensed matter physics near future.

Fig. 2. FTs estimated from pixels randomly chosen from the dI/dV
mapping shown in the upper panel of Fig. 1. The subsets of data arecomposed of 7200 pixels. Results of the conventional method andLASSO are shown in the left and right panels, respectively.

Reference[1] Y. Nakanishi-Ohno, M. Haze, Y. Yoshida, K. Hukushima,
Y. Hasegawa, and M. Okada, J. Phys. Soc. Jpn. 85, 093702 (2016).
Authors
Y. Nakanishi-Ohno a , M. Haze, Y. Yoshida, K. Hukushima a,b ,Y. Hasegawa, and M. Okadaaa
The University of Tokyob
National Institute for Materials Science

Halide Perovskite Thin Films
for Photovoltaics
K. Kawashima, R. Takahashi, and M. Lippmaa
Structurally similar to classical perovskite oxides, organic
halide perovskites have a general formula ABX3, where theanion X can be I, Br, or Cl, the B-site is occupied by Pb, and
the A-site usually holds the methylammonium ion, CH3NH3.
Halide perovskites are studied as energy harvesting materials
in photovoltaics, achieving solar cell energy conversion
efficiencies of around 20%. A major technical problem withperovskite solar cells is the low structural stability of thehalide perovskite material. The carrier mobility and recombination rates therefore quickly degrade after film growth.
The purpose of this collaboration project was to develop atechnique for quickly fabricating organic halide perovskite
thin films with controlled composition and layer thickness
to optimize the material characteristics. A pulsed molecularbeam epitaxy system with continuous wave infrared heating(cwIR-MBE) was designed to tackle this problem. The
thin film growth system is shown in Fig. 1a, showing two
precursor cells containing the PbI2 and CH3NH3I precursors
on a rotatable target stage. The stage can be used to position
either one of the sources to face directly the substrate. A
cw infrared laser is used to briefly heat the source cell infront of the substrate, yielding a millisecond-scale pulsed
MBE process. The amount of material evaporated can becontrolled by tuning the laser power, pulse length, and theevaporation pulse count. The main benefit of the techniqueis that the evaporation is thermal, not ablative, which meansthat the organic precursor material is not decomposed in theevaporation process. Periodically evaporating either of thetwo sources is used to obtain the desired PbI2 and CH3NH3I
layer sequence. A homogeneous perovskite phase can beobtained if the individual layer thicknesses are limited to justa few unit cells and the average stoichiometry is close to thedesired value.
This thin film growth system was used to fabricate arraysof perovskite solar cells, integrating several devices withslightly different precursor ratios on a single substrate to

Fig. 1. (a) Schematic view of the pulse MBE deposition system. (b) A
cross-sectional image of a completed organic halide perovskite solar
cell.

minimize statistical errors in the device characterization.
A cross-sectional view of a completed solar cell device isshown in Fig. 1b. X-ray diffraction analysis was used todetermine the optimal evaporated precursor ratio to obtain
the perovskite phase. The total film thickness analysis wasused to confirm that homogeneous phase formation occurs
in multilayer films where the PbI2 and CH3NH3I layer thicknesses are 1.4 nm and 1.7 nm, respectively. Characterizing aseries of solar cells showed that even in the screening experiment, a device efficiency of 10 % could be achieved.
The success of the halide perovskite synthesis by
IR-MBE shows that sequential evaporation of organic
precursor sources is an effective way of depositing
nanometer-scale layers of volatile organics in a physicalvapor vacuum process. The geometry of the evaporation
process is arranged so that each target is directly facing thesubstrate during evaporation, which minimizes spatial layer
thickness gradients on the sample surface. Additionally,
only a single laser is required to evaporate several different
precursor materials, while the necessary heating power andpulse length can be adjusted individually for each precursor
material. The work thus shows that organic multilayer andhomogeneous phase materials can be grown in a technicallysimple sequential MBE chamber.
References[1] K. Kawashima, Y. Okamoto, O. Annayev, N. Toyokura,
R. Takahashi, M. Lippmaa, K. Itaka, Y. Suzuki, N. Matsuki, andH. Koinuma, Sci. Tech. Adv. Mat. 18, 307 (2017).
Authors
K. Kawashima a , Y. Okamoto b , O. Annayev c , N. Toyokura a ,R. Takahashi, M. Lippmaa, K. Itakad, Y. Suzukib, N. Matsukie, andH. KoinumafaComet Co. Ltd.
b
Tsukuba UniversitycTurkmenistan Academy of Science and TechnologydHirosaki UniversityeKanagawa UniversityfNational Institute for Materials Science

Pressure Effect on Magnetic
Properties of Weak Itinerant
Electron Ferromagnet CrAlGe
Y. Mitsui, Y. Uwatoko, and K. Koyama
CrAlGe with an orthorhombic TiSi2-type structure shows
ferromagnetism below a Curie temperature TC of 80 K. The
spontaneous magnetic moment ps and effective magnetic
moment peff of CrAlGe were reported to be 0.41 μB at 5 K
and 1.89 μB, respectively [1]. The paramagnetic moment pC
was calculated to be 1.13 μB from peff by peff2 = pC (pC + 2),
and the ratio p C /p s of CrAlGe was 2.8. Because thepC/ps is greater than unity, CrAlGe was classified as the
weak itinerant electron ferromagnet (WIEF). The parametersof the energy scale of the spin fluctuation spectrum [2], T0
and TA were estimated to be 1.0 × 103 K and 4.0 × 103 K,
respectively. However, the pressure effect on the magnetic
properties of CrAlGe has not been clarified. In this study, we
performed magnetization measurements of CrAlGe underhigh pressures up to 1 GPa.
The magnetization M measurements under hydrostaticpressure P up to 1.0 GPa were carried out using a superconducting quantum interference device magnetometer for5 ≤ T ≤ 200 K and magnetic fields μ0H up to 5 T in a clamp-

ISSP Activity Report 201629

Fig. 1. Sample setup.
Fig. 1. Isothermal M2 vs. H/M plots (Arrott plots) of CrAlGe under
several pressures at 5 K. The solid lines are obtained by the leastsquares calculation for the data.

Fig. 2. Pressure dependence of TC. The solid line is least-squares fit.

type piston cylinder pressure cell.
Figure 1 shows the isothermal M2 vs. H/M plots (Arrottplots) at 5 K under several P. ps at 0.1 MPa was determined
to be 0.41 μB,/f.u. With increasing P, ps decreased, anddlnps/dP was –9.5 × 10-5 /MPa. Fig. 2 shows P dependenceof TC. With increasing P, TC decreased, and dlnTC/dP was–8.2 × 10-5 /MPa. This is probably due to the increase of the
3d-bandwidth and the density of states in the vicinity of the
Fermi level.
References[1] S. Yoshinaga, et al., Physics Procedia 75, 918 (2015).
[2] Y. Takahashi, J. Phys.: Condens. Matter. 13, 6323 (2001).

beam, depending on the plane in which the magnetic field
is rotated. The experimental cell in which the sample wasmounted was cooled by a 3He refrigerator in a superconducting split-type magnet. The field direction is horizontal
and the maximum field strength is 7 T. The magnet can berotated so that the magnetic field direction can be changed by
360 degrees in a plane perpendicular to a vertical axis.
For the electrical circuit, two piezoresistors and two
metal ﬁlm resistors (47 kΩ) constituted a Wheatstone bridge.
The signal which comes out from the electrical circuit isexpressed by the quantity, x ≈ ΔR/Rref (ΔR ≡ Rref - Rcant,where Rref and Rcanti are piezoresistivities of the reference
and the cantilever). This quantity x is proportional to thetorque when x is small, but changes nonlinearly as x becomeslarger [1].
The advantage of this technique is that even if the sample
is very tiny, we can obtain the torque signal. In fact, the massof our sample is approximately 1 μg. This technique is a very
sensitive one.
We carried out magnetic torque measurements for
TPP[Mn(Pc)(CN)2]2, that is isostructural to TPP[Fe(Pc)(CN)2]2. The latter is a well-known molecular conductor
showing the negative giant magnetoresistance. Our motivation is to clarify the magnetic structure for the former
sample. The sample has d4 electrons which behave as a localized magnetic moment with spin S = 1.
The angular dependence of the torque when the magnetic
field is rotated in a plane including c-axis is depicted inFig. 2. The data shows a two-fold symmetry reflecting the
crystal structure. The d electron emerges in the curve, which
is characteristic for the ferromagnetism. However, since thesusceptibility data exhibits the antiferromagnetic behavior,d electron should be interpreted as the canting antiferromag-

Authors
S. Yoshinagaa, Y. Mitsuia, R.Y. Umetsub, Y. Uwatoko, and K. KoyamaaaKagoshima Universityb
Tohoku University

Development of Cantilever Magnetometry
Technique for Organic Samples and Its
Application to TPP[Mn(Pc)(CN)2]2
K. Torizuka, H. Tajima, and Y. Uwatoko
We have developed the cantilever magnetometry
technique to investigate magnetic properties of organic
samples. A commercially available microcantilever for theatomic force microscopy (AFM) was employed. As shownin Fig. 1, our sample was situated at the tip of the cantilever

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ISSP Activity Report 2016

Fig. 2. Torque signal with the field rotated in the plane including c-axis.

netism [2].
On the other hand, when the magnetic field is rotatedin the ab plane, the torque signal shows a saw-tooth wave
form with a four-fold symmetry. It is characteristic for the
antiferromagnetic. Considerations on magnetic properties ofd electrons as well as π electrons are now in progress.
References[1] K. Torizuka et al., Jpn. J. Appl. Phys. 52, 066601 (2013).
[2] K. Torizuka et al., to be published in J. Phys. Soc. Jpn.
Authors
K. Torizuka, H. Tajimaa, and Y. UwatokoaUniversity of Hyogo

Development of Numerical Library Kω ver. 1
and Quantum Lattice Solver HΦ ver. 2
T. Hoshi and Y. Yamaji
The two novel open-source softwares of (i) numericallibrary Kω ver.1 [1] and (ii) quantum lattice solver HΦ ver.2[2] were developed in Project for advancement of software
usability in materials science [3] at the fiscal year of 2016.
The project name is ‘shifted Krylov-subspace algorithm andnovel solvers for computational condensed matter physics’.
The project is an interdisciplinary one between computational material science and applied mathematics. The
softwares are preinstalled on the supercomputer (sekirei) at
ISSP [3]. The two softwares are closely related, because Kω
is a set of numerical linear-algebraic routines and HΦ ver.2
supports the use of Kω in the optical spectrum calculations.
Kω is a general numerical library for the Green’s functionof Gab(ω) = <a | [(E0 + ω + iδ)I − H]-1 | b> , where H is alarge scale complex Hermitian or real-symmetric matrix and|a>, |b> are the input vectors. Traditionally, the problem wassolved by the Lanczos-based algorithm. In the present solver,
instead, the numerical solution is obtained from the linear
equation of [(E0 + ω + iδ)I − H] | x > = | b > and the solutionof | x > is obtained by the novel iterative algorithm, calledshifted Krylov subspace algorithm [4,5]. The algorithm
was used for the excited spectrum of many-body states ina previous paper [5], which motivated us to the present
project. The algorithm enables us to control the accuracyof the spectrum Gab(ω) at a specific frequency ω, when one
monitors the residual vector. The method is general and wasapplied also to many other computational science fields, suchas QCD [4], electronic structure calculations, transport calculation with non-equilibrium Green’s function theory. Kω isa general numerical library and can be called, in principle,
from any material simulator, as well as HΦ ver.2. Moreover,a mini application is included in the package of Kω, so that

Fig. 1. Calculated dynamical structure factors S(Q, ω) of Na2IrO3 [8].
The spectra are vertically shifted depending on Q. The Brillouin zoneof Na2IrO3 is shown in the right panel.

researchers can evaluate the numerical library before the use
in their real researches.
HΦ ver. 2 is the latest version of HΦ [6]. The quantum
lattice solver HΦ is a program package based on exact diagonalization applicable to a broad range of quantum latticemodels, including the Heisenberg model, the Kitaev model,
the Hubbard model and the Kondo-lattice model. In HΦ ver.
1, the Lanczos method for calculating the ground state anda few excited states, thermal pure quantum (TPQ) states [7]for finite-temperature calculations, and full diagonalization
method for checking results of Lanczos and TPQ methods
are implemented with an easy-to-use and flexible user interface. The project in the 2016 fiscal year [3] has supported
implementation of the Lanczos and shifted Krylov-subspacealgorithm for calculating excitation spectra in the latest
version HΦ ver.2. The HΦ ver.2 call subroutines for theshifted Krylov-subspace algorithm from the library Kω.
As an example tractable by HΦ ver.2, we show excitation spectra of an ab initio spin hamiltonian of an iridiumoxides Na2IrO3 [8], which is a so-called Kitaev material anda typical example of frustrated magnets due to magnetic
anisotropy. In Fig.1, dynamical spin structure factors calculated for a 24-site cluster of the ab initio spin hamiltonianof an iridium oxides Na2IrO3 are shown. The continuum inthe spectra is the hallmark of the proximity to the Kitaev’squantum spin liquid. The controlled accuracy of the shifted
Krylov-subspace algorithm safely resolves the detailed
continuum spread over the wide range of frequency, where
the typical exchange energy scale of Na2IrO3 is 30 meV.
References[1] https://github.com/issp-center-dev/Komega[2] https://github.com/QLMS/HPhi[3] http://www.issp.u-tokyo.ac.jp/supercom/softwaredev[4] A. Frommer, BiCGStab(l) for families of shifted linear systems,
Computing 70, 87 (2003).
[5] S. Yamamoto, T. Sogabe, T. Hoshi, S.-L. Zhang and T. Fujiwara,
J. Phys. Soc. Jpn. 77,114713 (2008).
[6] M. Kawamura, K. Yoshimi, T. Misawa, Y. Yamaji, S. Todo,
N. Kawashima, Computer Physics Communications (to be published).
[7] S. Sugiura and A. Shimizu, Phys. Rev. Lett. 108, 240401 (2012).
[8] Y. Yamaji, Y. Nomura, M. Kurita, R. Arita, and M. Imada, Phys.
Rev. Lett. 113, 107201 (2014).
Authors
T. Hoshia, Y. Yamajib, M. Kawamura, K. Yoshimi, T. Misawa, S. Todob,
T. Sogabec, and N. Kawashimaa
Tottori Universityb
The University of Tokyoc
Nagoya University

Structural Characterization of ModuleAssembled Amphiphilic Conetwork Gels
M. Shibayama, S. Kondo, and E. P. Gilbert
Amphiphilic conetworks are composed of hydrophilic and hydrophobic polymers. Their amphiphilicity is
promising for many applications because amphiphilic conetworks can absorb both polar and nonpolar solutes. This isuseful for drug delivery, drug release systems, antifouling
coatings, gas and biosensors, chiral separation membranes,
activating carriers for biocatalysts, and soft contact lenses.
We developed inhomogeneity-free amphiphilic conetworks
consisting of poly(ethylene glycol)−poly(dimethylsiloxane)(PEG−PDMS) and carried out structural analysis by thecomplementary use of small-angle X-ray (SAXS) andneutron scattering (SANS). Figure 1 shows the preparation

ISSP Activity Report 201631

Fig. 1. Schematics of sample preparation for PEG−PDMS gels withr = 0.5. Light blue, dark blue, and red segments represent tetra-armPEG, linear-PEG, and linear-PDMS units, respectively. In toluene, thegels are in swollen state, while they undergo microphase separation inwater due to shrinking of the PDMS chains.

scheme of PEG−PDMS gels. The main components were
two types of tetra-arm PEGs; −COO-NHS terminated PEG(NHS: N-hydroxysuccinimide) and −NH2 terminated PEG.
In addition, the weight fraction of PDMS in the conetworks,r, was tuned by using −NH2 terminated linear-PEG. By using
equimolar prepolymers carrying −COO-NHS and −NH2, aprecise tuning of PDMS content rate was achieved. Becauseof the hydrophobicity of PDMS units, the PEG−PDMS gels
exhibit a microphase-separated structure in water. Figure 2
shows the SANS profiles of swollen PEG−PDMS gelswith various solvents. The SANS profiles exhibited marked
changes depending on the solvent; from a monotonous
decrease without peak for toluene to multiple peaks forwater.
Depending on the volume fraction of PDMS, the microphase-separated structure varies from core−shell to lamellar.
The obtained SAXS and SANS profiles are reproduced wellusing a core−shell model together with a Percus−Yevick
structure factor when the volume fraction of PDMS is small.
The domain size is much larger than the size of individual
PEG and PDMS unit, and this is explained using the theoryof block copolymers. Reflecting the homogeneous dispersion conditions in the as-prepared state, scattering peaks areobserved even at a very low PDMS volume fraction (0.2 %).
When the volume fraction of PDMS is large, the microphaseseparated structure is lamellar and is demonstrated to be
kinetically controlled by nonequilibrium and topologicaleffects. The microphase separation in the PEG−PDMS gels
is illustrated schematically in Figure 3. It is clarified thatthe microphase-separated structure is tunable by changing
the molecular weight of PEG and PDMS and their proportion. This may open the door for the precise design of themesoscopic structure of amphiphilic gels.

Fig. 2. SANS profiles of PEG−PDMS gels (r = 1) with different
solvents. The ratios of toluene/MeOH and MeOH/water are both 1/1(volume fraction). By decreasing the solubility of PDMS, the gels
undergo microphase separation, giving rise to distinct peaks in SANS.

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ISSP Activity Report 2016

Fig. 3. Proposed phase separation mechanism during solvent substitution from toluene, methanol, to water. The morphology is dependent on
the ratio of PEG and PDMS as well as their molecular weights.
Reference[1] T. Hiroi, S. Kondo, T. Sakai, E. P. Gilbert, Y. S. Han, T. H. Kim, and
M. Shibayama, Macromolecules 49, 4940 (2016).
Authors
T. Hiroi, S. Kondoa, T. Sakaia, E. P. Gilbertb, Y. S. Hanc, T. H. Kimc,
and M. Shibayamaa
The University of Tokyob
Australian Nuclear Science and Technology Organizationc
Korea Atomic Energy Research Institute

Magnetoelectric Behavior in a Chiral
Antiferromagnet Ba(TiO)Cu4(PO4)4
Y. Kato, K. Kimura, and A. Miyake
A unique asymmetric magnetic unit, square cupola (seeFig. 1), has been realized in newly synthesized magnetoelectric compounds, A(TiO)Cu4(PO4)4 (A = Ba, Sr) [1]. Spatial
asymmetry often activates the asymmetric interactions
between localized spins through the relativistic spin-orbit
coupling, e.g., the Dzyaloshinskii-Moriya (DM) interaction.
The asymmetric interactions lead to intriguing magnetism
such as spin-spiral orderings and skyrmion crystals. They
have attracted growing interest as an origin of unusual
magnetic and electronic properties, such as the magnetoelectric (ME) effect, that is cross-correlations between magnetism and dielectricity. The compound Ba(TiO)Cu4(PO4)4indeed exhibits a divergent anomaly of the dielectric constantat the Néel temperature (TN = 9.5 K) [2].
Here we report the ME properties of this compoundFig. 1. Square cupolas made of Cu4O12 in A(TiO)Cu4(PO4)4 (A = Ba,
Sr). The materials have a quasi-two-dimensional structure, composed ofan alternating array of upward and downward Cu-cupolas.

arising from the spin-orbit coupling. The present study could
inspire motivation on the material design for ME-active
materials composed of such asymmetric units.
References[1] K. Kimura, M. Sera, and T. Kimura, Inorg. Chem. 55, 1002 (2016).
[2] K. Kimura, P. Babkevich, M. Sera, M. Toyoda, K. Yamauchi, G. S.
Tucker, J. Martius, T. Fennell, P. Manuel, D. D. Khalyavin et al., Nat.
Commun. 7, 13039 (2016).
[3] Y. Kato, K. Kimura, A. Miyake, M. Tokunaga, A. Matsuo, K.
Kindo, M. Akaki, M. Hagiwara, M. Sera, T. Kimura, and Y. Motome,
Phys. Rev. Lett. 118, 107601 (2017).
Authors
Y. Kato a, K. Kimura b, A. Miyake, T. Kimurab, M. Hagiwara b,
M. Tokunaga, K. Kindo, and Y. Motomeaa
The University of Tokyob
Osaka University

Evidence of Charge Transfer
and Orbital Magnetic Momentin the Multiferroic CuFeO2
Y. Narumi, T. Nakamura, and H. Ikeno
Fig. 2. (a) Magnetization curves in the experiment at T = 1.4 K. The
arrows indicate the jump-like anomalies. (b) Magnetization curvesof the minimal theoretical model obtained by the cluster mean-fieldapproach. (c,d) Magnetic field dependence of the anti-ferroelectric
polarization (PAF) for (c) B || [001] and (d) B || [100]. The electric
polarization is computed based on the exchange striction mechanism.
All the data are taken from Ref. [3].

by a combined experimental and theoretical study [3]. The
magnetization is measured up to the external magnetic field
above the saturation at the temperature far below TN (T =1.4 K) at the International MegaGauss Science Laboratoryof the Institute for Solid State Physics at the University ofTokyo. As shown in Fig. 2(a), the magnetization curves
exhibit the field-direction dependence with several jumplike anomalies, indicating the importance of the spin-orbit
coupling. For understanding the unusual behavior, weconstruct a minimal theoretical model and study the groundstate and finite-temperature properties of the model. In thecompound, because of the loss of inversion symmetry at thecenters of bonds connecting the nearest neighbor Cu cations
having S = 1/2 degrees of freedom, the DM interaction
between the nearest neighbor spins is activated. Taking into
account the DM interaction in the model and solving it by
the cluster mean-field approximation, we successfully reproduce the entire magnetization curves, as shown in Fig. 2(b),especially, the directional dependence of the saturation fields
and the critical fields of the jump-like anomalies. We showthat the anomalies are explained by ME phase transitions
associated with the noncollinear antiferromagnetic orderingand the antiferroelectric ordering. (See Figs. 2(c) and 2(d).)
Moreover, our theory also explains the scaling of the dielectric anomaly at the Néel temperature observed in the experiments.
By further analysis of the model, we elaborate the ME
phase diagram of the model by changing the magnetic field
and the temperature. The results clarify the crucial role ofthe in-plane component of the DM vector. We also predicta “hidden” phase and ME response in a nonzero magnetic
field, both of which await the experimental confirmation.
Our results demonstrate how the asymmetric magnetic units
activate the ME responses through the DM interactions

Original meaning of “multiferroics” is coexistence of“multiple” and “ferroic” ordered states. However, nowadays,
multiferoics is commonly recognized as phenomena
involving antiferroic properties such as antiferromagnetic.
As a result, multiferroics comes to have diversity in functionality, such as magnetic-field-control of ferroelectricity. The
triangular lattice antiferromagnet CuFeO2 (abbreviated toCFO) shows ferroelectricity in a finite magnetic field [1].
Nominal oxidation state of Fe is Fe3+ (3d5) with spin S = 5/2
and with orbital singlet L = 0. Therefore a classical orderedstate is expected to be a noncollinear 120 degrees spinarrangement. However, in reality, CFO shows a 4-sublattice collinear magnetic ordering below 11 K by forming ascalene triangle, because of the geometrical frustration anda spin-lattice coupling. By an application of magnetic field,
CFO shows successive magnetization jumps, although nomagnetic anisotropy is expected. The ferroelectricity can be
explained by a recently proposed mechanism, d-p hybridization, in which a spin-dependent charge transfer (CT) between
the transition metal and the ligand is essential [2].
The aim of the present study is to clarify the local
electronic state of CFO, which should play an important roleFig. 1. Experimental (blue solid line) and theoretical (red open circle)
XAS's of Fe L2,3-edge of CFO at 6 K without magnetic field. The data
are offset and amplified by a numerical factor so as to scale them at thepre-edge and the maximum of L3-edge.

ISSP Activity Report 201633

in the ferroelectricity and the magnetic anisotropy. For thatreason, we performed x-ray magnetic circular dichroism(XMCD) measurements in high magnetic fields at SPring-8/
BL25SU [3]. By tuning an incident energy to the absorption
edge of a specific magnetic ion, XMCD gives us the spinand orbital magnetic moments of the ions independently.
Moreover the x-ray absorption spectrum (XAS) is sensitive to the valence state of the ion. Therefore we are able toinvestigate both magnetic and electronic properties from themicroscopic point of view. The ultra-high vacuum chamberequipped with a pulse magnet was developed in collaboration
with Tohoku University, SPring-8, and University of Tokyo.
This is the unique soft x-ray spectrometer reaching 40 T in
the world.
Figure 1 shows the comparison between the experimental
XAS of Fe L2,3-edge at 6 K and the ab-initio multiplet calculation at 0 T. The broadness of the experimental XAS is notdue to resolution. It is because that there is a restriction of
the number of the electronic configurations in the calculations. There is unignorable discrepancy with respect to theenergy split between main A2 and satellite A1 peaks. Thisis also due to the same reason as the fine structures in thetheoretical calculation. Although nominal valence of Fe is
Fe3+, an addition of a small amount of Fe4+ component leads
to a better agreement than the theoretical XAS of only Fe3+.
Figure 2 represents experimental results of Fe L2,3-edge
XMCD at 15.1 T and corresponding energy-integral. By
analysis based on sum rule, the ratio of spin (ms) to orbital(mo) magnetic moments was determined to be ms/mo =-0.071. That is, the ms and mo point in the opposite direction
to each other.
According to Hund's rules, the antiparallel configuration of the ms and mo leads to the fact that the 3d electronic
configuration of Fe should be less than half-filled. In otherwords, we can say that Fe4+ (3d4) state exists. From theviewpoint of charge compensation among ions, presenceof Fe4+ ion needs a CT from somewhere. Accordingly, wemeasured XAS of Cu L2,3-edges and related compounds forcomparison. Surprisingly, it turned out that the valence stateof Cu is similar to neither that of Cu+ nor that of Cu2+, butthat of Cu metal. This gives a new insight that it is importantto take into consideration for correlation between Fe and Cu
as well as oxygen in order to fully understand ferroelectricand magnetic properties of CFO.

Fig. 2. Experimental XMCD of Fe L2,3-edges at 15.1 T (blue solid linewith solid circle) and integration of it (red dashed line). According to
Sum rule, the ratio of spin to orbital magnetic moments is given by
ms/mo = 2q/(9p - 6q). The numerical values of p and q indicated byarrows are the integrals of the XMCD over the L3 and the whole L2,3
absorption regions, respectively.

34

ISSP Activity Report 2016

References[1] T. Kimura, et al., Phys. Rev. B 73, 220401(R) (2006).
[2] T. Arima, J. Phys. Soc. Jpn. 76, 073702 (2007).
[3] Y. Narumi, et al., J. Phys. Soc. Jpn. 85, 114705 (2016).
Authors
Y. Narumia, T. Nakamurab, H. Ikenoc, N. Teradad, T. Moriokaa,
K. Saitoa, H. Kitazawad, K. Kindo, and H. NojiriaaTohoku Universityb
SPring-8cOsaka Prefecture UniversitydNational Institute for Materials Science

High-field Magnetization Study of theS = 1/2 Kagome Lattice Antiferromagnet
CaCu3(OH)6Cl2·0.6H2O
H. Yoshida, Y. Narumi, and M. Hagiwara
Seeking the quantum spin liquid state has been oneof the central issues of the condensed matter physics.
Various theories expected to realize the quantum spin liquidstate on the Kagome lattice antiferromagnet owing to thestrong frustration and the quantum fluctuation. Recently,
the appearance of non-trivial magnetization plateaus at(2n + 1)Ms/9 for the S = 1/2 Kagome lattice antiferromagnet
was predicted by the grand canonical DMRG [1] and Tensor
network method [2], and thus the study of the magnetization curves of the Kagome lattice antifferomagnet has beenof significant interest. However, the lack of appropriate
model compounds is one of the difficulties to understand themagnetic properties of Kagome lattice antiferromagnet in thehigh magnetic fields.
Recently, we have succeeded to prepare the single
crystal of S = 1/2 Kagome lattice antiferromagnet
CaCu3(OH)6Cl2·0.6H2O which has the perfect Kagome
lattice without an anti-site disorder [3]. This compound
possesses magnetic interactions of the nearest neighborinteraction J1, and the next nearest neighbor J2, and the Jd
across the hexagon as shown in the inset of Fig. 1. Thus, anemergence of a novel magnetic state on the Kagome lattice
is expected by the competition of the magnetic interactions.
In this study, we report on magnetic properties of the single
crystal of CaCu3(OH)6Cl2·0.6H2O revealed by the magnetic
susceptibility, heat capacity, and high-field magnetization
measurements [3].

Fig. 1. The magnetization curves measured on the single crystal of
CaCu3(OH)6Cl2·0.6H2O at 1.4 K up to the magnetic field of 71 T. The
dashed line is the guide to the eye for the 1/3 magnetization of thesaturation moment of S = 1/2. The inset shows the schematic illustration of the Kagome layer of CaCu3(OH)6Cl2·0.6H2O with the magnetic
interactions J1, J2, and Jd.

The magnetic interactions of antiferromagnetic J1 =52.2 K, Jd = 11.9 K, and ferromagnetic J2 = −6.9 K wereextracted from the 9th order high temperature series expansion analysis. The magnetic susceptibility and the heat
capacity measurements indicated that an occurrence of an
unusual magnetic transition at T* = 7.2 K where only theχab showed the cusp and the heat capacity exhibited the tiny
peak anomaly. The cusp in the χab disappeared above around
5 T, and it exhibited temperature independent behavior
below T*. Remarkably, in spite of the fact that the compoundis an insulator, the temperature-linear term 5.9 mJ/CumolK2
at H = 0 T was observed in the heat capacity which was
suppressed by the magnetic field around 10 T. This suggeststhat the unconventional magnetic excitation underlies on the
ground state of CaCu3(OH)6Cl2·0.6H2O [3].
Figure 1 shows the magnetization curves for both
H // ab-plane and H // c-axis at 1.4 K up to 71 T. The magnetization along the c-axis increases monotonously. In contrast,
a slope of the curve for H // ab-plane becomes small above
5 T which may correspond to the disappearing of the cusp inχab and the T-linear term in the magnetic field, and one canclearly see the upward convex feature above the 5 T anomaly.
No meta-magnetic transitions and magnetization plateau at
Ms /9 and Ms/3 for both directions were found. This may be
attributed to the effect of the magnetic interactions J2 andJd which has not been considered in the theoretical calculations[1,2]. In order to clarify the magnetic properties of theS = 1/2 ideal Kagome lattice antiferromagnet, the magnetization measurement in the much higher field, microscopic
measurements such as high-field ESR and theoretical investigation are required.
References[1] S. Nishimoto et al., Nature Communs., 4, 2287 (2013).
[2] T. Picot et al., Phys. Rev. B, 93, 060407(R) (2016).
[3] H. Yoshida et al., J. Phys. Soc. Jpn., 86, 033704 (2017).
Authors
H. Yoshidaa, N. Noguchia, M. Odaa, T. Kidab, Y. Narumib, and
M. Hagiwaraba
Hokkaido Universityb
Osaka University

A Compact Permanent-Magnet System for
Measuring Magnetic Circular Dichroism inResonant Inelastic Soft X-Ray Scattering
J. Miyawaki, S. Suga, and Y. Harada
Resonant inelastic X-ray scattering (RIXS), especially
soft X-ray RIXS (SX-RIXS), has made remarkable progressin energy resolution over the past few decades in conjunction with the improvement of the performance of synchrotron radiation sources and the advancements in the RIXS
instrumentation. Accordingly, RIXS has come to occupy
an important position in X-ray spectroscopy techniques forinvestigating the bulk electronic structures. The photon-in/
photon-out process adds to RIXS the distinctive featurethat the electronic structure can be measured even in anelectronic and/or magnetic field. Regarding the use of themagnetic field for RIXS, magnetic circular dichroism (MCD)in RIXS (RIXS-MCD) has intensively been used to extractspin-resolved valence band excitations. In addition to all thefeatures inherited from RIXS itself, RIXS-MCD of dd excitations that can easily be separated by the use of the latest

Fig. 1. Schematic representation and photographs of the magnet systemand experimental setup. (a) Schematic representation and (b) photographs of the magnetic circuit. The magnets are fixed by a screw witha through-hole for the X-ray beam. (c) Experimental configuration of
RIXS-MCD at the HORNET end-station in SPring-8 BL07LSU when
the angle of the magnetic field is set at 45° to the incident X-ray.

high-energy-resolution RIXS apparatus can provide magnetic
information for each localized d orbital. With these advantages, RIXS-MCD is becoming a very promising technique,and is expected to be successfully applied to new functional
materials in which spins play important roles, such as multiferroics and those to be used for spintronic devices. In orderto demonstrate the significance of RIXS-MCD with highenergy resolution and encourage its wider use, it is highly
desired that RIXS-MCD experiments can be performed as acommon tool at any RIXS end-station in worldwide synchrotron radiation facilities. Therefore, we developed a compact
and portable magnet system for RIXS-MCD composed of
Nd-Fe-B permanent magnets which can generate a magnetic
field of ~0.25 T [1].
Figures 1(a) and 1(b) display a schematic drawing andphotographs of the originally-designed magnetic circuit. The
magnetic circuit consists of Nd-Fe-B magnets, a horseshoeshaped yoke, truncated cone poles, and two supports. The
Nd-Fe-B magnets are the source of the magnetic field.
The horseshoe-shaped yoke and truncated cone poles are
made of Fe, and functions to focus the magnetic fields.
The two supports are made of brass, and function to resist
the attractive force between the magnets. The overall sizeof the magnetic circuit is within φ65 mm so that it can beinstalled through and mounted on the most commonly used
4-1/2 inch-diameter ConFlat® flange. This compact designof the magnetic circuit allows it to be installed without any
modification to the existing vacuum chambers and opticalsystems for RIXS. Figure 1(c) is a schematic representationof the experimental configuration in a vacuum chamber using
this magnet system at the HORNET end-station in SPring-8
BL07LSU.
We have demonstrated the capability of the present
magnet system for RIXS-MCD. Figure 2 shows X-ray
magnetic circular dichroism (XMCD) and RIXS-MCD of

ISSP Activity Report 201635

Fig. 2. Fe L-edge XMCD and RIXS-MCD spectra of an α-Fe2O3(111)single crystal. (a) Sketch of the experimental configuration with theorientation of the spin. The magnetic field is parallel to the incident
X-ray and the incident angle is 10° from the sample surface. Yellow
arrows on the α-Fe2O3(111) sample represent the direction of theantiferromagnetically coupled and canted spin moments on the (111)plane. (b) Fe L2,3-edge XAS spectra measured by circularly polarized
X-rays with the XMCD spectrum. (c) RIXS-MCD spectra measured at
hv = 713.25 eV indicated by a vertical line in (b).

weak ferromagnetism in α-Fe2O3. We measured XMCD and
RIXS-MCD in the grazing incidence geometry as shown in
Fig. 2(a). No discernible signal was detected in its XMCD
spectrum [Fig. 2(b)]. This is because the net magnetic
moment owing to the weak ferromagnetism is too small to be
detected. Figure 2(c) exhibits the RIXS-MCD spectra excitedat the charge-transfer satellite as indicated by the solid line in
Fig. 2(b). RIXS-MCD was clearly observed at 1.8 and 4.85
eV loss energies, which are assigned to a dd excitation anda charge-transfer transition, respectively. Thus, RIXS-MCD
was clearly observed by high-energy-resolution RIXS,
though XMCD was not observed. These results confirmedthat the observed RIXS-MCD was induced by the RIXS
process, via the different relaxation probabilities of polarized valence electrons to polarized core holes created by thecircularly polarized X-rays. These results suggest that more
useful bulk information about the ground-state spin state canbe obtained by using RIXS-MCD.
Reference[1] J. Miyawaki, S. Suga, H. Fujiwara, H. Niwa, H. Kiuchi, and
Y. Harada, J. Synchrotron Rad. 24, 449 (2017).
Authors
J. Miyawaki, S. Suga a, H. Fujiwara a, H. Niwa, H. Kiuchi, and
Y. HaradaaOsaka University

36

ISSP Activity Report 2016

ISSP Activity Report 201637

Progress of Facilities
Supercomputer Center
The Supercomputer Center (SCC) is a part of theMaterials Design and Characterization Laboratory (MDCL)of ISSP. Its mission is to serve the whole community ofcomputational condensed-matter physics of Japan providing
it with high performance computing environment. In particular, the SCC selectively promotes and supports large-scalecomputations. For this purpose, the SCC invites proposals forsupercomputer-aided research projects and hosts the Steering
Committee, as mentioned below, that evaluates the proposals.
The ISSP supercomputer system consists of two subsystems: System B, which is intended for more nodes withrelatively loose connections. In July, 2015, the SCC replaced
the two supercomputer subsystems (SGI Altix ICE 8400EX
and NEC SX-9) with one new system (System B, SGI ICEXA/UV hybrid system). The system B consists of 1584 CPU
nodes, 288 ACC nodes, and 19 FAT nodes. The CPU node
has 2CPUs (Intel Xeon). The ACC node has 2CPUs (IntelXeon) and 2GPUs (NVIDIA Tesla K40). The FAT node has
4CPUs (Intel Xeon) and large memory (1TB). The system B
has totally 2.6 PFlops theoretical peak performance.
System C - FUJITSU PRIMEHPC FX10 was installedin April, 2013. It is highly compatible with K computer,the largest supercomputer in Japan. System C consists of
384 nodes, and each node has 1 SPARC64TM IXfx CPU(16 cores) and 32 GB of memory. The system C has totally
90.8 TFlops.
The hardware administration is not the only functionof the SCC. Since 2015, the SCC has started “Project foradvancement of software usability in materials science”. In
this project, for enhancing the usability of the ISSP supercomputer system, we perform some software-advancement

Class

Max Points

Application

System B

System C

A

100

100

any time

B

1k

500

C

10k

D
E

activities such as implementing a new function to an existing
code, releasing a private code on Web, and writing manuals.
Two target programs were selected in fiscal year 2016 anddeveloped software were released as Komega (Kω) andmVMC. The SCC has also started a service for porting
users’ materials science software to General Purpose GPUs
(GPGPU) since 2015. Three programs were selected for the
GPGPU porting in fiscal year 2016.
All staff members of university faculties or publicresearch institutes in Japan are invited to propose research
projects (called User Program). The proposals are evaluatedby the Steering Committee of SCC. Pre-reviewing is doneby the Supercomputer Project Advisory Committee. In fiscal
year 2016, a total of 244 projects were approved. The total
points applied and approved are listed on Table. 1 below.
Additionally, we supported post-K and other computational
materials science projects through Supercomputing Consortium for Computational Materials Science (SCCMS).
The research projects are roughly classified into thefollowing three (the number of projects approved):
First-Principles Calculation of Materials Properties (117)
Strongly Correlated Quantum Systems (30)
Cooperative Phenomena in Complex, Macroscopic
Systems (97)
All the three involve both methodology of computationand its applications. The results of the projects are reported
in 'Activity Report 2016' of the SCC. Every year 3-4 projects
are selected for “invited papers” and published at the beginning of the Activity Report. In the Activity Report 2016, thefollowing three invited papers are included:

Numberof
Projects

Total Points
AppliedApproved

System B

System C

System B

System C

9

0.9k

0.9k

0.9k

0.9k

twice a year

50

41.7k

8.2k

29.1k

7.2k

2.5k

twice a year

166

1387.8k

164.7k

679.0k

126.7k10k

2.5k

any time

7

59.0k

5.0k

33.3k

3.0k

30k

2.5k

twice a year12

350.0k

30.0k219.5k

26.5k

twice a year

0

0

0

0

0

S
SCCMS

32

218.9k

103.5k

218.9k

103.5kTotal

276

2058.3k

312.3k

1180.7k

267.8kTable 1. Research projects approved in 2016
The maximum points allotted to the project of each class are the sum of the points for the two systems; Computation of one node for 24 hours corresponds to one points for the CPU nodes of System B and System C. The
FAT and ACC nodes require four and two points for a 1-node 24-hours use, respectively.

38

ISSP Activity Report 2016

"Development of First-Principles Simulation ofMaterial Structure and Electronic Properties", Shinji
TSUNEYUKI"Massively parallel Monte Carlo simulation of a possible
topological phase transition in two-dimensional frustrated
spin systems", Tsuyoshi OKUBO""Irreversible Markov-Chain Monte Carlo methods", Koji
HUKUSHIMA"

Neutron Science Laboratory
The Neutron Science Laboratory (NSL) has been playing
a central role in neutron scattering activities in Japan since
1961 by performing its own research programs as well as
providing a strong General User Program for the universityowned various neutron scattering spectrometers installedat the JRR-3 (20MW) operated by Japan Atomic Energy
Agency (JAEA) in Tokai. In 2003, the Neutron Scattering
Laboratory was reorganized into the Neutron Science
Laboratory to further promote the neutron science withuse of the instruments in JRR-3. Under the General User
Program supported by NSL, 14 university-group-owned
spectrometers in the JRR-3 reactor are available for a wide
scope of researches on material science, and proposals close
to 300 are submitted each year, and the number of visiting
users under this program reaches over 6000 person-day/year.
In 2009, NSL and Neutron Science Laboratory (KENS),
High Energy Accelerator Research Organization (KEK)
built a chopper spectrometer, High Resolution Chopper
Spectrometer, HRC, at the beam line BL12 of MLF/J-PARC(Materials and Life Science Experimental Facility, J-PARC).
HRC covers a wide energy and Q-range (10μeV < ħω < 2eV
and 0.02Å-1 < Q < 50Å-1), and therefore becomes complementary to the existing inelastic spectrometers at JRR-3.
HRC started to accept general users through the J-PARC
proposal system in FY2011.
Triple axis spectrometers, HRC, and a high resolution powder diffractometer are utilized for a conventional
solid state physics and a variety of research fields on hardcondensed matter, while in the field of soft-condensed matterscience, researches are mostly carried out by using the small
angle neutron scattering (SANS-U) and/or neutron spin echo
(iNSE) instruments. The upgraded time-of-flight (TOF)
inelastic scattering spectrometer, AGNES, is also available
through the ISSP-NSL user program.
Scientific outputs from HRC in FY2016 covers wide
range in magnetism and strongly correlated electrons. Oneof the research highlights is the observation of the crystal
field excitation in breathing pyrochlore antiferromagnet
Ba3Yb2Zn5O11 [1]. Combination of position sensitive detectors in wide scattering angle and strong neutron flux in wide
energy range enables the effective measurement of neutron
structure factor S(Q, ħω) as shown in Fig. 1. Well-defined
excitations are observed at 38.2, 55.0 and 68.3 meV. They are
the crystal field excitations of Yb3+ ions having four Kramers
doublets. The detailed analysis identified the parameters of
the crystal field Hamiltonian having C3v symmetry and determined the eigenstate of the ground state. The anisotropy ofthe effective spin 1/2 of the ground state was estimated. The
information was indispensable for the further study of thebreathing pyrochlore in the low-energy dynamics [2].
Technical progress of HRC spectrometer was the development of high pressure environment. Cylinder-type cellFig. 1. Inelastic neutron spectra measured by HRC spectrometer at (a)3 K, (b) 200 K, and (c) 300 K. The arrows indicate the crystal field
excitations of Yb3+ ion. Dominant excitations in the low energy range
are from phonon.

made of CuBe alloy was designed by Prof. Uwatoko. The
volume for the sample space is 5 mm in diameter and 20
mm in length. The maximum pressure is 1.4 GPa. The
measurement was performed on 0.4g of CsFeCl3 sample.
1 K cryostat was used to achieve 0.7 K, and the power of
the J-PARC operation was 150 kW. Well-defined spin wave
was successfully measured in the pressure-induced magnetic
phase in CsFeCl3.
The NSL also operates the U.S.-Japan Cooperative
Program on neutron scattering, providing further research
opportunities to material scientists who utilize the neutron
scattering technique for their research interests. In 2010,
relocation of the U.S.-Japan triple-axis spectrometer, CTAX,
was completed, and it is now open to users.
http://neutrons.ornl.gov/instruments/HFIR/CG4C/[1] T. Haku et al., J. Phys. Soc. Jpn. 85, 034721 (2016).
[2] T. Haku et al., Phys. Rev. B 93, 220407(R) (2016).

ISSP Activity Report 201639

International MegaGauss
Science Laboratory
The objective of this laboratory (Fig. 1) is to study thephysical properties of solid-state materials (such as semiconductors, magnetic materials, metals, insulators, superconducting materials) under ultra-high magnetic field conditions.
Such a high magnetic field is also used for controlling the
new material phase and functions. Our pulse magnets, atmoment, can generate up to 87 Tesla (T) by non-destructive
manner, and from 100 T up to 760 T (the world strongest as
an in-door record) by destructive methods. The laboratoryis opened for scientists both from Japan and from overseas,
especially from Asian countries, and many fruitful results are
expected to come out not only from collaborative research
but also from our in-house activities. One of our ultimate
goals is to provide the scientific users as our joint researchwith magnets capable of a 100 T, millisecond long pulses ina non-destructive mode, and to offer versatile physical precision measurements. The available measuring techniques now
involve magneto-optical measurements, cyclotron resonance,
spin resonance, magnetization, and transport measurements.
Recently, specific heat and calorimetric measurements arealso possible to carry out with sufficiently high accuracy.
Our interests cover the study on quantum phase transitions (QPT) induced by high magnetic fields. Field-induced
QPT has been explored in various materials such as quantum
spin systems, strongly correlated electron systems and othermagnetic materials. Non-destructive strong pulse magnets
are expected to provide us with reliable and precise solid

Building C
Room
101-113

Building C
Room 121

Fig. 1. Signboard at the entrance of the IMGSL.

Alias

Type

Bmax

Pulse width
BorePower source

Applications

OthersElectro- Magnetic
Flux Compression

destructive

1000 T(underdevelopment)

μs
10 mm

5 MJ, 50 kV
2 MJ, 50 kV

Magneto-Optical
Magnetization

5K–
Room temperature

Horizontal
Single-Turn Coildestructive

300 T
200 T

μs
5 mm
10 mm

0.2 MJ, 50 kV

Magneto-Optical measurements
Magnetization

5 K – 400 K

VerticalSingle-Turn Coildestructive

300 T
200 T

μs
5 mm
10 mm

0.2 MJ, 40 kV

Magneto-Optical
Magnetization

2K–
Room temperature

0.9 MJ, 10 kV

Magneto-Optical measurements
Magnetization
Magneto-Transport
Hall resistance
Polarization
Magneto-Striction
Magneto-Imaging
TorqueMagneto- Calorimetry
Heat Capacity

60 T
Building C
Room
114-120

state physics measurements. The number of collaborative
groups for the research is almost 75 in the FT of 2016.
A 210 MJ flywheel generator (Fig. 2), which is the world
largest DC power supply (recorded in the Guinness Book ofWorld Records) has been installed in the DC flywheel generator station at our laboratory, and used as an energy sourceof super-long pulse magnets. The magnet technologies areintensively devoted to the quasi-steady long pulse magnet (anorder of 1-10 sec) energized by the giant DC power supply.
The giant DC power source will also be used for the giant
outer-magnet coil to realize a 100 T nondestructive magnet
by inserting a conventional pulse magnet coil in its center
bore.

40 ms
18 mm

Mid-Pulse Magnet Non-destructive
70 T

40 ms
10 mm

PPMS

Steady State

14 T

ResistanceHeat Capacity

MPMS

Steady State

7T

Magnetization

87 T(2-stage pulse)

5 ms
10 mm

Short-Pulse Magnet Non-destructive
85 T

Building K
Long-Pulse Magnet Non-destructive

43.5 T

ISSP Activity Report 2016

Down to 0.3 K

Magnetization
Magneto-Transport

2K–
Room temperature

210 MJ, 2.7 kVResistance
Magneto-Calorimetry

2K–
Room temperature

Table 1. Available Pulse Magnets, Specifications

40

Lowest temperature
0.1 K

0.5 MJ, 20 kV
5 ms
18 mm
1s
30 mm

Independent
Experiment in 5 site

Fig. 4. Schematic picture of the H-type single-turn coil equipped with
50 kV, 200 kJ fast operating pulse power system, capable of generating
300 T within 3 mm bore coil.

Fig. 2. The building for the flywheel generator (left hand side) and along pulse magnet station (right hand side). The flywheel giant DC
generator is 350 ton in weight and 5 m high (bottom). The generator,
capable of a 51 MW output power with the 210 MJ energy storage, isplanned to energize the long pulse magnet generating 100 T without
destruction.

Magnetic fields exceeding 100 T can only be obtainedwith destruction of a magnet coil, where ultra-high magnetic
fields are obtained in a microsecond time scale. The project,financed by the ministry of education, culture, sports,science and technology aiming to generate 1000 T withthe electromagnetic flux compression (EMFC) system(Fig. 3), has been proceeded. Our experimental techniques
using the destructive magnetic fields have intensively beendeveloped. The system which is unique to ISSP in the world
scale is comprised of a power source of 5 MJ main condenserbank and 2 MJ condenser bank. Two magnet stations areconstructed and both are energized from each power source.
Both systems are fed with another 2 MJ condenser bankused for a seed-field coil, of which magnetic flux is to becompressed. The 2 MJ EMFC system is currently under theprocess for optimizing several mechanical and electricalparameters such as dimensions of coils and liners. And so
far, generation of 450 T was successfully done using 1.6 MJ
energy. The 5 MJ EMFC system is under conditioning themain gap switches by finely tuning control parameters. As

Fig. 3. (Build. C) A view of the electro-magnetic flux compression
1000 T-class megagauss generator set in side of an anti-explosive house.
1000 T project started since 2010, and finally condenser banks of 9 MJ
(5 MJ + 2 MJ +2 MJ) as a main system with the 2 MJ sub bank system
for the seed field have been installed, and settled in the year of 2014.

an easy access to the megagauss science and technology, we
have the single-turn coil (STC) system capable of generating
the fields of up to 300 T by a fast-capacitor of 200 kJ. We
have two STC systems, one is a horizontal type (H-type,Fig. 4) and the other is a vertical type (V-type). Various kindsof laser spectroscopy experiments such as the cyclotron
resonance and the Faraday rotation are possible using theH-type STC.

Center of Computational
Materials Science
The goal of the materials science is to understand andpredict properties of complicated physical systems with avast number of degrees of freedom. Since such problems
cannot be solved with bare hands, it is quite natural to use
computers in materials science. In fact, computer-aided
science has been providing answers to many problems
ranging from the most fundamental ones to the ones withdirect industrial applications. In the recent trends of the
hardware developments, however, the growth of computer
power is mainly due to the growth in the number of the units.
This fact thrusts a very challenging problem before us --how can we parallelize computing tasks? In order to solve
this problem in an organized way, we coordinate the use of
the computational resources available to our community,
and support community members through various activities
such as administrating the website "MateriApps" for information on application software in computational science.

Fig. 1. Members of CCMS.

ISSP Activity Report 201641

These activities are supported by funds for various governmental projects in which CCMS is involved. In particular,
we are acting as the headquarters of Priority Area 7 of
MEXT FLAGSHIP2020 Project (so-called "post-K computer
project"). In addition to this, CCMS is involved in Priority
Area 5 and Pioneering Area (CBSM2) of FLAGSHIP2020
project, Element Strategy Initiative, and Professional Development Consortium for Computational Materials Scientists(PCoMS).
The following is the selected list of meetings organized
by CCMS in SY2016:• 06/27-07/15 International Workshop and Symposia on
Tensor-Networks and Quantum Many-Body Problems(TNQMP2016) (ISSP)• 07/21-07/22 Post-K Priority Area 7 Symposium(Koshiba Hall, Hongo, Tokyo)• 07/26 CCMS Hands-On: HΦ
• 08/30 TIA Kakehashi Poster Meeting (U. Tokyo satellite
campus at Kashiwa)• 09/01 Symposium on National Experimental Facilities
and Supercomputers (Akihabara)• 09/02 Symposium on industrial application of
K-computer (Akihabara)• 09/08 CCMS Hands-On: xTAPP (RIST, Kobe)• 09/09 Post-K Pioneering Area (Challenge of Basic
Science) Kickoff Meeting (Sendai)• 10/04 RIST Materials Workshop (Akihabara)• 10/05 Post-K Pioneering Area (CBSM2) Group D
Meeting (Kashiwa)• 10/11 TIA Symposium• 10/21 RIST Symposuim (Tokyo)• 11/14 Post-K Priority Area 7: Forum for industryacademia-government collaboration (Tokyo)• 11/28 Post-K Priority Area 7: Group G Informal Meeting(Chofu, Tokyo)• 11/29-11/30 International Symposium on Research and
Education of Computational Science (RECS) (Hongo,
Tokyo)• 12/06-12/07 Post-K Priority Area 7: Symposium (ISSP)• 01/10 Workshop on National Experimental Facilities andK-computer (Kobe)• 02/15 PCoMS Skill-up Workshop (Tokyo)• 02/17-02/18 Post-K Priority Area 7: Group D Symposium (Kanazawa)• 02/16-02/17 Workshop on Dynamical Mean-Field
Theory (Hongo, Tokyo)• 02/20-02/21 CDMSI International Workshop on Scale
bridging for the atomistic design of high performancematerials (Tokyo)• 02/23-02/24 AICS International Symposium (Kobe)• 03/11 Visualization Symposium (Tokyo)• 03/13-03/15 Workshop on Quantum Dynamics andResponse (Hongo, Tokyo)

Laser and Synchrotron Research Center(LASOR Center)
Laser and Synchrotron Research (LASOR) Centerstarted from October, 2012. LASOR Center aims to promotematerial sciences using advanced photon technologies at
ISSP by combining the “Synchrotron Radiation Laboratory” and “Advanced Spectroscopy Group”. These twogroups have long histories since 1980’s and have kept strong
leaderships in each photon science fields for a long timein the world. In the past several decades, the synchrotronbased and laser-based photon sciences have made remarkable progresses independently. However, recent progresses
in both fields make it feasible to merge the synchrotronbased and laser based technologies to develop a new direction of photon and materials sciences. In the LASOR Center,extreme laser technologies such as ultrashort-pulse generation, ultraprecise control of optical pulses in the frequency
domain, and high power laser sources for the generation ofcoherent VUV and SX light are intensively under development. The cutting edge soft X-ray beamline is also developed
at the synchrotron facility SPring-8.
LASOR center aims three major spectroscopic methods[ultrafast, ultra-high resolution, and operand spectroscopy]
by three groups [extreme laser science group, soft-X-ray
spectroscopy and materials science group, and coherent
photon science group], as illustrated in Fig. 2. Under thisframework, various advanced spectroscopy, such as ultrahigh resolution photoemission, time-resolved, spin-resolved

Fig. 1. Open ceremony of LASOR center on October 2012.

Fig. 2. Developments of advanced spectroscopy at LASOR center by
three groups

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ISSP Activity Report 2016

Fig. 5. Phase-dependence of high harmonic spectra in soft X rays.
Fig. 3. Close look of a high-peak-power ultrashort-pulse laser

spectroscopy, diffraction, light scattering, imaging, microscopy and fluorescence spectroscopy are in progress byemploying new coherent light sources based on laser andsynchrotron technologies that cover a wide spectral range
from X-ray to terahertz. In LASOR Center, a variety ofmaterials sciences for semiconductors, strongly-correlatedmaterials, molecular materials, surface and interfaces, andbio-materials are studied using advanced light sources andadvanced spectroscopy. Another important aim of LASOR
Center is the synergy of photon and materials sciences.
Most of the research activities on the extreme laser
development and their applications to materials science
are performed in the ISSP buildings D and E at Kashiwa
Campus where large clean rooms and the vibration-isolated
floor are installed. On the other hand, the experiments
utilizing the advanced synchrotron source are performed at abeamline BL07LSU in SPring-8 (Hyogo).

cycle optical pulses for high harmonic and attosecond pulse
generation. So far we observed coherent soft-X-ray radiation extending to a photon energy of ~330 eV. The simulation predicts the soft-X-ray field consists of single isolated
attosecond pulses. For ultra-high resolution spectroscopy,
fiber-laser-based light sources are intensively developed
for producing EUV pulses for high resolution and timeresolved photoemission spectroscopy as well as extending
the frequency comb to ultraviolet or infrared for various
applications. The spectral range of intense optical pulses arebeing extended from visible to IR, MIR and THz ranges.
Various types of high-repetition-rate ultrastable light sources
are developed for laser-based ultrahigh resolution photoemission spectroscopy, high-average-power EUV generation in
an enhancement cavity, and frequency comb spectroscopy
for atomic physics, astronomical application, and frequency
standards.

• Extreme Laser Science GroupThe advancement of ultrashort-pulse laser technologies
in the past decade has transformed the laser development
at ISSP into three major directions, (i) towards ultrashortin the time domain, (ii) ultra high resolution in the spectral
domain, and (iii) the extension of the spectral range, withextreme controllability of the laser sources. For ultrafast
spectroscopy, we have developed carrier-envelope phasestable intense infrared light source that can produce sub-two• Soft-X-ray and Materials Science Group
Recently, VUV and SX lasers have progressed very
rapidly. They become very powerful for the materials
science using the cutting-edge VUV and SX spectroscopy.
Especially, angle resolved photoemission spectroscopy(ARPES) is very powerful to know the solid state properties.
Laser has excellent properties, such as coherence, monochromaticity, polarization, ultra-short pulse, high intensity, andso on. By using monochromatic laser light, the resolutionof ARPES becomes about 70-μeV. The materials science
with sub-meV resolution-ARPES is improved drastically by

Fig. 4. Newly designed building E was constructed for new extreme
VUV- and SX-lasers and new spectroscopy.

Fig. 6. 10-MHz high harmonic generation in an enhancement cavity.

ISSP Activity Report 201643

and wonderful bio-/chemi-luminescent systems for widebio-technology applications.

Synchrotron Radiation Laboratory
The Synchrotron Radiation Laboratory (SRL) was established in 1975 as a research division dedicated to solid statephysics using synchrotron radiation (SR). Currently, SRL is
composed of two research sites, the Harima branch and theE-building of the Institute for Solid State Physics.

• Coherent Photon Science GroupThe coherent-photon science group has main interests in exploring a variety of coherent phenomena andnon-equilibrium properties of excited states in condensed
matters, in collaborations with research groups in chargeof photoemission, operand-spectroscopy and extreme laser
science. This group covers a wide range of materials, fromsemiconductors, ferromagnets, complexes and superconductors to biomaterials. Various ultrafast optics technologies
such as femtosecond luminescence and pump-and-probetransmission/reflection spectroscopy are applied to studies on
wavepacket dynamics, photo-induced phase transitions andcarrier dynamics. Coherent control and observation of spin
dynamics in magnetic materials and metamaterial structuresby using high power terahertz radiation source is extensively
studied. Advanced photonics devices are intensively studied,such as quantum nano-structure lasers with novel low-dimensional gain physics, low-power light-standard LEDs, very
efficient multi-junction tandem solar cells for satellite use,

• Brilliant soft X-ray beamline at Harima branch
In 2006, the SRL staffs have joined the Materials
Research Division of the Synchrotron Radiation Research
Organization (SRRO) of the University of Tokyo and they
have played an essential role in constructing a new highbrilliant soft X-ray beamline, BL07LSU, in SPring-8. The
light source is the polarization-controlled 25-m long soft
X-ray undulator with electromagnetic phase shifters thatallow fast switching of thecircularly (left, right) andlinearly (vertical, horizontal)
polarized photons.
The monochromator isequipped with a varied linespacing plain grating, which
covers the photon energy
range from 250 eV to 2 keV.
At the downstream of thebeamline, a lot of experimental
stations have been developed
for frontier spectroscopyr e s e a r c h e s : f iv e e n d s t a tions, i.e. time-resolved soft
X-ray spectroscopy (TR-SX)
equipped with a two-dimensional angle-resolved time-offlight (ARTOF) analyzer (Fig.
1), three-dimensional (3D)
nano-ESCA station equippedwith the Scienta R-300 0
analyzer (Fig. 2), high resoluFig. 1. TR-SX station
tion soft X-ray emission

Fig. 8. Photonics devices under study: (left panel) semiconductor
quantum wires and (right panel) firefly-bioluminescence system
consisting of light emitter (oxyluciferin) and enzyme (luciferase)

Fig. 2. 3D-nano ESCA station

Fig. 7. Pump-probed photoemission system using 60-eV laserusing high resolution laser. For example, superconducting
gap anisotropy of the superconductors and Fermiology ofthe strongly correlated materials are studied very well. On
the other hand, using pulsed laser light, the time-resolved
photoemission in fs region becomes powerful to know therelaxation process of photo-excited states of the materials.
Furthermore, by using CW laser with circular polarization
in VUV region, the photoelectron microscopy (PEEM) isdeveloped. The spatial resolution of nm resolution is very
powerful for the study of nanomagnetic materials.

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ISSP Activity Report 2016

Fig. 3. Soft X-ray emission station

Fig. 6. Laser-SARPES system at E-building

spectroscopy (XES) stations (Fig. 3) are regularly maintainedby the SRL staffs and open for public use, and at free-port
station many novel spectroscopic tools have been developedand installed such as soft X-ray resonant magneto-optical
Kerr effect (MOKE) (Fig.4) and soft X-ray diffraction (Fig.
5), ambient pressure photoemission, two dimensional photoelectron diffraction and so on. The beamline construction
was completed in 2009 and SRL established the Harimabranch laboratory in SPring-8. At SPring-8 BL07LSU, each
end-station has achieved high performance: the TR-SX
station have established the laser-pump and SR-probe
method with the time-resolution of 50 ps which corresponds
to the SR pulse-width; the 3D nano-ESCA station reaches
the spatial resolution of 70 nm; the XES station provides
spectra with the energy resolution around 70 meV at 400 eV
and will enable real ambient pressure experiments in the near
future. Soft X-ray resonant MOKE station has been developed to make novel magneto-optical experiment using fastswitching of the polarization-controlled 25-m long soft X-ray
undulator. The soft X-ray diffraction station has been fully
constructed and the time-resolved measurement is available by using lasers at the TR-SX station. Each end-station
has now been opened fully to outside users. In 2015, 176
researchers made their experiments during the SPring-8
operation time of 4805 hours.

Synchrotron Research Center (LASOR) SRL constructed
a new SARPES apparatus (Fig. 6), which was designed
to provide high-energy and -angular resolutions and highefficiency of spin detection using a laser light instead of thesynchrotron radiation in Institute for Solid State Physics. The
achieved energy resolution of 1.7 meV in SARPES spectra is
the highest in the world at present. From FY 2015, the new
SARPES system has been opened to outside users.
The Laser-SARPES system consists of an analysis
chamber, a carousel chamber connected to a load-lockchamber, and a molecular beam epitaxy chamber, which
are kept ultra-high vacuum (UHV) environment and areconnected each other via UHV gate valves. The electrons are
excited with 6.994-eV photons, yielded by 6th harmonic of a
Nd:YVO4 quasi-continuous wave laser with repetition rate of
120 MHz. The hemispherical electron analyzer is a custommade ScientaOmicron DA30-L, modified for installing thespin detectors. The spectrometer is equipped with two highefficient spin detectors associating very low energy electron
diffraction are orthogonally placed each other, which allows
us to analyze the three-dimensional spin polarization ofelectrons. At the exit of the hemispherical analyzer, a multichannel plate and a CCD camera are also installed, whichenables us to perform simultaneously the angle-resolved
photoelectron spectroscopy with two-dimensional (energymomentum) detection. So far, spin-dependent band structuresof more than 10 materials have been studied by 4 outsidegroups.

• High-resolution Laser SARPES at E-building
Spin- and angle-resolved photoelectron spectroscopy(SARPES) is a powerful technique to investigate the spindependent electronic states in solids. In FY 2014, Laser andFig. 4. Soft X-ray MOKE station

Fig. 5. Soft X-ray diffraction
station

ISSP Activity Report 201645

Conferences and Workshops
International Conferences and Workshops
International Workshop “Theory of Correlated Topological Materials”
and Symposium “Topological Phases and Functionality of Correlated Electron Systems”
Workshop: February 6 - March 3, 2017
Symposium: February 20 - 22, 2017
L. Balents, P. Gegenwart, S. Nakatsuji, M. Oshikawa, O. Tchernyand, and S. Trebst
In recent years, topology plays a key role in classifying, discovering, and even designing materials with desirable functionalities. The wide recognition of this trend manifested most notably in Nobel Prize in Physics 2016 awarded to the original
works on “theoretical discoveries of topological phase transitions and topological phases of matter”. Topology is a branch ofmathematics, which studies classification of objects by regarding those connected by continuous deformations as equivalent.
The application of topology to classification of quantum phases originated in the study of quantum Hall effects, but is recently
expanded to much wider class of materials. The recent explosive growth of the field stemmed from the discovery of topologicalinsulator, for which the classification of non-interacting electron systems developed first. Many of the theoretical predictions
have been confirmed experimentally, and devices utilizing the topological properties are proposed. Recently, the focus of thefundamental research is shifting to the interplay of topological aspects and strong correlation in electron systems. Strongly correlated electron systems have been studied vigorously over several decades, but remain as a challenging problem theoretically andexperimentally. However, new breakthroughs based on topological concepts are being made, and more are expected to come.
At this exciting time, this International Workshop and Symposium was organized to develop the frontier of condensed matterphysics at the interface between topology and strong correlation, co-sponsored by ISSP, JSPS Program for Advancing Strategic
International Networks to Accelerate the Circulation of Talented Researchers for “Leading Research Network Topological
Phenomena in Novel Quantum Matter” (TopoNet), and Center for Magnetic Materials, Elements Strategy Initiative. The entire
four-week program consisted of the three-day Symposium and the Workshop during the rest of the period. The Workshop partwas primarily for discussion of theoretical studies. In order to facilitate collaborations, during the Workshop period, talks werelimited to at most 2 hours each day, so that ample time was reserved for discussions. At the Symposium, many recent developments in experimental and theoretical studies were reported, and followed by vigorous
discussions during coffee andlunch breaks, and after hours.
The cumulative total of the daily
attendance in the Workshop was
410 (over 17 days), while that in
the Symposium was 347 (over 3days).
The topics discussed at theWorkshop/Symposium included
various quantum spin liquids
such as Kitaev spin liquid, Weyl
semimetals and their electromagnetic responses, topologicalsurface states, anomalous Hall
effect in non-collinear antiferromagnets and its application to spintronics, and novel
class of quantum criticalities.
While these topics are diverse,
intriguing connections among
different subjects have also
emerged. The lively discussions
at the Workshop/Symposium
suggested future directions, andhave led to new collaborations.

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ISSP Activity Report 2016

International Workshop on Tensor Networks and Quantum Many-Body Problems(TNQMP2016)

Workshop: June 27 - July 15, 2016
Symposium: June 27, July 4, July 11, 2016

K. Harada, S. Hashimoto, N. Kawashima, T. Misawa, S. Morita, Y. Motoyama,
T. Okubo, M. Oshikawa, S. Todo, J. Yamazaki, T. Yanai, and K. Yoshimi
The meeting was held as one of the annual workshop series that started in 2006. Since the event was cancelled in 2011
because of the earthquake, this was the 10th. The main theme of this year's workshop was the tensor network state. The conceptof the tensor network itself is not very new. The simplest example may be the Ising model, which itself can be regarded as atensor network --- an Ising spin corresponds to an index to be contracted, and the local Boltzmann weight defines the tensor
elements. Any statistical physical model on some lattice is actually a tensor network. The concept of the tensor network became
popular recently mainly due to the interpretation from the information science viewpoint and several impressive demonstrationsof its effectiveness in describing quantum states. Numerical methods based on the tensor network concept are now producing
high-precision results for the models otherwise intractable, such as frustrated magnets and fermion systems. On every
Monday, we had a symposium in which, in 30min talks, participants present their most recent results, whereas on Tuesday
through Friday, we have two lectures a day, one in the morning and another in the afternoon, each being 1h 30min. In lectures
basic concepts are explained in details. Every lecture was recorded and posted on YouTube. (You can find it by the keyword
TNQMP2016.) For example, Román Orús (Mainz) gave lectures on the 1-dimensional and the 2-dimensional tensor network
state for beginners, Glen Evenbly (UC Irvine) explained renormalization group method based on the tensor network representation, Tadashi Takayanagi (Kyoto) discussed the relationship between the MERA representation and AdS/CFT correspondence,Frank Pollmann (MPIPKS) and Norbert Schuch (MPQ) dealt with the problem of the topological properties in terms of tensor
networks, Tomotoshi Nishino (Kobe) talked about applications
to classical systems, and Philippe Corboz (Amsterdam) and
Tao Xiang (CAS, Beijing) presented their results of the stateof-the-art tensor network calculations. Particularly impressive
was the talk by Frank Verstraete (Vienna) who gave a blackboard lecture on the matrix product states and the matrix
product operators, in which he showed how the Yang-Baxter
equation can appear in the language of the tensor networks.
Reflecting the high expectation among young researchers,
the lecture room was crowded everyday. The integrated total
number of audience including the symposia was 558.

ISSP Activity Report 201647

The 17th International Conference on High Pressure in Semiconductor Physics (HPSP-17)& Workshop on High-Pressure Study on Superconducting (WHS)

August 7 - 11, 2016
K. Takarabe and Y. Uwatoko

The 17th International Conference on High Pressure in Semiconductor Physics (HPSP17) and the Workshop on Highpressure on Superconductors (WHS) was held at the Sanjo Conference Hall (Hongo, Univ. Tokyo, Japan) in the schedule ofAugust 7th - 11th 2016. The aim of this first joint conference was to allow young and experienced researchers from different
fields to meet together during a single-session conference to present and discuss their latest results in the field of applicationof high pressure and other forms of stress to the study of both semiconductors and superconductors. The idea of joint conference was to give an opportunity to the participants to have a bird-eye crossing two fields, bridging over towering two fields,
and thus a new stimulus in both fields. A total of 110 people participated in the conference. This number means the acceptanceof the new idea of organizing the high-pressure conference. We are deeply indebted to the International Advisory Committee
for recommending the invited speakers for this new conference. We would like to thank for all participants from 14 countries:
Canada, China, Estonian, France, Germany, Israel, Korea, Mexico, Poland, Russia, Spain, the United Kingdom, the UnitedStates, and Japan, having had brought their latest high-pressure studies. We sincerely thank to the Institute for Solid State
Physics of the University of Tokyo for jointly hosting the WHS and JSPS KAKENHI the Grant-in-Aid for Specially Promoted
Research, Megar Chemistry for jointly hosting the megabar chemistry session in the conference. We thank to all companies
donated to the conference for running the conference smoothly. We finally thank to all steering and editorial member for
running the conference successfully.
We look forward seeing you all in the next conference.
A list of companies donating to HPSP & WHS.
Sanwa Trading Co., Ltd
HMD Corporation
Hamasho Corporation
Nanki Engineering Works Co., Ltd.
EL ElectroLAB Company
Micro Industries Co., Ltd.
Rockgate Corporation
Ohsawa systems
Tungaloy Corporation
Quantum Design Japan, Inc.
Kouatsu System Co., Ltd.
Clover Foundation For the Future Scientist

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ISSP Activity Report 2016

ISSP Workshops
Computational Materials Science —Now and the Future—
April 4 - 5, 2016
N. Kawashima, H. Noguchi, O. Sugino, H. Watanabe, S. Kasamatsu, Y. Noguchi, S. Morita,
Y. Yoshimoto, S. Motome, T. Oda, H. Kawamura, Y. Okamoto, and Y. Kawakami
This workshop was organized for the computational condensed matter research community, especially for the users of the
ISSP supercomputers, to exchange the most recent information on the computational condensed matter research and on thehigh-performance computation of related research areas. This was held as a series of annual workshop of ISSP supercomputerthat has so far been held at around the year-end or the fiscal year-end, but was held this time at the start of the fiscal year for
the first time. Because of the shifting of the time, participants were slightly increased in number. The selected topics include
the target of the post-K supercomputer project, the progress made in the elements strategy projects, the emergent data-driven
material research, and “the Project for advancement of software usability in materials science” that started by ISSP in 2015. In
addition to seventeen invited talks and twenty-two poster presentations, panel discussion (by four panelists) was held to deepen
understanding on that architectures that may be adopted for the next generation ISSP supercomputer. Many of the presentations
contained new results obtained by performing larger scale calculations enabled by the new system B, which was introduced inJuly 2015.

First Workshop of the Solid State Chemistry Forum: Present and Future of Solid Materials
June 14 - 15, 2016
S. Shimakawa, H. Miyasaka, H. Kageyama, H. Kitagawa, R. Kanno, M. Takano, and Z. Hiroi
The workshop was planned as an opportunity for researchers working in various fields of solid state chemistry andmaterials science to get together and discuss the recent progress of solid state chemistry. It was the first meeting of the solidstate chemistry forum founded in 2015. 62 presentations including 6 reviews, 11 invited and 45 poster talks were given.
Approximately 100 people joined the meeting everyday. Intensively discussed were novel methods for inorganic and organic
compounds, the chemical properties of catalyses, ionic conductors and materials for ion batteries, and the physical propertiesof quantum magnets, dielectrics and superconductors. The workshop gave a wonderful opportunity for attendees to understandthe present status and to imagine the future prospect of materials research. Moreover, it was helpful in building a community forsolid state chemists.

ISSP Activity Report 201649

High Magnetic Field Co-laboratory, International Collaboration and Future of the High
Magnetic Field Science
June 23 - 24, 2016
H. Nojiri, T. Sasaki, S. Awaji, T. Shimizu, Y. Imanaka, H. Ota,
M. Hagiwara, K. Kindo, S. Takeyama, M. Tokunaga, and Y. Matsuda

In 2015, the Global High Magnetic Forum was founded by the world leading high field facilities and the new phase of
the international high magnetic field research community has begun at 10 years after the foundation of High Magnetic Field
Forum of Japan. In such occasion, the workshop aimed at the mutual exchange and discussion on the trends of science in highmagnetic fields and the organization for the facility network in domestic and regional levels. Nine sessions were hold withtheme of science in the interdisciplinary area, science and material design/synthesis, science studied in steady fields, development of physics in spin systems under high magnetic fields, current status and future prospects of science in mega-gauss fields,
generation of steady and quasi-steady fields and their application, current status and future prospects of non-destructive pulse
magnets and their application, and international collaborations. Each session consists of a few leading talks by young representatives, contributed talks and comment from experienced leaders. Students and post-doc researchers presented their recent
results in the poster session. Three leaders from China and Korea were invited to report the present status of research andfacility in each country. In the final session, the attendants agreed to found the Asian high magnetic field forum and accelerate
the regional research collaboration.

New Frontier of Pi-Electron Based Molecular Materials Science

August 8 - 10, 2016
H. Sawa, K. Mori, M. Ogata, R. Kato, K. Kanoda, T. Sasaki,
I. Terasaki, T. Naito, H. Yamamoto, H. Mori, T. Osada, and M. Yamashita

We held a workshop by researchers dealing with experiments and theories including science of molecular π electron
systems and related fields. In this workshop, we held discussions for molecular material development and condensed matterphysics beyond the conventional framework. Furthermore, the role of ISSP as a hub of advanced research of material science
was reconfirmed.
Molecular π-electron systems, in particular the quantum mechanical properties of crystalline materials composed of
π-conjugated molecules, are studied for the development and deepening of basic physics, which is the creation of the basic
principle of next-generation molecular electronics. In molecular crystals, exotic electronic states are realized by competitionand cooperation of different order parameters of the energy scale and characteristic space-time scale, and insulators, semiconductors, metals, dielectrics, superconductors, etc. appear. We have the possibility to manipulate macroscopic functions due toexotic quantum properties of molecular crystals. Therefore, in this workshop, program organization was divided for each theme,
and combining molecular system and inorganic system, we devised to clarify the physical aspects of various phenomena.
The number of people participating in this workshop exceeded 300 people in total, more than 120 attendees daily, whichmeans that it became the largest in this year's ISSP workshop. Researchers in other fields interested in the molecular materialscience field gathered,
so the academic expansion and objective consciousness became clear.
Many young researchers
who participated in theposter session conducted
more active discussions
than before.

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ISSP Activity Report 2016

ISSP Workshop: Frontier of Neutron Scattering Research in the Field of Magnetism andStrongly Correlated Electrons

October 6 - 7, 2016
T. Masuda, H. Yoshizawa, M. Fujita, and M. Takeda

Neutron scattering technique is a powerful probe for microscopic structure and dynamics of materials. ISSP and Japan
Atomic Energy Agency (JAEA) have updated the neutron instruments and reconsidered the safety issues in the research reactor
JRR3, which has been suspending its operation since the great east-Japan earthquake in March 2011, so that we will be able
to resume the user program smoothly as soon as the JRR3 restarts. Recently the adaptability to new regulatory standard of thereactor’s safety is being satisfied, and the director of JRR3 indicated that the reactor would restart its operation in the end ofJapan fiscal year 2017. We, thus, held the ISSP workshop for the discussion of scientific research by using neutron spectrometers in JRR3. The main purpose
is to fulfill the maximum scientificoutput after the restart. Specialistsof triple axis spectrometer (TAS),
outstanding users, and scientists inthe facilities related to JRR3 participated in the workshop; the numbersof the participants were 64 for the
first day and 49 for the second day.
The importance of the TAS wasreconfirmed. Furthermore settlementof working group for the future planof JRR3 was proposed.

Trends and Prospects in the Condensed Matter Physics Studied by Scanning TunnelingMicroscopy
October 30 - November 1, 2017
Y. Hasegawa, T. Hanaguri, T. Komeda, H. Shigekawa, F. Komori, and Y. Kim
Recent tremendous advances in scanning tunneling microscopy (STM) enable us to investigate physical properties ofvarious materials in nanometer and atomic scale spatial resolutions that cannot be accessible by other methods. Nowadays,
STM can be operated in dilution refrigerator temperature under high magnetic fields. In addition to structural and electronic
properties, spin, phonon, and vibrational modes of individual atoms/molecules can be probed and their spatial mappings arevisualized. Time-resolved measurements are performed in combination with laser pulses, and photon mappings showing sitedependent emission intensity within a single molecule are obtained. Throughout this workshop, we discussed various physicalphenomena revealed by cutting-edge STM systems and shared their technological advances.
One of the recent hot topics we extensively discussed is surface superconductivity. It was first reported with STM byshowing the superconducting gap and vortices in a single metallic layer formed on a substrate, and later confirmed by transport measurements through the monoatomic surface layer. It was found that atomic steps on the surface behave as a Josephson
junction. Because of the broken space inversion symmetry, a mixture of s- and p-wave electron pairing is expected, and thedetection of the unconventional pairing in tunneling spectra was discussed.
Topological insulator, Weyl semimetal, graphene etc. are also attractive subjects among STM researches because of theirpeculiar surface electronic states. The suppressed backscattering of the protected surface states on topological insulators was
nicely demonstrated through the disappearance of the electron standing waves. On a Weyl semimetal the Fermi arc was visualized in quasiparticle interference pattern. It was also demonstrated that the Dirac cone of graphene can be well controlled
through the modification in the step morphology of a SiC substrate
Time-resolved measurement was also a recent utmost achievement in STM as it realizes a microscope with both ultimate
spatial and temporal resolutions. Site-dependent relaxation times of optical responses and spin precessions have been demonstrated in a pump-probe method with laser-combined STM. It was demonstrated that monocycle THz pulses work as a picosecond pulse in the bias voltage and will be used for time-resolved imaging near future.

ISSP Activity Report 201651

Local Functionality of 3D Active-site on Atomic-Layer Materials

December 20 - 21, 2016
H. Daimon, R. Saito, T. Kinoshita, and T. Osada

Recent materials science is related to a development of new functional materials for realizing the energy-saving sustainable
society. It is very important to understand the local 3D atomic arrangement as well as the bulk periodic arrangement to realize
these functional materials. The discovery of graphene stimulated many researches on atomic layer material because of its
novel electronic and optical properties. These zero- to two-dimensional local atomic structures have not been able to be studied
because they have no translational symmetry which is necessary for x-ray diffraction analysis. The development of new analysis
tools and theoretical studies based on experimental evidence are necessary to realize novel functional materials. Scanning probe
microscope can study local atomic structure and properties, but it cannot reveal 3D atomic arrangement. Several atomic resolution holographies, which can visualize 3D atomic arrangement images around specific atoms in materials, have been developed
and reached application levels in Japan recently. Two projects of Grant-in-Aid for Scientific Research on Innovative Areas by
MEXT, “3D Active-site Science” and “Science of Atomic Layers”, are now running and many researchers are involved. About
90 people of not only the members of these groups but also related researchers in ISSP attended this symposium, and discussed
about the development of functional materials, device application, improvement of measurement method, cooperation withtheory, and so on. The attendee could find some seeds of collaboration among them and could hold a possibility of new sciencein common.

ISSP Workshop: Origins of material functions elucidated by SPring-8 BL07LSU
March 8, 2017
H. Wadati, S. Shin, F. Komori, I. Matsuda, and Y. Harada
Synchrotron radiation laboratory has a Harima branch to maintain and develop a high-brilliance soft X-ray beamline
BL07LSU at SPring-8. There we are performing time-resolved, spatial-resolved and energy-resolved soft X-ray spectroscopy
to study electronic states and dynamics of new materials. In this workshop, recent research activities at our beamline werereported and we discussed our new experimental techniques which will reveal the origins of material functions. The speakers
talked about their recent results from each end station (time-resolved spectroscopy, 3D nano-ESCA, emission spectroscopy,
and so on). There were two invited talks; one is about soft X-ray nanofocusing with ultraprecise mirrors, and the other is aboutnano-metric spin textures observed by coherent soft X-ray scattering. There were a lot of discussions for each talk, and we
successfully started to obtain a clear vision about how we can elucidate the origins of material functions such as magnetism,
chemical reaction, and biological systems. We also encouraged the young generation in this research field by awarding the bestposter prizes to two graduate students.

52

ISSP Activity Report 2016

ISSP Activity Report 2016

53

54

Subjects of Joint Research

ISSP Activity Report 2016

平成 28 年度

共同利用課題一覧（前期） / Joint Research List (2016 First Term)

嘱託研究員 / Commission Researcher
No.

課題名

担当所員：森

氏名

所属

Title

Name

Organization

初果

1

常圧で金属状態を示す純有機単一成分導体の開
発

御崎

洋二

愛媛大学

大学院理工学研 Development of purely organic single-component molecular
metals under ambient pressure
究科Youji Misaki

Ehime University2

純有機単一成分超伝導体の開発

白旗

崇

愛媛大学

大学院理工学研 Development of purely organic single-component molecularsuperconductors
究科

Kenta Kimura

Ehime University

小原顕

大阪市立大学

大学院理学研究 Study of superfluid helium-three under rotation and ultra-low
temperatures environments
科

Ken Obara

Osaka City University

担当所員：山下3穣

回転超低温装置を用いた超流動ヘリウム 3 の研
究担当所員：長谷川幸雄

4

3He-4He 希釈冷凍機と 14T 超伝導マグネットを組み合わせた複合極限環境下における STM の開 河江
発

達也

九州大学

大学院工学研究 Development of STM at very low-temperatures and strong
magnetic fields
院

Tastuya Kawae

Kyushu University

5

トポロジカル絶縁体表面の磁気的干渉パターンの実空間イメージング

岡田

佳憲

東北大学

原子分子材料科 Visualization of magnetic interference pattern on topological
学高等研究機構 insulator surface

Yoshinori Okada

Tohoku University

担当所員：吉信

淳

6

銅および合金表面における二酸化炭素の水素化反応に関する理論的研究

森川

良忠

大阪大学

大学院工学研究 Theoretical study on hydrogenation of carbon dioxide over Cu
Yoshitada Morikawa Osaka University
and alloy metal surfaces
科7

カルコゲン層状化合物 MoS2 表面への分子吸着の高分解能電子エネルギー損失分光を用いた振
動分光研究

米田

忠弘

東北大学

多元物質科学研 High resolution vibration spectroscopy of molecules adsorbed
on MoS2 surface
究所

Tadahiro Komeda

Tohoku University

No.
8

課題名

モハメド ザSiC 基板に成長させたエピタキシャルグラフェン
キール ホサの化学修飾と表面科学的評価
イン

担当所員：川島
9

氏名

Title

Name

Organization

群馬大学

元素科学国際教 Chemical modification and its characterization of epitaxial
育研究センター graphene grow on the SiC substrate

Md. Zakir Hossain

Gunma University

直輝

テンソルネットワーク法の開発・改良担当所員：上床

所属

原田

健自

京都大学

大学院情報学研
Development of Tensor Network Method
究科

Kenji Harada

Kyoto University

Hiroki Takahashi

Nihon University

美也

ISSP Activity Report 201655

10

多重極限関連圧力装置の調整

高橋

博樹

日本大学

文理学部

11

希土類化合物の単結晶試料評価とその圧力効果

藤原

哲也

山口大学

大学院理工学研
Effect of Pressure on the Ce Compounds
究科

Tetsuya Fujiwara

Yamaguchi University12

希土類 122 化合物における圧力効果

繁岡

透

山口大学

大学院理学研究
Pressure effect of rare earth 122 compounds
科

Toru Shigeoka

Yamaguchi University

13

磁性体の圧力効果

巨海

玄道

久留米工業大学 工学部

Gendo Oomi

Kurume Institute ofTechnology

14

圧力下 NMR 測定法に関する開発

藤原

直樹

京都大学

大学院人間・環 Development of NMR measurement method under highpressure
境学研究科

Naoki Fujiwara

Kyoto University

15

低温用マルチアンビル装置の開発

辺土

正人

琉球大学

理学部

Masato Hedo

University of the
Ryukyus16

中性子回析に用いる圧力装置の開発

片野

進

埼玉大学

大学院理工学研
Developments of High Pressure Cell for Neutron Diffraction
究科

Susumu Katano

Saitama University

17

擬一次元有機物質の圧力下物性研究

糸井

充穂

日本大学

医学部

Study on pressure induced superconductivity of quasi organic
conductor

Miho Itoi

Nihon University18

高圧下の比熱測定装置の開発

梅原

出

横浜国立大学

工学部

Development of apparatus for specific heat measurements
under high pressure

Izuru Umehara

Yokohama National
University19

磁化測定装置の開発

名嘉節

物質・材料研究 機能性材料研究
Development of the magnetometer機構
拠点Takashi Naka

National Institute forMaterials Science

20

AgPdCu 合金圧力セルを用いた磁場中比熱測定

河江

達也

九州大学

大学院工学研究
Effect of pressure on the 3d transition compound
院

Tastuya Kawae

Kyushu University

21

3d 遷移化合物に関する圧力効果

鹿又武

東北学院大学

工学総合研究所

Takeshi Kanomata

Tohoku Gakuin
University

22

有機伝導体の圧力効果

村田惠三

大阪経済法科大 21 世紀社会総
Effect of pressure on the organic conductor
学
合研究センター

Keizo Murata

Osaka University of
Economics and Law

Adjustment of Cubic Anvil apparatus

Effect of pressure on the Magnetic Materials

Development of multi-anvil apparatus for low temperature

Investigation of magnetic properties for 3d transitionintermetallic compounds under pressure

56

No.
23

課題名

氏名

ISSP Activity Report 2016

ダイヤモンドアンビルセルを用いた高圧低温下 X
岡田
線回折システムの開発担当所員：野口

所属

Title

Name

Organization

卓

東京大学

大学院理学系研 Development of X-ray diffraction system at high pressure andlow temperature using diamond anvil cells
究科

Taku Okada

The University of
Tokyo

博司

24

汎用他変数変分モンテカルロ法の整備・公開

大越

孝洋

東京大学

大学院工学系研 Development of Many-Variable Variational Monte Carlo
Method
究科

Takahiro Ohgoe

The University of
Tokyo

25

シフト型クリロフ理論を中核とした物性計算む
け大行列数理ソルバー

山地

洋平

東京大学

大学院工学系研 Development of large matrix solver for condensed matterphysics
究科

Youhei Yamaji

The University of
Tokyo

26

〃

星

鳥取大学

大学院工学研究
科〃

Takeo Hoshi

Tottori University

27

〃

曽我部

名古屋大学

大学院工学研究
科〃

Tomohiro Sogabe

Nagoya University

28

〃

山元

進

東京工科大学

コンピュータサ
イエンス学部〃

Susumu Yamamoto

Tokyo Institute ofTechnology

29

中性子散乱装置の共同利用・開発による強相関
電子系物質の構造物性の研究

岩佐

和晃

茨城大学

フロンティア応
Structural studies of strongly correlated electron systems by
用原子科学研究
usage of neutron scattering and instrumental developments
センター

Kazuaki Iwasa

Ibaraki University

30

湾曲大型 2 次元中性子検出器と低温振動写真撮
影装置の開発

木村

宏之

東北大学

多元物質科学研 Development of Large-area curved two dimensional neutron
Hiroyuki Kimura
detector and Low temperature oscillating photographic device
究所

Tohoku University

31

中性子散乱装置のアップグレードと共同利用研
究の推進

藤田

全基

東北大学

金属材料研究所

Upgrading of the neutron scattering device and promotion of
the research and public use

Masaki Fujita

Tohoku University

32

C1-3

杉山

正明

京都大学

原子炉実験所

Development of Micro-Focusing Small-Angle Neutron
Scattering Spectrometer

Masaaki Sugiyama

Kyoto University

33

集光テスト用小型 SANS の開発及び冷中性子反射率計 / 干渉計のアップグレード

日野

正裕

京都大学

原子炉実験所

Improvement of MIEZE spectrometer and cold neutronreflectometer and interferometer

Masahiro Hino

Kyoto University

34

三軸分光器を用いた極端条件下における物質科
学研究の実施

阿曽

尚文

琉球大学

理学部

Material science studies under extreme conditions by using
triple-axis spectrometers

Naofumi Aso

University of the
Ryukyus35

三軸分光器の高度化およびそれを用いたスピン
ダイナミクス研究

佐藤

卓

東北大学

多元物質科学研 Improvement of triple-axis spectrometer and its application to
the spin dynamics research
究所

Taku Sato

Tohoku University

36

高度化した三軸分光器を用いた強相関電子系物
質の研究

南部

雄亮

東北大学

金属材料研究所

Study of strongly correlated electron systems using advanced
triple-axis spectrometers

Yusuke Nambu

Tohoku University

37

C1-2
IRT

井上

倫太郎

京都大学

原子炉実験所

Development of Small-Angle Neutron Scattering and Spin andSpin Echo Spectrometer

Rintaro Inoue

Kyoto University

担当所員：柴山健夫
知広充弘

ULS 極小角散乱装置 IRT

SANS-U及び C2-3-1

iNSE

装置

No.

課題名

担当所員：金道

氏名

所属

Name

Organization

浩一

38

85 テスラマグネットを用いた超音波測定の開発

吉澤

正人

岩手大学

工学部

39

〃

中西

良樹

岩手大学

工学部

担当所員：辛

Title

Development for Ultrasonic Measurements by use of 85
T-Magnet〃

Masahito Yoshizawa

Iwate University

Yoshiki Nakanishi

Iwate University

埴

ISSP Activity Report 20165740

高温超伝導体の高分解能光電子分光

藤森

淳

東京大学

大学院理学系研 Ultra-high resolution photoemission spectroscopy on high Tc
superconductor
究科

Atsushi Fujimori

The University of
Tokyo

41

60-eV レーザーを用いた時間分解光電子分光の
開発

石坂

香子

東京大学

大学院工学系研 The development of time-resolved photoemission using 60eV
laser
究科

Kyoko Ishizaka

The University of
Tokyo

42

鉄系超伝導体のレーザー光電子分光

下志万

東京大学

大学院工学系研
Laser-ARPES on Fe superconductor
究科

Takahiro Shimojima

The University of
Tokyo

43

Bi 系超伝導体の角度分解光電子分光竹内恒博

豊田工業大学

工学部

Tsunehiro Takeuchi

Toyota Technological
Institute44

高分解能光電子分光による強相関物質の研究

横谷

尚睦

岡山大学

大学院自然科学
Ultra-high resolution study on strongly correlated materials
研究科

Takayoshi Yokoya

Okayama University

45

酸化バナジウムの高分解能光電子分光

江口

律子

岡山大学

大学院自然科学
Photoemission study on vanadium oxides
研究科

Ritsuko Eguchi

Okayama University

46

有機化合物の光電子分光

金井要

東京理科大学

理工学部

Kaname Kanai

Tokyo University of
Science47重い電子系ウラン化合物の高分解能光電子分光

藤森伸一

日本原子力研究 量子ビーム応用 Ultra high resolution photoemission study on heavy fermion
Uranium compounds
開発機構
研究センター

Shinichi FujimoriJapan Atomic Energy
Agency48

レーザー光電子分光による酸化物薄膜の研究

津田俊輔

物質・材料研究 機能性材料研究
Laser-Photoemission Study on Oxide Films
機構
拠点

Shunsuke Tsuda

National Institute forMaterials Science49

４f 電子系物質の高分解能光電子分光

松波雅治

豊田工業大学

工学部

Masaharu
Matsunami

Toyota Technological
Institute50

超高空間分解能光電子顕微鏡による磁区構造観
察

中川

剛志

九州大学

大学院総合理工 Observation of magnetic domain structures by ultra-highresolution photoemission electron microscopy
学府

Takeshi Nakagawa

Kyushu University

51

Mn 化合物の時間分解光電子分光

大川

万里生

東京理科大学

理学部

Time resolved Photoemission on Mn compounds

Mario Okawa

Tokyo University of
Science52

収差補正型光電子顕微鏡の建設と利用研究

小嗣真人

東京理科大学

基礎工学部

Construction and utilization research of aberration correction
photoelectron emission microscopy

Masato Kotsugi

Tokyo University of
Science

貴博

Angle-resolved photoemission study on high Tc cuprate

Photoemission study on organic compounds

Photoemission study on 4f materials

58
ISSP Activity Report 2016

No.

課題名

53

時間分解・マイクロビームラインの開発と研究

室

54

光電子分光法を用いた各種分子性結晶の電子状態の研究及び装置の低温化

木須

孝幸

大阪大学

55

トポロジカル絶縁体の電子状態の解明

木村

昭夫

広島大学

担当所員：松田

氏名
隆桂之

所属

Title

高輝度光科学研 利用研究促進部
Development of micr- and time-resolved beamline
究センター
門

Name
Takayuki Muro

Japan Synchrotron
Radiation Institute

大学院基礎工学 Research on electron state of molecular crystals using
photoemission spectroscopy
研究科

Takayuki Kisu

Osaka University

大学院理学研究
Electronic-structure study of topological insulators
科

Akio Kimura

Hiroshima University

Kenta Amemiya

High Energy
Accelerator ResearchInstituteTaichi Okuda

Hiroshima University

巌56

軟 X 線アンジュレータビームラインの分光光学系の開発研究雨宮健太

高エネルギー加 物質構造科学研
Research and development of soft X-ray undulator beamline
速器研究機構究所

57

光電子スピン検出器の開発・研究

奥田

太一

広島大学

58

光電子顕微鏡による磁性ナノ構造物質の磁化過
程

木下

豊彦

高輝度光科学研 利用研究促進部
Magnetization in process of magnetic nano structure by PEEM Toyohiko Kinoshita
究センター
門

59

高輝度軟 X 線を利用した強相関物質の電子状態
研究

組頭

広志

高エネルギー加 物質構造科学研 Study of electronic states in strongly correlated materials withhigh brilliant soft-Xray.
速器研究機構究所

60

高輝度放射光軟 X 線を用いた時間分解光電子分
光による表面ダイナミクス研究近藤寛

慶應義塾大学61

二次元表示型スピン分解光電子エネルギー分析
器の開発

大門

寛

62

軟 X 線放射光用チョッパー開発

大沢63

分子吸着系における時間分解光電子分光の研究

64

共鳴磁気光学カー効果の散乱理論研究

担当所員：原田

Organization

放射光科学研究 Research and development of a new photoelectron spin
detectorセンター

工学部

Study of surface dynamics by time-resolved photomission
spectroscopy with high-brilliant soft X-rey synchrotron
radiation

Japan Synchrotron
Radiation InstituteHigh Energy
Hiroshi Kumigashira Accelerator ResearchInstitute
Hiroshi Kondoh

Keio University

奈良先端科学技 物質創成科学研 Development of 2D display type spin resolved photoelectronenergy analyzer.
術大学院大学
究科

Hiroshi Daimon

仁志

ナノテクノロジ
Developments of a chopper for soft X-ray synchrotron
高輝度光科学研ー利用推進グルradiation
究センターープNara Instituteof Science andTechnology

Hitoshi Osawa

Japan Synchrotron
Radiation Institute間瀬一彦

高エネルギー加 物質構造科学研 Study of time-resolved photoemission spectroscopy formolecular adsorption system
速器研究機構究所

Kazuhiko Mase

High Energy
Accelerator ResearchInstitute田口宗孝

奈良先端科学技 物質創成科学研 Study of scattering theory for the resonant magneto-optical
Kerr effect術大学院大学
究科

Munetaka Taguchi

Nara Instituteof Science andTechnology

Daisuke Asakura

National Institute ofAdvanced Industrial
Science and Technology

慈久65

軟 X 線吸収／発光分光法によるリチウムイオン
電池電極材料の電子物性研究朝倉大輔

産業技術総合研 省エネルギー研 Study on the electronic property of electrode materials for Liion batteries by soft X-ray absorption/emission spectroscopy
究所
究部門

66

極小角Ｘ線散乱と軟Ｘ線吸収・発光分光によるソフトマテリアルの物性研究

雨宮

慶幸

東京大学

Study on the physical properties of soft materials by a
大学院新領域創
combination of ultra-small-angle X-ray scattering and soft
成科学研究科
X-ray absorption/emission spectroscopy

Yoshiyuki Amemiya

The University of
Tokyo

67

省エネ・創エネ・蓄電デバイスのオペランド分
光

尾嶋

正治

東京大学

放射光連携研究 Operando nano-spectroscopy for energy efficient, power
generation and energy storage devices機構

Masaharu Oshima

The University of
Tokyo

No.

課題名

68

軟 X 線発光・共鳴非弾性散乱分光の磁気円・線二色性測定システムの構築

菅69

二次元原子薄膜トランジスタの電子状態のナノ分析 (T)

吹留70

高分解能光電子分光による酸化バナジウムの研
究71

軟 X 線吸収 / 発光分光法によるリチウム電池電
極材料の電子物性研究担当所員：和達

氏名
滋正

所属
大阪大学

産業科学研究所

博一

東北大学

藤原

秀紀

大阪大学

細野

英司

Title
Construction of a noble system for circular and linear
dichroism in soft X-ray emission and RIXS spectroscopy

Name

Organization

Suga Shigemasa

Osaka University

電気通信研究所 Nanoscale analysis of electronic states of graphene device

Hirokazu Fukidome

Tohoku University

大学院基礎工学
Study on vanadium oxides by high resolution Photoemission
研究科

Hidenori Fujiwara

Osaka University

産業技術総合研 エネルギー技術 Study on the electronic property of electrode materials for Liion batteries by soft X-ray absorption/emission spectroscopy
究所
研究部門

Eiji Hosono

National Institute ofAdvanced Industrial
Science and Technology

大樹72

共鳴硬・軟 X 線散乱による構造物性と磁性研究村上洋一

高エネルギー加 物質構造科学研 Studying structures and magnetism of materials by resonant
hard and soft x-ray scattering
速器研究機構究所

Youichi MurakamiHigh Energy
Accelerator ResearchInstitute73

三次元 nanoESCA による実デバイスのオペラン
永村
ド電子状態解析直佳

物質・材料研究 先端材料解析研 Operando analysis of the electronic structure of actual devices
Naoka Nagamura
by 3DnanoESCA
機構
究拠点

National Institute forMaterials Science74

共鳴軟Ｘ線散乱を用いた外場下での電子秩序状
態の解明

裕一

東京大学

山崎

大学院工学系研 Observation of electric ordered state under external field byresonant soft x-ray scattering
究科

Yuichi Yamasaki

The University ofTokyo

一般研究員 / General Researcher
No.

課題名

ISSP Activity Report 2016

担当所員：榊原

氏名

所属

Title

Name

Organization

俊郎

1

重い電子系超伝導体の対称性の決定

町田

一成

立命館大学

理工学部

Determination of gap symmetry in heavy fermion
superconductors

Kazunari Machida

Ritsumeikan
University2

強相関電子系化合物の秩序相に対する結晶対称性および電子軌道の効果

横山

淳

茨城大学

理学部

Effects of crystal symmetry and electron orbitals in orderedstates of strongly correlated electron systems

Makoto Yokoyama

Ibaraki University

3

〃

益子

寛明

茨城大学

大学院理工学研
究科〃

Hiroaki Mashiko

Ibaraki University

加瀬

直樹

新潟大学

自然科学研究科

Magnetization measurements of RIr2Zn20 (R = Rare earth) at
low temperature

Kase Naoki

Niigata University〃

4

RIr2Zn20(R = 希土類元素 ) の極低温磁化測定

59

5

〃

棚橋

正貴

新潟大学

自然科学研究科

6

層状ルテニウム酸化物超伝導体 Sr2RuO4 における一軸性圧力下比熱測定

矢口宏

東京理科大学

理工学部

Specific heat measurements of the layered ruthenate
superconductor Sr2RuO4 under uniaxial pressure

Tanahashi Masataka Niigata University
Hiroshi Yaguchi

Tokyo University of
Science

60

No.

課題名

7

〃

ISSP Activity Report 20168

重い電子系 Ce2Pt6Ga15 の極低温比熱測定

910〃
三方晶 DyNi3Ga9 の極低温磁化比熱測定

11
12

〃
(Th, U)Ru2Si2 混晶系の電子状態

氏名

所属

Title

Name

Organization

Teruo Yamazaki

Tokyo University of
Science

大学院工学研究
Specific heat measurement of heavy fermion Ce2Pt6Ga15
科Yuji Matsumoto

Nagoya Institute ofTechnology

名古屋工業大学

大学院工学研究
科

Takuya Ueda

Nagoya Institute ofTechnology

裕司

名古屋工業大学

大学院工学研究
Magnetic and specific heat measurements of trigonal DyNi3Ga9 Yuji Matsumoto科

Nagoya Institute ofTechnology

二宮博樹

名古屋工業大学

大学院工学研究
科

Hiroki Ninomiya

Nagoya Institute ofTechnology

芳賀芳範

日本原子力研究 先端基礎研究セElectronic states in (Th, U)Ru2Si2 alloy system
開発機構
ンター

Yoshinori Haga

Japan Atomic Energy
AgencyYuji Matsumoto

Nagoya Institute ofTechnology

山崎照夫

東京理科大学

理工学部

松本

裕司

名古屋工業大学

植田

拓也

松本

〃

〃

〃

13

〃

松本

裕司

名古屋工業大学

大学院工学研究科

14

強相関電子系準結晶・近似結晶の極低温磁化測
定

出口

和彦

名古屋大学

大学院理学研究 Low temperature magnetization measurement of strongly
correlated electron quasicrystals and approximants
科

Kazuya Deguchi

Nagoya University

15

〃

松川

周矢

名古屋大学

大学院理学研究
科〃

Shuya Matsukawa

Nagoya University

16

〃

國方

翔太

名古屋大学

大学院理学研究科〃

Shouta Kunikata

Nagoya University

山口博則

大阪府立大学

大学院理学系研 Low temperature physical properties of metal-radical hybridspin systems
究科

Hironori Yamaguchi

Osaka Prefecture
University

岡田将孝

大阪府立大学

大学院理学系研
究科

Masataka Okada

Osaka Prefecture
University

UBe13 及びその Th 置換系における極低温精密物
清水
性測定

悠晴

東北大学

金属材料研究所

Yusei Shimizu

Tohoku University

松木

孝憲

東京大学

大学院新領域創Research on nano sensing devices
成科学研究科Takanori Matsuki

The University ofTokyo

超流動 3He-A1 相中のスピン流れと電場の交差相
白濱
関の探索

圭也

慶應義塾大学

理工学部

Keiya Shirahama

Keio Universitt

17

有機無機ハイブリッドスピン系の低温物性

18
19

〃

担当所員：長田20

21〃
Study of heavy-fermion superconductivity and non-Fermiliquid behaviors in UBe13 and Th-doped systems

俊人

ナノセンシングデバイスに関する研究担当所員：山下〃穣
Study of cross-correlation between spin flow and electric fieldin superfluid 3He-A1

No.

課題名

22

〃

山口

明

兵庫県立大学

大学院物質理学研究科〃

Akira Yamaguchi

University of Hyogo

23

〃

村川

智

東京大学

低温センター〃

Satoshi Murakawa

The University of
Tokyo

24

〃

互井

通裕

慶應義塾大学

大学院理工学研
究科〃

Michihiro Tagai

Keio Universitt

制限空間内で回転する超流動ヘリウム３− A 相の石川
量子渦の研究修六

大阪市立大学

大学院理学研究 Study on quantum vortices of Superfluid 3He-A phase inconfined geometry科

Osamu Ishikawa

Osaka Prefecture
University

25

担当所員：勝本

氏名

所属

Title

Name

Organization

信吾

ISSP Activity Report 201626

グラフェン、及び各種二次元単原子層の新奇ス
ピン物性の研究春山

純志

青山学院大学

大学院理工学研 Study of novel spin-based phenomena in graphene and other2D mono-atomic layers
究科

Jyunji Haruyama

Aoyama Gakuin
University

27

〃

片桐

勇人

青山学院大学

大学院理工学研
究科〃

Yoto Katagiri

Aoyama Gakuin
University

28

〃

山田

峻矢

青山学院大学

大学院理工学研
究科〃

Shunya Yamada

Aoyama Gakuin
University

29

〃

大畠

智佳

青山学院大学

大学院理工学研
究科〃

Chika Ohata

Aoyama Gakuin
University

30

〃

深井

佳乃

青山学院大学

大学院理工学研
究科〃

Yoshino Fukai

Aoyama Gakuin
University

割澤

伸一

東京大学

大学院新領域創Research on nano sensing devices
成科学研究科

Shinichi Warisawa

The University of
Tokyo

孝憲

東京大学

大学院新領域創成科学研究科〃Takanori Matsuki

The University of
Tokyo

31

ナノセンシングデバイスに関する研究

32

〃

松木

33

〃

方

琦

東京大学

大学院新領域創成科学研究科〃Fang Qi

The University of
Tokyo

34

〃

中村 高道

東京大学

大学院新領域創成科学研究科〃

Takamichi
Nakamura

The University of
Tokyo

嘉之

大阪大学

大学院生命機能 Surface atomic structure and local electronic states of Kondo
semiconductor YbB12(001)
研究科

Yoshiyuki Ohtsubo

Osaka University

健太

大阪大学

大学院理学研究科

Kenta Hagiwara

Osaka University

担当所員：小森
35

61

36

文夫

近藤半導体 YbB12(001) 表面原子構造と局所電子
大坪
状態
〃

萩原

〃

62

No.
37

課題名

ISSP Activity Report 2016

Al-Pd-Ru 準結晶・近似結晶における空孔濃度の
金沢
研究

38
39

氏名

〃

40

〃

育三

東京学芸大学自然科学系

諒

東京学芸大学

大学院教育学研
究科

益明

東京学芸大学

教育学部

東京学芸大学

大学院教育学研究科

中島

Ni(111) 試料の表面酸化と酸化物表面近傍の酸素松本
欠損型欠陥に関する研究

所属

小野寺

健洋

Title

Name

Organization

Positron-annihilation studies of Al-Pd-Mn quasicrystal and its
approximant crystals

Ikuzo Kanazawa

Tokyo Gakugei
University〃

Makoto Nakajima

Tokyo Gakugei
University

Study of oxidation of Ni(111) surface and vacancies near theoxide surface

Masuaki Matsumoto

Tokyo Gakugei
University〃

Takehiro Onodera

Tokyo Gakugei
University

41

Ag 超薄膜 /Si(111) 基板界面への水素吸蔵

中辻寛

東京工業大学

大学院総合理工 Hydrogen absorption at the interface of Ag thin film andSi(111) substrate
学研究科

Kan Nakatsuji

Tokyo Gakugei
University

42

レアメタルフリー磁性材料 L10-FeCo の磁気特
性の解析

小嗣

真人

東京理科大学

基礎工学部

Analysis of magnetic properties of rare-metal-free supermagnet "L10-FeCo"

Masato Kotsugi

Tokyo University of
Science43“トポロジカル近藤絶縁体 "SmB6 の走査トンネル
菅
顕微分光

大阪大学

産業科学研究所

Scanning tunneling microscopy/spectroscopy of the so-called
topological Kondo insulator SmB6

Shigemasa Suga

Osaka University

44

金属／半導体表面上へのナノ構造を持つ超薄膜の形成とその磁気ダイナミックスの磁気光学的測定

担当所員：長谷川

滋正

河村

紀一

日本放送協会
新機能デバイス Study on magnetic dynamics of ultra-thin films and nanostructures on metal / semiconductor surfaces
放送技術研究所 研究部

NHK Science andNorikazu Kawamura Technology ResearchLaboratories

高村

由起子

北陸先端科学技 マテリアルサイ Low temp. STM investigation of epitaxial silicene andgermanene on diboride
術大学院大学
エンス研究科Yukiko Takamura

幸雄
Japan Advanced
Institute of Scienceand Technology

45

二ホウ化物薄膜上エピタキシャルシリセン及びゲルマネンの低温走査トンネル顕微鏡観察

46〃

アントワーヌフロランス

北陸先端科学技 マテリアルサイ術大学院大学
エンス研究科〃

Antoine Fleurence

47

〃

米澤

隆宏

北陸先端科学技 マテリアルサイエンス研究科
術大学院大学〃

Takahiro Yonezawa

Japan Advanced
Institute of Scienceand Technology

48

特異なラシュバ効果によるスピンホール効果の
観測

坂本

一之

千葉大学

大学院融合科学 Observation of the spin Hall effect originating from a peculiar
Rashba effect研究科

Kazuyuki Sakamoto

Chiba University

49

〃

阿部

巧

千葉大学

大学院融合科学
研究科

Takumi Abe

Chiba University

達也

九州大学

大学院工学研究 Development of a miniature STM for low-temperature andhigh-eld measurements of heavy fermion superconductors
院

Tatsuya Kawae

Kyusyu University

50

重い電子系超伝導の実空間観察のための超低温・河江
強磁場の小型 STM の開発〃

Japan Advanced
Institute of Scienceand Technology

51

〃

高田

弘樹

九州大学

大学院工学府〃

Hiroki Takata

Kyusyu University

52

〃

志賀

雅亘

九州大学

大学院工学府〃

Masanobu Shiga

Kyusyu University

No.
53

課題名
STM/STS による 1 原子層表面超構造 (Tl,Pb)/
Si(111) における超伝導ギャップの観測担当所員：リップマー

氏名

Title

Name

Organization

高山

あかり

東京大学

大学院理学系研 Observation of superconducting gap for one-atomic-layer
Akari Takayama
surface-superstructure (Tl,Pb)/Si(111) studied by STM and STS
究科

The University of
Tokyo

一裕

東京大学

大学院新領域創 A study of structural and functional properties of perovskite
solar cells fabricated by vacuum evaporation method
成科学研究科Kazuhiro Kawashima

The University ofTokyo

東京工業大学

応用セラミック The creation of novel wurtzite-type tetrahedral ferroelectricmaterials (II)ス研究所

Shintaro Yasui

Tokyo Institute ofTechnology

ミック

54

真空蒸着法で製膜されたペロブスカイト太陽電池の構造・機能性の評価

川嶋

55

新規ウルツァイト型四面体強誘電体材料の創成(II)安井 伸太郎56

遷移金属酸化物 LaAlO3/SrTiO3 ヘテロ界面金属
李 美希
層における Ir ドープの影響

担当所員：吉信所属

奈良先端科学技 物質創成科学研
Effects of the doped Ir in the LaAlO3/SrTiO3 metallic interface Mihee Lee
術大学院大学
究科

Nara Instituteof Science andTechnology

淳

ISSP Activity Report 201657

遷移金属酸窒化物・酸硫化物のドーピングと水の光分解触媒への応用の研究

山田

太郎

東京大学

大学院工学系研 Doping of transition-metal oxynitrides and oxysulfides andapplication for water-splitting photocatalysts
究科

Taro Yamada

The University of
Tokyo

58

〃

後藤

陽介

東京大学

大学院工学系研
究科〃

Yousuke Goto

The University of
Tokyo

59

〃

坂井

延寿

東京大学

大学院工学系研
究科〃

Enjyu Sakai

The University of
Tokyo

60

〃

西山

洋

東京大学

化学システム工学〃

Hiroshi Nishiyama

The University of
Tokyo

61

〃

守屋

映祐

東京大学

大学院工学系研
究科〃

Yosuke Moriya

The University of
Tokyo

62

〃

鐘

東京大学

大学院工学系研
究科〃

Zhong Miao

The University of
Tokyo

63

〃

岩瀬

元希

明治大学

研究・知財戦略機構〃

Motoki Iwase

Meiji University64

Si(001) 表面上の準安定共吸着過程の透過 FTIR
測定

大野

真也

横浜国立大学

大学院工学研究 FTIR measurements of metastable physisorption processes on
Si(001)
院

Shinya Ohno

Yokohama National
University

65

〃

小川

新

横浜国立大学

理工学部

Arata Ogawa

Yokohama National
University

彰三

東北大学

大学院理学研究 Wet chemical etching process of the hydrogen terminatedSi(110)-(1×1) surfaces Ⅱ科

Shozo Suto

Tohoku University

絵里奈

東北大学

大学院理学研究
科

Erina Kawamoto

Tohoku University

66

63

67

水素終端 Si(110)-(1×1) 表面のエッチング過程Ⅱ：
須藤
非線形プロセスの形成

苗

〃

川本

〃

〃

64

No.

課題名

担当所員：秋山

ISSP Activity Report 2016

68

氏名

所属

Title

Name

Organization

英文GaPN 混晶のアップコンバージョン発光に関する
矢口
研究

裕之

埼玉大学

大学院理工学研
Upconversion luminescence in GaPN alloys
究科

Hiroyuki Yaguchi

Saitama University

69

〃

飯村

啓泰

埼玉大学

大学院理工学研
究科〃

Keitai Iimura

Saitama University

70

〃

高宮

健吾

埼玉大学

総合技術支援センター〃

Kengo Takamiya

Saitama University

松木

孝憲

東京大学

大学院新領域創Research on nano sensing devices
成科学研究科Takanori Matsuki

The University of
Tokyo

山田

高広

東北大学

多元物質科学研 Characterization of crystal structures and electric properties of
Takahiro Yamada
intermetallic compounds with tunnel structures
究所

Tohoku University

71

ナノセンシングデバイスに関する研究担当所員：廣井72

善二

トンネル構造を有する金属間化合物の結晶構造
および電子物性に関する研究担当所員：川島直輝

73

蜂の巣格子一般化 Heisenberg-Kitaev 模型の磁気励起と熱励起鈴木隆史

兵庫県立大学

大学院工学研究 Magnetic and thermal properties of the generalized
Heisenberg-Kitaev model on a honeycomb lattice
科

Takafumi Suzuki

University of Hyogo74

テンソルネットワーク法のアルゴリズム開発

原田

健自

京都大学

大学院情報学研
Development of tensor network algorithms
究科Kenji Harada

Kyoto University

鳥塚Kiyoshi Torizuka

Musashino University

担当所員：上床美也
Studies on High Pressure Properties of Organic Molecular
Conductors

75

有機分子性導体の高圧物性の研究

潔

武蔵野大学

教育学部

76

Co 基ホイスラー合金における圧力誘起マルテン
重田 出
サイト変態に関する研究

鹿児島大学

大学院理工学研 Study on pressure-induced martensitic phase transformation in
Shigeta Iduru
Co-based Heusler alloys
究科

Kagoshima University

隆太郎

鹿児島大学

理学部

Ryutaro Ooka

Kagoshima University

孝禎

東京大学

大学院新領域創 Determination of electronic phase diagram under highpressure in single crystals of iron-based superconductor FeSe
成科学研究科Takasada Shibauchi

The University of
Tokyo

77
78

〃

大岡

鉄系超伝導体 FeSe 単結晶における圧力電子相図
芝内
の決定

〃

79

〃

水上

雄太

東京大学

大学院新領域創成科学研究科〃Yuta Mizukami

The University of
Tokyo

80

〃

松浦

康平

東京大学

大学院新領域創成科学研究科〃Kouhei Matsuura

The University of
Tokyo

No.

課題名

氏名

単結晶 R2T3Ge5(R: 希土類，T: 遷移金属元素 ) の
中島
高圧下物性

所属

Title

Name

Organization

美帆

信州大学

理学部

Physical properties of R2T3Ge5 (R: rare earth metal, T:transition metal element) single crystals under high pressure

Miho Nakashima

Shinshu University

中村

優希

信州大学

理学部

〃

Yuki Nakamura

Shinshu University

83

鉄系超伝導体 KxFe2-yCh2(Ch=S, Se) の圧力下電
小林
気抵抗測定

寿夫

兵庫県立大学

大学院物質理学 Electrical resistivity measurements under high pressure on
KxFe2-yCh2(Ch=S and Se)
研究科

Hisao Kobayashi

University of Hyogo84

ホイスラー化合物強磁性体 Co2FeGa の高圧化磁
伊藤
化測定

昌和

鹿児島大学

学術研究院理工
Magnetization of Heusler compound Co2FeGa under pressure
学域

Masakazu Ito

Kagoshima University

松隈

秀憲

鹿児島大学

大学院理工学研
究科

Hidenori Matsuguma Kagoshima University

81
82

〃

85

〃

〃

86

三角格子反強磁性体の低温磁性

柄木

良友

琉球大学

教育学部

Low temperature magnetism of triangular antiferromagnets.

Yoshitomo Karaki

University of the
Ryukyus87

RT2Cd20 の圧力下電気抵抗

廣瀬

雄介

新潟大学

理学部

Resistivity of RT2Cd20 under pressure

Yusuke Hirose

Niigata University

Ryoma Tsunoda

Niigata University

88

〃

角田

竜馬

新潟大学

大学院自然科学研究科

89

梯子格子銅酸化物超伝導体の圧力下電気抵抗率
測定

久田

旭彦

徳島大学

大学院ソシオ・アーツ・アンド・サ
イエンス研究部

90

〃

藤原

直樹

京都大学

大学院人間・環境学研究科〃

Resistivity measurements under pressure in the two-leg ladderAkihiko Hisadacuprate superconductor〃

ISSP Activity Report 201691

有機導体研究に向けた静水圧高圧技術の開発

村田惠三

大阪経済法科大 ２１世紀社会総 Development of High Pressure Technique orienting to the
学合研究センター Research of Organic Conductors

92

回転希釈冷凍機を用いた量子液体・固体研究白濱圭也

慶應義塾大学

理工学部

Study of quantum fluids and solids using rotating dilution
refrigerator

Tokushima University

Naoki Fujiwara

Kyoto University

Keizo Murata

Osaka University of
Economics and Law

Keiya Shirahama

Keio Universitt

93

〃

村川

智

東京大学

低温センター〃

Satoshi Murakawa

The University of
Tokyo

94

〃

高橋

大輔

足利工業大学

共通教育センター〃Daisuke Takahashi

Ashikaga Institute ofTechnology

95

〃

立木

智也

慶應義塾大学

大学院理工学研
究科〃

Tomoya Tsuiki

Keio Universitt

65

96

YbH2+x の磁性と伝導中村修

岡山理科大学

学外連携推進室 Magnetic and transport properties in YbH2+x

Osamu Nakamura

Okayama University of
Science97

希土類化合物における価数揺らぎの圧力効果

中野

智仁

新潟大学

大学院自然科学 Effect of pressure of valence fluctuation in rare earth
compounds
研究科

Tomohito Nakano

Niigata University

66
ISSP Activity Report 2016

No.

課題名

氏名

所属

98

〃

上杉

和哉

新潟大学

大学院自然科学研究科

99

かご状化合物における新奇量子臨界現象の探索

中野

智仁

新潟大学

100

〃

福原

慶

101 YbCo2Zn20 の Co 元素位置の置換効果 III

阿曽

102

〃

103

〃

Title

Name

Organization〃

Kazuya Uesugi

Niigata University

大学院自然科学 Investigation of novel quantum critical phenomena in cagecompound
研究科

Tomohito Nakano

Niigata University

新潟大学

大学院自然科学研究科

Kei Fukuhara

Niigata University

尚文

琉球大学

理学部

Naofumi Aso

University of the
Ryukyus

小林

理気

琉球大学

理学部

〃

Riki Kobayashi

University of the
Ryukyus

高村

治希

琉球大学

大学院理工学研
究科〃

Haruki Takamura

University of the
Ryukyus104 YbCo2Zn20 の Zn 元素位置の置換効果 III

阿曽

尚文

琉球大学

理学部

Naofumi Aso

University of the
Ryukyus

105

〃

小林

理気

琉球大学

理学部

〃

Riki Kobayashi

University of the
Ryukyus

106

〃

高村

治希

琉球大学

大学院理工学研
究科〃

Haruki Takamura

University of the
Ryukyus

繁岡

透

山口大学

大学院理工学研 Magnetic transitions of polymorphic compound RIr2Si2(R=rare
Toru Shigeoka
earth) 6
究科

Yamaguchi University

大学院理工学研究科

107 多形化合物 RIr2Si2(R= 希土類）の磁気転移

6〃
Substitution effect at Co element in YbCo2Zn20 III

Substitution effect at Zn element in YbCo2Zn20 III

108

〃

藤原

哲也

山口大学

109

〃

内間

清晴

沖縄キリスト教
総合教育系
短期大学

110 擬三元系 (Ho,Y)Rh2Si2 単結晶の磁気特性 3

繁岡

透

山口大学

111

〃

内間

清晴

沖縄キリスト教
総合教育系
短期大学

〃

Kiyoharu Uchima

Okinawa Christian
Junior College

112

〃

園部

太暉

山口大学

理学部

〃

Taiki Sonobe

Yamaguchi University

113

ホイスラー型強磁性形状記憶合金の格子定数の
圧力依存性

安達

義也

山形大学

大学院理工学研 Pressure dependence of the lattice constants for the Heusler
type ferromagnetic shape memory alloys
究科

Yoshiya Adachi

Yamagata University

114

〃

小木

雄貴

山形大学

工学部

Yuki Ogi

Yamagata University〃

Tetsuya Fujiwara

Yamaguchi University〃

Kiyoharu Uchima

Okinawa Christian
Junior College

大学院理工学研 Magnetic characteristics of pseudoternary system (Ho,Y)Rh2Si2
Toru Shigeoka
single crystal 3
究科〃

Yamaguchi University

No.

課題名

氏名

所属

Title

Name

Organization

115 圧力下磁場中点接合分光実験の試み

本山

岳

島根大学

大学院総合理工 Development of a new method of Point-Contact-Spectroscopy
under pressure
学研究科

Gaku Momoyama

Shimane University

116

〃

瀬崎

眞澄

島根大学

大学院総合理工学研究科

Masumi Sezaki

Shimane University117

導電性ラングミュア・ブロジェット膜の高圧下の電気的性質に関する研究

三浦康弘

桐蔭横浜大学

大学院工学研究 Studies on Electrical Properties of Conductive LangmuirBlodgett Films under High Pressure
科

Yasuhiro Miura

Toin University of
Yokohama

118 新規三元化合物 EuCuP2 の輸送特性 (2)

藤原

哲也

山口大学

大学院理工学研Transport property of the novel ternary compound EuCuP2 II
究科

Tetsuya Fujiwara

Yamaguchi University

119

園部

太暉

山口大学

理学部

Taiki Sonobe

Yamaguchi University

120 YbMn2Ge2 の高圧力下磁化測定 (3)

藤原

哲也

山口大学

大学院理工学研 Magnetization measurements under high pressures inYbMn2Ge2 III
究科

Tetsuya Fujiwara

Yamaguchi University

121

平山

拓斗

山口大学

理学部

Takuto Hirayama

Yamaguchi University

Pr-Zn-Ge 三元系新規化合物の合成および単結晶
藤原
育成 (2)

哲也

山口大学

大学院理工学研 Synthesis and single crystal growth of Pr-Zn-Ge novel ternaryintermetallics II
究科

Tetsuya Fujiwara

Yamaguchi University

拓斗

山口大学

理学部

Takuto Hirayama

Yamaguchi University

122
123

〃

〃

〃

平山

〃

〃

〃

〃

ISSP Activity Report 2016

124 ウラン化合物反強磁性体 UIrGe の圧力効果

Pospisil Jiri

日本原子力研究 先端基礎研究セ Effect of pressure on antiferromagnetism in uranium
compound UIrGe
開発機構
ンター

Jiri Pospisil

Japan Atomic Energy
Agency

125

〃

芳賀

芳範

日本原子力研究 先端基礎研究セ
開発機構
ンター

Yoshinori Haga

Japan Atomic Energy
Agency126

強相関電子系準結晶・近似結晶における高圧下
物性研究

出口

和彦

名古屋大学

大学院理学研究 High-pressure study on strongly correlated electron
quasicrystals and approximants
科

Kazuhiko Deguchi

Nagoya University

127

〃

松川

周矢

名古屋大学

大学院理学研究
科

Shuya Matsukawa

Nagoya University

128 Mn2Sb 基メタ磁性体の磁気特性

小山

佳一

鹿児島大学

大学院理工学研
Magnetic properties of Mn2Sb-based metamagnets
究科

Keiichi Koyama

Kagoshima University

129

アッドライン
ンゴジ ム
ウッド

鹿児島大学

大学院理工学研
究科

Adline Ngozi Nwodo Kagoshima University

拓也

東北大学

大学院理学研究 Evaluation of pressure dependences of electronic properties on
Takuya Aoyama
three-dimensional orthogonal dimer iridium oxide
科

史憲

東北大学

金属材料研究所

130〃

3 次元直交ダイマー格子イリジウム酸化物におけ青山
る電子物性の圧力依存性の評価

67

131 圧力下で価数転移を示す Eu 化合物の探索

本多

〃

〃

〃

Investigation of valence transition of Eu compounds underhigh pressure

Fuminori Honda

Tohoku University
Tohoku University

68

No.

課題名

132

〃

氏名

所属

Title

Name

Organization

ISSP Activity Report 2016

Yoshichika Onuki

University of the
Ryukyus

大学院理工学研
Substitution effects for ferromagnetic compound CrAlGe
究科

Yoshifuru Mitsui

Kagoshima University

鹿児島大学

大学院理工学研
究科

Soshi Yoshinaga

Kagoshima University

好古

鹿児島大学

大学院理工学研 Metamagnetic transition and arrested effect for Mn2Sb-based
ferrimagnet
究科

Yoshifuru Mitsui

Kagoshima University

若森

太音

鹿児島大学

大学院理工学研
究科

Wakamori Taoto

Kagoshima University

137 遷移金属化合物の高圧力下の輸送特性

仲間

隆男

琉球大学

理学部

Takao Nakama

University of the
Ryukyus

138

〃

屋良

朝之

琉球大学

大学院理工学研
究科

Tomoyuki Yara

University of the
Ryukyus139

空間反転対称性のない遷移金属間化合物とその関連物質の高圧下輸送特性

辺土

正人

琉球大学

理学部

140

〃

垣花

将司

琉球大学

大学院理工学研
究科〃

Masashi Kakihana

University of the
Ryukyus

141

〃

西村

健吾

琉球大学

大学院理工学研
究科〃

Kengo Nishimura

University of the
Ryukyus142 価数揺動物質の高圧力中輸送特性の研究

仲間

隆男

琉球大学

理学部

Transport properties of valence fluctuating compounds underpressure

Takao Nakama

University of the
Ryukyus

143

鈴木

史記

琉球大学

大学院理工学研
究科〃

Fuminori Suzuki

University of the
Ryukyus144 圧力誘起価数転移の探索と高圧下輸送特性

辺土

正人

琉球大学

理学部

145

〃

安次富

琉球大学

大学院理工学研
究科

146

鉄系超伝導体 KxFe2-yCh2 (Ch=S, Se) の圧力下
電気抵抗測定池田修悟

兵庫県立大学

147

〃

土屋

優

兵庫県立大学

大貫

惇睦

琉球大学

理学部

133 強磁性体 CrAlGe に対する元素置換効果

三井

好古

鹿児島大学

134

〃

吉永 総志

135

Mn2Sb 基フェリ磁性体のメタ磁性転移とアレス
ト効果

三井

136

〃

〃

担当所員：吉澤

英樹

洋介

〃

〃

〃
Pressure effect on transport properties of transition metalcompounds〃

Transport properties of non-centrosymmetric transition metals
Masato Hedo
compounds under high pressure

Searching of pressure-induced valence transition and transport
Masato Hedo
properties under high pressure

University of the
Ryukyus

University of the
Ryukyus

Yousuke Ashitomi

University of the
Ryukyus

大学院物質理学 Development of secondary battery materials by nanostructure
control
研究科

Shugo

Ikeda

University of Hyogo

大学院物質理学研究科

Yuu

Tsuchiya

University of Hyogo

〃

〃

No.

課題名

氏名

所属

Title
Specific heat measurement at very low temperature on
YbCo2Zn20 systems II

Name

Organization

Riki Kobayashi

University of the
Ryukyus148 YbCo2Zn20 置換系試料の極低温比熱測定 II

小林

理気

琉球大学

理学部

149

〃

阿曽

尚文

琉球大学

理学部

〃

Naofumi Aso

University of the
Ryukyus

150

〃

高村

治希

琉球大学

大学院理工学研
究科〃

Haruki Takamura

University of the
Ryukyus

鉄系超伝導物質 FeTe1-xSx の純良大型単結晶にお山崎
ける O2 雰囲気中アニールの効果

照夫

東京理科大学

理工学部

Effect of O2-annealing in the pure large single crystals of the
Fe-based superconducting material FeTe1-xSx

Teruo Yamazaki

Tokyo University of
Science

151
152

〃

矢口

宏

東京理科大学

理工学部〃

Hiroshi Yaguchi

Tokyo University of
Science

153

〃

飯泉

武顕

東京理科大学

理工学研究科〃

Takeaki Iizuka

Tokyo University of
Science154

磁性不純物による三角スピンチューブのスピンダイナミクスの変化

真中

浩貴

鹿児島大学

学術研究院理工 Magnetic impurity effect on spin dynamics of triangular spin
tubes
学域

Hirotaka Manaka

Kagoshima University

155

Ce(Ru1-xRhx)2Al10(x>0.5) 単結晶試料の高エネル
小林ギー X 線ラウエ装置による結晶方位同定

理気

琉球大学

理学部

Alignment of Ce(Ru1-xRhx)2Al10(x>0.5) single crystals by highenergy X-ray Laue diffraction

Riki Kobayashi

University of the
Ryukyus

Ultra-high magnetic field magneto-optical approach to thestudy of magnetization plateau in Cu3Mo2O9 using vertical
single-turn coil system

Haruhiko Kuroe

Sophia University

担当所員：益田

担当所員：嶽山隆嗣

正二郎

ISSP Activity Report 2016

69

156

超強磁場磁気光学による Cu3Mo2O9 の磁化プラ
黒江
トーの研究

晴彦

上智大学

理工学部

157

磁気光学測定を用いたハロゲン化金属ペロブス
カイト型結晶の励起子特性の研究

松下

智紀

東京大学

大学院工学系研 Study on excitonic properties of organometallic lead halide
perovskite using magneto-optical measurement
究科

Tomonori Matsushita

The University of
Tokyo

158

〃

中村

唯我

東京大学

大学院工学系研
究科

Yuiga Nakamura

The University of
Tokyo

159

10 MJ コンデンサーバンク用大型ワイドボアパ
ルスマグネットの開発

萩原

政幸

大阪大学

大学院理学研究 Development of a large wide-bore pulse magnet for a 10 MJ
capacitor bank科

Masayuki Hagiwara

Osaka University

160

〃

谷口

一也

大阪大学

大学院理学研究科

Kazuya Taniguchi

Osaka University

161

元素置換したクロミズム化合物の強磁場下での
構造と磁性

浅野

貴行

福井大学

大学院工学研究 Structural and magnetic properties of element-substituted
chromic compounds under high-magnetic fields
科

Takayuki Asano

University of Fukui

担当所員：金道

〃

浩一

〃

70
ISSP Activity Report 2016

No.

課題名

氏名

所属

162

〃

横山

太紀

福井大学

工学部

163

幾何学的フラストレート磁性体の強磁場磁化測
定

菊池

彦光

福井大学

164

〃

笠松

直幸

Title
〃

University of Fukui

大学院工学研究
Magnetization measurements of the frustrated magnets
科

Hikomitsu Kikuchi

University of Fukui

福井大学

大学院工学研究
科

Naoyuki Kasamatsu

University of Fukui

Physical properties in rare earth intermetallic compounds athigh magnetic fields

Takao Ebihara

Shizuoka University〃

Jumaeda Jatmika

Shizuoka University

Fumitoshi Iga

Ibaraki University

Naoyuki Uematsu

Ibaraki University

Magnetic and thermal properties of rare earth dodeca-borides
produced by high pressure synthesis

Fumitoshi Iga

Ibaraki University〃

Shoya Kikuchi

Ibaraki University

Fumitoshi Iga

Ibaraki University

Keisei Yokomichi

Ibaraki University

〃

海老原

孝雄

静岡大学

理学部

166

〃

ジュマエダ・
ジャトミカ

静岡大学

大学院総合科学技術研究科

167

近藤半導体 (Yb, R)B12 (R=Zr, Sc, Y) の 80T 級
磁場下での強磁場物性

伊賀

文俊

茨城大学

理学部

168

〃

植松 直之

茨城大学

大学院理工学研
究科

169 高圧合成希土類 12 ホウ化物の磁化特性と比熱

伊賀

文俊

茨城大学

理学部

170

菊地

翔弥

茨城大学

大学院理工学研
究科

高圧合成希土類 12 ホウ化物及び valence
171 skipping 超伝導参照物質 (Ca,Sr)FeO3 の磁化特
性と比熱

伊賀

文俊

茨城大学

理学部

Magnetic and thermal properties of rare earth dodeca-borides
produced by high pressure synthesis and valence-skipping
superconductor reference (Ca,Sr)FeO3

172

〃

横道

啓省

茨城大学

理学科

〃

173

topological insulator SmB6,YbB12 の磁化特性
と比熱

伊賀

文俊

茨城大学

理学部

174

〃

平野

航

茨城大学

理学部

High field physical property of Kondo insulator (Yb, R)B12(R=Zr, Sc, Y) up to 80T class by using the pulse magnet〃

Magnetic and thermal properties of topological insulator SmB6
Fumitoshi Iga
and YbB12〃

175

スピン 1/2 反強磁性テトラマー物質 CuInVO5 の長谷
強磁場磁化測定正司

物質・材料研究 量子ビームユニ High-field magnetization measurements on the spin-1/2
antiferromagnetic tetramer substance CuInVO5
機構
ット

176

重い電子系化合物が示す非従来型超伝導と磁性
の相関

横山

淳

茨城大学

理学部

177

〃

大高 凌

茨城大学

大学院理工学研
究科

和氣

京都大学

大学院工学研究 Magnetization measurement on itinerant electron Cr-based
carbides and nitrides
科

178 Cr 系遍歴電子炭化物窒化物の強磁場磁化測定

剛Organization

Taiki Yokoyama

165 希土類金属間化合物の強磁場物性研究

〃

Name

Interplay between unconventional superconductivity andmagnetism in heavy-fermion compounds〃

Ibaraki University

Wataru Hirano

Ibaraki University

Masashi Hase

National Institute forMaterials Science

Makoto Yokoyama

Ibaraki University

Ryo Otaka

Ibaraki University

Takeshi Waki

Kyoto University

No.

課題名

氏名

所属

179

〃

高尾

健太

京都大学

大学院工学研究科

180

二次元または三次元のフラストレート格子を持
つフッ化物の磁性

植田

浩明

京都大学

181

〃

後藤

真人

182

〃

稲盛

183 スピネル CuCr2S4 の高磁場物性

伊藤

184

〃

平

185

YbMn6Ge6 およびその周辺物質の強磁場磁化過
程

道岡

186

〃

187

ISSP Activity Report 2016

71

Title

Name

Organization〃

Kenta Takao

Kyoto University

大学院理学研究 Magnetism of fluorides with two-dimensional or threedimensional frustrated lattices
科

Hiroaki Ueda

Kyoto University

京都大学

大学院理学研究科〃

Masato Goto

Kyoto University

樹

京都大学

理学部

〃

Tatsuki Inamori

Kyoto University

昌和

鹿児島大学

学術研究院理工
Magnetic properties of spinel CuCr2S4 in high magnetic field
学域

Masakazu Ito

Kagoshima University

鹿児島大学

大学院理工学研
究科

Atsushi Taira

Kagoshima University

千城

京都大学

大学院理学研究 High field magnetization of YbMn6Ge6 and its substituted
compounds
科

Chishiro Michioka

Kyoto University

原口

祐哉

京都大学

大学院理学研究
科〃

Yuya Haraguchi

Kyoto University

〃

勝間

勇人

京都大学

大学院大学院理学研究科〃

Hayato Katsuma

Kyoto University

188

三角カゴメ複合格子をもつ新規フラストレート
磁性体の強磁場磁化

佐藤

博彦

中央大学

理工学部

Hirohiko Sato

Chuo University

189

〃

石井

雄大

中央大学

理工学部

Takehiro Ishii

Chuo University

190 新規三角格子フェリ磁性体の磁場誘起相の探索

佐藤

博彦

中央大学

理工学部

Hirohiko Sato

Chuo University

191

〃

千代田

中央大学

大学院理工学研
究科

Ayaka Chiyoda

Chuo University

192

金属ナノクラスターネットワークの磁気抵抗測
定

稲田

貢

関西大学

システム理工学 Electronic transport properties of metal cluster networks underMitsuru Inada
high-magnetic field部

Kansai University

193

〃

中谷

勇哉

関西大学

大学院理工学研
究科

Yuya Nakatani

Kansai University

194 金属ナノ結晶の磁化特性

稲田

貢

関西大学

システム理工学
Magnetic properties of metal nanocrystals部

Mitsuru Inada

Kansai University

195

三宅

伴季

関西大学

大学院理工学研
究科

Tomonori Miyake

Kansai University

〃

敦志

彩果

〃

High-field magnetization of new frustrated magnet withkagome-triangular lattice〃
Search of field-induced magnetic phase of a new triangularlattice ferrimagnet
〃

〃

〃

72
ISSP Activity Report 2016

No.

課題名

196

過剰オーバードープ Bi-2212 のパルス強磁場中
面間輸送特性の研究

渡辺

孝夫

弘前大学

大学院理工学研 Interlayer magnetotransport measurements under pulsed
magnetic fields for heavily overdoped Bi-2212
究科

Takao Watanabe

Hirosaki University

197

〃

臼井

友洋

弘前大学

大学院理工学研
究科〃

Tomohiro Usui

Hirosaki University

198

〃

寺本

祐基

弘前大学

大学院理工学研
究科〃

Yuki Teramoto

Hirosaki University

有機 / 無機スピン源を持つ新規量子スピン系の低小野
温・強磁場物性俊雄

大阪府立大学

Physical properties in the low temperature and high magnetic
大学院理学系研
field region of the new quantum spin systems that has organic/ Toshio Ono
究科
inorganic spin sources

Osaka Prefecture
University

199

氏名

所属

Title

Name

Organization

200

〃

三宅

陽太

大阪府立大学

大学院理学系研
究科〃

Yota Miyake

Osaka Prefecture
University

201

〃

奥田

恭平

大阪府立大学

大学院理学系研
究科〃

Kyohei Okuda

Osaka Prefecture
University

202

〃

遠藤

耀司

大阪府立大学

大学院理学系研
究科〃

Youji Endo

Osaka Prefecture
University

博

横浜国立大学

大学院工学研究 Antiferromagnetism and thermoelectric properties in
A1-xSrxFeO3(A = Nd, Sm)院

Hiroshi Nakatsugawa

Yokohama National
University

東北大学

大学院工学研究 Investigation on physical properties of FeMn-based shapememory alloys
科

Xiao Xu

Tohoku University

担当所員：徳永将史

203

A1-xSrxFeO3 (A = Nd, Sm ) の反強磁性と熱電特中津川性に関する研究204

強磁場を利用した FeMn 基形状記憶合金の物性
調査

キョ

キョウ

茨城工業高等専
自然科学科
門学校

The transport phenomenon under high magnetic field of
higher manganese silicides (HMSs)

Yoshiaki Hara

National Institute ofTechnology, Ibaraki
College

雄介

新潟大学

理学部

High-field magnetization of PrT2Cd20

Yusuke Hiroshi

Niigata University

河野

琢馬

新潟大学

理学部

Takuma Kawano

Niigata University

208 マルチフェロイクス物質の磁場誘起現象の研究

寺田

典樹

物質・材料研究 中性子散乱グルStudy of magnetic field phenomena in multiferroics
機構ープ

Noriki Terada

National Institute forMaterials Science209

非破壊パルス磁場を用いた磁場誘起秩序相におけるグラファイトの輸送測定矢口宏

東京理科大学

理工学部

Hiroshi Yaguchi

Tokyo University of
Science210

遍歴電子強磁性中での局在磁気モーメントの磁
化過程

太田

寛人

東京農工大学

大学院工学研究 Magnetic behavior of localized magnetic moments in itinerant
Hiroto Ohta
ferromagnet
院

211

〃

鈴木

敦

東京農工大学

大学院工学府205 高マンガンシリサイドの強磁場下輸送現象

原

206 PrT2Cd20 の強磁場磁化測定

廣瀬

207

〃

嘉昭

〃

Transport measurements of graphite in the field-inducedordered phase using non-destructive pulsed magnetic fields〃

Atsushi Suzuki

Tokyo Universityof Agriculture andTechnology

Tokyo Universityof Agriculture andTechnology

No.

課題名

氏名

所属

212

フラストレーションを有する磁性体の強磁場下での振る舞い香取

浩子

東京農工大学

213

〃

磯崎

勝哉

214 六方晶 Eu2Pt6Ga15 の強磁場磁化過程

松本

215

Name

Organization

大学院工学研究 Magnetic properties of frustrated magnets in high magnetic
fields院

Hiroko Katori

Tokyo Universityof Agriculture andTechnology

東京農工大学

大学院工学府Katsuya Isozaki

Tokyo Universityof Agriculture andTechnology

裕司

名古屋工業大学

大学院工学研究 Magnetic properties of hexagonal Eu2Pt6Ga15 under highmagnetic field科

Yuji Matsumoto

Nagoya Institute ofTechnology

植田拓也

名古屋工業大学

大学院工学研究
科

Takuya Ueda

Nagoya Institute ofTechnology

216

3 次元直交ダイマー格子イリジウム酸化物におけ青山
る強磁場中磁気特性の評価

拓也

東北大学

大学院理学研究 Evaluation of magnetic properties on three-dimensional
orthogonal dimer iridium oxide under high magnetic field科

Takuya Aoyama

Tohoku University

217

カイラル量子磁性体 A(TiO)Cu4(PO4)4 (A = Ba,Sr) の強磁場磁化測定

健太

大阪大学

大学院基礎工学 High-field magnetization measurements of the chiral quantum
magnet A(TiO)Cu4(PO4)4(A = Ba, Sr)
研究科

Kenta Kimura

Osaka University218

強相関ウラン化合物 U(Ir,Rh)Ge の強磁場磁化測Pospisil Jiri
定日本原子力研究 先端基礎研究セ High-field magnetization in strongly correlated uranium
compounds U(Ir,Rh)Ge
開発機構
ンター

Jiri Pospisil

Japan Atomic Energy
AgencyYoshinori Haga

Japan Atomic Energy
Agency

〃

木村

Title

〃

〃

ISSP Activity Report 2016

219

〃

芳賀

芳範

日本原子力研究 先端基礎研究セ
開発機構
ンター

220

強磁場による強相関電子系準結晶・近似結晶の
研究

出口

和彦

名古屋大学

大学院理学研究 High magnetic field study of strongly correlated electron
quasicrystals and approximants
科

Kazuhiko Deguchi

Nagoya University

221

〃

松川

周矢

名古屋大学

大学院理学研究
科

Shuya Matsukawa

Nagoya University

222 U2Ir3Si5 の強磁場下における磁気相図の研究

本多

史憲

東北大学

金属材料研究所

Fuminori Honda

Tohoku University

223

李

東北大学

金属材料研究所

Dexin Li

Tohoku University

〃

徳新

〃

〃
Study of magnetic phase diagram on U2Ir3Si5 under highmagnetic field
〃

73

224

単体元素半導体 Te の強磁場中の磁気抵抗測定と小林
その角度依存性夏野

岡山大学

エネルギー環境 Magnetoresistance and angular dependence in Pulsed
Magnetic Field on Semiconducting Tellurium
新素材拠点

Kobayashi Kaya

Okayama University

225

非破壊パルス・マグネットを用いた(Cu,Zn)3Mo2O9 の磁化測定

黒江

晴彦

上智大学

理工学部

Magnetization in (Cu,Zn)3Mo2O9 under pulsed magnetic field

Haruhiko Kuroe

Sophia University

226 CeIr(In1-xCdx)5 のメタ磁性の研究

摂待

力生

新潟大学

理学部

Metamagnetism in CeIr(In1-xCdx)5

Rikio Settai

Niigata University

227

角田

竜馬

新潟大学

大学院自然科学研究科

Ryoma Tsunoda

Niigata University

廣瀬

雄介

新潟大学

理学部

Yusuke Hirose

Niigata University〃

228 重い電子系化合物 UPd2Cd20 のメタ磁性〃
Metamagnetism of the heavy-fermion compound UPd2Cd20

74

No.

課題名

229

〃

ISSP Activity Report 2016

230

氏名

所属

Title

Name

Organization

佳孝

新潟大学

大学院自然科学研究科

ディラック半金属 Cd3As2 薄膜における量子ホー
打田 正輝
ル状態の解明東京大学

大学院工学系研 Investigation of quantum Hall states in Dirac semimetal Cd3As2
Masaki Uchida
films
究科

The University of
Tokyo

鈴木

〃

Yoshitaka Suzuki

Niigata University

231 極性キラルらせん磁性体における電気磁気効果

徳永 祐介

東京大学

大学院新領域創
Magneto-chiral dichroism in a chiral ferrimagnet
成科学研究科

Yusuke Tokunaga

The University of
Tokyo

232

荒木 勇介

東京大学

大学院新領域創成科学研究科〃

Yusuke Araki

The University ofTokyo

233 希土類金属間化合物の超磁場物性研究

海老原

孝雄

静岡大学

理学部

Physical Properties at super high magnetic fields in rare earth
intermetallic compounds

Takao Ebihara

Shizuoka University

234

ジュマエダ・
ジャトミカ

静岡大学

大学院総合科学
技術研究科〃

Jumaeda Jatmika

Shizuoka University〃

担当所員：松田康弘〃

近藤半導体 (Yb,R)B12、価数揺動物質 (Y,Tm)B6、
235 およびペロブスカイト酸化物のワンターンコイ 伊賀
ル 120T パルス磁場下での強磁場磁化過程

文俊

茨城大学

理学部

236

羽賀

浩人

茨城大学

大学院理工学研究科237 キラルフェリ磁性体における磁気キラル二色性

有馬

孝尚

東京大学

238

〃

阿部

伸行

239

〃

豊田

240

〃

241

横型シングルターンコイルを用いた Cu3Mo2O9の飽和磁場の探索 II〃

242 酸素−窒素混合固体における磁場誘起相転移
担当所員：辛High field magnetization of Kondo insulator (Yb,R)B12, valencefluctuation material (Y,Tm)B6 and perovskite oxides by using
Fumitoshi Iga
one-turn coil in a 120 T pulse magnet〃

Ibaraki University

Haga Hiroto

Ibaraki University

大学院新領域創
Magneto-chiral dichroism in a chiral ferrimagnet
成科学研究科Takahisa Arima

The University of
Tokyo

東京大学

大学院新領域創成科学研究科〃Nobuyuki Abe

The University of
Tokyo

新悟

東京大学

大学院新領域創成科学研究科〃

Shingo Toyoda

The University of
Tokyo

前島

夏奈

東京大学

大学院新領域創成科学研究科〃

Kana Maeshima

The University of
Tokyo

黒江

晴彦

上智大学

理工学部

Investigation of saturation magnetization in Cu3Mo2O9 using
horizontal single-turn coil System

Haruhiko Kuroe

Sophia University

小林

達生

岡山大学

大学院自然科学
Field-induced phase transition in O2-N2 mixed solid研究科

Tatsuo Kobayashi

Okayama University

東京大学

大学院工学系研 Time and angle-resolved photoemission study on the ironbased superconductors
究科

Takahiro Shimojima

The University of
Tokyo

埴

243 鉄系超伝導体の時間分解角度分解光電子分光

下志万

貴博

No.

課題名

氏名

所属

244

〃

三石

夏樹

東京大学

大学院工学系研
究科

245

レーザー角度分解光電子分光による遷移金属ダ
イカルコゲナイドの研究

中村

飛鳥

東京大学

246

層状ダイカルコゲナイド MX2 におけるスピン分
石坂
裂の観測

香子

吉田

トポロジカル絶縁体表面のディラック電子にお248 けるキャリア濃度に依存した非平衡ダイナミク
スの解明
249

〃

250

バンドギャップを制御した黒リンの非平衡キャ
リアダイナミクス

251

Title

Name

Organization

Natsuki Mitsuishi

The University ofTokyo

大学院工学系研 Laser photoemission study on the transition metal
dichalcogenides
究科

Asuka Nakamura

The University of
Tokyo

東京大学

大学院工学系研 Observation of spin splitting in transition-metal
dichalcogenides MX2
究科

Kyoko Ishizaka

The University of
Tokyo

訓

東京大学

大学院工学系研
究科

Satoshi Yoshida

The University of
Tokyo

木村

昭夫

広島大学

大学院理学研究 Carrier concentration dependent nonequilibrium dynamics ofDirac fermions in TIs
科

Akio Kimura

Hiroshima University

吉川

智己

広島大学

理学部

Tomoki Yoshikawa

Hiroshima University

ムニサ ヌルママティ

広島大学

大学院理学研究 Nonequilibrium Carrier Dynamics in Black Phosphorus with
Tuned Band Gap
科

Munisa Nurmamat

Hiroshima University

〃

頼

燎平

広島大学

大学院理学研究
科

Ryohei Yori

Hiroshima University252

希薄磁性トポロジカル半導体の非平衡キャリア
ダイナミクス

陳

家華

広島大学

大学院理学研究 Nonequilibrium Carrier Dynamics in Dilute Magnetic
Topological Semiconductors
科Chen Jiahua

Hiroshima University

253

単一 3 次元ディラックコーンを有するディラッ
ク半金属の非平衡ダイナミクスの解明

角田一樹

広島大学

大学院理学研究 Nonequilibrium electron dynamics of Dirac semimetals with asingle 3D Dirac cone
科

Kazuki Sumida

Hiroshima University

254

III-V 族半導体基板上に作製したビスマス１次元構造のスピン偏極電子状態２

大坪

嘉之

大阪大学

Electronic structure and its spin polarization of one大学院生命機能
dimensional bismuth surface layers grown on III-V
研究科
semiconductor substrates II

Yoshiyuki Ohtsubo

Osaka University

255

〃

岸

潤一郎

大阪大学

大学院生命機能研究科

Junichiro Kishi

Osaka University

藤原

弘和

岡山大学

Observation of intrinsic electronic states of half-metallic
大学院自然科学ferromagnets studied by bulk-sensitive high-resolution spin研究科
resolved photoemission spectroscopy

Hirokazu Fujiwara

Okayama University

東京大学

大学院理学系研
Development of mode-locked laser
究科

Takuro Ideguchi

The University ofTokyo

Tohru Suemoto

Toyota Rikagaku
Kenkyuujyo

247〃

ISSP Activity Report 2016

バルク敏感高分解能スピン分解光電子分光を用
256 いたハーフメタル強磁性体の本質的電子状態の観測
担当所員：小林

〃

〃

〃

〃

洋平

257 モードロックレーザーの開発

井手口

258 超高速発光分光用ファイバーレーザーの試作

末元

75

担当所員：板谷

〃

治郎

徹

拓郎

豊田理化学研究所

Development of a fiber laser for ultrafast luminescence
spectroscopy

76
ISSP Activity Report 2016

No.

課題名

氏名

所属

259

テラヘルツ分光装置を用いた酸化物磁性材料の
研究

大越

慎一

東京大学

大学院理学系研Study of magnetic oxide using terahertz spectroscopy
究科

Shinichi Ohkoshi

The University of
Tokyo

260

〃

生井

飛鳥

東京大学

大学院理学系研
究科〃

Asuka Namai

The University of
Tokyo

261

〃

吉清

まりえ

東京大学

大学院理学系研
究科〃

Marie Yoshikiyo

The University of
Tokyo

262

ペロブスカイト鉛ハライドにおける時間分解コ
ヒーレントフォノン分光

牧野

哲征

福井大学

学術研究院工学 Time-resolved coherent phonon spectroscopy in perovskite
lead halides
系部門

Takayuki Makino

University of Fukui

263

〃

伊藤

竜一

福井大学

学術研究院工学
系部門

Ryuichi Ito

University of Fukui

Tetsuya Takeuchi

Osaka University

Yoshichika Onuki

University of the
Ryukyus

Title

〃

Name

Organization

大阪大学 先端強磁場科学研究センター / Center for Advanced High Magnetic Field Science, Osaka University264

パルス強磁場を用いた強相関電子系物質の強磁場物性の研究

竹内

徹也

大阪大学

低温センター

265

〃

大貫

惇睦

琉球大学

理学部

本多

善太郎

埼玉大学

大学院理工学研 Synthesis, structure, and magnetism of novel low-dimensionaltransition metal coordination polymers
究科

Zentaro Honda

Saitama University

戸川欣彦

大阪府立大学

Magnetic property of monoaxial chiral magnetic materials
大学院工学研究examined by means of magnetic torque and resonance科
measurements

Yoshihiko Togawa

Osaka Prefecture
University

268 パルス強磁場用極低温実験装置の開発

野口悟

大阪府立大学２１世紀科学研
Development of the cryostat for pulsed high magnetic field
究機構

Satoru Noguchi

Osaka Prefecture
University

269

〃

飯田

賢斗

大阪府立大学

大学院工学研究科〃

Kento Iida

Osaka Prefecture
University

270

〃

石打

翔馬

大阪府立大学工学域〃

Shoma Ishiuchi

Osaka Prefecture
University

真中

浩貴

鹿児島大学

学術研究院理工 Multi-frequency electron spin resonance measurements on
triangular spin tubes
学域工学系

Hirotaka Manaka

Kagoshima University

花咲

徳亮

大阪大学

大学院理学研究 Giant magnetoresistance in molecular conductor with(phthalocyaninato)chromium
科

Noriaki Hanasaki

Osaka University

廣瀬

雄介

新潟大学

理学部

Yusuke Hirose

Niigata University

河野

琢馬

新潟大学

理学部

Takuma Kawano

Niigata University

266 新規低次元磁性体の合成とその量子磁性の解明
267

単軸性キラル磁性体の磁気特性測定
クと磁気共鳴測定−−磁気トル

271 三角スピンチューブの多周波電子スピン共鳴272

クロムフタロシアニン系分子伝導体における巨大磁気抵抗

273 RT2Cd20 の強磁場磁化274〃Physical properties of strongly correlated electron systems
under pulsed high magnetic field.
〃

High-field magnetization of RT2Cd20
〃

No.

課題名

氏名

所属

275

高強度光源を用いた圧力下強磁場 ESR 装置の開
発

櫻井

敬博

神戸大学

276

擬テトラヘドラル４配位構造を持つ２価コバル
ト単核単分子磁石のゼロ磁場分裂定数の決定

福田

貴光

大阪大学

277

パルス強磁場を用いた高周波 ESR 測定による低次元磁性体の研究

大久保

晋

神戸大学

Title

Name

研究基盤センタ Development of high field and high pressure ESR system using
Takahiro Sakurai
high intensity light sourceー
Determination of zero-field splitting parameters of a novel
大学院理学研究
mononuclear divalent cobalt single molecule magnet having
Takamitsu Fukuda
科
the pseudo-tetrahedral coordination geometry
分子フォトサイ
High-frequency ESR measurements of low-dimensional magnet
Susumu Okubo
エンス研究セン
using pulsed magnetic fieldター

Organization
Kobe University
Osaka University
Kobe University

278 鉄系超伝導体の強磁場物性に関する研究

柏木

隆成

筑波大学

大学院数理物質 Study of physical properties of Fe-based superconductors
under high magnetic fields
科学研究科

Takanari Kashiwagi

University of Tsukuba

279

寺尾

耕太郎

筑波大学

大学院数理物質科学研究科

Kotaro Terao

University of Tsukuba

木村

健太

大阪大学

大学院基礎工学
High-field ESR study of Ba(TiO)Cu4(PO4)4
研究科

Kenta Kimura

Osaka University〃

280 Ba(TiO)Cu4(PO4)4 の強磁場 ESR〃

ISSP Activity Report 2016

281

S3/2 カゴメ格子反強磁性体 Li2Cr3SbO8 の強磁
場磁化測定

吉田

紘行

北海道大学

大学院理学研究 Magnetization measurement of S=3/2 kagome lattice
antiferromagnet Li2Cr3SbO8 under high-magnetic field院

Hiroyuki Yoshida

Hokkaido University282

S= 1/2 擬一次元化合物 CaCu2(OH)3Cl3 のスピ
ン一重項基底状態における強磁場磁化測定

吉田

紘行

北海道大学

High-field magnetization measurement on the spin singlet
大学院理学研究
ground state of S=1/2 pseudo one-dimensional compound
院
CaCu2(OH)3Cl3

Hiroyuki Yoshida

Hokkaido University

283

RCrTiO5 (R= 希土類元素 ) の特異な磁気特性と
誘電特性

安井

幸夫

明治大学

理工学部

Magnetic and dielectric properties of RCrTiO5(R=Rare earth
elements)

Yukio Yasui

Meiji University284

ハニカム格子系 Li3Ni2SbO6 の高磁場下の磁気構
安井
造

幸夫

明治大学

理工学部

Magnetic structure of honeycomb spin system Li3Ni2SbO6 inhigh magnetic field

Yukio Yasui

Meiji University

健太郎

東京大学

大学院理学系研 High-field magnetization measurement for Kitaev-type quantum
Kentaro Kitagawa
spin liquid
究科

The University ofTokyo

285 Kitaev 型量子スピン液体の強磁場磁化過程測定

北川

286

S = 1/2 カゴメ格子反強磁性体 CaCu3(OH)6Cl2・
吉田
0.6H2O の強磁場磁化測定

紘行

北海道大学

大学院理学研究 High-field magnetization measurement on S = 1/2 kagome
lattice antiferromagnet CaCu3(OH)6Cl2・0.6H2O
院

Hiroyuki Yoshida

Hokkaido University

287

擬一次元鎖を含む三角格子反強磁性体 β'-LiCoPO4 の強磁場磁化測定

吉田

紘行

北海道大学

大学院理学研究 High-field magnetization measurement of pseudo onedimensional chain triangular antiferromagnet β'-LiCoPO4
院

Hiroyuki Yoshida

Hokkaido University

288

高出力テラヘルツ光源 ( ジャイロトロン ) を光源出原とする ESR 分光 の研究

敏孝

福井大学

遠赤外領域開発 Study on ESR spectroscopy using high power THz radiation
sources - Gyrotrons
研究センター

Toshitaka Idehara

University of Fukui

遠赤外領域開発
研究センターIsamu Ogawa

University of Fukui

77

289

〃

小川

勇

福井大学

290

多重極限環境下の電子スピン共鳴計測に用いる
高出力ミリ波・サブミリ波伝送系の開発研究

光藤

誠太郎

福井大学

291

多重極限電子スピン共鳴計測に用いる高出力ミ
リ波・サブミリ波伝送系の開発研究

藤井

裕

福井大学

〃

Development of high-power millimeter and submillimeter wave
遠赤外領域開発
transmission system for electron spin resonance measurement Seitaro Mitsudo
研究センターunder multiple extreme environment
Development of high-power millimeter and submillimeter wave
遠赤外領域開発
transmission system for electron spin resonance measurement Yutaka Fujii
研究センターunder multiple extreme environment

University of Fukui
University of Fukui

78

No.

課題名

292 正方格子フラストレート系の強磁場磁性

氏名

所属

Title

Name

Organization

ISSP Activity Report 2016山口博則

大阪府立大学

大学院理学系研
High-field magnetic property of frustrated square lattices
究科

Hironori Yamaguchi

Osaka Prefecture
University293

低次元フラストレートスピン系における強磁場
中の反強磁性共鳴

小野俊雄

大阪府立大学

大学院理学系研 Electron spin resonance in the high magnetic field on the low
dimensional frustrated spin systems
究科

Toshio Ono

Osaka Prefecture
University

294

〃

遠藤

耀司

大阪府立大学

大学院理学系研
究科

Youji Endo

Osaka Prefecture
University

295 量子スピンギャップ系の強磁場中電気分極測定

木村

尚次郎

東北大学

金属材料研究所

Dielectric polarization measurements of the quantum spin gap
Shojiro Kimurasystems in high magnetic fields

Tohoku University

296

CaBaCo4O7 及び CaBaFe4O7 単結晶試料の強磁
場下での磁化・電気分極・ESR 測定

桑原

英樹

上智大学

理工学部

Magnetization, electric polarization, and ESR measurements
for CaBaCo4O7 and CaBaFe4O7 single crystals in pulsed highmagnetic fields.

Hideki Kuwahara

Sophia University

297

〃

小田

涼佑

上智大学

大学院理工学研
究科

Ryosuke Oda

Sophia University

単結晶 Ax(NH3)yFeSe 超伝導体 (A = アルカリ金
298 属、アルカリ土類金属）の強磁場下における超 神戸
伝導物性

高志

岡山大学

大学院自然科学 Superconducting properties of single-crystal Ax(NH3)yFeSe
under high magnetic field
研究科

Takashi Kambe

Okayama University

299 電荷分離型イオン性固体の磁性転換機構の解明

美穂子

大阪大学

大学院理学研究 Elucidation of the magnetic conversion mechanism of chargeseparated-type ionic solids
科

Mihoko Yamada

Osaka University

山田

〃

〃

物質合成・評価設備 P クラス / Materials Synthesis and Characterization P Class Researcher
No.

課題名

氏名

所属

1

遷移金属酸化物、酸窒化物、酸水素化物における構造物性研究山浦淳一

東京工業大学

元素戦略研究セ Study of structural physics on transition metal oxides,
oxynitrides and oxyhydrides
ンター

Junichi Yamaura

Tokyo Institute ofTechnology

2

〃

真木

祥千子

東京工業大学

元素戦略研究センター

Sachiko Maki

Tokyo institute oftechnology

3

遷移金属酸窒化物・酸硫化物のドーピングと水の光分解触媒への応用の研究

山田

太郎

東京大学

大学院工学系研 Doping of transition-metal oxynitrides and oxysuldes andapplication for water-splitting photo-catalysts
究科

Taro Yamada

The University of
Tokyo

4

〃

後藤

陽介

東京大学

大学院工学系研
究科〃

Yosuke Goto

The University of
Tokyo

5

〃

坂井

延寿

東京大学

大学院工学系研
究科〃

Enjyu Sakai

The University of
Tokyo

6

〃

守屋

映祐

東京大学

大学院工学系研
究科〃

Yosuke Moriya

The University of
Tokyo

7

〃

西山

洋

東京大学

大学院工学系研
究科〃

Hiroshi Nishiyama

The University of
Tokyo

Title

〃

Name

Organization

No.

課題名

氏名

8

〃

岩瀬

9

〃

鐘

10

パイロクロア型希土類酸化物の単結晶育成と磁気フラストレーションの研究

松平

11

電子が複合自由度を持つ遷移金属系物質の純良単結晶育成と物性評価

12

〃

所属

Title

Name

Organization

明治大学

研究・知財戦略機構〃

Motoki東京大学

大学院工学系研
究科〃

Zhong Miao

The University of
Tokyo

和之

九州工業大学

大学院工学研究 Single crystal growth and study of frustrated magnetism inpyrochlore rare-earth oxides
院

Kazuyuki Matsuhira

Kyushu Institute ofTechnology

片山

尚幸

名古屋大学

大学院工学研究 Growth of single crystals of transition metal compounds withcharge, orbital and spin degrees of freedom科

Naoyuki Katayama

Nagoya University

菅原

健人

名古屋大学

大学院工学研究科

Kento Sugawara

Nagoya University

元希
苗

〃

Iwase

Meiji University

物質合成・評価設備 G クラス / Materials Synthesis and Characterization G Class Researcher

ISSP Activity Report 2016

79

No.

課題名

氏名

1

高温高圧水中の固体酸・塩基触媒反応の速度論
的解析

大島

義人

東京大学

大学院新領域創 Kinetic analysis of solid acid and base catalyzed reactions in
sub- and supercritical water
成科学研究科Yoshito Oshima

The University of
Tokyo

2

〃

秋月

信

東京大学

大学院新領域創成科学研究科

Makoto Akizuki

The University of
Tokyo

3

高温高圧水中における固体触媒の酸性質の解明

大島

義人

東京大学

大学院新領域創 Elucidation of solid catalysts’ acidity in sub- and supercriticalwater
成科学研究科Yoshito Oshima

The University of
Tokyo

4

〃

井上

拓紀

東京大学

大学院新領域創成科学研究科

Hiroki Inoue

The University of
Tokyo

5

固体酸触媒を利用した超臨界水中の有機合成反応に関する研究

大島

義人

東京大学

大学院新領域創 Research on Organic Synthetic Reactions using Solid Acid
Catalyst in Supercritical Water
成科学研究科Yoshito Oshima

The University of
Tokyo

6

〃

単

東京大学

大学院新領域創成科学研究科Shan XinThe University of
Tokyo

7

鉄カルコゲナイド超伝導体の純良単結晶における X 線回折

芝内

孝禎

東京大学

大学院新領域創 X-ray diffraction in high-quality single crystals of ironchalcogenide superconductors
成科学研究科Takasada Shibauchi

The University of
Tokyo

8

〃

水上

雄太

東京大学

大学院新領域創成科学研究科〃Yuta Mizukami

The University of
Tokyo

9

〃

松浦

康平

東京大学

大学院新領域創成科学研究科〃Kouhei Matsuura

The University of
Tokyo

10

〃

細井

優

東京大学

大学院新領域創成科学研究科〃

Hosoi Suguru

The University of
Tokyo

しん

所属

Title

〃

〃

〃

Name

Organization

80

No.

課題名

11

〃

ISSP Activity Report 201612

泥岩が示す不完全な半透膜性に関する研究

氏名

所属

Title

Name

Organization

Kousuke Ishida

The University ofTokyo

大学院新領域創 Research of incomplete semipermeable properties of
mudstones
成科学研究科

Tomochika
Tokunaga

The University ofTokyo

Shogo Hirota

The University of
Tokyo

石田

浩祐

東京大学

工学部

徳永

朋祥

東京大学

〃

13

〃

廣田

翔伍

東京大学

工学部

14

ケミカルループ法における高活性酸素キャリア
複合粒子の開発

大友

順一郎

東京大学

大学院新領域創 Development of oxygen carrier composite particles with highactivity in a chemical looping method
成科学研究科

Junichiro Otomo

The University of
Tokyo

15

〃

味谷

和之

東京大学

大学院新領域創成科学研究科Kazuyuki MiyaThe University of
Tokyo

16

ケミカルループ法における酸素キャリア材料の構造評価と劣化要因の解明

大友

順一郎

東京大学

大学院新領域創 A structure and degradation factor of oxygen carrier material
in chemical loop method.
成科学研究科

Junichiro Otomo

The University of
Tokyo

17

〃

斉藤

佑耶

東京大学

大学院新領域創成科学研究科Yuya Saito

The University of
Tokyo

18

ぺロブスカイト型酸化物を用いたケミカルルー
ピングシステムの開発

大友

順一郎

東京大学

Junichiro Otomo

The University of
Tokyo

19

〃

オーチェン
ジェームズ
オーチェン

Long Term Stabilities and Reduction Kinetics of Metal Oxides
大学院新領域創Supported on Perovskite Oxides as Oxygen Carriers in
成科学研究科Chemical Looping Systems

東京大学

大学院新領域創成科学研究科

Ochieng James
Ochieng

The University of
Tokyo

20

超臨界水を利用した有機無機混合廃棄物の処理と金属化合物のリサイクル

大島

義人

東京大学

大学院新領域創 Decomposing mixtures of organic and inorganic waste andrecycling of metal compounds using supercritical water
成科学研究科Yoshito Oshima

The University of
Tokyo

21

〃

升川

駿

東京大学

大学院新領域創成科学研究科Shun Masukawa

The University of
Tokyo

順一郎

東京大学

Material synthesis of heterojunction layers using mixed ion
大学院新領域創
conductors and analysis of transport phenomenon of its
成科学研究科interface

Junichiro Otomo

The University of
Tokyo

松岡 修平

東京大学

大学院新領域創成科学研究科Shuhei Mastuoka

The University of
Tokyo

大島

義人

東京大学

大学院新領域創 Study of layered solid catalyzed reaction in sub- andsupercritical water
成科学研究科Yoshito Oshima

The University of
Tokyo

栞

東京大学

大学院新領域創成科学研究科

Shiori Sasaki

The University of
Tokyo

22
23
24

イオン - 電子混合伝導体を用いた異相界面接合体
大友の作製及び 界面輸送現象の解析〃
高温高圧水を反応場とした層状固体触媒反応

〃

〃

〃

〃

〃

〃

25

〃

佐々木

26

固体酸化物型燃料電池のイオン拡散現象の検討

大友

順一郎

東京大学

大学院新領域創Study of cation diffusion of Solid Oxide Fuel Cell
成科学研究科

Junichiro Otomo

The University of
Tokyo

27

〃

岡村

晋太郎

東京大学

大学院新領域創成科学研究科

Shintaro Okamura

The University of
Tokyo

〃

〃

ISSP Activity Report 2016

No.

課題名

28

金属酸化物還元反応を利用したプロトン伝導型
空気電池の開発

大友

順一郎

東京大学

大学院新領域創 Development of proton conducting air cell with redox reaction
Junichiro Otomoof metal oxide
成科学研究科The University of
Tokyo

29

〃

月村

玲菜

東京大学

大学院新領域創成科学研究科

Reina Tsukimura

The University of
Tokyo

30

超臨界水熱法により合成した酸化物ナノ粒子の
構造解析

大島

義人

東京大学

大学院新領域創 Structure analysis of metal oxide nanoparticles synthesizedunder supercritical water
成科学研究科Yoshito Oshima

The University of
Tokyo

31

〃

横

東京大学

大学院新領域創成科学研究科

Akira Yoko

The University of
Tokyo

32

ケミカルループ法における酸素キャリアの微細構造制御と反応機構の解明

大友

順一郎

東京大学

大学院新領域創 Micro structural design and reaction analysis of oxygen
carriers used in chemical looping method
成科学研究科

Junichiro Otomo

The University of
Tokyo

33

〃

橋本

隼輔

東京大学

工学部

Shunsuke Hashimoto

The University of
Tokyo

34

プロトン伝導性固体電解質を用いた電解合成反応における電極触媒開発と速度論的解析

大友

順一郎

東京大学

大学院新領域創 Development of electro-catalysts and kinetic analysis forelectrolysis using proton conducting fuel cells
成科学研究科

Junichiro Otomo

The University of
Tokyo

35

〃

高坂

文彦

東京大学

大学院新領域創成科学研究科

Fumihiko Kosaka

The University of
Tokyo

36

プロトン伝導性固体電解質を用いたアンモニア
電解合成と速度論解析

大友

順一郎

東京大学

大学院新領域創 Electrochemical synthesis of ammonia using proton conducting
Junichiro Otomo
solid electrolyte and its kinetic analysis
成科学研究科The University of
Tokyo

37

〃

中村

剛久

東京大学

大学院新領域創成科学研究科

Nakamura Takehisa

The University of
Tokyo

順一郎

東京大学

大学院新領域創 Material design and development of catalyst for ITFC using
proton conductor
成科学研究科

Junichiro Otomo

The University of
Tokyo

元

東京大学

大学院新領域創成科学研究科Gen Kojo

The University of
Tokyo

38

氏名

ITFC におけるプロトン伝導体の材料設計および
大友
触媒開発

哲

小城

所属

Title

〃

〃

〃

〃

〃

Name

Organization

81

39

〃

40

メソポーラスマテリアル・グラフェンオキサイ
ドに担持した金属触媒のキャラク タリゼーション

佐々木 岳彦東京大学

大学院新領域創 Characterization for metal catalysts loaded on mesoporous
materials and graphene oxides
成科学研究科

Takehiko Sasaki

The University of
Tokyo

41

〃

Etty Nurlia
Kusumawati

東京大学

大学院理学系研
究科

Etty Nurlia
Kusumawati

The University of
Tokyo

42

マグネトプランバイト構造をもつ鉄酸化物の磁
気異方性

植田

浩明

京都大学

大学院理学研究 Magnetic anisotropy of iron oxides with magnetoplumbite
structure
科

Hiroaki Ueda

Kyoto University

43

〃

森下

翔

京都大学

大学院理学研究科〃

Haruka Morishita

Kyoto University

44

〃

谷奥 泰明

京都大学

大学院理学研究
科〃

Yasuaki Tanioku

Kyoto University

〃

〃

82

No.
45

ISSP Activity Report 2016

46

課題名
正 20 面体クラスター固体の電気伝導と磁性
〃

氏名

所属

Title

Name

Organization

木村

薫

東京大学

大学院新領域創 Electrical conductivity and Magnetic properties of Icosahedral
Kaoru Kimura
Cluster Solids
成科学研究科The University of
Tokyo

廣戸

孝信

東京大学

大学院新領域創成科学研究科Takanobu Hiroto

The University of
Tokyo

東京大学

大学院新領域創 In situ measurement of Raman scattering for heterogeneous
catalytic reactions
成科学研究科

Takehiko Sasaki

The University of
Tokyo

47

触媒反応の insitu ラマン散乱測定

佐々木

48

超高圧プレスを用いた新規プロトニクス酸化物のソフト化学的合成法の検討

山口

周

東京大学

大学院工学系研 Oxide-Protonics materials synthesis by combined use of soft
chemical method and high pressure
究科

Shu Yamaguchi

The University of
Tokyo

49

〃

三好

正悟

東京大学

大学院工学系研
究科〃

Shogo Miyoshi

The University of
Tokyo

50

〃

田中

和彦

東京大学

大学院工学系研
究科〃

Kazuhiko Tanaka

The University of
Tokyo

51

〃

本多

慶一郎

東京大学

大学院工学系研
究科〃

Keiichiro Honda

The University of
Tokyo

山口

周

東京大学

大学院工学系研 Stress-induced phase transformation of Fe-Zn alloy formed in
hot-dip process
究科

Shu Yamaguchi

The University of
Tokyo

52

溶融亜鉛メッキ合金相の応力誘起変態

岳彦

〃

53

〃

三好

正悟

東京大学

大学院工学系研
究科〃

Shogo Miyoshi

The University of
Tokyo

54

〃

田中

和彦

東京大学

大学院工学系研
究科〃

Kazuhiko Tanaka

The University of
Tokyo

山本

隆文

京都大学

大学院工学研究
Pressure Effect on Vanadium Oxyhydrides
科

Takafumi Yamamoto Kyoto University

55

バナジウム酸水素化物における圧力効果

56

〃

陰山

洋

京都大学

大学院工学研究科〃

Hiroshi Kageyama

Kyoto University

57

〃

竹入 史隆

京都大学

大学院工学研究
科〃

Takeiri Fumitaka

Kyoto University

58

〃

村上

京都大学

工学部

〃

Taito Murakami

Kyoto University

名古屋大学

大学院工学研究 High-pressure high-temperature syntheses of site ordered postYuichi Shirako
spinel oxides AM2O4科

Nagoya University

Shin Sunah

Nagoya University

Ken Niwa

Nagoya University

59

泰斗

サイト秩序型ポストスピネル酸化物 AM2O4 の高
白子 雄一
温高圧合成

60

〃

申

善雅

名古屋大学

大学院工学研究科61

超高圧直接窒化法を用いた前期遷移金属多窒化
物の探査

丹羽

健

名古屋大学

大学院工学研究 Exploration of early-transition metal pernitrides by direct
nitriding reaction in high pressure
科

〃

No.

課題名

62

〃

山本

拓朗

名古屋大学

大学院工学研究
科

63

LnMn2AlTi2O9 の高圧高温合成とその特性評価

志村

元

名古屋大学

64

3d 遷移金属を含む CaFe2O4 型 NaM2O4 の高圧
合成

廣瀬

瑛一

65

高圧合成法による新規熱電変換材料の開発

関根

ちひろ

66
67
68

〃
高圧下での MoSi2 型構造の FeAl2 結晶の作製
〃

氏名

所属

Title

Name

〃

Takurou Yamamoto

Nagoya University

大学院工学研究
Synthesis and Characterization of LnMn2AlTi2O9
科

Gen Shimura

Nagoya University

名古屋大学

大学院工学研究 High pressure synthesis of CaFe2O4-type NaM2O4 containing
3d transition metal科

Eiichi Hirose

Nagoya University

室蘭工業大学

大学院工学研究 Development of new thermoelectric materials using highpressure synthesis method
科

Chihiro Sekine

Muroran Institute ofTechnology

住岡 和也

室蘭工業大学

大学院工学研究
科

Sumioka Kazuya

Muroran Institute ofTechnology

木村

薫

東京大学

大学院新領域創 High pressure synthesis of MoSi2 type iron aluminide, FeAl2
crystal
成科学研究科

Kaoru Kimura

The University of
Tokyo

飛田 一樹

東京大学

大学院新領域創成科学研究科

Kazuki Tobita

The University of
Tokyo

名古屋大学

大学院環境学研
Pressure-induced oligomerization of naphthalene
究科

Ayako Shiozaki

Nagoya University〃

ISSP Activity Report 2016

8369

ナフタレンの圧力誘起重合反応

篠崎

70

新規ペロブスカイト型遷移金属窒化物の超高圧合成と結晶化学

長谷川

正

名古屋大学

大学院工学研究 High pressure synthesis and crystal chemistry of perovskitetype transition metal nitrides科

Masashi Hasegawa

Nagoya University

71

〃

山田

祥吾

名古屋大学

大学院工学研究科

Shogo Yamada

Nagoya University

72

下部マントルの高温高圧条件におけるマントル
鉱物と窒素との反応性の探索

鍵

東京大学

大学院理学系研
Reactivity of nitrogen with minerals at lower-mantle conditions Hiroyuki Kagi
究科

The University of
Tokyo

73

〃

篠崎

彩子

名古屋大学

大学院環境学研
究科〃

Ayako Shiozaki

Nagoya University

74

〃

星野

由紀子

東京大学

大学院理学系研
究科〃

Yukiko Hoshino

The University of
Tokyo

東京大学

大学院理学系研
Peptide formation of amino acids under high pressure
究科

Hiroyuki Kagi

The University ofTokyo

Chikako Fujimoto

The University ofTokyo

Tetsuji Saito

Chiba Institute ofTechnology

Mariko Nagashima

Yamaguchi University

7576

高圧下でのアミノ酸のペプチド化反応の観察
〃

彩子

〃

Organization

鍵

裕之

裕之

藤本

千賀子

東京大学

大学院理学系研
究科

〃

〃

77

新規磁石材料の微細構造解析

齋藤哲治

千葉工業大学

工学部

78

天然鉱物の微細組織と結晶性の実態

永嶌

真理子

山口大学

大学院理工学研 Evaluation of micro-texture and crystallinity of naturalminerals
究科（理学）

Microstructural studies of new permanent magnet materials

84
ISSP Activity Report 2016

No.

課題名

氏名

所属

79

透過型電子顕微鏡による機能性金属錯体の歪み
測定

糸井

充穂

日本大学

医学部

80

自己組織化現象を用いたガスセンシングデバイ
スの作成に関する研究（仮）

割澤

伸一

東京大学

81

〃

中村 高道

82

ハーフメタル型ホイスラー合金の磁性と輸送特性に関する研究

83

〃

Title
Distortion measurement for multifunctional metal complex by
Transmission Electron Microscope

Name

Organization

Miho Itoi

Nihon University
School of Medicine

大学院新領域創 Study on fabrication of gas sensing device using selforganization phenomenon (tentative title)
成科学研究科

Shinichi Warisawa

The University of
Tokyo

東京大学

大学院新領域創成科学研究科

Takamichi
Nakamura

The University of
Tokyo

重田 出

鹿児島大学

大学院理工学研 Study on the magnetic and transport properties of half-metallic
Iduru Shigeta
Heusler alloys
究科

Kagoshima University

大岡

隆太郎

鹿児島大学

理学部

Ryutaro Ooka

Kagoshima University

政彦

鹿児島大学

大学院理工学研 Study on the magnetic and electrical properties of Heusler
compounds
究科

Masahiko Hiroi

Kagoshima University

〃

〃

84

ホイスラー型化合物の磁性と伝導の研究

廣井85

新規遷移金属燐化物単結晶の磁性

長谷川

正

名古屋大学

大学院工学研究
Magnetic properties of novel transition metal phosphides科

Masashi Hasegawa

Nagoya University

野崎

達海

名古屋大学

大学院工学研究科

Nozaki Tatsumi

Nagoya University

大串

研也

東北大学

大学院理学研究 Study on electronic properties of Fe-based materials with lowKenya Ohgushi
dimensional structure科

Tohoku University

86
87

〃
低次元鉄系化合物の電子物性に関する研究

〃

88

〃

青山

拓也

東北大学

大学院理学研究
科〃

Takuya Aoyama

Tohoku University

89

〃

橋詰

和樹

東北大学

理学部

〃

Kazuki Hashizume

Tohoku University

90

単体元素半導体 Te の磁場中磁気抵抗測定と角度
小林
依存性

夏野

岡山大学

エネルギー環境 Angular dependent Magnetoresistance in Magnetic Field on
Semiconducting Tellurium
新素材拠点

Kaya Kobayashi

Okayama University

91

新規 5d 遷移金属化合物の探索

有馬

孝尚

東京大学

大学院新領域創
Exploration of new 5d transition metal compounds
成科学研究科Takahisa Arima

The University of
Tokyo

92

〃

徳永

祐介

東京大学

大学院新領域創成科学研究科〃

Yusuke Tokunaga

The University of
Tokyo

93

〃

阿部

伸行

東京大学

大学院新領域創成科学研究科〃Nobuyuki Abe

The University of
Tokyo

94

〃

植松

大介

東京大学

大学院新領域創成科学研究科〃

Daisuke Uematsu

The University of
Tokyo

95

〃

豊田

新悟

東京大学

大学院新領域創成科学研究科〃

Shingo Toyoda

The University of
Tokyo

No.

課題名

96

〃

鷲見 浩樹

東京大学

大学院新領域創成科学研究科〃

Hiroki Sumi

The University of
Tokyo

97

〃

前島

夏奈

東京大学

大学院新領域創成科学研究科〃

Kana Maeshima

The University of
Tokyo

98

〃

藤間

友理

東京大学

大学院新領域創成科学研究科〃Yuri Fujima

The University of
Tokyo

真帆人

横浜国立大学

大学院工学研究 Precipitation behavior and magnetic properties of finemagnetic particles in Cu ‐ Ni base alloys single Crystal
院

Mahoto Takeda

Yokohama National
University

坂倉

響

横浜国立大学

大学院工学府

Hibiki Sakakura

Yokohama National
University

101 軽元素からなる 3d バンド伝導体の新物質開拓

岡本

佳比古

名古屋大学

大学院工学研究
Novel metallic compounds with 3d electrons of light elements
科

Yoshihiko Okamoto

Nagoya University

102 新規 5d 遷移金属化合物の探索

徳村

謙祐

東京大学

大学院新領域創
Exploration of new 5d transition metal compounds
成科学研究科Kensuke

The University of
Tokyo

103

〃

中川

直己

東京大学

大学院新領域創成科学研究科〃

Naoki

Nakagawa

The University of
Tokyo

104

〃

小池

仁希

東京大学

大学院新領域創成科学研究科〃Yoshiki

Koike

The University of
Tokyo

105

〃

近江

毅志

東京大学

大学院新領域創成科学研究科〃Tsuyoshi Omi

The University of
Tokyo

106

〃

荒木

勇介

東京大学

大学院新領域創成科学研究科〃

Araki

YusukeThe University of
Tokyo

Name

Organization

99
100

氏名

Cu − Ni − X（X=Co,Fe）系単結晶性合金中の磁竹田性微粒子析出過程と磁気特性の関係
〃

所属

Title

〃

Name

Tokumura

Organization

ISSP Activity Report 2016

物質合成・評価設備 U クラス / Materials Synthesis and Characterization U Class Researcher
No.

課題名

氏名

85

1

ナノ材料を用いた Li イオン電池材料開発細野

2

ナノ構造制御による二次電池材料開発

牧之瀬

3

円錐黒鉛ウイスカーの物性・生成機構

齋藤

4

高圧印加による Li ドープ α 菱面体晶ボロンの作
木村
製

英司
佑旗

所属

Title

産業技術総合研 省エネルギー研 Development of secondary battery materials by using nanomaterials
究所
究部門

Eiji

HosonoNational Institute ofAdvanced Industrial
Science and Technology

産業技術総合研 省エネルギー研 Development of secondary battery materials by nanostructure
control
究所
究部門

Yuki

Makinose

National Institute ofAdvanced Industrial
Science and Technology

幸恵

東京大学

大学院農学生命 Properties and Growth mechanism of cone-shaped graphitic
whisker
科学研究科

Yukie

Saito

The University of
Tokyo

薫

東京大学

大学院新領域創 Synthesis of Li-dope alpha-rhombohedral boron by highpressurization
成科学研究科

Kaoru

KimuraThe University of
Tokyo

86
ISSP Activity Report 2016

No.

課題名

5

〃

6
7
8

氏名

所属

Title

Name

Organization

禎桓

東京大学

大学院新領域創成科学研究科

Jang Jeonghwan

The University ofTokyo

超臨界水中における L- システインおよびタウリ
ンの分解挙動に関する検討

布浦 鉄兵

東京大学

環境安全研究セ Degradation behavior of L-cysteine and taurine in supercritical
Teppei Nunoura
water
ンター

The University of
Tokyo

〃

鈴木 萌

東京大学

大学院新領域創成科学研究科Moe Suzuki

The University of
Tokyo

平岡

東京大学

大学院理学系研
Evaluation of structure of iridate thin films
究科

Naoka Hiraoka

The University of
Tokyo

根岸 真通

東京大学

大学院理学系研
究科

Masamichi Negishi

The University of
Tokyo

三谷

真人

東京大学

Control of assembled structures and functions of high大学院新領域創
performance organic semiconductors through intermolecular
成科学研究科interactions

Masato Mitani

The University ofTokyo

イリジウム酸化物薄膜の構造評価

張

奈緒香

〃

〃

9

〃

10

分子間相互作用による高性能有機半導体の集合
構造と機能制御

11

〃

櫛田 智克

東京大学

大学院新領域創成科学研究科〃

Tomokatsu Kushida

The University of
Tokyo

12

〃

三津井 親彦東京大学

大学院新領域創成科学研究科〃

Chikahiko Mitsui

The University of
Tokyo

13

ケミカルループ法における高活性かつ長期安定性に長けた酸素キャリア材料の開発

大友 順一郎

東京大学

大学院新領域創 Development of oxygen carrier materials with high activity
and high durability for chemical looping systems.
成科学研究科

Junichiro Otomo

The University of
Tokyo

14

〃

岡 輝

東京大学

大学院新領域創成科学研究科〃

Hikaru Oka

The University of
Tokyo

中央大学

理工学部

Investigation of the phase transition from antiferromagneticinsulator to ferromagnetic-metal phase in perovskite PbVO3
under high-pressure

Kengo Oka

Chuo University

15

ペロブスカイト酸化物 PbVO3 の高圧下反強磁性
岡 研吾
絶縁体―強磁性金属への相転移挙動の観察〃

長期留学研究員 / Long Term Young Researcher
No.

課題名

氏名

所属

Title

1

超流動ヘリウム 3-A 相の半整数量子渦の研究木村豊

大阪市立大学

大学院理学研究
Study of the half quantized vortex in superfluid 3He-A phase科

2

強相関遷移金属化合物の圧力下物性探索

嶋津

拓

千葉大学

理学部

3

多重極限物性測定装置の開発と量子臨界物性の
研究

佐藤

和樹

大阪大学

Development of experimental measuring equipments under
大学院理学研究
multiplex extreme conditions and studies on quantum critical科
phenomenaHigh pressure study of strongly correlated transition-metalcompounds

Name

Organization

Kimura Yutaka

Osaka City University

Taku Shimazu

Chiba University

Kazuki Sato

Osaka University

No.

課題名

氏名

所属

Title

Name

Organization

短期留学研究員 / Short term Young Researcher
1

第一原理におけるゼーベック係数の計算

高 成柱

大阪大学

大学院基礎工学
Seebeck coefficient calculation from first-principle
研究科

Ko Sonjy

Osaka University

ISSP Activity Report 2016

87

88

平成 28 年度 共同利用課題一覧（後期）/ Joint Research List (2016 Latter Term)

ISSP Activity Report 2016

嘱託研究員 / Commission Researcher
No.

課題名

担当所員：森

氏名

所属

Title

Name

Organization

初果
大学院生命ナノ
Theoretical study of phase transition mechanism induced by
システム科学研
H/D isotope effect in hydrogen-bonded molecular conductors
究科1

水素結合型分子導体における H/D 同位体効果による相転移機構の理論的研究

立川仁典

横浜市立大学

2

〃

長嶋

雲兵

計算科学振興財 共用促進研究部
団
門

3

常圧で金属状態を示す純有機単一成分導体の開
発

御崎

洋二

愛媛大学

4

純有機単一成分超伝導体の開発

白旗

崇

博文

担当所員：長谷川

Masanori Tachikawa

Yokohama City
Uninersity

Umpei Nagashima

Foundation for
Computational Science

大学院理工学研 Development of purely organic single-component molecular
metals under ambient pressure
究科

Kenta Kimura

Ehime University

愛媛大学

大学院理工学研 Development of purely organic single-component molecularsuperconductors
究科Takashi Shirahata

Ehime University

東北大学

多元物質科学研 Development and characterization of probe tips for spinpolarized scanning tunneling microscopy
究所

Hirofumi Oka

Tohoku University

Tadahiro Komeda

Tohoku University

Yoshinori Okada

Tohoku University

Tishu An

Nara Instituteof Science andTechnology

〃

幸雄

5

スピン編曲走査トンネル顕微鏡に適した探針開発とその評価

岡

6

〃

米田

忠弘

東北大学

多元物質科学研究所

7

トポロジカル絶縁体表面の磁気的干渉パターンの実空間イメージング

岡田

佳憲

東北大学

原子分子材料科 Visualization of magnetic interference pattern on topological
学高等研究機構 insulator surface

8

走査トンネル顕微鏡によるスピン検出に向けた
マイクロ波導入機構の開発

安

93He-4He 希釈冷凍機と 14T 超伝導マグネットを組み合わせた複合極限環境下における STM の開 河江
発担当所員：吉信

東秀〃

北陸先端科学技 マテリアルサイ Development of a microwave system for spin detection withscanning tunneling microscopy
術大学院大学
エンス系

達也

九州大学

大学院工学研究 Development of STM at very low-temperatures and strong
magnetic fields
院

Tastuya Kawae

Kyushu University

淳

10

金属表面に吸着した生体分子の高分解能電子エネルギー損失分光を用いた振動分光研究

米田

忠弘

東北大学

多元物質科学研 A vibrational study of bio-molecules on metals using highresolution electron energy loss spectroscopy
究所

Tadahiro Komeda

Tohoku University

11

銅合金触媒の表面電子状態と二酸化炭素の活性化・水素化の研究

森川

良忠

大阪大学

大学院工学研究 Study on activation and hydrogenation of carbon dioxide on
Cu alloy catalysts
科

Yoshitada Morikawa

Osaka University12

固体表面に吸着したキラル分子の光学物性及び振動状態評価

桑原

裕司

大阪大学

大学院工学研究 Investigation of optical and vibrational properties of chiralmolecules on sold surfaces
科

Yuji Kuwahara

Osaka University

No.

課題名

担当所員：中辻
13

所属

Title

Name

Organization

知

価数揺動重い電子系イッテルビウム化合物の結晶場基底状態担当所員：上床

氏名

久我

健太郎

理化学研究所

放射光科学総合 Crystal-electric-field ground state in valence fluctuating andheavy fermion Yb-based compound
研究センター

Kentarou Kuga

RIKEN

美也

ISSP Activity Report 201614

磁性体の圧力効果

巨海

玄道

久留米工業大学 工学部

Effect of pressure on the Magnetic Materials

Gendo Oomi

Kurume Institute ofTechnology

15

多重極限関連圧力装置の調整

高橋

博樹

日本大学

文理学部

Adjustment of Cubic Anvil apparatus

Hiroki Takahashi

Nihon University

16

擬一次元有機物質の圧力下物性研究

糸井

充穂

日本大学

医学部

Study on pressure induced superconductivity of quasi organic
conductor

Miho Itoi

Nihon University

17

3d 遷移化合物に関する圧力効果

鹿又武

東北学院大学

工学総合研究所 Effect of pressure on the 3d transition compounds

Takeshi Kanomata

Tohoku Gakuin
University

18

希釈冷凍機温度で使用可能な 10GPa 級超高圧発
松林生装置の開発和幸

電気通信大学

大学院情報理工 Development of 10Gpa class high pressure apparatus for low
temperature
学研究科

KazuyukiMatsubayashi

The University
of ElectroCommunications

19

有機伝導体の圧力効果

村田惠三

大阪経済法科大 21 世紀社会総
Effect of pressure on the organic conductor
学
合研究センター

Keizo

Osaka University of
Economics and Law

20

圧力下 NMR 測定法に関する開発

藤原

直樹

京都大学

大学院人間・環 Development of NMR measurement method under highpressure
境学研究科

21

高圧下の比熱測定装置の開発

梅原

出

横浜国立大学

工学部

22

希土類 122 化合物における圧力効果

繁岡

透

山口大学

23

中性子回析に用いる圧力装置の開発

片野

進

24

低温用マルチアンビル装置の開発

辺土

25

磁化測定装置の開発

名嘉担当所員：野口89

26

MurataNaoki Fujiwara

Kyoto University

Izuru Umehara

Yokohama National
University

大学院理学研究
Pressure effect of rare earth 122 compounds
科

Toru Shigeoka

Yamaguchi University

埼玉大学

大学院理工学研
Developments of High Pressure Cell for Neutron Diffraction
究科

Susumu Katano

Saitama University

正人

琉球大学

理学部

Masato Hedo

University of the
Ryukyus

節

物質・材料研究 機能性材料研究
Development of the magnetometer機構
拠点Takashi Naka

National Institute forMaterials Science

Takeo Hoshi

Tottori University

Development of apparatus for specific heat measurements
under high pressure

Development of multi-anvil apparatus for low temperature

博司

シフト型クリロフ理論を中核とした物性計算む
け大行列数理ソルバー

星 健夫

鳥取大学

大学院工学研究 Development of large matrix solver for condensed matterphysics
科

90
ISSP Activity Report 2016

No.

課題名

氏名

27

〃

曽我部 知広名古屋大学

大学院工学研究
科〃

Tomohiro Sogabe

Nagoya University

28

〃

山地 洋平

東京大学

大学院工学系研
究科〃

Youhei Yamaji

The University of
Tokyo

大越 孝洋

東京大学

大学院工学系研 Development of Many-Variable Variational Monte Carlo
Method
究科

Takahiro Ohgoe

The University of
Tokyo

29

汎用多変数変分モンテカルロ法の整備・公開

所属

Title

Name

Organization

担当：中性子科学研究施設
30

4G における共同利用推進

佐藤

卓

東北大学

多元物質科学研
Research and Support of General-Use at 4G
究所

Taku Sato

Tohoku University

31

〃

奥山

大輔

東北大学

多元物質科学研究所〃

Daisuke Okuyama

Tohoku University

32

〃

那波 和宏

東北大学

多元物質科学研究所〃

Kazuhiro Nawa

Tohoku University

木村

宏之

東北大学

多元物質科学研
Research and Support of General-Use at T2-2
究所

Hiroyuki Kimura

Tohoku University

坂倉

輝俊

東北大学

多元物質科学研究所

Terutoshi Sakakura

Tohoku University

藤田

全基

東北大学

金属材料研究所 Research and Support of General-Use at T1-2 and T1-3

Masaki Fujita

Tohoku University

33
34
35

T2-2 における共同利用推進〃
T1-2、T1-3 における共同利用推進

〃

36

〃

南部

雄亮

東北大学

金属材料研究所〃

Yusuke Nambu

Tohoku University

37

〃

鈴木

謙介

東北大学

金属材料研究所〃

Kensuke Suzuki

Tohoku University

38

〃

池田

陽一

東北大学

金属材料研究所〃

Yoichi Ikeda

Tohoku University39

C1-2 における共同利用推進

杉山

正明

京都大学

原子炉実験所Research and Support of General-Use at C1-2

Masaaki Sugiyama

Kyoto University40

C1-2、C2-3-1、C3-1-2 における共同利用推進

井上

倫太郎

京都大学

原子炉実験所Research and Support of General-Use at C1-2, C2-3-1 and C31-2

Rintaro Inoue

Kyoto University

41

C3-1-2、C2-3-1 における共同利用推進

日野

正裕

京都大学

原子炉実験所Research and Support of General-Use at C3-1-2 and C2-3-1

Masahiro Hino

Kyoto University42

C1-3-mfSANS、C3-1-2 における共同利用推進

大場

洋次郎

京都大学

原子炉実験所Research and Support of General-Use at C1-3-mfSANS and C3Yojiro Oba
1-2

Kyoto University

No.

課題名

氏名

所属

Title

Name

Organization

43

C3-1-2 における共同利用推進

田崎

誠司

京都大学

大学院工学研究
Research and Support of General-Use at C3-1-2科

Seiji Tasaki

Kyoto University

44

C1-3-mfSANS における共同利用推進

古坂

道弘

北海道大学

大学院工学研究
Research and Support of General-Use at C1-3-mfSANS
院

Michihiro Furusaka

Hokkaido University

45

〃

大沼

正人

北海道大学

大学院工学研究院〃

Masato Ohnuma

Hokkaido University

46

〃

間宮

広明

物質・材料研究 先端材料解析研
機構
究拠点

〃

Hiroaki Mamiya

National Institute forMaterials Science

47

〃

藤原

健

産業技術総合研 計量標準総合セ
究所
ンター

〃

Takeshi Fujiwara

National Institute ofAdvanced Industrial
Science and Technology

48

C3-1-2 における共同利用推進

北口

雅暁

名古屋大学

現象解析研究セ
Research and Support of General-Use at C3-1-2
ンター

Masaaki Kitaguchi

Nagoya University

49

6G における共同利用推進

富安

啓輔

東北大学

大学院理学研究
Research and Support of General-Use at ６G科

Keisuke Yomiyasu

Tohoku University

50

〃

岩佐

和晃

茨城大学

フロンティア応
用原子科学研究センター

Kazuaki Iwasa

Ibaraki University

担当所員：辛〃埴

ISSP Activity Report 2016

9151

高温超伝導体の高分解能光電子分光

藤森

淳

東京大学

大学院理学系研 Ultra-high resolution photoemission spectroscopy on high Tc
superconductor
究科

Atsushi Fujimori

The University of
Tokyo

52

60-eV レーザーを用いた時間分解光電子分光の
開発

石坂

香子

東京大学

大学院工学系研 The development of time-resolved photoemission using
60eV laser
究科

Kyoko Ishizaka

The University of
Tokyo

53

鉄系超伝導体のレーザー光電子分光

下志万

東京大学

大学院工学系研
Laser-ARPES on Fe superconductor
究科

Takahiro Shimojima

The University of
Tokyo

54

高分解能光電子分光による強相関物質の研究

横谷

尚睦

岡山大学

大学院自然科学
Ultra-high resolution study on strongly correlated materials
研究科

Takayoshi Yokoya

Okayama University

55

有機化合物の光電子分光

金井要

東京理科大学

理工学部

Kaname Kanai

Tokyo University of
Science56

重い電子系ウラン化合物の高分解能光電子分光

藤森伸一

日本原子力研究 量子ビーム応用 Ultra high resolution photoemission study on heavy fermion
Uranium compounds
開発機構
研究センター

Shinichi FujimoriJapan Atomic Energy
Agency57

レーザー光電子分光による酸化物薄膜の研究

津田俊輔

物質・材料研究 機能性材料研究
Laser-Photoemission Study on Oxide Films
機構
拠点

Shunsuke Tsuda

National Institute forMaterials Science58

Mn 化合物の時間分解光電子分光

大川

万里生

東京理科大学

Mario Okawa

Tokyo University of
Science

貴博

理学部

Photoemission study on organic compounds

Time resolved Photoemission on Mn compounds

92

No.

課題名

氏名

所属

Organization

ISSP Activity Report 2016

Tokyo University of
Science

Takayuki Muro

Japan Synchrotron
Radiation Institute

大学院基礎工学 Research on electron state of molecular crystals using
photoemission spectroscopy
研究科

Takayuki Kisu

Osaka University

広島大学

大学院理学研究
Electronic-structure study of topological insulators
科

Akio Kimura

Hiroshima University

貴司

早稲田大学

理工学術院

Time-resolved photoemmission study on strongly-correlatedmaterials

Takashi Mizokawa

Waseda University

工学部

Study of surface dynamics by time-resolved photomission
spectroscopy with high-brilliant soft X-ray synchrotron
radiation

Hiroshi Kondoh

Keio University
Japan Synchrotron
Radiation Institute

収差補正型光電子顕微鏡の建設と利用研究

小嗣

真人

60

時間分解・マイクロビームラインの開発と研究室

61

光電子分光法を用いた各種分子性結晶の電子状態の研究及び装置の低温化

木須

孝幸

大阪大学

62

トポロジカル絶縁体の電子状態の解明

木村

昭夫

63

時間分解光電子分光を用いた強相関係物質の研
究

溝川

隆桂之

東京理科大学

基礎工学部

Construction and utilization research of aberration correction
photoelectron emission microscopy

Name
Masato Kotsugi

59

担当所員：松田

Title

高輝度光科学研 利用研究促進部
Development of micr- and time-resolved beamline
究センター
門

巌

64

高輝度放射光軟 X 線を用いた時間分解光電子分
光による表面ダイナミクス研究近藤寛

慶應義塾大学65

時間分解光電子顕微分光実験の技術開発

木下豊彦

高輝度光科学研 利用研究促進部 Technical development of time-resolved photoemission
microscopy measurement究センター
門Toyohiko Kinoshita

66

高輝度軟 X 線を利用した強相関物質の電子状態
研究

組頭

広志

高エネルギー加 物質構造科学研 Study of electronic states in strongly correlated materials withhigh brilliant soft-Xray
速器研究機構究所

High Energy
Hiroshi Kumigashira Accelerator ResearchInstitute67

二次元表示型角度分解光電子エネルギー分析器
の開発

大門

寛

奈良先端科学技 物質創成科学研 Development of 2D display type angle-resolved photoelectronenergy analyzer.
術大学院大学
究科

Hiroshi Daimon

Nara Instituteof Science andTechnology

68

時間分解光電子分光実験の技術開発

虻川

匡司

東北大学

多元物質科学研 Technical development of time-resolved photoemission
spectroscopy measurement
究所

Tadashi Abukawa

Tohoku University69

表面光電子分光実験の技術開発

坂本

一之

千葉大学

大学院融合科学 Technical development of photoemission spectroscopy
measurement for surfaces
研究科

Kazuyuki Sakamoto

Chiba University

70

スピン分解光電子分光の測定技術開発

木村

昭夫

広島大学

大学院理学研究 Technical development of spin-resolved photoemission
spectroscopy measurement科

Akio Kimura

Hiroshima University

71

軟 X 線アンジュレータビームラインの分光光学系の開発研究雨宮健太

高エネルギー加 物質構造科学研
Research and development of soft X-ray undulator beamline
速器研究機構究所

Kenta Amemiya

High Energy
Accelerator ResearchInstitute72

共鳴磁気光学カー効果の散乱理論研究田口宗孝

奈良先端科学技 物質創成科学研 Study of scattering theory for the resonant magneto-optical
Kerr effect術大学院大学
究科

Taguchi Munetaka

Nara Instituteof Science andTechnology

73

時間分解磁気光学実験の技術開発

小嗣真人

東京理科大学

基礎工学部

Masato Kotsugi

Tokyo University of
Science74

高輝度放射光光電子分光と軟 X 線回折の測定技
術開発

藤森

淳

東京大学

大学院理学系研 Ultra-high resolution photoemission spectroscopy on high Tc
superconductor
究科

Atsushi Fujimori

The University ofTokyo

Technical development of time-resolved magneto-opticalexperiment

No.

課題名

担当所員：原田

氏名

所属

Title

Name

Organization

慈久75

軟 X 線吸収／発光分光法によるリチウムイオン
電池電極材料の電子物性研究朝倉大輔

産業技術総合研 省エネルギー研 Study on the electronic property of electrode materials for Liion batteries by soft X-ray absorption/emission spectroscopy
究所
究部門

Daisuke Asakura

National Institute ofAdvanced Industrial
Science and Technology

76

〃

細野

英司

産業技術総合研 省エネルギー研
究所
究部門

Eiji Hosono

National Institute ofAdvanced Industrial
Science and Technology

77

省エネ・創エネ・蓄電デバイスのオペランド分
光

尾嶋

正治

東京大学

放射光連携研究 Operando nano-spectroscopy for energy efficient, power
generation and energy storage devices機構

Masaharu Oshima

The University of
Tokyo

78

軟 X 線発光・共鳴非弾性散乱分光の磁気円・線二色性測定システムの構築

菅

大阪大学

産業科学研究所

Shigemasa Suga

Osaka University79

二次元原子薄膜トランジスタの電子状態のナノ分析 (T)

吹留

博一

東北大学

電気通信研究所 Nanoscale analysis of electronic states of graphene device

Hirokazu Fukidome

Tohoku University

80

高分解能光電子分光による酸化バナジウムの研
究

藤原

秀紀

大阪大学

大学院基礎工学
Study on vanadium oxides by high resolution Photoemission
研究科

Hidenori Fujiwara

Osaka University

大学院工学研究 Dynamics of valence transition EuNi2(Si1-xGe)2 revealed bytime-resolved XAS
科

Kojiro Mimura

Osaka Prefecture
University

担当所員：和達滋正〃Construction of a noble system for circular and linear
dichroism in soft X-ray emission and RIXS spectroscopy

大樹

ISSP Activity Report 201681

時間分解吸収分光による EuNi2(Si1-xGe)2 の価数
三村転移ダイナミクスの解明

功次郎

大阪府立大学82

三次元 nanoESCA による実デバイスのオペラン
永村
ド電子状態解析直佳

物質・材料研究 先端材料解析研 Operando analysis of the electronic structure of actual devices
Naoka Ngamura
by 3DnanoESCA
機構
究拠点

83

共鳴軟Ｘ線散乱を用いた外場下での電子秩序状
態の解明

裕一

東京大学

山崎

大学院工学系研 Observation of electric ordered state under external field byresonant soft x-ray scattering
究科

Yuichi Yamasaki

National Institute forMaterials Science
The University ofTokyo

一般研究員 / General Researcher
No.

課題名

担当所員：榊原

氏名

所属

Title

Organization

俊郎

93

1

強相関電子系化合物の秩序相に対する結晶対称性および電子軌道の効果

横山

淳

茨城大学

理学部

2

〃

川崎

郁斗

兵庫県立大学

大学院物質理学研究科

名古屋工業大学

大学院工学研究 Magnetization and specific heat measurements for single
crystal YbNi2Si3 at low temperature
科

3

Name

単結晶 YbNi2Si3 の極低温磁化・比熱測定

松本 裕司

Effects of crystal symmetry and electronic state in orderedphase of strongly correlated electron systems〃

Makoto Yokoyama

Ibaraki University

Ikuto Kawasaki

University of Hyogo

Yuji Matsumoto

Nagoya Institute ofTechnology

94

No.

課題名

4

〃

ISSP Activity Report 2016

5

TmTr2Zn20(Tr = Rh, Ir) の極低温磁化測定

氏名

所属

Title

Name

名古屋工業大学

大学院工学研究
科

加瀬 直樹

新潟大学

大学院自然科学 Magnetization measurements of TmTr2Zn20 (Tr = Rh, Ir) at low
Naoki Kase
temperatures
研究科

兵藤

一志

〃

Kazushi Hyodo

Organization
Nagoya Institute ofTechnology
Niigata University

6

〃

棚橋 正貴

新潟大学

大学院自然科学研究科

7

キャリアドープされたパイロクロア型イリジウ
ム酸化物の磁性松平 和之

九州工業大学

大学院工学研究
Magnetism of carrier doped pyrochlore iridates
院

Kazuyuki Matsuhira

Kyushu Institute ofTechnology

8

〃

柴原

九州工業大学

大学院工学府Reo Shibahara

Kyushu Institute ofTechnology

9

ルテニウム酸化物 Sr2RuO4 の超伝導における一軸性圧力効果の比熱測定を用いた研究

矢口 宏

東京理科大学

理工学部

Hiroshi Yaguchi

Tokyo University of
Science10〃

山崎

東京理科大学

理工学部〃

Teruo Yamazaki

Tokyo University of
Science

Theoretical studies on determination of pairing symmetry inheavy Fermion superconductors

Kazushige Machida

Ritsumeikan
University

Hiroshi Takatsu

Kyoto University

怜央

照夫

〃

〃
Specific-heat study of uniaxial-pressure effects onsuperconductivity in the ruthenate Sr2RuO4

Masataka Tanahashi Niigata University

11重い電子系超伝導体の対称性決定の理論

町田 一成

立命館大学

理工学部

12

Tb2-xTi2+xO7+y (x<xc) で実現するスピン液体の
極低温比熱測定

高津 浩

京都大学

大学院工学研究
Specific heat experiments on the spin liquid Tb2-xTi2+xO7+y
科

13

磁気フラストレートした一次元量子スピン系
Rb2-xCsxCu2Mo3O12 の磁気的挙動

安井

幸夫

明治大学

理工学部

Magnetic Behavior of Magnetically Frustrated One-dimensional
Yukio Yasui
Quantum Spin System Rb2-xCsxCu2Mo3O12

Meiji University

14

U1-xThxBe13 における極低温角度分解磁場中比熱
清水 悠晴
測定

東北大学

金属材料研究所

Low-temperature heat capacity measurements for U1-xThxBe13
under angle-resolved magnetic fields

Yusei Shimizu

Tohoku University15

新規電荷移動錯体の低温磁気測定山口博則

大阪府立大学

大学院理学系研 Low temperature magnetic properties of new charge-transfer
complexs
究科

Hironori Yamaguchi

Osaka Prefecture
University

岡部俊輝

大阪府立大学

大学院理学系研
究科

Toshiki Okabe

Osaka Prefecture
University

純有機単一成分導体における H/D 同位体効果の
兼松 佑典
理論的研究

広島市立大学

大学院情報科学 Theoretical study of H/D isotope effect in purely organic
single-component conductor
研究科

Yusuke Kanematsu

Hiroshima University

大学院生命ナノシステム科学研
究科〃

Masanori Tachikawa

Yokohama City
University〃

Kaichi Yamamoto

Yokohama City
University

16〃

担当所員：森
17

〃

初果

18

〃

立川

仁典

横浜市立大学

19

〃

山本 魁知

横浜市立大学

大学院生命ナノシステム科学研
究科

No.

課題名

担当所員：長田

氏名

所属

Title

Name

Organization

俊人

20

混晶 Bi1-xSbx のキャリア数制御のための輸送特
性測定

矢口 宏

21

〃

仁野平

Transport measurements for tuning the carrier concentrationsof Bi1-xSbx alloys

Hiroshi Yaguchi

Tokyo University of
Science〃

Ryo Ninohira

Tokyo University of
Science

Hiroshi Yaguchi

Tokyo University of
Science

Kitazawa Shouichi

Tokyo University of
Science

大学院物質理学 Study of cross-correlation between spin flow and electric fieldin superfluid 3He
研究科

Akira Yamaguchi

University of Hyogo

慶應義塾大学

理工学部〃

Keiya Shirahama

Keio University

互井 通裕

慶應義塾大学

大学院理学研究科〃

Michihiro Tagai

Keio University

〃

村川

智

東京大学

低温センター〃

Satoshi Murakawa

The University of
Tokyo

28

三角格子構造をもつ有機導体の電荷グラス状態
における熱伝導率測定

橋本

顕一郎

東北大学

金属材料研究所

Thermal conductivity measurements in a charge-glass state ofan organic compound with a triangular lattice

29

〃

小林 亮太

東北大学

大学院理学研究科〃

30

制限空間内で回転する超流動ヘリウム３ー A 相の量子渦の研究石川

大阪市立大学

31

〃

小原 顕

東京理科大学

理工学部

東京理科大学

大学院理工学研
究科

矢口 宏

東京理科大学

理工学部

〃

北澤 翔一

東京理科大学

大学院理工学研究科

24

超流動 3He 中のスピン流と電場の交差相関の探索山口 明

兵庫県立大学

25

〃

白濱 圭也

26

〃

27

22

トポロジカル絶縁体の輸送特性

23
担当所員：山下

ISSP Activity Report 2016

32

95

33

Transport properties of topological insulators〃穣

超低温における dHvA 効果測定

担当所員：勝本諒

Kenichiro Hashimoto Tohoku University
Ryota Kobayashi

Tohoku University

大学院理学研究 Study on quantum vortices of superfluid 3He-A phase in theconfined geometry科

Osamu Ishikawa

Osaka Prefecture
University

大阪市立大学

大学院理学研究科

Ken Obara

Osaka Prefecture
University

宍戸 寛明

大阪府立大学

大学院工学研究dHvA effect measurements at ultra-low temperatures
科

Hiroaki Shishido

Osaka Prefecture
University

割澤

東京大学

大学院新領域創Research on nano sensing devices
成科学研究科

Shinichi Warisawa

The University of
Tokyo

修六

〃

信吾

ナノセンシングデバイスに関する研究

伸一

96
ISSP Activity Report 2016

No.

課題名

34

〃

松木

孝憲

東京大学

大学院新領域創成科学研究科〃Takanori Matsuki

The University of
Tokyo

35

〃

中村 高道

東京大学

大学院新領域創成科学研究科〃

Takamichi
Nakamura

The University of
Tokyo

36

〃

方 琦

東京大学

大学院新領域創成科学研究科〃Qi Fang

The University of
Tokyo

37

〃

根本 啓行

東京大学

大学院新領域創成科学研究科〃

Hiroyuki Nemoto

The University of
Tokyo

38

〃

上木 瞭太郎

東京大学

大学院新領域創成科学研究科〃Ryotaro Ueki

The University of
Tokyo

神戸 士郎

山形大学

大学院理工学研 Hall coefficient measurement of Pb-substituted Bi-based
superconductor
究科

Shiro Kambe

Yamagata University

39

Pb 置換 Bi 系超伝導体のホール係数測定 (4)

氏名

所属

Title

Name

Organization

40

〃

鈴木

健弘

山形大学

大学院理工学研
究科〃

Takehiro Suzuki

Yamagata university

41

〃

増川 拓未

山形大学

大学院理工学研
究科〃

Takumi Masukawa

Yamagata University

42

〃

魏 毓良

山形大学

大学院理工学研
究科〃

Wei Yuliang

Yamagata university

43

金属／半導体表面上へのナノ構造を持つ超薄膜の形成とその磁気ダイナミックスの磁気光学的
測定

河村 紀一

日本放送協会
新機能デバイス Study on magnetic dynamics of ultra-thin films and nanostructures on metal / semiconductor surfaces
放送技術研究所 研究部

44

レアメタルフリー磁性材料 L10-FeCo の磁気特
性の解析

小嗣

真人

東京理科大学

基礎工学部

Analysis of magnetic properties of rare-metal-free supermagnet "L10-FeCo"

Masato Kotsugi

Tokyo University of
Science45— —Si(111)√ 3 × √ 3 B 基板上に成長した Bi(110) 超薄膜の電子状態中辻寛

東京工業大学

物質理工学院

Electronic structure of Bi(110) thin films grown on— —Si(111)√ 3 × √ 3 B substrates

Kan Nakatsuji

Tokyo Institute ofTechnology

46

Al-Pd-Ru 準結晶・近似結晶における空孔濃度の
金沢 育三
研究

東京学芸大学

自然科学系

Positron-annihilation studies of Al-Pd-Mn quasicrystal and its
approximant crystals

Ikuzo Kanazawa

Tokyo Gakugei
University

東京学芸大学

大学院教育学研
究科〃

Makoto Nakajima

Tokyo Gakugei
University

東京大学

大学院新領域創 Positron-annihilation studies of Al-Pd-Mn quasicrystal and its
approximant crystals
成科学研究科

Kaoru Kimura

The University of
Tokyo

Nagayasu Oshima

National Institute ofAdvanced Industrial
Science and Technology

担当所員：小森

47
48
49

文夫

〃

中島 諒

Al-Pd-Ru 準結晶・近似結晶における空孔濃度の
木村
研究
〃

薫

大島 永康

産業技術総合研 分析計測標準研
究所
究部門

〃

NHK Science andNorikazu Kawamura Technology ResearchLaboratories

No.

課題名

担当所員：長谷川50

STM による FeSe1-xTex の電子状態のドープ依存
柏木 隆成
性
〃

52

二ホウ化物薄膜上エピタキシャルシリセン及びゲルマネンの低温走査トンネル顕微鏡観察

53

〃

Title

Name

Organization

筑波大学

大学院数理物質
STM study of doping x dependence of FeSe1-xTex
科

Takanari Kashiwagi

University of Tsukuba

寺尾 耕太郎

筑波大学

大学院数理物質科

Kotaro Terao

University of Tsukuba

高村

北陸先端科学技 マテリアルサイ Low temp. STM investigation of epitaxial silicene andgermanene on diboride
術大学院大学
エンス系

Yukiko Takamura

Japan Advanced
Institute of Scienceand Technology

北陸先端科学技 マテリアルサイ術大学院大学
エンス系

Antoine Fleurence

Japan Advanced
Institute of Scienceand Technology

由起子

アントワーヌフロランス

STM/STS 測定による Tl/Si(111) 表面超構造にお高山 あかりける超伝導特性の解明

55
56

所属

幸雄

51

54

氏名

〃

〃

東京大学

大学院理学系研 Superconducting properties of surface-superstructure Tl/
Si(111) studied by STM and STS
究科

Akari Takayama

The University of
Tokyo

東京大学

大学院理学系研
究科

Satoru Ichinokura

The University of
Tokyo

達也

九州大学

大学院工学研究 Development of a miniature STM for low-temperature andhigh-eld measurements of heavy fermion superconductors
院

Tatsuya Kawae

Kyushu University

一ノ倉 聖

重い電子系超伝導の実空間観察のための超低温・河江
強磁場の小型 STM の開発〃〃

ISSP Activity Report 2016

57

〃

高田

弘樹

九州大学

大学院工学府〃

Hiroki Takata

Kyushu University

58

〃

志賀

雅亘

九州大学

大学院工学府〃

Masanobu Shiga

Kyushu University

59

〃

梶原 裕太

九州大学

大学院工学府〃Yuta Kajiwara

Kyushu University

東北大学

大学院理学研究
Low-temperature STM study of size-controlled nanoclusters科

Toyoaki Eguchi

Tohoku University

Mihee Lee

Nara Insttituteof Science andTechnology

60

サイズ制御したナノクラスーの低温 STM による
江口
物性評価

担当所員：リップマー

豊明

ミック

61

金属的伝導性を示す LaAlO3/SrTiO3 ヘテロ界面
李 美希
金属層における 3d 遷移金属ドープの影響

奈良先端科学技 大学院物質創成 Effects of the doped 3d or 5d transition metal in the LaAlO3/
SrTiO3 metallic interface
術大学院大学
科学研究科

62

新規ウルツァイト型四面体強誘電体材料の創成(III)

東京工業大学

フロンティア材 The creation of novel wurtzite-type tetrahedral ferroelectricmaterials (III)料研究所

Shintaro Yasui

Tokyo Institute ofTechnology

東京大学

大学院工学系研 Fabrication and physical investigation of p-type semiconductive
Taro Yamada
film on n-type photocatalytic material surfaces
究科

The University ofTokyo

担当所員：吉信

97

63

安井 伸太郎淳

n 型半導体光触媒物質表面への p 型半導体膜の作
山田
製と評価

太郎

98
ISSP Activity Report 2016

No.

課題名

64

〃

岩瀬

元希

明治大学

65

〃

坂井

延寿

66

〃

西山

洋

67

Si(001) 表面上の準安定共吸着過程の透過 FTIR
測定

68

〃

69

SiO2 上のスピロピラン SAMs の赤外吸収測定

氏名

所属

Title

Name

研究・知財戦略機構〃

Motoki Iwase

Meiji University

東京大学

大学院工学系研
究科〃

Enju Sakai

The University of
Tokyo

東京大学

大学院工学系研
究科〃

Hiroshi Nishiyama

The University of
Tokyo

大野 真也

横浜国立大学

大学院工学研究 FTIR measurements of metastable physisorption processes on
Si(001)
院

Shinya Ohno

Yokohama National
University

小川

新

横浜国立大学

大学院工学府

Arata Ogawa

Yokohama national
university

田島 裕之

兵庫県立大学

大学院物質理学
IR measurements for spiropyran SAMs on SiO2
研究科

Hiroyuki Tajima

Univesity of Hyogo〃

Organization

70

〃

角屋 智史

兵庫県立大学

大学院物質理学研究科〃

Tomofumi Kadoya

University of Hyogo

71

〃

大塚

理人

兵庫県立大学

大学院物質理学研究科〃

Masato Otsuka

University of Hyogo72

水素終端 Si(110)-(1×1) 及び Si(111)-(1×1) 表面の表面形態の形成メカニズムの解明

須藤

彰三

東北大学

大学院理学研究 The morphology and the mechanism of the hydrogenterminated Si(110) and Si(111) surfaces
科

Shozo Suto

Tohoku University

73〃

川本 絵里奈東北大学

大学院理学研究
科〃

Erina Kawamoto

Tohoku University

74

〃

河野 純子

東北大学

大学院理学研究
科〃

Junko Kono

Tohoku University

埼玉大学

大学院理工学研
Upconversion emission mechanism of GaPN alloys
究科

Hiroyuki Yaguchi

Saitama University

埼玉大学

大学院理工学研
究科〃

Daisuke Igarashi

Saitama University〃

Kengo Takamiya

Saitama University

Kiyoshi Torizuka

Musashino University

担当所員：秋山75

英文

GaPN 混晶のアップコンバージョン発光機構に関
矢口
する研究

裕之

76

〃

五十嵐

77

〃

高宮

健吾

埼玉大学

総合技術支援セ
ンター

鳥塚

潔

武蔵野大学

教育学部

担当所員：上床78

大輔

美也

有機分子性導体の高圧物性の研究

Studies on High Pressure Properties of Organic Molecular
Conductors

No.

課題名

氏名

所属

Title

Name

Organization

79

充填スクッテルダイト超伝導体の磁気特性

川村 幸裕

室蘭工業大学

大学院工学研究
Magnetic properties of filled skutterudite superconductor.
科

Yukihiro Kawamura

Muroran Institute ofTechnology

80

YbH2+x の磁性と伝導中村修

岡山理科大学

研究連携支援セ
Magnetic and transport properties in YbH2+x
ンター

Osamu Nakamura

Okayama University of
Science81

多形化合物 RIr2Si2(R= 希土類）の結晶育成と物
質評価

繁岡

透

山口大学

大学院創成科学 Crystal growth and characterization of polymorphic
compounds RIr2Si2(R=rare earth)
研究科

Toru Shigeoka

Yamaguchi University

82

〃

内間

清晴

沖縄キリスト教
総合教育系
短期大学

Kiyoharu Uchima

Okinawa Christian
Junior College

繁岡

透

山口大学

Toru Shigeoka

Yamaguchi University

内間清晴

沖縄キリスト教
総合教育系
短期大学

Kiyoharu Uchima

Okinawa Christian
Junior College

83

多形化合物 GdIr2Si2 の磁気特性〃

大学院創成科学
Magnetic characteristics of polymorphic compound GdIr2Si2
研究科

ISSP Activity Report 2016

99

84

〃

85

1 GPa 以下でのキュービックアンビルによる高圧技術の探索村田 惠三

大阪経済法科大 ２１世紀社会総
Development of High Pressure Technique under 1 GPa
学
合研究センター

Keizo Murata

Osaka University of
Economics and Law

86(Ho, La)Rh2Si2 の磁気特性

内間清晴

沖縄キリスト教
総合教育系
短期大学

Kiyoharu Uchima

Okinawa Christian
Junior College

87

〃

繁岡

透

山口大学

大学院創成科学研究科

Toru Shigeoka

Yamaguchi University

88

導電性ラングミュア・ブロジェット膜の高圧下の電気的性質に関する研究

三浦 康弘

桐蔭横浜大学

大学院工学研究 Studies on Electrical Properties of Conductive LangmuirBlodgett Films under High Pressure
科

Yasuhiro Miura

Toin University of
Yokohama

89

重い電子系 Yb2Pt6Al15 の高圧下電気抵抗測定

松本 裕司

名古屋工業大学

大学院工学研究 Electrical resistivity measurements of heavy fermion
Yb2Pt6Al15 under high pressure科

Yuji Matsumoto

Nagoya Institute ofTechnology

90

〃

兵藤

名古屋工業大学

大学院工学研究
科

Kazushi Hyodo

Nagoya Institute ofTechnology

91

高圧下における準結晶の電気抵抗に関する研究

田村 隆治

東京理科大学

大学院基礎工学
Electrical resistivity of quasicrystals under high pressure
研究科

Ryuji Tamura

Tokyo University of
Science92〃

田中 祐二郎

東京理科大学

大学院基礎工学研究科

Yujiro Tanaka

Tokyo University of
Science

元屋 清一郎

東京理科大学

理工学部

Kiyoichiro Motoya

Tokyo University of
Science

鹿児島大学

大学院理工学研 Study on pressure-induced martensitic phase transformation in
Iduru Shigeta
Co-based Heusler alloys
究科

Kagoshima University

鹿児島大学

大学院理工学研
究科

Kagoshima University

一志93

磁気相転移過程の実時間追跡94

Co 基ホイスラー合金における圧力誘起マルテン
重田 出
サイト変態に関する研究

95

〃

大岡

隆太郎

〃

Magnetic characteristics of (Ho, La)Rh2Si2〃〃〃
Real time observation of magnetic phase transitions〃

Ryutaro Ooka

100

No.

課題名

氏名

所属

Title

Name

Organization

ISSP Activity Report 201696

三角格子反強磁性体の低温磁性

柄木

良友

琉球大学

教育学部

Low temperature magnetism of triangular antiferromagnets

Yoshitomo Karaki

University of the
Ryukyus97

Mn2Sb 基化合物の磁気相転移とアレスト効果

三井

好古

鹿児島大学

大学院理工学研 Magnetic phase transition and the arrested effect for Mn2Sbbased compounds
究科

Yoshifuru Mitsui

Kagoshima University

Taoto Wakamori

Kagoshima University

98

〃

若森

太音

鹿児島大学

大学院理工学研
究科

99

遍歴電子強磁性体 CrAlGe 基化合物の磁気特性

三井

好古

鹿児島大学

大学院理工学研 Magnetic properties of itinerant electron ferromagnet CrAlGebased compound
究科

Yoshifuru Mitsui

Kagoshima University

100

〃

吉永 総志

鹿児島大学

大学院理工学研
究科

Soshi Yoshinaga

Kagoshima University

101 Mn2Sb 基メタ磁性体の基礎磁気特性

小山 佳一

鹿児島大学

大学院理工学研
Basic magnetic properties of Mn2Sb-based metamagnets
究科

Keiichi Koyama

Kagoshima University

102

アッドライン
ンゴジ ム
ウッド

鹿児島大学

大学院理工学研
究科

Adline Ngozi Nwodo Kagoshima University

金沢大学

理工研究域

103

〃

希土類ラーベス化合物 RAl2 の異方的磁気体積効
大橋 政司
果

〃

〃

〃
Anisotropic magnetovolume effect of rare earth Lavescompound RAl2

Masashi Ohashi

Kanazawa University

Masahiro Miyagawa

Kanazawa University

Masashi Ohashi

Kanazawa University

Kouhei Oohashi

Kanazawa university

104

〃

宮川 昌大

金沢大学

大学院自然科学研究科

105

強相関電子系化合物における圧力および磁場誘起量子相転移の探索

大橋 政司

金沢大学

理工研究域

106

〃

大橋

康平

金沢大学

大学院自然科学研究科

107 鉄カルコゲナイド化合物の圧力効果

久田

旭彦

徳島大学

大学院理工学研
Pressure effect on iron-chalcogenide compound
究部

Hisada Akihiko

Tokushima University

108〃

齋藤 あゆみ徳島大学

大学院総合科学
教育部

Ayumi Saito

Tokushima University

109

強相関物質における価数揺らぎの物質探索と圧
力効果

中野 智仁

新潟大学

大学院自然科学 Investigation valence fluctuation phenomena in strongly
correlated electron system.
研究科

Tomohito Nakano

Niigata University

110

〃

福原 慶

新潟大学

大学院自然科学研究科

Kei Fukuhara

Niigata University111

層状強相関電子系化合物における新奇量子臨界現象の探索とその圧力効果

中野 智仁

新潟大学

大学院自然科学 Investigation of novel quantum critical phenomena in layered
strongly correlated electron systems and its pressure effect
研究科

Tomohito Nakano

Niigata University

112

〃

松本 絋祐

新潟大学

大学院自然科学研究科

Kosuke Matsumoto

Niigata University〃
Pressure and field induced quantum phase transition instrongly correlated electron systems
〃

〃

〃

〃

No.

課題名

氏名

113

空間反転対称性を欠く系 CeNiC2 の圧力下での磁性と超伝導の相関進

埼玉大学

大学院理工学研 Interplay between magnetism and superconductivity of the
non-centrosymmetric system CeNiC2 under high pressure
究科

Susumu Katano

Saitama University

114

梯子格子反強磁性体 BaFe2Se3 の圧力下超伝導相
青山 拓也
の探索

東北大学

大学院理学研究 Exploration of the pressure-induced superconductivity in theiron-based ladder compound, BaFe2Se3
科

Takuya Aoyama

Tohoku University

琉球大学

理学部

琉球大学

大学院理工学研
究科

片野

Title

Name

Searching of pressure-induced valence transition and transport
Masato Hedo
properties under high pressure

Organization

University of the
Ryukyus

ISSP Activity Report 2016

115 圧力誘起価数転移の探索と高圧下輸送特性

辺土

116

〃

安次富

117

空間反転対称性のない遷移金属間化合物とその関連物質の高圧下輸送特性

辺土

正人

琉球大学

理学部

118

〃

垣花

将司

琉球大学

大学院理工学研
究科〃

Masashi Kakihana

University of the
Ryukyus

119

〃

西村

健吾

琉球大学

大学院理工学研
究科〃

Kengo Nishimura

University of the
Ryukyus120

ホイスラー化合物強磁性体 Fe2MnSi の高圧化磁
化測定

伊藤

昌和

鹿児島大学

学術研究院理工
Magnetization of Heusler compound Fe2MnSi under pressure
学域

Masakazu Ito

Kagoshima University

121

〃

園田 一貴

鹿児島大学

大学院理工学研
究科

Kazuki Sonoda

Kagoshima University

122 高圧下における Eu 化合物の価数転移の探索

本多

史憲

東北大学

金属材料研究所

Honda Fuminori

Tohoku University

123

〃

大貫

惇睦

琉球大学

理学部

〃

Yoshichika Onuki

University of the
Ryukyus

124

〃

仲村

愛

東北大学

金属材料研究所〃

Ai Nakamura

Tohoku University

橋本

顕一郎

東北大学

Study of the Temperature-Pressure Phase Diagram of the One金属材料研究所 dimensional Charge-ordered Organic Compound δ'C-(BPDT- Kenichiro Hashimoto Tohoku UniversityTTF)2ICl2

東北大学

大学院理学研究科

愛東北大学

金属材料研究所

史憲

東北大学

金属材料研究所

慶應義塾大学

理工学部

125
126
127
128

一次元電荷秩序系有機導体 δ'C-(BPDTTTF)2ICl2 の温度圧力相図の研究〃

101

129 回転希釈冷凍機を用いた量子液体・固体研究

洋介

小林 亮太

UT2X2 (T: 遷移金属 , X: Si, Ge) の反強磁性の圧
仲村
力効果
〃

正人

所属

本多

白濱 圭也

〃

Yousuke Ashitomi

Transport properties of non-centrosymmetric transition metals
Masato Hedo
compounds under high pressure〃
Investigation of valence transition on Eu compounds underhigh pressure〃
Effect of Pressure on the antiferromagnetism of UT2X2(T: transition metal, X: Si, Ge)〃
Study of quantum fluids and solids using rotating dilution
refrigerator

University of the
Ryukyus
University of the
Ryukyus

Ryota Kobayashi

Tohoku University

Ai Nakamura

Tohoku University

Fuminori Honda

Tohoku University

Keiya Shirahama

Keio University

102
ISSP Activity Report 2016

No.

課題名

氏名

所属

130

〃

立木 智也

慶應義塾大学

131

〃

高橋

132

〃

Title

Name

大学院理工学研
究科〃

Tomoya Tsuiki

Keio University

足利工業大学

共通教育センター〃Daisuke Takahashi

Ashikaga Institute ofTechnology

村川 智

東京大学

低温センター〃

Satoshi Murakawa

The University ofTokyo

133 近藤格子系 Ce3RuSn6 の圧力下電気抵抗測定

脇舎 和平

横浜国立大学

工学研究院

Electrical resistivity of Ce3RuSn6 under applied pressure

Kazuhei Wakiya

Yokohama National
University

134 価数揺動物質の高圧力中輸送特性の研究

仲間 隆男

琉球大学

理学部

Transport properties of valence fluctuating compounds underpressure

Takao Nakama

University of the
Ryukyus

135

屋良 朝之

琉球大学

大学院理工学研
究科〃

Tomoyuki Yara

University of the
Ryukyus136 遷移金属化合物の高圧力下の輸送特性

仲間 隆男

琉球大学

理学部

Takao Nakama

University of the
Ryukyus

137

〃

鈴木 史記

琉球大学

大学院理工学研
究科

Fuminori Suzuki

University of the
Ryukyus138

ホイスラー型強磁性形状記憶合金の電気抵抗測定による転移温度の高圧効果

安達 義也

山形大学

Pressure effect of the transition temperature by the
大学院理工学研measurements of the electrical resistivity for the Heusler type
究科
ferromagnetic shape memory alloys

Yoshiya Adachi

Yamagata University

139

〃

小木

雄貴

山形大学

大学院理工学研
究科

Yuki Ogi

Yamagata University

140 新奇 Ce 三元系化合物の圧力下測定

本山

岳

島根大学

大学院総合理工 Physical property measurements of new Ce heavy fermion
compound under pressure
学研究科

Gaku Motoyama

Shimane University

141

瀬崎

眞澄

島根大学

大学院総合理工学研究科

Masumi Sezaki

Shimane University

雨海

有佑

室蘭工業大学

大学院工学研究 Magnetism and superconductivity in the strongly correlated Ce
Yusuke Amakai
alloys科

Muroran Institute ofTechnology

村山茂幸

室蘭工業大学

大学院工学研究 Quantum phase transition and magnetic properties in thestrongly correlated Ce compounds
科

Shigeyuki Murayama

Muroran Institute ofTechnology〃〃

142 強相関型セリウム合金の磁性と超伝導
143

強相関型セリウム化合物の量子相転移と磁気的性質

大輔

Pressure effect on transport properties of transition metalcompounds〃〃〃

Organization

144 新規三元化合物 EuCuP2 の輸送特性の圧力効果

藤原 哲也

山口大学

大学院創成科学 Pressure effect on the transport property of the novel ternarycompound EuCuP2
研究科

Tetsuya Fujiwara

Yamaguchi University

145

平山

拓斗

山口大学

大学院創成科学研究科

Takuto Hirayama

Yamaguchi University

藤原 哲也

山口大学

大学院創成科学
Magnetic property of Pr-Zn-Ge novel ternary intermetallics
研究科

Tetsuya Fujiwara

Yamaguchi University〃

146 Pr-Zn-Ge 三元系新規化合物の磁化特性

〃

No.

課題名

147

〃

氏名

所属

Title

Name

Organization〃

Taiki Sonobe

Yamaguchi University

太暉

山口大学

大学院創成科学
研究科

藤原 哲也

山口大学

大学院創成科学
Magnetic property of EuMn2Ge2
研究科

Tetsuya Fujiwara

Yamaguchi University

平山 拓斗

山口大学

大学院創成科学研究科

Takuto Hirayama

Yamaguchi University

150 LaFe2P2 の高圧力下電気抵抗測 (2)

藤原 哲也

山口大学

大学院創成科学
Resistivity measurement of LaFe2P2 under high pressure II
研究科

Tetsuya Fujiwara

Yamaguchi University

151

園部

太暉

山口大学

大学院創成科学
研究科

Taiki Sonobe

Yamaguchi University

152 YbCo2Zn20 の Co 元素位置の置換効果 IV

阿曽

尚文

琉球大学

理学部

Naofumi Aso

University of the
Ryukyus

153

小林

理気

琉球大学

理学部

Riki Kobayashi

University of the
Ryukyus154 YbCo2Zn20 の Zn 元素位置の置換効果 IV

阿曽

尚文

琉球大学

理学部

Naofumi Aso

University of the
Ryukyus

155

〃

小林

理気

琉球大学

理学部

〃

Riki Kobayashi

University of the
Ryukyus

156

〃

高村

治希

琉球大学

大学院理工学研
究科〃

Haruki Takamura

University of the
Ryukyus

157 CeRu2Al10 の Rh 置換効果の研究

小林

理気

琉球大学

理学部

RIGHT

University of the
Ryukyus158 ウラン化合物反強磁性体 UIrGe の圧力効果

芳賀 芳範

日本原子力研究 先端基礎研究セ Effect of pressure on antiferromagnetism in uranium
compound UIrGe
開発機構
ンター

Yoshinori Haga

Japan Atomic Energy
Agency159

Jiri Pospisil

日本原子力研究 先端基礎研究セ
開発機構
ンター

Jiri Pospisil

Japan Atomic Energy
Agency

原田 健自

京都大学

大学院情報学研
Development of tensor network library
究科

Kenji Harada

Kyoto University

鈴木 隆史

兵庫県立大学

大学院工学研究 Magnetic excitations of honeycomb-lattice Heisenberg-Kitaev
magnets at a finite temperature科

Takafumi Suzuki

University of Hyogo

148 EuMn2Ge2 の磁化特性
149

〃

〃

〃

ISSP Activity Report 2016〃

担当所員：川島

蜂の巣格子 Heisenberg-Kitaev 磁性体の有限温度下磁気励起103

担当所員：吉澤〃〃
Substitution effect at Co elements in YbCo2Zn20 IV〃
Substitution effect at Zn elements in YbCo2Zn20 IV

Study of Rh-doping effect in CeRu2Al10〃

直輝

160 テンソルネットワーク法のライブラリ開発
161

園部

英樹

104

No.
162

課題名

電荷注入された量子スピン鎖におけるスピン - 電
横尾 哲也
荷ダイナミクスの研究

ISSP Activity Report 2016

163
164

氏名

〃

羽合 孝文

比熱測定による FeTe1-xSx における O2 アニール
山崎
効果の評価

所属

Title

Name

Organization

高エネルギー加 物質構造科学研
Research of hole dynamics in quantum spin chain
速器研究機構究所

Tetsuya Yokoo

High Energy
Accelerator Reserach
Organization

高エネルギー加 物質構造科学研
速器研究機構究所

Takafumi HawaiHigh Energy
Accelerator Reserach
Organization

Teruo Yamazaki

Tokyo University of
Science

Takeaki Iizumi

Tokyo University of
Science〃
Evaluation of O2-annealing effects in FeTe1-xSx by means ofspecific heat measurements.

照夫

東京理科大学

理工学部

飯泉 武顕

東京理科大学

大学院理工学研
究科

166 ヨウ素輸送法により育成した FeTe1-xSx の物性

山崎

東京理科大学

大学院理工学研 Physical properties of FeTe1-xSx grown by iodine transport
method究科

Teruo Yamazaki

Tokyo University of
Science

167

〃

矢口 宏

東京理科大学

大学院理工学研
究科〃

Hiroshi Yaguchi

Tokyo University of
Science

168

〃

山本 和典

東京理科大学

理工学部〃

Kazunori Yamamoto

Tokyo University of
Science169

Sr2RuO4 における捻れによる塑性変形で誘起さ
れる超伝導

山崎

照夫

東京理科大学

理工学部

170

〃

三村

拓哉

東京理科大学

大学院理工学研究科

171 YbCo2Zn20 置換系試料の極低温比熱測定 III

小林

理気

琉球大学

理学部

172

〃

阿曽

尚文

琉球大学

理学部

173

〃

高村

治希

琉球大学

大学院理工学研究科

174

磁性不純物による三角スピンチューブのスピンダイナミクスの変化

真中

浩貴

鹿児島大学

175

Ba3Fe2O5Cl2 の中性子非弾性散乱実験に向けた
軸立て

阿部

伸行

176

〃

177

〃

165

〃

担当所員：益田照夫〃

Superconductivity induced by plastic deformation with torsion
Teruo Yamazakiin Sr2RuO4Tokyo University of
Science

Takuya Mimura

Tokyo University of
Science

Riki Kobayashi

University of the
Ryukyus〃

Naofumi Aso

University of the
Ryukyus〃

Haruki Takamura

University of the
Ryukyus

学術研究院理工 Magnetic impurity effect on spin dynamics of triangular spin
tubes
学域工学系

Hiroki Manaka

Kagoshima University

東京大学

大学院新領域創 Preparation of single crystalline Ba3Fe2O5Cl2 for themeasurement of inelastic neutron scattering
成科学研究科Nobuyuki Abe

The University of
Tokyo

松浦 慧介

東京大学

大学院新領域創成科学研究科〃

Keisuke Matsuura

The University of
Tokyo

近江

東京大学

大学院新領域創成科学研究科〃

Tsuoshi Omi

The University ofTokyo〃
Specific heat measurement at very low temperature on
YbCo2Zn20 systems III

隆嗣

毅志

No.

課題名

担当所員：嶽山

氏名

所属

Title

Name

Organization

正二郎

磁気光学測定を用いたハロゲン化金属ペロブス
カイト型結晶の励起子特性の研究

中村 唯我

東京大学

大学院工学系研 Study on excitonic properties of organometallic lead halide
perovskite using magneto-optic measurement
究科

Yuiga Nakamura

The University ofTokyo

179 キラルフェリ磁性体における磁気キラル二色性

有馬 孝尚

東京大学

大学院新領域創
Magneto-chiral dichroism in a chiral ferrimagnet
成科学研究科Takanao Ariam

The University of
Tokyo

180

〃

徳永 祐介

東京大学

大学院新領域創成科学研究科〃

Yusuke Tokunaga

The University of
Tokyo

181

〃

阿部

伸行

東京大学

大学院新領域創成科学研究科〃Nobuyuki Abe

The University of
Tokyo

182

〃

豊田

新悟

東京大学

大学院新領域創成科学研究科〃

Shingo Toyoda

The University of
Tokyo

183

〃

近江

毅志

東京大学

大学院新領域創成科学研究科〃Tsuyoshi Omi

The University of
Tokyo

184

〃

中川

直己

東京大学

大学院新領域創成科学研究科〃

Naoki Nakagawa

The University of
Tokyo

185

〃

荒木 勇介

東京大学

大学院新領域創成科学研究科〃

Yusuke Araki

The University of
Tokyo

186

〃

徳村 謙祐

東京大学

大学院新領域創成科学研究科〃

Tokumura Kensuke

The University of
Tokyo

187

フラストレーションが強い S=1 スピンダイマー
系 Ba2NiSi2O6Cl2 の超強磁場磁化測定

田中 秀数

東京工業大学

大学院理学院

Ultra-high-magnetic-field magnetization measurement on S=1
fully frustrated dimerized quantum magnet Ba2NiSi2O6Cl2

Hidekazu Tanaka

Tokyo Institute ofTechnology

178

ISSP Activity Report 2016

担当所員：金道

浩一

105

188

幾何学的フラストレート磁性体の強磁場磁化測
定

菊池 彦光

福井大学

学術研究院工学
Magnetization measurements of the frustrated magnets
系部門

Hikomitsu Kikuchi

University of Fukui

189

〃

笠松 直幸

福井大学

大学院工学研究
科

Naoyuki Kasamatsu

University of Fukui

190

重い電子系化合物が示す非従来型超伝導と磁性
の相関

横山

淳

茨城大学

理学部

Makoto Yokoyama

Ibaraki University

191

〃

川崎

郁斗

兵庫県立大学

大学院物質理学研究科

Kawasaki Ikuto

University of Hyogo

新潟大学

大学院自然科学 Decision of the upper critical field of the BiCh-based
superconductors
研究科

Naoki Kase

Niigata University

192 BiCh2 系超伝導体の上部臨界磁場の決定

加瀬 直樹

〃
Interplay between unconventional superconductivity andmagnetism in heavy-fermion compounds
〃

106

No.

課題名

193

〃

ISSP Activity Report 2016

194

氏名

所属

Title

Name

Organization〃

Yusuke Terui

Niigata University

照井 祐輔

新潟大学

大学院自然科学研究科

Yb 系化合物 YbT6Ge6 (T= Cr, Co) の強磁場磁化
道岡 千城
過程と磁気相図

京都大学

大学院理学研究 High-field magnetization measurements and magnetic phase
diagram of YbT6Ge6(T= Cr, Co)
科

Chishiro Michioka

Kyoto University

195

〃

原口 祐哉

京都大学

大学院理学研究
科〃

Yuya Haraguchi

Kyoto University

196

〃

山田 真二

京都大学

大学院理学研究科〃

Shinji Yamada

Kyoto University

197 Fe 基並びに Cu 基スピネルの高磁場物性

伊藤

昌和

鹿児島大学

学術研究院理工 Magnetic properties of Fe and Cu based spinel in highmagnetic field
学域

Masakazu Ito

Kagoshima University

198

園田 一貴

鹿児島大学

大学院理工学研
究科

Kazuki Sonoda

Kagoshima University

199 金属ナノ結晶の磁化特性

稲田

貢

関西大学

システム理工学
Magnetic properties of metal nanocrystals部

Mitsuru Inada

Kansai University

200

越田

樹

関西大学

大学院理工学研
究科

Tastuo Koshida

Kansai University

201

重い電子系超伝導体 (U,Th)Be13 の非フェルミ液
清水 悠晴
体状態における強磁場効果

東北大学

金属材料研究所

Yusei Shimizu

Tohoku University

202

金属ナノクラスターネットワークの磁気抵抗測
定

稲田

関西大学

システム理工学 Electronic transport properties of metal cluster networks underMitsuru Inada
high-magnetic field部

Kansai University

203

〃

小笠原

関西大学

システム理工学部

Naoki Ogasahara

Kansai University

204

有機／無機低次元スピン系の強磁場中における量子相転移現象小野 俊雄

大阪府立大学

大学院理学系研 Field induced quantum phase transitions in low dimensionalorganic and inorganic spin systems
究科

Toshio Ono

Osaka Prefecture
University

205

〃

遠藤 耀司

大阪府立大学

大学院理学系研
究科

Youji Endo

Osaka Prefecture
University

206 希土類金属間化合物の強磁場物性研究海老原 孝雄静岡大学

理学部

Physical properties in rare earth intermetallic compounds athigh magnetic fields

Takao Ebihara

Shizuoka University

207

ジュマエダ ジ
静岡大学
ャトミカ大学院創造科学
技術研究科〃

Jumaeda Jatmika

Shizuoka University

キョ キョウ

大学院工学研究 Investigation on physical properties of FeMn-based shapememory alloys
科

Xiao Xu

Tohoku University

〃

〃

〃

担当所員：徳永
208

貢
尚貴

〃

〃
High-magnetic-field effects on the non-Fermi-liquid heavyfermion superconductor (U,Th)Be13

〃

〃

将史

強磁場を利用した FeMn 基形状記憶合金の物性
調査

東北大学

No.
209

課題名

氏名

U2Rh3Ge5 およびその関連物質の強磁場下におけ李る磁気相図の研究

所属
東北大学

金属材料研究所

史憲

東北大学

金属材料研究所

211 EuP3 の強磁場輸送特性

高橋 英史

東京大学

212 磁性ディラック電子 EuP3 強磁場輸送特性

野本 敦朗

210

213
214
215

徳新

Title
Study of magnetic phase diagram on U2Rh3Ge5 and related
compounds under high magnetic field

Name

Organization

Dexin Li

Tohoku University

Fuminori Honda

Tohoku University

大学院工学系研
Magnetotransport properties of EuP3
究科

Hidefumi Takahashi

The University of
Tokyo

東京大学

大学院工学系研
Magnetotransport properties of EuP3
究科

Atsuro Nomoto

The University of
Tokyo

浩子

東京農工大学

大学院工学研究 High-field magnetization measurements of M2GeO5(M=Cr, V)
with Kyanite structure
院

Hiroko Katori

Tokyo Universityof Agriculture andTechnology

高田 早紀

東京農工大学

大学院工学府

Takada Saki

Tokyo Universityof Agriculture andTechnology

遍歴電子化合物 Ln2Co12P7 および関連物質の強太田 寛人
磁場磁化過程東京農工大学

大学院工学研究 High field magnetization of itinerant electronic ferromagnets
Ln2Co12P7 and its related compounds
院

Hiroto Ohta

Tokyo Universityof Agriculture andTechnology

加藤 優典

東京農工大学

大学院工学府Yusuke Kato

Tokyo Universityof Agriculture andTechnology

山崎

東京理科大学

理工学部

〃

本多

Kyanite 構造を持つ M2GeO5(M=Cr, V) の強磁場
香取
磁化測定
〃

〃

〃

ISSP Activity Report 2016

107

216

〃

217

FeTe1-xSx における O2 アニールで誘起される超伝導状態の磁気光学イメージングによる観測

218

〃

矢口 宏

東京理科大学

理工学部〃

Hiroshi Yaguchi

Tokyo University of
Science

219

〃

飯泉 武顕

東京理科大学

大学院理工学研
究科〃

Takeaki Iizumi

Tokyo University of
Science

220 半金属における磁場誘起電子相転移

矢口 宏

東京理科大学

理工学部

Hiroshi Yaguchi

Tokyo University of
Science

221

〃

仁野平

東京理科大学

大学院理工学研
究科

Ryo Ninohira

Tokyo University of
Science222

ディラック電子系磁性体における角度依存量子振動と巨大磁気抵抗効果の測定

酒井 英明

大阪大学

大学院理学研究 Observation of angle-dependent quantum oscillations andmagnetoresistance in Dirac magnets
科

Hideaki Sakai

Osaka University

223

〃

鶴田

圭吾

大阪大学

大学院理学研究科

Keigo Tsuruda

Osaka University

224 PrPd2Ge2 の強磁場下におけるメタ磁性の研究

本多

史憲

東北大学

金属材料研究所

Fuminori Honda

Tohoku University

225

モーリヤ
ルビン

東北大学

金属材料研究所

Maurya Arvind

Tohoku University

〃

照夫

諒

ア

〃

Observation of superconducting state induced by O2-annealing
Teruo Yamazaki
in FeTe1-xSx by MO imaging

Magnetic-Field-Induced Electronic Phase Transitions in
Semimetals〃〃
Investigation of metamagnetism of PrPd2Ge2 under highmagnetic field〃

Tokyo University of
Science

108

No.

課題名

氏名

所属

ISSP Activity Report 2016

226 サブメガガウス領域での希土類物性研究海老原 孝雄227

ジュマエダ ジ
静岡大学
ャトミカ

〃

静岡大学

理学部
大学院創造科学
技術研究科

Title
Physical property of rare earth compounds at pulse magnet〃

Name

Organization

Ebihara Takao

Shizuoka University

Jumaeda Jatmika

Shizuoka University

228

ホイスラー合金 NiCoMnGa の強磁場誘起逆マル
木原 工
テンサイト変態に伴う磁気熱量効果測定

東北大学

Direct measurement of magneto-caloric effects associated with
Takumi Kihara
金属材料研究所 magnetic-field-induced martensitic transformation in Heusler
alloy NiCoMnGa

Tohoku University229

ブリージングパイロクロア格子をもつスピネル
硫化物の強磁場磁化過程

岡本 佳比古名古屋大学

大学院工学研究 High Field Magnetization Measurements of Breathing
Pyrochlore Sulfides
科

Yoshihiko Okamoto

Nagoya University

増田 英俊

東京大学

大学院工学系研Polarization microscopy of EuMnBi2 under high magnetic field Hidetoshi Masuda
究科

The University ofTokyo

230 EuMnBi2 の強磁場下偏光顕微鏡観察
231

２次元有機超伝導体における磁場誘起超伝導状
態の探索

井原 慶彦

北海道大学

大学院理学研究 Study of field induced superconducting state in 2 dimensionalorganic superconductor
院

Yoshihiko Ihara

Hokkaido University

232

水素置換鉄系超伝導体の 2 つの超伝導相における上部臨界磁場

山浦 淳一

東京工業大学

元素戦略研究セ Upper critical fields in two superconducting phases ofhydrogen-substituted iron pnictides
ンター

Junichi Yamaura

Tokyo Institute ofTechnology

233

正四角台塔型反強磁性体の強磁場中電気分極測
定

木村 健太

大阪大学

大学院基礎工学 High-field electric polarization measurements of a squarecupola antiferromagnet
研究科

Kenta Kimura

Osaka University

234

GexFe3-xO4(0≤x≤1) における磁気ドメイン構造
の観察

香取 浩子

東京農工大学

大学院工学研究 Observation of magnetic domain structures in
GexFe3-xO4(0≤x≤1)
院

Hiroko Katori

Tokyo Universityof Agriculture andTechnology

235

〃

磯崎 勝哉

東京農工大学

大学院工学府Katsuya Isozaki

Tokyo Universityof Agriculture andTechnology

日本原子力研究 先端基礎研究セ Field-induced phase transition in strongly correlated uranium
compounds UTGe (T:Co,Rh,Ir)
開発機構
ンター

Yoshinori Haga

Japan Atomic Energy
AgencyJiri Pospisil

Japan Atomic Energy
AgencyTakahiro Shimojima

The University of
Tokyo

Natsuki Mitsuishi

The University of
Tokyo

236

強相関ウラン化合物 UTGe(T:Co,Rh,Ir) における
芳賀 芳範
磁場誘起相転移〃〃

Jiri Pospisil

日本原子力研究 先端基礎研究セ
開発機構
ンター

238

遷移金属ダイカルコゲナイドの時間分解光電子分光

下志万 貴博

東京大学

工学部

239

〃

三石 夏樹

東京大学

大学院工学系研
究科

240

磁性元素をインターカレートした遷移金属ダイ
カルコゲナイドにおけるスピン分極の観測

石坂

香子

東京大学

大学院工学系研 Investigation of spin polarization in intercalated transitionmetal dichalcogenide
究科

Kyoko Ishizaka

The University of
Tokyo

241

〃

吉田

訓

東京大学

大学院工学系研
究科

Satoshi Yoshida

The University of
Tokyo

237
担当所員：辛〃埴Time-resolved photo-emission study on transition metal
dichalcogenides
〃

〃

No.

課題名

242

時間分解光電子分光による遷移金属ナノシートの局在状態の研究

243〃

バルク敏感高分解能スピン分解光電子分光を用244 いた酸化物ハーフメタル強磁性体の本質的電子
状態の研究

氏名

所属

Title

Name

Organization

鉄平

京都大学

大学院人間・環 Time-resolved photoemission study of the localization behavior
Teppei Yoshidain transition metal nanosheets
境学研究科

Kyoto University

大槻 太毅

京都大学

大学院人間・環境学研究科

Ootsuki Daiki

Kyoto University

藤原

弘和

岡山大学

Studies of intrinsic electronic states of half-metallic
大学院自然科学ferromagnet oxides by bulk-sensitive high-resolution spin研究科
resolved photoemission spectroscopy

Hirokazu Fujiwara

Okayama University

吉田

〃

245

理想的なワイル半金属の非平衡ダイナミクスの
解明

木村 昭夫

広島大学

大学院理学研究
Nonequilibrium electron dynamics of ideal Weyl semimetals
科

Akio Kimura

Hiroshima University

246

〃

吉川 智己

広島大学

大学院理学研究
科

Tomoki Yoshikawa

Hiroshima University

角田 一樹

広島大学

Unveiling the relationship between a Pauli blocking and
大学院理学研究nonequilibrium Dirac fermion dynamics in the p-type
科
topological insulators

Kazuki Sumida

Hiroshima University

名古屋大学

シンクロトロン Spin-resolved angle-resolved photoemission study of spin
光研究センター texture of TaSi2

Takahiro Ito

Nagoya University

トポロジカル絶縁体表面デイラック粒子の温度
247 励起パウリブロッキングと非平衡ダイナミクスの関係性の解明〃

ISSP Activity Report 2016248

スピン分解角度分解光電子分光による TaSi2 のスピン構造の研究

伊藤249

時間反転対称性を破るワイル半金属の非平衡ダ
イナミクスの解明

陳

家華

広島大学

大学院理学研究 Nonequilibrium electron dynamics of time-reversal breaking
Weyl semimetals
科

Chen Jiahua

Hiroshima University

250

アルカリ吸着した黒リンに現れるディラック電子非平衡キャリアダイナミクス

ムニサ ヌルママティ

広島大学

大学院理学研究 Nonequilibrium Dirac fermion dynamics in alkari-metal
adsorbed black phosphorus
科

Munisa Nurmamat

Hiroshima University

251

スピン分解角度分解光電子分光による TaSi2 のスピン構造の研究

長崎 一也

名古屋大学

大学院工学研究 Spin-resolved angle-resolved photoemission study of spin
texture of TaSi2
科

Kazuyuki Nagasaki

Nagoya University252

理想的なワイル半金属のレーザースピン分解
ARPES

木村

昭夫

広島大学

大学院理学研究
Spin resolved laser ARPES study of ideal Weyl semimetals
科

Akio Kimura

Hiroshima University

吉川 智己

広島大学

大学院理学研究
科

Tomoki Yoshikawa

Hiroshima University

Chen Joahua

Hiroshima University

Shinji Kuroda

University of Tsukuba

孝寛

253

〃

254

超巨大磁気抵抗を示すトポロジカル物質のレー
ザースピン分解 ARPES

陳

家華

広島大学

大学院理学研究 Spin resolved laser-ARPES of topological extreme magnetoresistance materials
科255

トポロジカル絶縁体薄膜のレーザー励起角度光
電子分光による表面状態の観察

黒田 眞司

筑波大学

数理物質系

256

〃

山口 智也

筑波大学

大学院数理物質科学研究科〃

Tomonari Yamaguchi University of Tsukuba

257

〃

大滝 祐輔

筑波大学

大学院数理物質科学研究科〃

Yusuke Otaki

109

担当所員：小林洋平〃

Observation of surface state on thin films of topologicalinsulator using laser photoemission spectroscopy

University of Tsukuba

110

No.

課題名

氏名

ISSP Activity Report 2016258 モードロックレーザーの開発

井手口

259 超高速発光分光用ファイバーレーザーの試作

末元徹

豊田理化学研究所

担当所員：板谷

拓郎

所属
東京大学

Title

大学院理学系研
Development of mode-locked laser
究科
Development of a fiber laser for ultrafast luminescence
spectroscopy

Name

Organization

Takuro Ideguchi

The University ofTokyo

Tohru Suemoto

Toyota Physical andChemical ResearchInstitute治郎

260

テラヘルツ分光装置を用いた酸化物磁性材料の
研究

大越

慎一

東京大学

大学院理学系研Study of magnetic oxide using terahertz spectroscopy
究科

Ohkoshi Shinichi

The University of
Tokyo

261

〃

生井

飛鳥

東京大学

大学院理学系研
究科〃

Asuka Namai

The University of
Tokyo

262

〃

吉清

まりえ

東京大学

大学院理学系研
究科〃

Marie Yoshikiyo

The University of
Tokyo

263

グラフェンナノ構造における時間分解コヒーレ
ントフォノン分光

牧野 哲征

福井大学

学術研究院工学 Time-resolved coherent phonon spectroscopy in graphenebased nanostructures
系部門

Takayuki Makino

University of Fukui

264

〃

伊藤 竜一

福井大学

大学院工学研究科

Ryuichi Ito

University of Fukui〃

大阪大学 先端強磁場科学研究センター / Center for Advanced High Magnetic Field Science, Osaka University265

パルス磁場を用いたマルテンサイト変態のカイ
ネティクスに関する研究

266 三角スピンチューブの多周波電子スピン共鳴

福田

隆

大阪大学

大学院工学研究 A study on kinetics of martensitic transformations using pulsed
Takashi Fukuda
magnetic field科

Osaka University

真中

浩貴

鹿児島大学

学術研究院理工 Multi-frequency electron spin resonance measurements on
triangular spin tubes
学域工学系

Hirotaka Manaka

Kagoshima University

267

高出力テラヘルツ光源 ( ジャイロトロン ) を光源出原 敏孝とする 高周波 ESR 分光 の研究

福井大学

遠赤外領域開発 Study on high frequency ESR spectroscopy using high powerTHz radiation sources - Gyrotrons
研究センター

Toshitaka Idehara

University of Fukui

268

擬テトラヘドラル４配位構造を持つ２価コバル
ト単核単分子磁石のゼロ磁場分裂定数の決定

福田 貴光

大阪大学

Determination of zero-field splitting parameters of a novel
大学院理学研究
mononuclear divalent cobalt single molecule magnet having
科
the pseudo-tetrahedral coordination geometry

Takamitsu Fukuda

Osaka University

269 パルス強磁場用極低温実験装置の開発

野口悟

大阪府立大学２１世紀科学研
Development of the cryostat for pulsed high magnetic field
究機構

Satoru Noguchi

Osaka Prefecture
University

270

〃

石打

翔馬

大阪府立大学

大学院工学研究
科

Shoma Ishiuchi

Osaka Prefecture
University271

多重極限環境下の電子スピン共鳴計測に用いる
高出力ミリ波・サブミリ波伝送系の開発研究

光藤

誠太郎

福井大学

Development of high-power millimeter and submillimeter wave
遠赤外領域開発
transmission system for electron spin resonance measurement Seitaro Mitsudo
研究センターunder multiple extreme environment

University of Fukui

272

〃

福井大学

遠赤外領域開発
研究センター

University of Fukui

藤井 裕

〃

〃

Yutaka Fujii

No.

課題名

273

〃

氏名

所属

Title

Name

Organization〃

Yuya Ishikawa

University of Fukui

石川 裕也

福井大学

大学院工学研究科

274 双安定性を有する磁性体の強磁場効果

浅野 貴行

福井大学

学術研究院工学 High-magnetic-field effect on magnetic materials withbistability
系部門

Takayuki Asano

University of Fukui

275

〃

横山 太紀

福井大学

大学院工学研究
科

Taiki Yokoyama

University of Fukui

276

ジャイロトロンを用いた圧力下強磁場 ESR 装置
の開発

櫻井 敬博

神戸大学

研究基盤センタ Development of high pressure and high field ESR system using
Takahiro Sakurai
gyrotronーKobe University

277 カゴメ格子反強磁性体の強磁場磁化過程測定

吉田 紘行

北海道大学

大学院理学研究 High-field magnetization measurements on kagome lattice
antiferromagnets
院

Hiroyuki Yoshida

Hokkaido University

278 三角格子反強磁性体の強磁場磁化過程測定

吉田 紘行

北海道大学

大学院理学研究 High-field magnetization measurements on triangular lattice
antiferromagnets
院

Hiroyuki Yoshida

Hokkaido University

Susumu Okubo

Kobe University〃

ISSP Activity Report 2016

111

279

パルス強磁場を用いた高周波 ESR 測定による低大久保 晋
次元磁性体のスピンネマチック相の研究

神戸大学

分子フォトサイ
High-frequency ESR measurements of spin nematic phase of
エンス研究セン
low-dimensional magnet using pulsed magnetic field
ター

280

フラストレーションが強い S=1 スピンダイマー
系 Ba2NiSi2O6Cl2 の強磁場 ESR

田中 秀数

東京工業大学

大学院理学院

High-magnetic-field ESR in S=1 strongly frustrated dimerized
quantum magnet Ba2NiSi2O6Cl2

Hidekazu Tanaka

Tokyo Institute ofTechnology

281

フラストレーションが完全なスピンダイマー系
Ba2CoSi2O6Cl2 の強磁場 ESR

田中 秀数

東京工業大学

大学院理学院

High-magnetic-field ESR in fully frustrated dimerized magnet
Ba2CoSi2O2Cl2

Hidekazu Tanaka

Tokyo Institute ofTechnology

282

フタロシアニン系分子混晶における巨大磁気抵抗の局在スピン効果

花咲

徳亮

大阪大学

大学院理学研究 Local moment effect on giant magnetoresistance inphthalocyanine mixed crystal
科

Noriaki Hanasaki

Osaka university

283

〃

石井 龍太

大阪大学

大学院理学研究
科

Ryuta Ishii

Osaka university

284 SmB6 薄膜の強磁場中磁化輸送係数測定

宍戸 寛明

大阪府立大学

大学院工学研究 Magnetization and transport measurements for SmB6 thin films
Hiroaki Shishido
under high magnetic field科

Osaka Prefecture
University

285 電荷分離型イオン性固体の磁性転換機構の解明

山田 美穂子大阪大学

大学院理学研究 Elucidation of the magnetic conversion mechanism of chargeseparated-type ionic solids
科

Mihoko Yamada

Osaka University

竹内 徹也

大阪大学

低温センター

Tetsuya Takeuchi

Osaka University

大貫

惇睦

琉球大学

理学部

〃

Yoshichika Onuki

University of the
Ryukyus

Magnetization, electric polarization, and ESR measurements
for CaBaCo4O7 and CaBaFe4O7 single crystals in pulsed highmagnetic fields.

Hideki Kuwahara

Sophia University

Ryosuke Oda

Sophia University286

パルス強磁場を用いた強相関電子系物質の強磁場物性の研究

287

〃

288

CaBaCo4O7 及び CaBaFe4O7 単結晶試料の強磁
場下での磁化・電気分極・ESR 測定

桑原 英樹

上智大学

理工学部

289

〃

小田 涼佑

上智大学

大学院理工学研
究科〃

Physical properties of strongly correlated electron systems
under pulsed high magnetic field

〃

112

No.
290

課題名

氏名

単軸性キラル磁性体の磁気特性測定−磁気トルク
戸川と磁気共鳴測定−

所属

Title

Name

Organization

ISSP Activity Report 2016

欣彦

大阪府立大学

Magnetic property of monoaxial chiral magnetic materials
大学院工学研究examined by means of magnetic torque and resonance科
measurements

Yoshihiko Togawa

Osaka Prefecture
University

博則

大阪府立大学

大学院理学系研
High-field magnetic properties of new frustrated materials
究科

Hironori Yamaguchi

Osaka Prefecture
University

291 フラストレート系新物質の強磁場磁性

山口

292 Sr(TiO)Cu4(PO4)4 の強磁場 ESR

木村 健太

大阪大学

大学院基礎工学
High-field ESR study of Sr(TiO)Cu4(PO4)4
研究科

Kenta Kimura

Osaka University

293 GaFeO3 におけるスピン波の非相反性

有馬 孝尚

東京大学

大学院新領域創Nonreciprocal spin waves in GaFeO3
成科学研究科Takahisa Arima

The University of
Tokyo

294

〃

阿部 伸行

東京大学

大学院新領域創成科学研究科〃Nobuyuki Abe

The University of
Tokyo

295

〃

近江 毅志

東京大学

大学院新領域創成科学研究科〃Tsuyoshi Omi

The University of
Tokyo

296

〃

木村

東北大学

金属材料研究所〃

Shojiro Kimura

Tohoku University297

高移動度半金属が示す量子輸送特性と巨大磁気抵抗効果の研究

村川 寛

大阪大学

大学院理学研究 High magnetic field study of transport properties of ultra highmobility semimetals
科

Hiroshi Murakawa

Osaka University298

酸化還元活性配位子を有するニオブ錯体を用いた炭素―ハロゲン結合の切断に関する研究

長江 春樹

大阪大学

大学院基礎工学 C-X bond cleavage mediated by niobium complex bearing
redox active ligand
研究科

Haruki Nagae

Osaka University

Name

Organization

尚次郎

物質合成・評価設備 P クラス / Materials Synthesis and Characterization P Class Researcher
No.

課題名

氏名

所属

1

n 型半導体光触媒物質表面への p 型半導体膜の
作製と評価

山田

太郎

東京大学

大学院工学系研 Fabrication and physical investigation of p-type semiconductive
Taro Yamada
lm on n-type photocatalytic material surfaces
究科

The University of
Tokyo

2

〃

岩瀬

元希

明治大学

研究・知財戦略機構〃

Motoki

Meiji University

3

〃

坂井

延寿

東京大学

大学院工学系研
究科〃

Enju Sakai

The University of
Tokyo

4

幾何学的フラストレート系物質の単結晶育成と新奇物性の研究松平 和之

九州工業大学

大学院工学研究 Single crystal growth and study of novel phenomena ofgeometrically frustrated materials
院

Kazuyuki Matsuhira

Kyushu Institute ofTechnology

5

〃

安國 友貴

九州工業大学

大学院工学研究院

Yuki Yasukuni

Kyushu Institute ofTechnology

6電子が複合自由度を持つ遷移金属系物質の合成
と物性評価

片山 尚幸

名古屋大学

大学院工学研究 Growth of the transition metal compounds with charge, orbital
Naoyuki Katayama
and spin degrees of freedom
科

Title

〃

Iwase

Nagoya University

No.

課題名

7

〃

氏名
田村 慎也

所属
名古屋大学

大学院工学研究
科

Title
〃

Name
Shinya Tamura

Organization
Nagoya University

物質合成・評価設備 G クラス / Materials Synthesis and Characterization G Class Researcher
No.

課題名

1

高温高圧水中における固体触媒の酸性質の定量

2

〃

3
4
5
6
7

氏名

所属

Title

Name

Organization

ISSP Activity Report 2016

義人

東京大学

大学院新領域創 Quantitative evaluation of solid catalysts’ acidity in sub- andsupercritical water
成科学研究科Yoshito Oshima

The University of
Tokyo

井上 拓紀

東京大学

大学院新領域創成科学研究科

Hiroki Inoue

The University ofTokyo

高温高圧水中の固体酸・塩基触媒反応の速度論
的解析

大島

義人

東京大学

大学院新領域創 Kinetic analysis of solid acid and base catalyzed reactions in
sub- and supercritical water
成科学研究科Yoshito Oshima

The University of
Tokyo

〃

秋月

信

東京大学

大学院新領域創成科学研究科

Makoto Akizuki

The University of
Tokyo

大島

義人

東京大学

大学院新領域創Organic synthesis in sub- and supercritical water
成科学研究科Yoshito Oshima

The University of
Tokyo

伊藤 光基

東京大学

大学院新領域創成科学研究科Koki Ito

The University of
Tokyo

東京大学

大学院新領域創 Research on Prins reactions using solid acid catalyst insupercritical water
成科学研究科Yoshito Oshima

The University of
Tokyo

しん

東京大学

大学院新領域創成科学研究科Shan XinThe University ofTokyo

高圧高温水を反応場とした有機合成反応〃

大島

固体酸触媒を利用した超臨界水中の Prins 反応に
大島
関する研究
単

義人

〃

〃

〃

8

〃

9

海洋生物の炭酸塩骨格を用いた古気候復元に関する研究田中 健太郎東京大学

大気海洋研究所 Study on paleoceanography using marine carbonate

Kentaro Tanaka

The University of
Tokyo

10

泥岩が示す不完全な半透膜性に関する研究

徳永

朋祥

東京大学

大学院新領域創 Research of incomplete semipermeable properties of
mudstones
成科学研究科

Tomochika
Tokunaga

The University ofTokyo

Shogo Hirota

The University of
Tokyo

〃

113

11

〃

廣田

翔伍

東京大学

大学院新領域創成科学研究科12

ケミカルループ法における高活性酸素キャリア
複合粒子の開発

大友

順一郎

東京大学

大学院新領域創 Development of oxygen carrier composite particles with highactivity in chemical looping systems
成科学研究科

Junichiro Otomo

The University of
Tokyo

13

〃

味谷

和之

東京大学

大学院新領域創成科学研究科Miya Kazuyuki

The University of
Tokyo

14

プロトン伝導性固体電解質を用いたアンモニア
電解合成と速度論解析

大友

順一郎

東京大学

大学院新領域創 Electrochemical Synthesis of Ammonia using Proton
Conducting Solid Electrolyte and its Kinetic Analysis
成科学研究科

Junichiro Otomo

The University of
Tokyo

〃

〃

114
ISSP Activity Report 2016

No.

課題名

15

〃

中村

剛久

東京大学

大学院新領域創成科学研究科16

ケミカルループ法における酸素キャリア材料の劣化因子の解明及び長期安定性の評価

大友

順一郎

東京大学

17

〃

斉藤 佑耶
大友

18

新規プロトン - 電子混合伝導体の開発

氏名

Title

Name

〃

Takehisa Nakamura

The University ofTokyo

大学院新領域創 Evaluation of degradation factor and development of oxygen
carrier particle with long lifetime for chemical loop systems
成科学研究科

Junichiro Otomo

The University of
Tokyo

東京大学

大学院新領域創成科学研究科Yuya Saito

The University of
Tokyo

東京大学

大学院新領域創
Development of proton-electron mixed conductor
成科学研究科

Junichiro Otomo

The University of
Tokyo

小城 元

東京大学

大学院新領域創成科学研究科Kojo GenThe University of
Tokyo

大友

東京大学

大学院新領域創 Evaluation of new cell design and performance of proton
conducting SOFC
成科学研究科

Junichiro Otomo

The University of
Tokyo

橋本 隼輔

東京大学

大学院新領域創成科学研究科

Hashimoto Shunsuke

The University of
Tokyo

大友

東京大学

大学院新領域創 Development of electrode catalysts and kinetic analysis forelectrolysis using proton conducting fuel cells
成科学研究科

Junichiro Otomo

The University of
Tokyo

高坂 文彦

東京大学

大学院新領域創成科学研究科

Fumihiko Kosaka

The University of
Tokyo

東京大学

大学院新領域創 Development of oxygen carrier materials with high activity
and high durability for chemical looping systems.
成科学研究科

Junichiro Otomo

The University of
Tokyo

東京大学

大学院新領域創成科学研究科

Hikaru Oka

The University of
Tokyo

東京大学

大学院新領域創 Study of layered solid catalyzed reaction in sub- andsupercritical water
成科学研究科Yoshito Oshima

The University of
Tokyo

栞

東京大学

大学院新領域創成科学研究科

Shiori Sasaki

The University of
Tokyo

順一郎

東京大学

大学院新領域創 Electrochemical Reduction of Carbon Dioxide and Nitrogen for
Junichiro Otomo
Producing Fuels
成科学研究科The University of
Tokyo

李 建毅

東京大学

大学院新領域創成科学研究科Li Chieni

The University of
Tokyo

大友

東京大学

大学院新領域創 Study on Material Properties and Fabrication Processes forProton-conducting Type Solid Oxide Fuel cells
成科学研究科

Junichiro Otomo

The University of
Tokyo

東京大学

大学院新領域創成科学研究科

Reina Tsukimura

The University of
Tokyo

19

〃

20

プロトン伝導型 SOFC の新規セルデザインおよ
び性能評価

21

〃

22

プロトン伝導性固体電解質を用いた電解合成反応における電極触媒開発と速度論的解析

23

〃

24

ケミカルループ法における高活性かつ長期安定性に長けた酸素キャリア材料の開発

大友

25

〃

岡

26

高温高圧水を反応場とした層状固体触媒反応

所属

大島

順一郎

順一郎

順一郎

順一郎
輝
義人

27

〃

佐々木

28

二酸化炭素と窒素の電気化学還元による燃料合
成

大友

29

〃

30

プロトン伝導型固体酸化物燃料電池の材料物性評価及びセル化技術の開発

31

〃

順一郎

月村 玲菜

〃

〃

〃

〃

〃

〃

〃

〃

Organization

No.

課題名

32

超臨界水中におけるぜオライトの安定性に関す
る研究

33

〃

34

再生型燃料電池における水電解反応の電極反応
評価

35

〃

36

氏名

所属

Title

Name

Organization

東京大学

大学院新領域創The stability of zeolites in supercritical water condition
成科学研究科Yoshito Oshima

The University ofTokyo

アピバンボリラク チャンウィット

東京大学

大学院新領域創成科学研究科Apibanboriak
Chanwit

The University of
Tokyo

大友

東京大学

大学院新領域創 Investigation of electrode reaction of steam electrolysis inreversible fuel cells
成科学研究科

Junichiro Otomo

The University of
Tokyo

松岡 修平

東京大学

大学院新領域創成科学研究科Shuhei Mastuoka

The University ofTokyo

走査型顕微鏡 (SPM) を用いた固体酸化物形燃料
電池微小電極の電気化学測定

大友

順一郎

東京大学

Development of electrochemical measurements of micro
大学院新領域創electrodes for Solid Oxide Fuel Cell by scanning probe
成科学研究科microscope

Junichiro Otomo

The University of
Tokyo

37

〃

岡村

晋太郎

東京大学

大学院新領域創成科学研究科

Shintaro Okamura

The University of
Tokyo

38

ぺロブスカイト型酸化物を用いたケミカルルー
ピングシステムの開発

大友

順一郎

東京大学

大学院新領域創 Preparation of perovskite oxides as supports for MeO (Me: Cu,
Junichiro OtomoNi) oxygen carrier materials for chemical looping systems
成科学研究科The University of
Tokyo

39

〃

オーチェン
ジェームズ
オーチェン

東京大学

大学院新領域創成科学研究科The University of
Tokyo

40

生体鉱物の結晶化と組織化を支配する要因の解
明

甕 聡子

東京大学

大気海洋研究所

41

六方晶鉄酸化物の化学組成と磁気異方性

植田 浩明

京都大学

大学院理学研究 Chemical composition and magnetic anisotropy of hexagonal
ferrites
科

Hiroaki Ueda

Kyoto University

大島

義人

順一郎

〃

〃

〃

〃

Ochieng James
Ochieng

The study clarifying factors associated with crystallization and/Motai Satoko
or organization in the process forming biominerals

The University of
Tokyo

ISSP Activity Report 2016

115

42

〃

後藤

真人

京都大学

大学院理学研究科〃

Masato Goto

Kyoto University

43

〃

谷奥 泰明

京都大学

大学院理学研究
科〃

Yasuaki Tanioku

Kyoto University

44

超臨界水を反応場とした酸化物ナノ粒子の合成

大島

東京大学

大学院新領域創 Synthesis of oxide nanoparticles using supercritical water as areaction medium
成科学研究科Yoshito Oshima

The University of
Tokyo

45

〃

横

東京大学

大学院新領域創成科学研究科

Akira Yoko

The University of
Tokyo

46

アンモニア電気化学的合成反応における新規電極触媒開発と速度論解析

大友

東京大学

大学院新領域創 Development of electro-catalysts and kinetic analysis forelectrochemical synthesis of ammonia
成科学研究科

Junichiro Otomo

The University of
Tokyo

47

〃

及川 暁雄

東京大学

大学院新領域創成科学研究科Akio Oikawa

The University of
Tokyo

48

超臨界水熱合成を利用した微粒子の in situ 有機修飾技術の開発

大島東京大学

The development of the in situ organic surface modification
大学院新領域創technology on nanoparticles under supercritical hydrothermal Yoshito Oshima
成科学研究科
synthesis

義人
哲
順一郎

義人

〃

〃

The University of
Tokyo

116
ISSP Activity Report 2016

No.

課題名

49

〃

50

超臨界水熱合成による担持金属酸化物微粒子の
合成

51

〃

52

氏名

所属

原田 拓真

東京大学

大学院新領域創成科学研究科

大島

東京大学

Title

Name

Organization

Harada Takuma

The University ofTokyo

大学院新領域創 Synthesis of metal oxide particles on the surface of supports
using supercritical water
成科学研究科Yoshito Oshima

The University of
Tokyo

東京大学

大学院新領域創成科学研究科

li mengting

The University ofTokyo

メソポーラスマテリアル・グラフェンオキサイド
佐々木 岳彦に担持した金属触媒のキャラクタリゼーション

東京大学

大学院新領域創 Characterization of metal catalysts supported on mesoporous
materials and graphene oxide
成科学研究科

Takehiko Sasaki

The University ofTokyo

Etty Nurlia
Kusumawati

The University of
Tokyo

義人

李 夢亭

〃

〃

53

〃

Etty Nurlia
Kusumawati

東京大学

大学院理学系研
究科

54

スピン・電荷・軌道の自由度をもつ遷移金属化
合物の物性評価小林 慎太郎名古屋大学

大学院工学研究 Characterization of transition metal compounds with spin,
charge, and orbital degrees of freedom
科

Shintaro Kobayashi

Nagoya University

55

正 20 面体クラスター固体の伝導と磁性

木村

薫

東京大学

大学院新領域創 Transport and magnetic properties of Icosahedral Cluster
Solids
成科学研究科

Kaoru Kimura

The University of
Tokyo

廣戸

孝信

東京大学

大学院新領域創成科学研究科Takanobu Hiroto

The University ofTokyo

佐々木 岳彦東京大学

大学院新領域創 in situ measurement of Raman scattering for heterogeneous
catalytic reactions
成科学研究科

Takehiko Sasaki

The University ofTokyo

板子 健太郎

東京大学

大学院新領域創成科学研究科kentaro Itako

The University of
Tokyo

山本

隆文

京都大学

大学院工学研究
Pressure Effect on Layered Vanadium Oxyhydrides
科

Takafumi Yamamoto Kyoto University

56
57
58
59

〃
触媒反応の insitu ラマン散乱測定〃
層状バナジウム酸水素化物における圧力効果

〃

〃

〃

60

〃

竹入 史隆

京都大学

大学院工学研究
科〃

Fumitaka Takeiri

Kyoto University

61

〃

村上

泰斗

京都大学

大学院工学研究
科〃

Taito Murakami

Kyoto University

62

〃

松本 勇輝

京都大学

大学院工学研究科〃

Matsumoto Yuki

Kyoto University

63

イッテルビウムを充填したスクッテルダイト型
熱電材料の高圧合成

関根 ちひろ室蘭工業大学

大学院工学研究 High-pressure synthesis of Yb-filled skutterudite-type
thermoelectric materials
科

Chihiro Sekine

Muroran Institute ofTechnology

64

〃

住岡 和也

室蘭工業大学

大学院工学研究科

Kazuya Sumioka

Muroran Institute ofTechnology

65

超高圧プレスを用いた新規プロトニクス酸化物のソフト化学的合成法の検討

山口

東京大学

大学院工学系研 Oxide-Protonics materials synthesis by combined use of soft
chemical method and high pressure
究科

Shu Yamaguchi

The University of
Tokyo

周

〃

No.

課題名

66

〃

田中 和彦

東京大学

大学院工学系研
究科〃

Kazuhiko Tanaka

The University of
Tokyo

67

〃

本多 慶一郎東京大学

大学院工学系研
究科〃

Keiichiro Honda

The University of
Tokyo

山口

周

東京大学

大学院工学系研 Stress-induced phase transformation of Fe-Zn alloy formed in
hot-dip process
究科

Shu Yamaguchi

The University of
Tokyo

田中 和彦

東京大学

大学院工学系研
究科

Kazuhiko Tanaka

The University of
Tokyo

木村

薫

東京大学

大学院新領域創 High pressure synthesis of MoSi2 type iron aluminide, FeAl2
crystal
成科学研究科

Kaoru Kimura

The University of
Tokyo

飛田 一樹

東京大学

大学院新領域創成科学研究科

Kazuki Tobita

The University of
Tokyo

薫

東京大学

大学院新領域創 Synthesis of Li-dope alpha-rhombohedral boron by highpressurization
成科学研究科

Kaoru Kimura

The University of
Tokyo

禎桓

東京大学

大学院新領域創成科学研究科

Jang Jeonghwan

The University of
Tokyo

名古屋大学

大学院工学研究 Synthesis of sodium transition metal oxides having a onedimensional tunnel structure
科

Eiichi Hirose

Nagoya University

68
69
70
71
72

溶融亜鉛メッキ合金相の応力誘起変態〃
高圧下での MoSi2 型構造の FeAl2 結晶の作製〃

氏名

高圧印加による Li ドープ α 菱面体晶ボロンの作
木村
製

所属

Title

〃

〃

Name

Organization

ISSP Activity Report 2016

73

〃

張

74

一次元トンネル構造を持つナトリウム遷移金属
酸化物の合成廣瀬

75

超硬質遷移金属多窒化物の高圧合成

丹羽 健

名古屋大学

大学院工学研究 Ultra-high pressure synthesis of superhard transition metal
nitrides科

Ken Niwa

Nagoya University

高山

新

名古屋大学

大学院工学研究科

Shin Takayama

Nagoya University

瑛一

〃

76

〃

77

新規ペロブスカイト型遷移金属窒化物の超高圧合成と結晶化学

丹羽 健

名古屋大学

大学院工学研究 High pressure synthesis and crystal chemistry of perovskitetype transition metal nitrides
科

Ken Niwa

Nagoya University

78

〃

山田 祥吾

名古屋大学

大学院工学研究科

Shogo Yamada

Nagoya University

〃

〃

117

79

フタラジンの圧力誘起重合反応

篠崎

彩子

北海道大学

大学院理学研究
Pressure-induced oligomerization of phthalazine
院

Ayako Shinozaki

Hokkaido University

80

アラニンの高圧下におけるペプチド化反応の観
察

藤本

千賀子

東京大学

大学院理学系研
Peptide formation of alanine under high pressure
究科

Chikako Fujimoto

The University of
Tokyo

81

天然鉱物の微細組織と結晶性の実態

永嶌

真理子

山口大学

大学院創成科学 Evaluation of micro-texture and crystallinity of naturalminerals
研究科

Mariko Nagashima

Yamaguchi University

82

ナノ材料を用いた二次電池材料開発

細野 英司

Eiji Hosono

National Institute ofAdvanced Industrial
Science and Technology

産業技術総合研 省エネルギー研 Development of secondary battery materials by using nanomaterials
究所
究部門

118

No.

課題名

氏名

所属

Title

Name

Organization

ISSP Activity Report 201683

ナノ構造制御した二次電池材料の作製

牧之瀬 佑旗

産業技術総合研 省エネルギー研 Synthesis of secondary battery materials having controlled
nanostrucutre
究所
究部門

Yuki Makinose

National Institute ofAdvanced Industrial
Science and Technology

84

新規磁石材料の微細構造解析

齋藤

千葉工業大学

工学部

Microstructural studies of new permanent magnet materials

Tetsuji Saito

Chiba Institute ofTechnology

85

アーク加熱風洞を用いた宇宙往還機の熱防御シ
ステム (TPS) の動的酸化に関する研究

桃沢 愛

東京都市大学

工学部

Dynamic oxidation of thermal protection system using archeater

Ai Momozawa

Tokyo City University

86〃

佐野 宗一郎東京大学

大学院工学系研
究科〃

Soichiro Sano

The University of
Tokyo

87

〃

曽我 遼太

東京大学

大学院工学系研
究科〃

Ryota Soga

The University of
Tokyo

田村 隆治

東京理科大学

大学院基礎工学
Magnetism of quasicrystals and approximants
研究科

Ryuji Tamura

Tokyo University of
Science石川 明日香東京理科大学

大学院基礎工学研究科

Asuka Ishikawa

Tokyo University of
Science

横浜国立大学

大学院工学研究 Magnetism and thermoelectric properties at high temperaturein A1-xSrxFeO3(A : lanthanoid)院

Hiroshi Nakatsugawa

Yokohama National
University

Yoshihiko Okamoto

Nagoya University

Kengo Oka

Chuo University

88
89

準結晶・近似結晶の磁性に関する研究
〃

哲治

〃

90

A1-xSrxFeO3 (A : ランタノイド ) の高温における中津川
磁性と熱電特性に関する研究

91

重元素の 5d 電子系における新超伝導体の探索

岡本 佳比古名古屋大学

大学院工学研究 Novel superconducting 5d-electron system with heavytransition metal elements
科

92

Ruddlesden popper 型酸フッ化物ペロブスカイ
ト Pb3Fe2O5F2 における高温磁気転移の解明

岡

中央大学

理工学部

93

ハーフメタル型ホイスラー合金の磁性と輸送特性に関する研究

重田 出

鹿児島大学

大学院理工学研 Study on the magnetic and transport properties of half-metallic
Iduru Shigeta
Heusler alloys
究科

Kagoshima University

94

〃

大岡

隆太郎

鹿児島大学

大学院理工学研
究科

Ryutaro Ooka

Kagoshima University

政彦

鹿児島大学

大学院理工学研 Study on the magnetic and electrical properties of Heusler
compounds
究科

Masahiko Hiroi

Kagoshima University

正

名古屋大学

大学院工学研究 High pressure synthesis, crystal chemistry and physicalproperties of novel Zintl phases科

Masashi Hasegawa

Nagoya University

濱口 朋之

名古屋大学

大学院工学研究
科

Hamaguchi
Tomoyuki

Nagoya University

長谷川

正

名古屋大学

大学院工学研究High pressure synthesis, crystal chemistry of novel hydrides科

Masashi Hasegawa

Nagoya University

深井 俊史

名古屋大学

大学院工学研究科

Fukai Toshifumi

Nagoya University

博

研吾

95

ホイスラー型化合物の磁性と伝導の研究

廣井

96

新規ジントル相の超高圧合成と結晶化学および
物性

長谷川

97

〃

98
99

新規水素化物の超高圧合成と結晶化学〃

Investigation of the magnetic property of Ruddlesden popper
type perovskite oxyfluoride, Pb3Fe2O5F2, at high-temperature

〃

〃

〃

No.

課題名

氏名

所属

100

高周波磁気共鳴を有する単結晶希土類オルソフ
ェライトのテラヘルツ波分光

中嶋 誠

大阪大学

101

〃

加藤 康作

大阪大学

102

〃

邱 紅松

大阪大学

103

〃

弘田

和將

大阪大学

レーザーエネル
ギー学研究センター

104 新規フェロイック物質の開発

有馬 孝尚

東京大学

大学院新領域創
Exploration of new ferroics
成科学研究科

105

〃

徳永 祐介

東京大学

大学院新領域創成科学研究科

106

〃

阿部

伸行

東京大学

107

〃

豊田

新悟

108

〃

109

Title

レーザーエネルTerahertz spectroscopy for single crystal of rare-earth
ギー学研究セン
orthoferrite with high frequency magnetic resonance
ター

Name

Organization

ISSP Activity Report 2016

Makoto Nakajima

Osaka University〃

Kosaku Kato

Osaka University〃

Hongsong Qiu

Osaka University〃

Kazumasa Hirota

Osaka University

Takahisa Arima

The University of
Tokyo

〃

Yusuke Tokunaga

The University ofTokyo

大学院新領域創成科学研究科〃Nobuyuki Abe

The University of
Tokyo

東京大学

大学院新領域創成科学研究科〃

Shingo Toyoda

The University of
Tokyo

松浦 慧介

東京大学

大学院新領域創成科学研究科〃

Keisuke Matsuura

The University of
Tokyo

〃

藤間 友理

東京大学

大学院新領域創成科学研究科〃Yuri Fujima

The University of
Tokyo

110

〃

近江

毅志

東京大学

大学院新領域創成科学研究科〃Tsuyoshi Omi

The University of
Tokyo

111

〃

中川

直己

東京大学

大学院新領域創成科学研究科〃

Naoki Nakagawa

The University of
Tokyo

112

〃

小池

仁希

東京大学

大学院新領域創成科学研究科〃Yoshiki Koike

The University of
Tokyo

113

〃

荒木 勇介

東京大学

大学院新領域創成科学研究科〃

Yusuke Araki

The University of
Tokyo

114

〃

徳村 謙祐

東京大学

大学院新領域創成科学研究科〃Kensuke Tokumura

The University ofTokyo

横浜国立大学

大学院工学研究 Precipitation behavior and magnetic properties of finemagnetic particles in single Crystals of Cu ‐ Ni base alloys
院

Mahoto Takeda

Yokohama National
University

横浜国立大学

大学院工学府

Hibiki Sakakura

Yokohama National
University

115

119

116

Cu − Ni − X（X=Co,Fe）系単結晶性合金中の磁竹田 真帆人性微粒子析出過程と磁気特性の関係〃

坂倉 響

レーザーエネル
ギー学研究センター
レーザーエネル
ギー学研究セン
ター

〃

120

No.
117

課題名

氏名

Cu − Ni − X（X=Co,Fe）系単結晶性合金中の磁金性微粒子析出過程と磁気特性の関係

俊燮

所属
横浜国立大学

Title

大学院工学研究 Precipitation behavior and magnetic properties of finemagnetic particles in single Crystals of Cu ‐ Ni base alloys
院

Name
Kim Junseop

Organization
Yokohama National
University

ISSP Activity Report 2016

物質合成・評価設備 U クラス / Materials Synthesis and Characterization U Class Researcher
No.

課題名

1

異常原子価ビスマス正方格子を持つ層状酸化物の構造相転移の探索

清 良輔

東北大学

大学院理学研究 Exploration of structural phase transition in layered oxide with
Ryosuke Sei
unusual valence Bi square net
科

The University of
Tokyo

2

超臨界水中における L- システインおよびタウリ
ンの分解挙動に関する検討

布浦 鉄兵

東京大学

環境安全研究セ Degradation behavior of L-cysteine and taurine in supercritical
Teppei Nunoura
water
ンター

The University of
Tokyo

3

〃

鈴木 萌

東京大学

大学院新領域創成科学研究科Moe Suzuki

The University ofTokyo

平岡 奈緒香

東京大学

大学院理学系研
Evaluation of structure of iridate thin films
究科

Naoka Hiraoka

The University ofTokyo

Masamichi Negishi

The University of
Tokyo

4

イリジウム酸化物薄膜の構造評価

氏名

所属

Title

〃

Name

Organization

5

〃

根岸 真通

東京大学

大学院理学系研
究科

6

精密比熱測定装置のアデンダ用微小ファイバー
の作製

水上 雄太

東京大学

大学院新領域創 Fabrication of fibers for addenda of specific heat measurement
Yuta Mizukami
system成科学研究科The University of
Tokyo

7

銅酸化物高温超伝導体及び鉄カルコゲナイド超伝導体における X 線回折

芝内 孝禎

東京大学

大学院新領域創 X-ray diffraction on cuprates and iron-chalcogenide
superconductors
成科学研究科Takasada Shibauchi

The University of
Tokyo

8

〃

水上 雄太

東京大学

大学院新領域創成科学研究科〃Yuta Mizukami

The University of
Tokyo

9

〃

細井 優

東京大学

大学院新領域創成科学研究科〃Suguru Hosoi

The University of
Tokyo

10

〃

石田 浩祐

東京大学

大学院新領域創成科学研究科〃

Kousuke Ishida

The University of
Tokyo

11

ポリアニリンとブロック共重合体からなるナノ
コンポジット材料の自己組織化構造の解明

前田 利菜

東京大学

大学院新領域創 Study on the self-assembled structure in polyaniline/block
copolymer nanocomposite
成科学研究科

Rina Maeda

The University of
Tokyo

12

ポリロタキサンが構築する自己組織化構造

前田 利菜

東京大学

大学院新領域創
Self-assembled structure of polyrotaxane
成科学研究科

Rina Maeda

The University of
Tokyo

13

Andalusite 構造を持つ (Al,Fe)2GeO5 を中心としたスピングラス磁性体の磁化測定

太田 寛人

東京農工大学

大学院工学研究 Magnetization measurements of spin glass compounds
including Andalusite-type compounds (Al,Fe)2GeO5
院

Hiroto Ohta

Tokyo Universityof Agriculture andTechnology

14

〃

高田 早紀

東京農工大学

大学院工学府Saki Takada

Tokyo Universityof Agriculture andTechnology

〃

〃

No.
15

課題名

氏名

ブリッジマン法による遍歴らせん磁性体 MnP の小野瀬
大型単結晶育成

佳文

所属

Title

Name

Organization

東京大学

大学院総合文化 Large crystal growth of itinerant helical magnet MnP by means
Yoshinori Onoseof Bidgman method
研究科

The University of
Tokyo

16

〃

新居 陽一

東京大学

大学院総合文化研究科〃

Yoichi Nii

The University of
Tokyo

17

〃

蒋

東京大学

大学院総合文化研究科〃

Jiang NanThe University of
Tokyo

男

18

水中プラズマを用いたナノ粒子合成

後藤

拓

東京大学

大学院新領域創
Synthesis of nanoparticles via plasma processing in liquid
成科学研究科Taku Goto

The University of
Tokyo

19

ケミカルループ法における高性能酸素キャリア
材料の開発

大友 順一郎

東京大学

大学院新領域創 Development of oxygen carrier materials with high activity
and durability for chemical looping systems
成科学研究科

Junichiro Otomo

The University of
Tokyo

20

〃

マーチン ケラ
東京大学
ー

大学院新領域創成科学研究科Martin Keller

The University of
Tokyo

水上 雄太

大学院新領域創 Magnetization measurements on iron-based superconductors
Fe(Se,S)
成科学研究科Yuta Mizukam

The University of
Tokyo

21

鉄系超伝導体 Fe(Se,S) における磁化測定

東京大学

〃

ISSP Activity Report 2016

121

122

平成 28 年度 中性子科学研究施設
No.

課題名

共同利用課題一覧 / Joint Research List of Neutron Scattering Researcher 2016

氏名

所属

Title

Name

Organization

ISSP Activity Report 2016

・申請装置 4G: GPTAS
1GPTAS（汎用 3 軸中性子分光器）IRT 課題

佐藤

卓

東北大学

多元物質科学研
IRT project of GPTAS
究所

Taku J Sato

Tohoku University2

素励起に対する反転対称性の破れの影響

佐藤

卓

東北大学

多元物質科学研 Effect of non-centrosymmetricity to dispersions of elementary
excitations
究所

Taku J Sato

Tohoku University3

s = 1/2 三角格子反強磁性体 LiZn2Mo3O8 の磁
気励起

佐藤

卓

東北大学

多元物質科学研 Spin excitations in the s = 1/2 triangular lattice compound
LiZn2Mo3O8
究所

Taku J Sato

Tohoku University

4

酸化物磁性体 Ba2Zn2Fe12O22 および BaFe12O19
内海の超交換相互作用重宜

諏訪東京理科大 工学部機械工学 Superexchange interaction of magnetic oxides Ba2Zn2Fe12O22
and BaFe12O19
学科

Shigenori Utsumi

Tokyo University of
Science, Suwa

5

強磁性超伝導体における磁性と超伝導の研究

古川

はづき

お茶の水女子大 基幹研究院 自学
然科学系

A study of magnetic state in ferromagnetic superconductors.

Hazuki Furukawa

Ochanomizu
University

6

Sr2Ruo4 の非弾性散乱

古川

はづき

お茶の水女子大 基幹研究院 自学
然科学系

Inelastic neutron scattering experiments on Sr2RuO4

Hazuki Furukawa

Ochanomizu
University

7

CeRhIn5 の圧力下中性子回折実験による磁性と超伝導の相関の研究

小林

理気

琉球大学

理学部

Neutron Diffraction Study on CeRhIn5 under Pressure

Riki Kobayashi

University of the
Ryukyus8

一軸応力により誘起する遍歴強磁性量子相転移
の研究

清水

悠晴

東京大学

物性研究所

Study of Itinerant Ferromagnetic Quantum Phase Transition
Induced by Uniaxial StressYusei Shimizu

The University of
Tokyo

9

EuCo2P2 の磁気構造解析

藤原

哲也

山口大学

大学院理工学研
Magnetic structure analysis of EuCo2P2
究科

Tetsuya Fujiwara

Yamaguchi University

10

EuRu2P2 の磁気構造解析

藤原

哲也

山口大学

大学院理工学研
Magnetic structure analysis of EuRu2P2
究科

Tetsuya Fujiwara

Yamaguchi University11

強誘電体の相転移機構（変位型及び秩序−無秩序重松型）に関する統一的理解の確立

宏武

山口大学

教育学部

12

スピンアイスにおけるトポロジカル相転移

門脇広明

首都大学東京理工学研究科物
Topological phase transition in spin ice
理学専攻

Hiroaki Kadowaki

Tokyo Metoropolitan
University

13

時間分割中性子散乱測定による磁気構造変化過程の実時間追跡元屋清一郎

東京理科大学

理工学部物理学 Real-time observation of magnetic structural change by means
Kiyoichiro Motoya
of time-resolved neutron scattering experiments
科

Tokyo University of
Science

14

Chiral magnetic structure determination in
non-centrosymmetric Pr5Ru3Al2

奥山

大輔

東北大学

多元物質科学研 Chiral magnetic structure determination in noncentrosymmetric Pr5Ru3Al2
究所

Daisuke Okuyama

Tohoku University

15

新規構造鉄系超伝導体 CaKFe4As4 における磁気
飯田
励起

一樹

総合科学研究機研究開発部
構Kazuki Iida

CROSS

Establishment of the unified explanation about the phasetransition mechanism (displacive and orderdisorder type) in
Ferroelectrics

Magnetic excitations in a new-structure-type Fe-based
superconducting material CaKFe4As4

Hirotake Shigematsu Yamaguchi University

No.

課題名

氏名

所属

Title

Name

Organization

・申請装置 5G: PONTA

ISSP Activity Report 2016

123

隆嗣

東京大学

物性研究所

IRT project of PONTA

Takatsugu Masuda

The University of
Tokyo

稔

東京大学

物性研究所

Magnetic Structure in K2MeV2O7(Me=Co and Mn)

Minoru Soda

The University of
Tokyo

武

広島大学

大学院先端物質
Field induced charge order in SmRu4P12
科学研究科

Takeshi Matsumura

Hiroshima University

浅井

晋一郎

東京大学

物性研究所

Spin-density-wave of 1D frustrated chain compound
NaCuMoO4(OH)Shinichiro Asai

The University of
Tokyo

浅井

晋一郎

東京大学

物性研究所

Neutron Scattering for Magnetically Ordered State in Molecular
Shinichiro Asai
Quantum Magnet

The University of
Tokyo

21

偏極中性子散乱による LaCo0.8Rh0.2O3 の新奇な浅井
強磁性磁気秩序の研究

晋一郎

東京大学

物性研究所

Polarized neutron diffraction study on a novel type offerromagnetic order in LaCo0.8Rh0.2O3

Shinichiro Asai

The University of
Tokyo

22

一軸応力により誘起する遍歴強磁性量子相転移
の研究

清水

悠晴

東京大学

物性研究所

Study of Itinerant Ferromagnetic Quantum Phase Transition
Induced by Uniaxial StressYusei Shimizu

The University of
Tokyo

23

マルチフェロイック物質 Ba2MnGe2O7 の磁気モ
益田ーメントの電場制御

隆嗣

東京大学

物性研究所

Electrical control of magnetic moment on multiferroics
Ba2MnGe2O7

Takatsugu Masuda

The University of
Tokyo

24

CsFeCl3 の圧力誘起磁気秩序相における磁気構造
益田
解析

隆嗣

東京大学

物性研究所

Magnetic structure of pressure-induced ordered state in
CsFeCl3

Takatsugu Masuda

The University of
Tokyo

25

URu2Si2 の隠れた秩序に伴う多重極秩序の直接
観測

高阪

勇輔

広島大学

大学院理学研究 Direct Observation of the "Hidden Order" due to Multipole
Ordering in URu2Si2科

Yusuke Kousaka

Hiroshima University26

カイラル磁性体 CsCuCl3 のカイラルらせん磁気
構造の検出

高阪

勇輔

広島大学

大学院理学研究 Chiral Helimagnetic Structure in Chiral Inorganic Compound
CsCuCl3科

Yusuke Kousaka

Hiroshima University

27

鉄系超伝導体のスピンレゾナンスのスピン空間
異方性

李

産業技術総合研 省エネルギー研 Spin space anisotropic of spin resonance in iron-based
superconductors
究所
究部門

Chul-Ho Lee

National Institute ofAdvanced Industrial
Science and Technology28

磁場中の中性子回折を利用した Cu3(P2O6OD)2の基底状態の研究

長谷正司

物質・材料研究 中性子散乱グル The investigation on the ground state of Cu3(P2O6OD)2 using
neutron diffraction in magnetic fields
機構ープ

Masashi Hase

National Institute forMaterials Science29

時間分割中性子散乱測定による磁気構造変化過程の実時間追跡元屋清一郎

東京理科大学

理工学部
学科

30

カゴメ・三角格子を持つ LuBaCo4O7 の磁気散漫
左右田
散乱

稔

東京大学

物性研究所

Magnetic Diffuse Scattering of LuBaCo4O7 with kagome andtriangular lattices

Minoru Soda

The University of
Tokyo

31

吸着酸素磁性の磁気励起

隆嗣

東京大学

物性研究所

Magnetic excitation in Oxygen molecule adsorbed in
nanoporous metal complex

Takatsugu Masuda

The University of
Tokyo

16

PONTA（高性能偏極中性子散乱装置）IRT 課題 益田

17

２次元正方格子系 K2MeV2O7(Me=Co and Mn)
の磁気構造

18

SmRu4P12 における磁場誘起電荷秩序状態の観測 松村

19

一次元フラストレート鎖物質 NaCuMoO4(OH)のスピン密度波

20

分子性量子磁性体における磁気秩序の中性子散
乱研究

左右田

益田

哲虎

物理 Real-time observation of magnetic structural change by means
Kiyoichiro Motoya
of time-resolved neutron scattering experiments

Tokyo University of
Science

124

No.
32

課題名
偏極中性子回折による鉄過剰育成した
YbFe2+xO4 の磁気相関の研究

氏名
加倉井

和久

所属

Title

ISSP Activity Report 2016

中性子科学セン
Polarized neutron diffraction investigation of magnetic
一般財団法人総ター (CROSS 東
correlations in Fe excess grown YbFe2+xO4
合科学研究機構海)

Name

Organization

Kazuhisa Kakurai

CROSS-Tokai・申請装置 6G: TOPAN
33

TOPAN（東北大理：３軸型偏極中性子分光器）
岩佐
IRT 課題和晃

東北大学

大学院理学研究 IRT project of TOPAN (Tohoku Univ. Triple-Axis Polarized
Neutron Spectrometer)科

Kazuaki Iwasa

Tohoku University34

質量勾配をもつ非一様系での偏在的原子振動モードであるグレードンの検証

岩佐

和晃

東北大学

大学院理学研究 Gradon as a localized atomic motion in mass-graded
inhomogeneous systems
科

Kazuaki Iwasa

Tohoku University35

全対称型多極子秩序による金属−非金属転移に対岩佐する磁気不純物効果

和晃

東北大学

大学院理学研究 Magnetic Impurity Effect on the Metal-Nonmetal Transition
Kazuaki Iwasa
Associated with Totally-Symmetric Electron Multipole Ordering
科

Tohoku University

36

Ce3T4Sn13 (T = Co, Rh) におけるカイラルフェ
ルミオンの磁気励起

岩佐

和晃

東北大学

大学院理学研究 Magnetic excitations of chiral fermions in Ce3T4Sn13 (T = Co,
Rh)
科

Kazuaki Iwasa

Tohoku University

37

PrT2X20 (T = Ru, Rh, Os, Ir, X = Al, Zn) における２チャンネル近藤効果

岩佐

和晃

東北大学

大学院理学研究 Two-channel Kondo effect in PrT2X20 (T = Ru, Rh, Os, Ir, X =Al, Zn)科

Kazuaki Iwasa

Tohoku University38

SmRu4P12 における磁場誘起電荷秩序状態の観測 松村

武

広島大学

大学院先端物質
Field induced charge order in SmRu4P12
科学研究科

Takeshi Matsumura

Hiroshima University

39

新規 T' 構造ホールドープ銅酸化物 Pr2-xCaxCuO4
藤田における磁気相関の研究

全基

東北大学

金属材料研究所

Study of spin correlations in novel T'-structured cuprate oxide
Pr2-xCaxCuO4

Masaki Fujita

Tohoku University

40

高精度測定による Fe-LSCO の異方的磁気秩序ピ
藤田ークの起源の研究

全基

東北大学

金属材料研究所

Origin of anisotropic magnetic peak in Fe-LSCO studied byhigh resolution neutron-scattering measurement

Masaki Fujita

Tohoku University

隆嗣

東京大学

物性研究所

IRT project of HER

Takatsugu Masuda

The University of
Tokyo

東北大学

IMRAM

Low energy spin wave excitations of the long periodic
modulation in CaBaCo2Fe2O7

Johannes Reim

Tohoku University

・申請装置 C1-1: HER
41

HER ( 高エネルギー分解能３軸型中性子分光器 )益田
IRT 課題42

Low energy spin wave excitations of the long
periodic modulation in CaBaCo2Fe2O7

レイム
ネス

43

素励起に対する反転対称性の破れの影響

佐藤

卓

東北大学

多元物質科学研 Effect of non-centrosymmetricity to dispersions of elementary
excitations
究所

Taku J Sato

Tohoku University

44

s = 1/2 三角格子反強磁性体 LiZn2Mo3O8 の磁
気励起

佐藤

卓

東北大学

多元物質科学研 Spin excitations in the s = 1/2 triangular lattice compound
LiZn2Mo3O8
究所

Taku J Sato

Tohoku University

45

鉄系梯子型物質 BaFe2Se3 の磁気揺動

南部

雄亮

東北大学

金属材料研究所 Spin dynamics of the iron-based ladder compound BaFe2Se3

Yusuke Nambu

Tohoku University46

全対称型多極子秩序による金属−非金属転移に対岩佐する磁気不純物効果

和晃

東北大学

大学院理学研究 Magnetic Impurity Effect on the Metal-Nonmetal Transition
Kazuaki Iwasa
Associated with Totally-Symmetric Electron Multipole Ordering
科

Tohoku University

ヨハ

No.

課題名

氏名

所属

47

Ce3T4Sn13 (T = Co, Rh) におけるカイラルフェ
ルミオンの磁気励起

岩佐

和晃

東北大学

48

PrT2X20 (T = Ru, Rh, Os, Ir, X = Al, Zn) における２チャンネル近藤効果

岩佐

和晃

49

DyFe2Zn20 における磁気異方性増強を伴う逐次
磁気相転移

岩佐

50

ISSP Activity Report 2016

125

Name

Organization

大学院理学研究 Magnetic excitations of chiral fermions in Ce3T4Sn13 (T = Co,
Rh)
科

Kazuaki Iwasa

Tohoku University

東北大学

大学院理学研究 Two-channel Kondo effect in PrT2X20 (T = Ru, Rh, Os, Ir, X =Al, Zn)科

Kazuaki Iwasa

Tohoku University

和晃

東北大学

大学院理学研究 Successive magnetic phase transition with enhancement inmagnetic anisotropy of DyFe2Zn20
科

Kazuaki Iwasa

Tohoku University

新規 T' 構造ホールドープ銅酸化物 Pr2-xCaxCuO4
藤田における磁気相関の研究

全基

東北大学

金属材料研究所

Study of spin correlations in novel T'-structured cuprate oxide
Pr2-xCaxCuO4

Masaki Fujita

Tohoku University

51

高精度測定による Fe-LSCO の異方的磁気秩序ピ
藤田ークの起源の研究

全基

東北大学

金属材料研究所

Origin of anisotropic magnetic peak in Fe-LSCO studied byhigh resolution neutron-scattering measurement

Masaki Fujita

Tohoku University52

量子スピン液体の研究

門脇広明

首都大学東京理工学研究科物
Quantum spin liquid
理学専攻

Hiroaki Kadowaki

Tokyo Metoropolitan
University53

量子臨界点近傍にある YbCo2Zn20 の磁気励起

阿曽

尚文

琉球大学

理学部物質地球 Magnetic excitations in YbCo2Zn20 in vicinity of a quantum
critical point
科学科

Naofumi Aso

University of the
Ryukyus54

空間反転対称性をもたない超伝導体 CeRhSi3 の
磁気励起

阿曽

尚文

琉球大学

理学部物質地球 Magnetic Fluctuations in a Non-CentrosymmetricSuperconductor CeRhSi3
科学科

Naofumi Aso

University of the
Ryukyus55

S = 3/2 パーフェクトカゴメ系 Li2Cr3SbO8 の磁
飯田
気相関

一樹

総合科学研究機利用促進部
構Spin correlation in S = 3/2 perfect kagome compound
Li2Cr3SbO8

Iida Kazuki

CROSS

56

La5Mo4O16 における長時間磁化緩和と悪魔の階
段

飯田

一樹

総合科学研究機
利用促進部
構Long-time magnetization decay and devil's staircase in
La5Mo4O16

Kazuki Iida

CROSS

57

新一次元量子スピン系 K2Cu3O(SO4)3 の基底状
態

藤原

理賀

東京理科大学

Investigation of the magnetic ground state in a new onedimensional quantum spin system K2Cu3O(SO4)3

masayoshi Fujihara

Tokyo University of
Science58

kapelasite における量子スピン液体状態の磁気励
飯田
起

一樹

総合科学研究機研究開発部
構Spin dynamics of quantum spin liquid state in kapelasite

Kazuki Iida

CROSS

59

スピントロニクス物質 YIG の低エネルギー磁気
励起

南部

雄亮

東北大学

金属材料研究所 Low-energy magnetic excitations in YIG

Yusuke Nambu

Tohoku University

60

SANS-U（二次元位置測定小角散乱装置）IRT 課
柴山
題

充弘

東京大学

物性研究所

Mitsuhiro Shibayama

The University of
Tokyo

61

電場下での荷電性高分子の構造

Li

Xiang

東京大学

物性研究所中性
Structure of Polyelectrolytes under Electric Field
子科学研究施設

Xiang LiThe University of
Tokyo

62

プロパノール + イミダゾリウム系イオン液体二成分溶液の相分離メカニズムの解明

下村

室蘭工業大学

大学院工学研究 Phase separation of propanol+imidazolium-based ionic liquidbinary solutions
科

Takuya Shimomura

Muroran Institute ofTechnology

理学部第一部
物理学科

Title

・申請装置 C1-2: SANS-U

拓也

IRT project of SANS-U

126
ISSP Activity Report 2016

No.

課題名

氏名

所属

63

イミダゾリウム系イオン液体とグライムの混合
状態

下村

拓也

室蘭工業大学

大学院工学研究
Mixing state of imidazolium-based ionic liquid+glyme solutions Takuya Shimomura
科

Muroran Institute ofTechnology

64

ナノディスクの構造と集積化挙動の評価

中野

実

富山大学

大学院医学薬学
Structure and Stacking Behavior of Nanodiscs
研究部

Minoru Nakano

University of Toyama

65

膜貫通ペプチドのフリップフロップ誘起能の評
価

中野

実

富山大学

大学院医学薬学
Induction of Flip-Flop by Transmembrane Peptides
研究部

Minoru Nakano

University of Toyama

66

膜脂質のダイナミクスに及ぼす膜の曲率の評価

中野

実

富山大学

大学院医学薬学
Effects of Curvature on Dynamics of Membrane Lipids
研究部

Minoru Nakano

University of Toyama

67

末端残基の切断がアルファクリスタリンのサブユニット交換に及ぼす影響

井上

倫太郎

京都大学

原子炉実験所Effect of terminal truncation on subunit exchange in alphacrystallin

Rintaro Inoue

Kyoto University

68

中性子小角散乱による植物性食品タンパク質凝集体の階層構造解析

佐藤

信浩

京都大学

原子炉実験所

Hierarchical structure in plant food protein assemblies asrevealed by small-angle neutron scattering

Nobuhiro Sato

Kyoto University

69

中性子小角散乱実験による Sr2RuO4 の異常金属
状態の研究

古川

はづき

お茶の水女子大 基幹研究院 自学
然科学系

Anomalous vortex state in Sr2RuO4 studied by SANS
experiments

Hazuki Furukawa

Ochanomizu
University70

空間反転対称性の破れた超伝導体のヘリカル磁束格子の観測古川

はづき

お茶の水女子大 基幹研究院 自学
然科学系

Herical vortex phase on non-centrosymmetric superconductors Hazuki Furukawa

Ochanomizu
University

71

Fe 系超伝導体の磁束研究

古川

はづき

お茶の水女子大 基幹研究院 自学
然科学系

Vortex study on Fe-based superconductors

Hazuki Furukawa

Ochanomizu
University

72

希釈冷凍機温度領域における CeCoIn5 の磁束構
造の磁場方向依存性古川

はづき

お茶の水女子大 基幹研究院 自学
然科学系

Field direction dependence of vortex lattice structure on
CeCoIn5 in Dilution temperature

Hazuki Furukawa

Ochanomizu
University73

強磁性超伝導体における自発的磁束格子構造の
研究

古川

はづき

お茶の水女子大 基幹研究院 自然科学系
学

Spontaneous vortex phase in ferromagnetic superconductors

Hazuki Furukawa

Ochanomizu
University

74

HPT 加工により発現する巨大磁気異方性の起源

大場

洋次郎

京都大学

原子炉実験所Large magnetic anisotropy induced by high-pressure torsion

Yojiro Oba

Kyoto University

75

Small angle neutron study in chiral magnet
Pr5Ru3Al2

奥山

大輔

東北大学

多元物質科学研
Small angle neutron study in chiral magnet Pr5Ru3Al2
究所

Daisuke Okuyama

Tohoku University

76

4 分岐ポリマーの末端架橋により合成されるモデ
守島
ル高分子電解質ゲルの構造

健

東京大学

物性研究所

Structural study of model polyelectrolyte gel synthesized by
end-linking tetra-arm polymers

Ken Morishima

The University of
Tokyo

77

金属ヘリカル磁性体 MnP における長周期磁気ド山崎
メイン構造の観測

照夫

東京理科大学

理工学部

Observation of the long period magnetic domain structure inmetallic helimagnet MnP

Teruo Yamazaki

Tokyo University of
Science78

Rheo-SANS を用いたずり応力場におけるグリー
平山
ス増ちょう剤の構造解析

朋子

同志社大学

理工学部

Structural Analysis of Thickener in Grease under Shear Stressby Means of Rheo-SANS

Tomoko Hirayama

Doshisha University

79

Rheo-SANS を用いた温度場およびずり応力場に平山
おける粘度指数向上剤の等価径測定

朋子

同志社大学

理工学部

Equivalent Diameter of Polymers as Viscosity Index Improvers
under High Temperature and Shear Stress Estimated by Rheo- Tomoko Hirayama
SANS

Doshisha University

Title

Name

Organization

No.

課題名

氏名

所属

Title

80

高分子 / イオン液体溶液系における温度応答性相
柴山
分離に関する熱力学的研究

充弘

東京大学

物性研究所

81

全イオン性ポリイオンコンプレックスミセルのナノ構造と刺激応答

松岡

秀樹

京都大学

工学研究科高分 Nanostructure and Stimulli-responsibility of Totally Ionic
Polyion Complex Micelles
子化学専攻

82

Structure of imidaozlium-based ionic liquid
under shear flow

根本

文也

83

中性子散乱による液晶・高分子溶液の異方的相分離構造と配向相関の解析

根本

84

界面不活性の働きをする界面活性剤

85

Thermodynamical Study on Phase Behavior of Thermoresponsive Polymer in Hydrophobic Ionic Liquids

Name

Organization

ISSP Activity Report 2016

Mitsuhiro Shibayama

The University ofTokyo

Hideki Matsuoka

Kyoto University

高エネルギー加 物質構造科学研
Structure of imidaozlium-based ionic liquid under shear flow
速器研究機構究所

Fumiya Nemoto

High energy
accelerator researchorganization

文也

Analysis on the structure of anisotropic phase separation and
高エネルギー加 物質構造科学研
the alignment correlation in liquid crystal - polymer mixtures
速器研究機構究所
observed by neutron scattering

Fumiya Nemoto

High energy
accelerator researchorganization

貞包

浩一朗

同志社大学

生命医科学部医Surfactant molecules behaving as a surface-inactive agent
情報学科

Koichiro Sadakane

Doshisha University

高圧条件下における２成分混合溶液の新奇な臨
界挙動

貞包

浩一朗

同志社大学

生命医科学部医 Novel critical behavior in a mixture of water / organic solvent
under high-pressure condition
情報学科

Koichiro Sadakane

Doshisha University

86

HPT 加工した純鉄の磁気構造に及ぼす高密度格
子欠陥の影響足立望

豊橋技術科学大
機械工学系
学

Influence of high density lattice defects on the magnetic
Nozomu Adachi
structure of pure Fe deformed by high-pressure torsion process

Toyohashi Universityof Technology

87

小角中性子散乱によるポリ（キノキサリン -2,3ジイル）のらせん反転メカニズムの解明

長田

裕也

京都大学

工学研究科

Elucidation of the Mechanism of the Solvent-Dependent Switch
of Helical Main-Chain Chirality of Poly(quinoxaline-2,3-diyl)s
Nagata Yuya
by Small-angle Neutron Scattering

Kyoto University

88

ポリマーブレンドの相溶性に及ぼす成分ポリマ
ーの一次構造（トポロジー）の影響

高野

敦志

名古屋大学

工学研究科 化学・生物工学専 Influence of topology on the miscibility of a polymer blend
攻89

エリスロポエチン受容体のドメインダイナミク
スの解析

中川

洋

90

非膨潤性ハイドロゲルの構造に関する研究中川

91

均一な網目構造を有する温度応答性ハイドロゲ
ルの構造

Atsushi Takano

Nagoya University

日本原子力研究 階層構造研究グ
Analysis of Domain Dynamics of Erythropoetin Receptor
開発機構
ループ

Hiroshi Nakagawa

Japan Atomic Energy
Agency

慎太郎

東京大学

物性研究所

Structural study on "non-swellable" hydrogels

Shintaro Nakagawa

The University of
Tokyo

中川

慎太郎

東京大学

物性研究所

Structure of thermo-responsive hydrogels with homogeneous
network structure

Shintaro Nakagawa

The University ofTokyo

大学院工学研究
IRT project of mf-SANS
科

Michihiro Furusaka

Hokkaido University

Hiroaki Mamiya

National Institute forMaterials Science

Hideki Yoshizawa

The University ofTokyo・申請装置 C1-3: mf-SANS
92

C1-3（小型集束型小角散乱装置）IRT 課題

古坂

道弘

北海道大学

93

新規ニッケルフリーオーステナイト系 ODS 鋼中
間宮のナノ析出粒子の研究

広明

物質材料研究機 先端材料解析研
Investigation of nanoparticles in ODS Ni-free austenitic steel
構
究拠点

英樹

東京大学

・申請装置 C1-3: ULS

127

94

ULS（極小角散乱装置）IRT 課題

吉沢

物性研究所 附属中性子科学研 IRT project of ULS
究施設

128

No.

課題名

95

結晶内電場を用いた中性子電気双極子能率探索のための結晶評価

氏名

所属

Title

Name

Organization

北口

雅暁

名古屋大学

現象解析研究セ
Study of crystal-diffraction for search of neutron EDM
ンター

Masaaki Kitaguchi

Nagoya University

ISSP Activity Report 2016

・申請装置 C2-3-1: iNSE
96

C2-3-1（中性子スピンエコー分光器）IRT 課題

柴山

充弘

東京大学

物性研究所

IRT project of iNSE

Mitsuhiro Shibayama

The University of
Tokyo

97

鉄系梯子型物質 BaFe2Se3 の中性子スピンエコー 南部

雄亮

東北大学

金属材料研究所

Neutron spin echo measurements on the iron-based laddercompound BaFe2Se3

Yusuke Nambu

Tohoku University

98

中性子散乱による液晶・高分子溶液の異方的相分離構造と配向相関の解析

根本

文也

Analysis on the structure of anisotropic phase separation and
高エネルギー加 物質構造科学研
the alignment correlation in liquid crystal - polymer mixtures
速器研究機構究所
observed by neutron scattering

Fumiya Nemoto

High energy
accelerator researchorganization

99

界面不活性の働きをする界面活性剤

貞包

浩一朗

同志社大学

生命医科学部医Surfactant molecules behaving as a surface-inactive agent
情報学科

Koichiro Sadakane

Doshisha University100

エリスロポエチン受容体のドメインダイナミク
スの解析

中川

洋

日本原子力研究 階層構造研究グ
Analysis of Domain Dynamics of Erythropoetin Receptor
開発機構
ループ

Hiroshi Nakagawa

Japan Atomic Energy
Agency

山室

修

東京大学

物性研究所

IRT project of AGNES

Osamu Yamamuro

The University of
Tokyo

古府

麻衣子

東京大学

物性研究所

Spin dynamics in Zn-Ln-Zn single-molecule magnets

Maiko Kofu

The University ofTokyo・申請装置 C3-1-1: AGNES
101

AGNES（高分解能パルス冷中性子分光器）IRT
課題

102 Zn-Ln-Zn 単分子磁石のスピンダイナミクス
103

パラジウム水素化物ナノ結晶における水素の振
動状態

古府

麻衣子

東京大学

物性研究所

Vibrational state of H atoms in nanocrystalline palladium
hydrideMaiko Kofu

The University of
Tokyo

104

柔粘性結晶相をもつイオン液体の速いダイナミ
クス

山室

修

東京大学

物性研究所

Fast Dynamics of Ionic Liquids with Plastic-crystalline Phases

Osamu Yamamuro

The University of
Tokyo

105

配位高分子ホスト [CuZn(CN)4]- に包接された
K+ 水溶液のダイナミクス

錦織

紳一

東京大学

総合文化研究科
Dynamics of the K+ aqueous solution confined in a
広域科学専攻coordination polymer host [CuZn(CN)4]-

Shinichi Nishikiori

The University of
Tokyo

106

スピントロニクス物質 YIG の偏極中性子非弾性
散乱

南部

雄亮

東北大学

金属材料研究所

Polarized neutron scattering investigation of the spin wave
excitations in YIG

Yusuke Nambu

Tohoku University

MINE1（京大炉：多層膜中性子干渉計・反射率計）
日野
IRT 課題正裕

京都大学

原子炉実験所

MINE1 (Multilayer neutron interferometer and reflectmeter)

Masahiro Hino

Kyoto University

正裕

京都大学

原子炉実験所

Development of focusing neutron mirror

Masahiro Hino

Kyoto University

・申請装置 C3-1-2: MINE1
107

108 冷中性子集光ミラー開発

日野

No.

課題名

氏名

所属

Title

Name

Organization

Masahiro Hino

Kyoto University

・申請装置 C3-1-2: MINE2
109

MINE2（京大炉：多層膜中性子干渉計・反射率計）
日野
IRT 課題正裕

京都大学

原子炉実験所

110

超冷中性子・熱外中性子光学のためのデバイス
開発

北口

雅暁

名古屋大学

現象解析研究セ Development of optical devices for ultra cold and epithermal
neutrons
ンター

Masaaki Kitaguchi

Nagoya University

日野

正裕

京都大学

原子炉実験所

Development of focusing neutron mirror

Masahiro Hino

Kyoto University

高分子 / 水界面における生体分子の吸着状態の解
松野
析

寿生

九州大学

大学院工学研究 Analyses of adsorbed biomolecules at the polymer/water
院応用化学部門 interface

Hisao Matsuno

Kyushu University

田中

敬二

九州大学

工学研究院
用化学部門

Keiji Tanaka

Kyushu University

吉沢

英樹

東京大学

物性研究所 附属中性子科学研 IRT project of HQR
究施設

Hideki Yoshizawa

The University of
Tokyo

理気

琉球大学

理学部

Neutron Diffraction Study on CeRhIn5 under Pressure

Riki Kobayashi

University of the
Ryukyus

稔

東京大学

物性研究所

Magnetic Structure in K2MeV2O7(Me=Co and Mn)

Minoru Soda

The University of
Tokyo

悠晴

東京大学

物性研究所

Study of Itinerant Ferromagnetic Quantum Phase Transition
Induced by Uniaxial StressYusei Shimizu

The University of
Tokyo

進

埼玉大学

理工学研究科

Magnetic structures of the non-centrosymmetrical 2D system
CeNiC2

Susumu Katano

Saitama University

111 冷中性子集光ミラー開発
112

113 混合液体中における高分子薄膜の膨潤挙動

MINE2 (Multilayer neutron interferometer and reflectmeter)

応 Swelling Behavior of Polymer Thin Films in Mixed Nonsolvents

・申請装置 T1-1: HQR
114 HQR（高分解能中性子散乱装置）IRT 課題

ISSP Activity Report 2016

115

CeRhIn5 の圧力下中性子回折実験による磁性と超伝導の相関の研究

小林

116

２次元正方格子系 K2MeV2O7(Me=Co and Mn)
の磁気構造

左右田

117

一軸応力により誘起する遍歴強磁性量子相転移
の研究

清水

118

空間反転対称性を欠く二次元的系 CeNiC2 の磁気
片野
構造

129

119 EuCo2P2 の磁気構造解析

藤原

哲也

山口大学

大学院理工学研
Magnetic structure analysis of EuCo2P2
究科

Tetsuya Fujiwara

Yamaguchi University

120 EuRu2P2 の磁気構造解析

藤原

哲也

山口大学

大学院理工学研
Magnetic structure analysis of EuRu2P2
究科

Tetsuya Fujiwara

Yamaguchi University

121 Rb2MoO4 における多形転移とソフトフォノン

重松

宏武

山口大学

教育学部

Polymorph Transition and Soft Phonon in Rb2MoO4

Hirotake Shigematsu Yamaguchi University

122

強誘電体の相転移機構（変位型及び秩序−無秩序重松型）に関する統一的理解の確立

宏武

山口大学

教育学部

Establishment of the unified explanation about the phasetransition mechanism (displacive and orderdisorder type) in
Ferroelectrics

Hirotake Shigematsu Yamaguchi University

123

鉄系超伝導体のスピンレゾナンスのスピン空間
異方性

李

哲虎

産業技術総合研 省エネルギー研 Spin space anisotropic of spin resonance in iron-based
superconductors
究所
究部門

Chul-Ho Lee

National Institute ofAdvanced Industrial
Science and Technology

130
ISSP Activity Report 2016

No.

課題名

氏名

所属

124

時間分割中性子散乱測定による磁気構造変化過程の実時間追跡元屋清一郎

東京理科大学

理工学部
学科

125

マルチフェロイック CuFeO2 における強誘電性の一軸応力制御

満田節生

東京理科大学

理学部

物理

Uniaxial-pressure control of ferroelectricity in a spin-driven
magneto-electric multiferroic CuFeO2

Setsuo Mitsuda

Tokyo University of
Science

126

一軸応力による 2 等辺三角格子反強磁性体
CoNb2O6 の交換相互作用定数の制御

満田

節生

東京理科大学

理学部

物理

Uniaxial pressure effect on magnetic ordering in a frustrated
isosceles triangular lattice Ising antiferromagnet CoNb2O6

Setsuo Mitsuda

Tokyo University of
Science

Masaki Fujita

Tohoku University

Title

Name

物理 Real-time observation of magnetic structural change by means
Kiyoichiro Motoya
of time-resolved neutron scattering experiments

Organization
Tokyo University of
Science

・申請装置 T1-2: AKANE
127

AKANE（東北大金研：三軸型中性子分光器 ）IRT 課題

藤田

全基

東北大学

金属材料研究所 IRT project of AKANE

128

新規 T' 構造ホールドープ銅酸化物 Pr2-xCaxCuO4
藤田における磁気相関の研究

全基

東北大学

金属材料研究所

Study of spin correlations in novel T'-structured cuprate oxide
Pr2-xCaxCuO4

Masaki Fujita

Tohoku University

129

高精度測定による Fe-LSCO の異方的磁気秩序ピ
藤田ークの起源の研究

全基

東北大学

金属材料研究所

Origin of anisotropic magnetic peak in Fe-LSCO studied byhigh resolution neutron-scattering measurement

Masaki Fujita

Tohoku University

130 MPO4 (M: 遷移金属 ) のカイラル磁気構造の検証 高阪

勇輔

広島大学

大学院理学研究 Chiral Magnetism in New Chiral Magnetic Compounds MPO4
(M: Transition Metal)科

Yusuke Kousaka

Hiroshima University

131 CrX (Cr=Si, Ge) のカイラル磁気構造の検証

高阪

勇輔

広島大学

大学院理学研究
Chiral Magnetic Structure in CrX (X=Si, Ge)科

Yusuke Kousaka

Hiroshima University

高阪

勇輔

広島大学

大学院理学研究 Crossover between conical and screw magnetic phase in(Mn,Mg)Cr2O4
科

Yusuke Kousaka

Hiroshima University

132

幾何学的フラストレート系 (Mn,Mg)Cr2O4 におけるらせん磁気構造のクロスオーバー・申請装置 T1-3 HERMES133

HERMES（東北大金研：中性子粉末回折装置）
IRT 課題

南部

雄亮

東北大学

金属材料研究所 IRT project of HERMES

Yusuke Nambu

Tohoku University

134

層状ペロブスカイト型酸化物の結晶構造とイオ
ン拡散経路

八島

正知

東京工業大学

大学院理工学研
Crystal structure and ion-diffusion path of layered perovskite究科・物質科学
type oxides
専攻

Masatomo Yashima

Tokyo Institute ofTechnology

135

二層三角格子反強磁性体 Fe2Ga2S5 の結晶構造と
南部
磁気構造

雄亮

東北大学

金属材料研究所

Crystal and magnetic structures of the bilayer triangularantiferromagnet Fe2Ga2S5

Yusuke Nambu

Tohoku University

土井

貴弘

北海道大学

大学院理学研究
Magnetic structure of lanthanide-transition metal oxides
院化学部門

Yoshihiro Doi

Hokkaido University

137

Ni 一次元鎖構造を持つ AM2Ni6Te3O18 の磁気構
土井
造

貴弘

北海道大学

大学院理学研究
Magnetic structure of Ni chain compounds AM2Ni6Te3O18
院化学部門

Yoshihiro Doi

Hokkaido University

138

ペロブスカイト型酸窒化物に対する水素化物イ
オン挿入

洋治

京都大学

工学研究科 物
質エネルギー化 Hydride Insertion into Perovskite Oxynitrides
学専攻

Yoji Kobayashi

Kyoto University

136 希土類−遷移金属複合酸化物の磁気構造

小林

No.

課題名

氏名

所属

Title

Name

Organization

139 YbCo2Zn20 の置換系試料の結晶・磁気構造解析

小林

理気

琉球大学

理学部

Determination of Crystal and Magnetic Structure in
Yb(Co1-xTx)2(Zn1-xXx)20 system

Riki Kobayashi

University of the
Ryukyus140 Pd/Ru ナノ合金の構造

山室

修

東京大学

物性研究所

Structures of Pd/Ru nano-alloys

Osamu Yamamuro

The University of
Tokyo

山本

隆文

京都大学

工学研究科

Synthesize of Novel Oxynitride with High − Temperature
Topochemical Reaction

Takafumi Yamamoto Kyoto university

142 正方格子反強磁性体 Sr2CuSi2O7 の磁気構造解析 益田

隆嗣

東京大学

物性研究所

Magnetic Structure Study on a Square Lattice Antiferromagnet
Takatsugu Masuda
Sr2CuSi2O7

The University ofTokyo

新規ペロブスカイト関連 AA'BO4 型構造をもつ
143 酸化物イオン伝導体の結晶構造とイオン伝導経
路の解明

孝太郎

東京工業大学

Structural Investigation of the Novel Perovskite related
AA'BO4-type Materials ?Oxide-Ionic and Electronic Conducting Kotaro Fujii
Materials?

Tokyo Institute ofTechnology

全基

東北大学

金属材料研究所

Study of crystal structure in novel T'-structured cuprate oxide
Pr2-xCaxCuO4

Masaki Fujita

Tohoku University

重田

出

鹿児島大学

大学院理工学研
Antiferromagnetic state of Heusler alloy Ru2CrSi
究科

Iduru Shigeta

Kagoshima University

141

144

高温トポケミカル反応による新規酸窒化物の合成

藤井

新規 T' 構造ホールドープ銅酸化物 Pr2-xCaxCuO4
藤田
の結晶構造

145 ホイスラー合金 Ru2CrSi の反強磁性状態

ISSP Activity Report 2016146

新規カイラル磁性体 MPO4 (M: 遷移金属 ) の磁
気構造解析

高阪

勇輔

広島大学

大学院理学研究 Magnetic Structure Analysis in New Chiral Magnetic
Compounds MPO4 (M: Transition Metal)科

Yusuke Kousaka

Hiroshima University

147

新規カイラル磁性体 CrX(X: Si, Ge) の磁気構造
解析

高阪

勇輔

広島大学

大学院理学研究 Magnetic Structure Analysis in New Chiral Magnetic
Compounds CrX (X: Si, Ge)科

Yusuke Kousaka

Hiroshima University

148

粉末中性子回折法による平面４配位構造亜鉛層状酸塩化物の精密構造解析

辻本吉廣

物質材料研究機 先端材料プロセ Crystal structure determination of new square-planar
coordinated Zn oxychloride by neutron powder diffraction
構
スユニット

Yoshihiro Tsujimoto

National Institute forMaterials Science149

新規正方格子磁性体 Sr2CrO3X (X = F and Cl)の磁気構造解析辻本吉廣

物質材料研究機 先端材料プロセ Magnetic structure determination of new square-lattice
antiferromagnets Sr2CrO3X (X = F and Cl)
構
スユニット

Yoshihiro Tsujimoto

National Institute forMaterials Science150

S = 1/2 正方格子量子磁性体ニッケル酸ハロゲン
辻本
化物 Sr2NiO3Cl の磁気構造

吉廣

物質材料研究機 先端材料プロセ Magnetic structure determination of S = 1/2 square lattice
antiferromagnet Sr2NiO3Cl
構
スユニット

Yoshihiro Tsujimoto

National Institute forMaterials Science151

マルチフェロイック物質 CeFe3(BO3)4 の磁気構
造

隆嗣

東京大学

物性研究所

Takatsugu Masuda

The University of
Tokyo

152

鉄欠損を制御した LuFe2O4 の磁気基底状態の研
池田
究

直

岡山大学

自然科学研究科 Magnetic correlations in Fe excess grown LuFe2+xO4

Naoshi Ikeda

Okayama University

木村

宏之

東北大学

多元物質科学研
IRT proposal for FONDER (Neutron 4-circle diffractometer)
究所

Hiroyuki Kimura

Tohoku University

小林

悟

岩手大学

工学部マテリア Mechanism of ferromagnetism in plastically deformed Pt3Fe
antiferromagnet
ル工学科

Satoru Kobayashi

Iwate University

益田

Magnetic structure of multiferroics CeFe3(BO3)$・申請装置 T2-2: FONDER
153 FONDER( 中性子 4 軸回折装置 )IRT 課題

131

154

塑性歪みを加えた Pt3Fe 反強磁性体における強磁性の発現機構

132
ISSP Activity Report 2016

No.

課題名

氏名

所属

155

スピン三重項超伝導体 Sr2RuO4 の一軸圧力下中性子散乱実験

山崎照夫

東京理科大学

理工学部

156

DyFe2Zn20 における磁気異方性増強を伴う逐次
磁気相転移

岩佐

和晃

東北大学

上床

美也

東京大学

Title
Neutron scattering of the triplet superconductor Sr2RuO4
under uniaxial pressures

Name

Organization

Teruo Yamazaki

Tokyo University of
Science

大学院理学研究 Successive magnetic phase transition with enhancement inmagnetic anisotropy of DyFe2Zn20
科

Kazuaki Iwasa

Tohoku University

物性研究所

Yoshiya Uwatoko

The University ofTokyo・申請装置 Accessory
157 アクセサリー IRT 課題

IRT project of Accessory

平成 28 年度 軌道放射物性研究施設 共同利用課題一覧 / Joint Research List of Syncrotron Radiation Researcher 2016
播磨分室 BL07LSU / Harima Branchi BL07LSU

ISSP Activity Report 2016

No.

課題名

氏名

1

オペランド軟 X 線分光の協奏・高度化が拓く触
媒科学

吉信

淳

東京大学

物性研究所

2

省エネ・創エネ・蓄電デバイスのオペランドナ
ノ分光

尾嶋

正治

東京大学

放射光連携研究 Operando nano-spectroscopy for energy efficient, power
generation and energy storage devices
機構

3

偏光スイッチングを利用した非自明な磁気構造とスピンダイナミクスの観測

和達

大樹

東京大学

物性研究所

4

高分解能 X 線発光分光による LaCoO3 薄膜のス
ピン状態の観測

山崎

裕一

東京大学

マテリアル工学 X-ray emission spectroscopy study of spin-state of LaCoO3 thin
Yuichi Yamazaki
films
科

5

グリーン ICT の実現に向けた超高品質グラフェン /SiC
系のキャリア・ダイナミクスの包括的な理解 (I) ナノ秒
スケールで起こるグラフェン -SiC 界面電子移動のキャリ 吹留
アダイナミクスの解明

博一

東北大学

ultrahigh quality graphene and SiC for realizing green ICT
電気通信研究所 between(I) Clarification of nanosecond carrier dynamics of interfacial electron Hirokazu Fukidome

Tohoku University6

有機－酸化物接合材料における光励起キャリア
挙動に及ぼす界面の影響

小澤健一

東京工業大学

理工学研究科物 Influence of Interfaces of Organic-Oxide Adhesive Materials on
Kenichi Ozawa
Photoexcited Carrier Behavior
質科学専攻

Tokyo Institute ofTechnology

7

時間分解共鳴軟 X 線回折による超伝導体 IrTe2の電荷と構造のダイナミクスの研究

田久保

東京大学

物性研究所

Dynamics of charge and lattice dynamics of IrTe2 probed bytime-resolved soft x-ray scattering

Kou Takubo

The University of
Tokyo

8

角度分解共鳴非弾性軟 X 線散乱システムの開発

宮脇

東京大学

物性研究所

Development of Angle-Resolved Resonant Inelastic Soft X-ray
Scattering System

Jun Miyawaki

The University ofTokyo

Investigating the Electronic Structure of the Nitrogenase
Enzyme by 2p3d RIXS

Van Kuiken
BenjaminMax Planck Institutefor Chemical Energy
Conversion

Masaru Tanaka

Kyushu University

耕

淳

所属

9
10

ナノ空間に閉じ込められた水の機能と電子状態 :田中
軟 X 線吸収 / 発光分光によるアプローチ

11

プルシアンブルー類似体 (CoxMn1-x)[Cr(CN)6]2/3・zH2O の湿度制御型磁化発現機構の解明

所

ホールドープ型銅酸化物超伝導体における電荷秩序に関連した電荷励起

New Frontier of Catalysis Science Opened by Synergy andDevelopment of Operando Soft X-ray Spectroscopies

Observation of nontrivial magnetic structures and spin
dynamics by using polarization switching

Name

Organization

Jun Yoshinobu

The University ofTokyo

Masaharu Oshima

The University ofTokyo

Hiroki Wadati

The University ofTokyo

Integrated understanding of carrier dynamics at the interface
transfer between graphene and SiC

賢

九州大学

先導物質化学研 Electronic states reveal the function of water encapsulated in
nano-spaces : soft X-ray absorption/emission study
究所

裕子

筑波大学

数理物質系物質 Study on the mechanism of humidity-induced magnetization of
Yuko Tokoro
Prussian blue analogues (CoxMn1-x)[Cr(CN)6]2/3・zH2O
科学研究科

12
13

Title

Understand Energy-level alignment in Donor-Acceptor binary
systems from Core level shifts

Xiaonan Sun

Charge excitations related to charge order in hole-doped
cuprate superconductors

Kenji Ishii

133

賢司

量子科学技術研究開発機構

14

オペランド軟 X 線吸収 / 発光分光によるリチウムイオン電池用電極材料の電子状態解析、および充放 朝倉
電反応に対する配位子軽元素の寄与の解明 その 3

大輔

Operando soft x-ray absorption/emission spectroscopy studies of
産業技術総合研 省エネルギー研
electrode materials for Li-ion batteries and investigation of the role of Daisuke Asakura
究所
究部門
ligand elements against the charge-discharge reaction III

15

ハーフメタル型電子状態を有する Mn2VAl ホイ
スラー合金単結晶の共鳴非弾性軟 X 線散乱の磁
場効果

理恵

東北大学

石井

梅津

Magnetic field dependence of resonant inelastic soft X-ray
金属材料研究所 scattering of Mn2VAl Heusler single crystal alloys with half
metal-type electronic state

Rie Umedu

Tohoku University

University of Tsukuba
University of Paris
diderot
National Institutes for
Quantum and Radiological
Science and Technology

National Institute ofAdvanced Industrial Scienceand Technology

Tohoku University

134

No.

課題名

氏名

所属

Title
Operando spectromicroscopy on interface electronic states ofName

Organization

ISSP Activity Report 201616

THz 帯動作を突破するグラフェン・トランジスタの界面
電子状態のオペランド顕微分光 (I) デュアル・ゲート型グ 吹留
ラフェン・トランジスタのアクセス領域の電子状態観察

博一

東北大学

17

THz 帯動作を突破するグラフェン・トランジスタの界面
電子状態のオペランド顕微分光 (I) デュアル・ゲート型グ 末光
ラフェン・トランジスタのアクセス領域の電子状態観察

眞希

東北大学

18

高分解能共鳴非弾性軟 X 線散乱による LaCoO3
薄膜での励起子絶縁体状態の探索

山崎

裕一

東京大学

マテリアル工学 Research for Excitonic Insulating State in LaCoO3 thin film via
Yuichi Yamazaki
Resonant Inelastic Soft X-ray Scattering
科

Tohoku University

19

層状酸化物系ナトリウムイオン電池正極材料の大気非曝露・高分解能軟 X 線発光分光

大久保

東京大学

High-energy-resolution soft x-ray emission spectroscopy studies
工学系研究科
Masashi Okubo
化学システム工 of layered-oxide-type cathode materials for Na-ion batteries
using a sample transfer system without air exposure
学専攻

The University of
Tokyo

20

ポリアニオン系リチウムイオン電池正極材料のオペランド軟 X 線吸収 / 発光分光朝倉大輔

産業技術総合研究所

21

時間分解 X 線吸収分光による EuNi2(Si1-xGex)2の光誘起価数転移の観測

平田

靖透

東京大学

22

11-type 鉄系超電導体の角度分解共鳴非弾性軟 X
宮脇
線散乱

淳

東京大学

23

SrTiO3 と La0.5Sr1.5MnO3 の相転移ダイナミク
スの時間分解二次元光電子回折による研究

寛

奈良先端科学技術大学院

將史graphene transistor that breaks through a THz operation: (I)
電気通信研究所 aObservationof electronic states in access regions of a dual-gate typegraphene transistor
Operando spectromicroscopy on interface electronic states ofa graphene transistor that breaks through a THz operation: (I)Observation of electronic states in access regions of a dual-gate typegraphene transistor

Hirokazu Fukidome

Tohoku University

Maki Suemitsu

Tohoku University

Operando soft x-ray absorption/emission spectroscopy studies
of polyanion-type cathode materials for Li-ion batteries

Daisuke Asakura

National Institute ofAdvanced Industrial
Science and Technology

物性研究所

Observation of photo-induced valence transition in
EuNi2(Si1-xGex)2 with time-resolved x-ray absorption
spectroscopy

Yasuhide Hirata

The University of
Tokyo

物性研究所

Angle-Resolved Resonant Inelastic Soft X-ray Scattering of 11type Fe-base superconductors

Jun Miyawaki

The University ofTokyo

Study on the Dynamics of Phase Transition in SrTiO3 andLa0.5Sr1.5MnO3 Using Time-resolved Two-dimensional X-Ray
Photoelectron Diffraction

Hiroshi Daimon

Nara Instituteof Science andTechnology

24

Guanidinium Ion Pairing and Complex Formation in Aqueous
Solution

Rubensson Jan-Erik

Uppsala University

25

Unraveling the synergic effect between Ni and Mn during
the water oxidation reaction of nickel and manganese-basedoxides by 2p3d RIXSAl Samarai Mustafa

Max Planck Institutefor Chemical Energy
Conversion

26

Charge transfer and surface carrier dynamics of C60adsorbed WSe2 studied by time-resolved X-ray photoelectron
spectroscopy

Chiang Tai

University of Illinois

大門

柏キャンパス E 棟 / Laser and Synchrotron Research Laboratory in Kashiwa
No.

課題名

氏名

所属

1

III-V 族半導体基板上に作成したビスマス１次元構造のスピン偏極電子状態

大坪

嘉之

大阪大学

Electronic structure and its spin polarization of one生命機能研究科 dimensional bismuth surface layers grown of III-V
semiconductor substrates

Yoshiyuki Ohtsubo

Osaka University2

バルク敏感高分解能スピン分解光電子分光を用いた酸化物ハーフメタル強磁性体の本質的電子
状態の観測

横谷

尚睦

岡山大学

Observation of intrinsic electronic states of half-metallic
大学院自然科学ferromagnet oxides studied by bulk-sensitive high-resolution
研究科
spin-resolved photoemission spectroscopy

Takayoshi Yokoya

Okayama University

3

軽ニクトゲンのスピン軌道相互作用

石田

行章

東京大学

物性研究所

Polarization-dependent ARPES on Bi(111)/Si

Yukiaki Ishida

The University of
Tokyo

4

カーボンナノチューブの電子状態

石田

行章

東京大学

物性研究所

Electronic structure study of carbon nanotubes

Yukiaki Ishida

The University of
Tokyo

Title

Name

Organization

No.

課題名

5

グラファイト上に成長させた Bi 薄膜の偏光依存
ARPES

石田

行章

東京大学

物性研究所

Polarization dependent ARPES of oriented Bi thin film grownon graphite

6

Ln(O,F)Bi(S,Se) 超伝導体における複雑な超伝導
ギャップ異方性とスピンの関連性の研究

大田

由一

東京大学

物性研究所

Study of spin contribution to the SC gap anisotropy on Ln(O,F)
Yoshikazu Ohta
Bi(S,Se) superconductor

The University of
Tokyo

7

銀の量子井戸状態の光電子分光

近藤

猛

東京大学

物性研究所

Controls of spin-orbit interband coupling in heavy atoms on
quantum well states

Takeshi Kondo

The University of
Tokyo

東京大学

物性研究所

Search for topological surface states in iron-based
superconductors

Peng Zhang

The University of
Tokyo

8

氏名

張

鵬

所属

Title

Name

Organization

Yukiaki Ishida

The University of
Tokyo

ISSP Activity Report 2016135

9

カイラル半導体テルル単体におけるスピン偏極
バンド構造

坂野

昌人

東京大学

物性研究所

Spin-polarized band structure in chiral semiconductor
tellurium

Masato Sakano

The University of
Tokyo

10

キラルな結晶構造を有するビスマス・パラジウ
ム化合物超伝導体のスピン偏極バンド構造

坂野

昌人

東京大学

物性研究所

Spin polarized band structure of bismuth-palladium compound
Masato Sakano
superconductor with chiral crystal structure

The University of
Tokyo

11

Pb/Ge(111) 表面のレーザースピン分解光電子分
矢治
光

光一郎

東京大学

物性研究所

Laser-SARPES measurement of spin-polarized surface states on
Koichiro Yaji
Pb/Ge(111)-β

The University of
Tokyo

12

Bi/Cu(111) のバンド構造の Bi の吸着量依存性

矢治

光一郎

東京大学

物性研究所

Modification of electronic band structure on Bi/Cu(111) byexcess Bi adsorption

Koichiro Yaji

The University of
Tokyo

13

貴金属 (111) 表面電子状態の高分解能スピン・角矢治
度分解光電子分光

光一郎

東京大学

物性研究所

High-resolution spin- and angle-resolved photoemission
spectroscopy of electronic structure on noble metal surface

Koichiro Yaji

The University of
Tokyo

14

近藤絶縁体 YbB12 のスピン分解光電子分光

矢治

光一郎

東京大学

物性研究所

Laser-SARPES measurements of Kondo insulator YbB12

Koichiro Yaji

The University of
Tokyo

15

薄膜スピン分裂状態のバンド間スピン軌道混成
の研究

黒田

健太

東京大学

物性研究所

Interband spin-orbital hybridization in spin-split states of thinfilms

Kenta Kuroda

The University of
Tokyo

16

擬一次元新型トポロジカルスピン分裂表面状態
の直接観測

黒田

健太

東京大学

物性研究所

Direct investigation of the spin-polarized Dirac surface state in
Kenta Kuroda
a quasi-one dimensional material beta-Bi4I4

The University of
Tokyo

17

強相関トポロジカル絶縁体候補セリウムモノプ
ニクタイドにおける表面状態のスピンテクスチ
ャーの決定

黒田

健太

東京大学

物性研究所

Investigations of topologically protected surface state in Ce
based monpnictides

Kenta Kuroda

The University of
Tokyo

18

ルテニウム酸化物 Sr2RuO4 の表面電子スピン偏
極

黒田

健太

東京大学

物性研究所

Spin-polarized surface electrons in Sr2RuO4

Kenta Kuroda

The University of
Tokyo

19

微傾斜グラフェンのスピン・角度分解光電子分
光

小森

文夫

東京大学

物性研究所

SARPES study of graphene on a SiC macrofacet

Fumio Komori

The University of
Tokyo

20

Ag(111) 表面電子状態の高分解能スピン・角度分
原沢
解光電子分光

あゆみ

東京大学

物性研究所

High-resolution spin- and angle-resolved photoemission
spectroscopy of electronic structure on Ag(111) surface

Ayumi Harasawa

The University of
Tokyo

21

テトラテトラコンタンを用いた Au(111) の表面
状態の制御

要

東京理科大学

大学院理工学研 Manipulation of Au(111) surface states by tetratetracontane
adsorption
究科

Kaname Kanai

Tokyo University of
Science金井136
ISSP Activity Report 2016

No.

課題名

22

スピン分解角度分解光電子分光による TaSi2 のスピン構造の研究

伊藤

孝寛

名古屋大学

23

超巨大磁気抵抗を示すトポロジカル物質のレー
ザースピン分解 ARPES

木村

昭夫

広島大学

24

氏名

均章

所属

Title

Name

Organization

シンクロトロン Spin-resolved angle-resolved photoemission study of spin
光研究センター texture of TaSi2

Takahiro Ito

Nagoya University

大学院理学研究 Spin resolved laser-ARPES of topological extreme magnetoresistance materials
科

Akio Kimura

Hiroshima University

Junzhang Ma

Chinese Academy of
Sciences

Spin structure of hour-glass topological insulator KHgSb

平成 28 年度 スーパーコンピュータ 共同利用課題一覧 / Joint Research List of Supercomputer System 2016
No.

課題名

氏名

所属

Title

Name

Organization

1. 第一原理計算 / First‒Principles Calculation of Materials Properties

ISSP Activity Report 2016

137

1

第一原理電子状態計算と統計力学的手法を組み合わせた不均一触媒反応解析

森川良忠

大阪大学 大学院工学研究科 精密
科学・応用物理学専攻

Analysis of heterogeneous catalysts by combining firstprinciples simulations and statistical mechanics

2

ハード及びソフトナノ物質の原子構造と電子物
性

押山

淳

東京大学工学系研究科

Atomic Structures and Electronic Properties of Hard- and SoftAtsushi Oshiyama
Nano Materials

The University of
Tokyo

3

ハード及びソフトなの物質の原子構造と電子物
性

押山

淳

東京大学工学系研究科

Atomic Structures and Electronic Properties of Hard- and SoftAtsushi Oshiyama
Nanomaterials

The University of
Tokyo

4

大規模第一原理 GW+Bethe-Salpeter 計算

野口良史

東京大学物性研究所

Large scale first-principles GW+Bethe-Salpeter calculations

Yoshifumi Noguchi

The University of
Tokyo

5

スピントロニクス材料および分子性磁性体の原子構造、磁気状態、電子状態の解析

小田竜樹

金沢大学理工研究域数物科学系

Analyses on atomic structure, magnetism, and electronic
structure in spintronics materials and molecular magnets

Tatsuki Oda

Kanazawa University

6

スピントロニクス材料および分子性磁性体の原子構造、磁気状態、電子状態の解析

小田竜樹

金沢大学理工研究域数物科学系

Analyses on atomic structure, magnetism, and electronic
structure in spintronics materials and molecular magnets

Tatsuki Oda

Kanazawa University

7

大規模時空シミュレーションのための第一原理
計算手法の開発と応用

常行

真司

東京大学大学院理学系研究科物理 Development and Application of First-Principles Methods for
Spatiotemporally Large-Scale Simulation of Materials
学専攻

Shinji Tsuneyuki

The University of
Tokyo

8

実空間差分法に基づく大規模第一原理電子状態・小野
輸送特性計算手法の開発とシミュレーション

倫也

筑波大学計算科学研究センター

Tomoya Ono

University of Tsukuba

9

反応座標自動探索法をとりいれたタンパク質折りたたみ過程の量子論的解析

重田育照

筑波大学大学院数理物質科学研究 First-principles analyses on protein folding processes using an
automatic detection of effective reaction coordinates
科

Yasuteru Shigeta

University of Tsukuba

10

実空間差分法に基づく大規模第一原理電子状態・小野
輸送特性計算手法の開発とシミュレーション

倫也

筑波大学計算科学研究センター

Tomoya Ono

University of Tsukuba

11タンパク質の構造変化の量子解析

重田育照

筑波大学大学院数理物質科学研究
First-principles analyses on structural changes of proteins
科

Yasuteru Shigeta

University of Tsukuba

12

機能性材料粒界の原子構造と選択的偏析の研究

幾原雄一

東京大学大学院工学系研究科総合 Study of Atomic Structures and Selective Segregation Behavior
Yuichi Ikuhara
at Grain Boundaries in Functional Materials
研究機構

13

進化的アルゴリズムを用いたトポロジカル物質の探索と設計山内

邦彦

大阪大学産業科学研究所

Search and design for topological materials based on
evolutionary algorithm

Kunihiko Yamauchi

14

ナノ構造の量子伝導の第一原理計算

小林伸彦

筑波大学 数理物質系
域First-principles study of quantum transport in nanostructures

Nobuhiko Kobayashi University of Tsukuba

15

電池・触媒の界面反応に関する第一原理サンプ
リング研究

館山

佳尚

物質・材料研究機構 国際ナノア DFT sampling studies on interfacial reactions in catalysts andbatteries
ーキテクトニクス研究拠点

物理工学

Development of first-principles electronic-structure andtransport calculation method based on real-space finitedifference approach

Development of first-principles electronic-structure andtransport calculation method based on real-space finitedifference approach

Yoshitada Morikawa

Yoshitaka Tateyama

Osaka University

The University ofTokyo
Osaka University

National Institute forMaterials Science

138
ISSP Activity Report 2016

No.

課題名

氏名

所属

16

酸化物系材料における水素および酸素の表面反応

ディニョ ウ
大阪大学大学院 工学研究科 応用ィルソン アジ
物理学専攻
ェリコ

17

第一原理電子状態計算による拡張アンサンブル
計算手法の開発とその応用

洗平

昌晃

名古屋大学未来材料・システム研 Development and Application of Extended Ensemble Method
Masaaki Araidai
Coupled With First-Principles Electronic Structure Calculations
究所

Nagoya University

18

ナノ構造のイオン輸送特性、電気特性および界面電子状態の理論解析

渡邉聡

東京大学大学院工学系研究科マテ Theoretical Analyses on Ionic Transport Properties, Electrical
Properties and Interfacial Electronic States of Nanostructures
リアル工学専攻

Satoshi Watanabe

The University of
Tokyo

19

非平衡輸送現象の大規模計算シミュレーション

浅井美博

産業技術総合研究所

Yoshihiro Asai

National Institute ofAdvanced Industrial
Science and Technology

20

第一原理計算およびバイオインフォマティック
ス手法を用いた合理的創薬手法の開発およびそ
の応用

常盤

広明

立教大学理学部化学科未来分子研 Development & Application of Rational Drug Design Method
using First-Principles Calculations & Bioinfomatics
究センター

Hiroaki Tokiwa

Rikkyo University

21

電池・触媒の界面反応に関する第一原理サンプ
リング研究

館山

佳尚

物質・材料研究機構 国際ナノア DFT sampling studies on interfacial reactions in catalysts andbatteries
ーキテクトニクス研究拠点

Yoshitaka Tateyama

National Institute forMaterials Science

22

第一原理メタダイナミックス計算による CARE
加工プロセスの解明 -Pt と材料表面の間で生じる 稲垣
水分子分解反応 -耕司

大阪大学大学院工学研究科

Kouji Inagaki

Osaka University

23

有機半導体結晶の電子構造に関する理論的研究

柳澤将

琉球大学理学部物質地球科学科物 Theoretical investigation on electronic structure of organic
semiconductor solids
理系

Susumu Yanagisawa

University of the
Ryukyus24

ナノ構造のイオン輸送特性、電気特性および界面電子状態の理論解析

渡邉聡

東京大学大学院工学系研究科マテ Theoretical Analyses on Ionic Transport Properties, Electrical
Properties and Interfacial Electronic States of Nanostructures
リアル工学専攻

Satoshi Watanabe

The University of
Tokyo

25

ナノ構造の量子伝導の第一原理計算

小林伸彦

筑波大学 数理物質系
域First-principles study of quantum transport in nanostructures

Nobuhiko Kobayashi University of Tsukuba

26

酸化物系酸塩基触媒水和表面のプロトン活性に
関する研究

山口

周

東京大学大学院工学系研究科

Research about Protonic Activity on the hydrated surface ofacid-base oxide catalysts

Shu Yamaguchi

The University of
Tokyo

27

第一原理計算による豊富元素を利用した触媒設
計

武次

徹也

北海道大学大学院理学研究院化学 Ab initio study for designer catalysis based on abundantelements
部門

Tetsuya Taketsugu

Hokkaido University

28

硫化水素系超伝導体における電子フォノン結合
の精密評価

明石

遼介

東京大学大学院理学系研究科物理 Accurate evaluation of electron-phonon coupling in sulfurhydride superconductors
学専攻

Ryosuke Akashi

The University of
Tokyo

29

第一原理及び古典分子動力学計算による固体と接する液体の構造とダイナミクスの解析福井賢一

大阪大学大学院基礎工学研究科

Ken-ichi Fukui

Osaka University

30

第一原理量子論による次世代新原理メモリの設
計指針の獲得

白石

賢二

名古屋大学
研究所

未来材料・システム First Principles Studies toward Guiding Principles of Future
New-Types of Memories

Kenji Shiraishi

Nagoya University

31

グラフェン・水界面の第一原理分子動力学シミュレーション

大戸

達彦

大阪大学大学院基礎工学研究科

Ab initio molecular dynamics simulation of graphene/waterinterfaces

Tatsuhiko Ohto

Osaka University

32

フォノン物性における非調和効果の第一原理計
算

只野

央将

東京大学大学院工学系研究科

First-principles calculation of anharmonic effects of phonons
and related properties in solids

Terumasa Tadano

The University of
Tokyo

Title
Surface reactions of hydrogen and oxygen on oxide materials

Large scale computational simulations of non-equilibriumtransport phenomena

物理工学

First-principles meta-dynamics analysis of Catalyst Referred
Etching method (dissociative adsorption reaction barrier atinterface between Pt and material surface)

Microscopic Structure and Dynamics of Solutions Faced to
Solid Materials Using First-Principles and Classical Molecular
Dynamics

Name

Organization

Wilson Agerico Dino Osaka University

No.

課題名

氏名

33

金属酸化物の性質を特徴付ける構造単位の探索

赤木

和人

34

固体中ミュオン及び陽電子の第一原理計算

斎藤

35

非自明な電子構造の第一原理研究

36

所属

Title

Name

Organization

東北大学材料科学高等研究所

Exploration of structure motifs characterizing the metal oxides Kazuto Akagi

Tohoku University

峯雄

金沢大学理工研究域数物科学系

First Principles Calculations of Muon and Positron in Solids

Mineo Saito

Kanazawa University

小鷹浩毅

京都大学 ESICBFirst-principles study of nontrivial electronic structure

Hiroki Kotaka

Kyoto University

高圧力下における共有結合性液体・ガラスの構
造と電子状態の第一原理計算

下條冬樹

熊本大学大学院自然科学研究科

First-Principles Molecular-Dynamics Study of Structural andElectronic Properties of Covalent Liquids and Glass under
Pressure

Fuyuki Shimojo

Kumamoto University37

太陽光エネルギー変換における基礎過程の研究と材料設計指針獲得のための大規模第一原理計
算

山下

晃一

東京大学大学院工学系研究科

Large scale ab initio calculations on the fundamental processesof solar energy convergence devices and on designing
Koichi Yamashita
principles for new materials

38

磁性体の第一原理計算

獅子堂

39

固体中ミュオン及び陽電子の第一原理計算

斎藤

40

ナノ構造の励起電子動力学と表面陽電子状態の第一原理計算41

The University of
Tokyo

ISSP Activity Report 2016139

広島大学大学院先端物質科学研究
First-principles study of magnetic materials
科

Tatsuya Shishidou

ADSM, Hiroshima
University

峯雄

金沢大学理工研究域数物科学系

First Principles Calculations of Muon and Positron in Solids

Mineo Saito

Kanazawa University

渡辺一之

東京理科大学理学部

First-Principles Study of Excited Electron Dynamics ofNanostructures and Positron States at Surfaces

Kazuyuki Watanabe

Tokyo University of
Science

界面欠陥構造が誘電応答に及ぼす影響の第一原
理的研究

笠松

秀輔

東京大学物性研究所

First-principles analysis of the dielectric response of defective
interfaces

Shusuke Kasamatsu

The University of
Tokyo

42

半導体中の軽原子不純物がつくる分子性リドベ
ルグ状態の理論：トンネル電流と強発光特性

中山隆史

千葉大学理学部物理学科

Theory of molecular Rydberg states by light-mass impurities
in semiconductors: tunneling current and strong luminescence Takashi Nakayama
properties

Chiba University

43

燃料電池電極触媒及び酸素吸蔵材料の省貴金化

國貞雄治

北海道大学大学院工学研究院 附
Reduction of Rare Metals in Fuel Cel Catalysts and Oxygen
属エネルギー・マテリアル融合領
Sorption Materials
域研究センター

44

金属酸化物の性質を特徴付ける構造単位の探索

赤木和人

東北大学材料科学高等研究所

45

超並列電子状態計算とデータ科学の融合による大規模デバイス材料研究

星46

ナノ構造の励起電子動力学と表面陽電子状態の第一原理計算渡辺一之

東京理科大学理学部

47

ベリー曲率ランドス ケープに基づく熱電物質の第一 原理デザイン

石井史之

金沢大学理工研究域数物科学系

48

マテリアルズ・インフォマティクスに基づいた
磁石・スピントロニクス物質の探索山下智樹

国立研究開発法人物質・材料研究 Search for magnet and spintronics materials based onmaterials informatics
機構

49

第一原理計算による Pd(100) 超薄膜に生じた自発歪みと強磁性に関する研究佐藤徹哉

慶應義塾大学理工学部達也

健夫

Yuji Kunisada

Exploration of structure motifs characterizing the metal oxides Kazuto Akagi

鳥取大学大学院工学研究科機械宇 Large-scale device-material research by massively parallel
electronic structure calculation and data science
宙工学専攻応用数理工学講座

Hokkaido University
Tohoku University

Takeo Hoshi

Tottori University

First-Principles Study of Excited Electron Dynamics ofNanostructures and Positron States at Surfaces

Kazuyuki Watanabe

Tokyo University of
ScienceFirst-principles design of thermoelectric materials based on
Berry curvature landscapeFumiyuki Ishii

Kanazawa University

Tomoki Yamashita

National Institute forMaterials Science(NIMS)

Study of spontaneous distortion and ferromagnetism in Pd(100)Tetsuya Sato
ultrathin films by first-principles calculation

Keio University

140
ISSP Activity Report 2016

No.

課題名

氏名

所属

Title

Name

Organization

50

Li イオン 2 次電池材料における機械特性の第一
原理計算

桑原

彰秀

ファインセラミックスセンターFirst-principles calculations of mechanical properties of Li-ion
battery materials

Akihide Kuwabara

Japan Fine Ceramics
Center51

新規ナトリウムイオン電池電極材料の第一原理
計算

山田

淳夫

東京大学工学系研究科

Theoretical study on electrode materials for sodium ion
batteries

Atsuo Yamada

The University of
Tokyo

52

電子・スピンデバイス材料の第一原理計算籾田浩義

大阪大学産業科学研究所

First-principles calculations of electron and spin devicematerials

Hiroyoshi Momida

Osaka University

53

第一原理計算による二酸化チタンの構造解析

吉澤

香奈子

高度情報科学技術研究機構

Structural analysis of titanium dioxide by first-principles
calculation

Kanako Yoshizawa

Research Organization
for Information
Science & Technology

54

第一原理計算を用いた Nd-Fe-B 磁石副相の構造
同定

立津

慶幸

東京工業大学

Identification of sub phase structures in Nd-Fe-B magnets by
first-principles calculations

Yasutomi Tatetsu

Tokyo Institute ofTechnology

55

ルチル型 TiO2(110) 還元表面での O2 分子吸着反泰岡応における格子間チタンの役割解明

顕治

慶應義塾大学理工学部機械工学科

The role of Ti interstitial in adsorption of O2 on reduced rutile
Kenji Yasuoka
TiO2 (110) surface

Keio University

56

大規模 GW 計算コードの開発と応用

濱田

幾太郎

物質・材料研究機構

Development and application of the large-scale GW calculation
Ikutaro Hamada
code

National Institute forMaterials Science57

異常熱電効果の第一原理的研究

石井史之

金沢大学理工研究域数物科学系

First-principles study of anomalous thermoelectric effectFumiyuki Ishii

Kanazawa University

58

第一原理分子動力学法に基づくガラスの静的構
造に関する研究高良明英

熊本大学学生支援部

Ab initio molecular dynamics study of static structure ofglassesAkihide Koura

Student Affairs Office,Kumamoto University

59

固体表面、微粒子の新規電子物性の探索と実現

稲岡毅

琉球大学理学部

Search and realization of novel electronic properties of solid
surfaces and small particles

Takeshi Inaoka

University of the
Ryukyus60

第一原理分子動力学シミュレーションによる原
始地球における生体有機分子発生機構の解明

島村孝平

神戸大学大学院システム情報学研 Generation Mechanism of Organic/Biological Molecules on
Early Earth: Ab Initio Molecular Dynamics Simulation
究科

Kohei Shimamura

Kobe University

61

超高圧環境下における液体金属の新奇構造：第一原理分子動力学計算

大村訓史

広島工業大学62

ハイブリッド ab initio QM/MM 計算による生体舘野
高分子の解析

賢

兵庫県立大学大学院
究科

63

新しい IV 族半導体混晶に関する第一原理計算

黒澤

昌志

64

ルチル型 TiO2(110) 上での酸素分子吸着における余剰電子の役割解明

泰岡65

第一原理計算によるリアルモデル触媒の活性点の探索

66

第一原理計算によるグラフェン担持 Pt クラスターに対する格子欠陥の影響

Novel Structures of Liquid Metal under Ultrahigh Pressures: ab
Satoshi Ohmura
initio Molecular-Dynamics Simulations

Hiroshima Institute ofTechnology

Hybrid ab initio QM/MM calculations of biological systems

Masaru Tateno

University of Hyogo

名古屋大学 未来材料・システム研究所

First-Principles Study on New Group-IV Semiconductor Alloys

Masashi Kurosawa

Nagoya University

顕治

慶應義塾大学理工学部機械工学科

The role of excess electrons in adsorption of O2 on rutile TiO2
Kenji Yasuoka(110) surface

Keio University

水上渉

九州大学総合理工学研究院

Exploring active sites of "Real" model catalysis via firstprinciple calculations

Wataru Mizukami

Kyushu University

濱本雄治

大阪大学 大学院工学研究科 精密
科学・応用物理学専攻

First principles study of the influence of lattice defects on Pt
cluster supported on graphene

Yuji Hamamoto

Osaka University

工学部
生命理学研

No.

課題名

氏名

所属

Title

Name

Organization

ISSP Activity Report 2016

141

67

３次元電場内の液晶分子の配向鈴木雄二

東京大学大学院工学系研究科機械
Orientation of Liquid Crystal Molecules in 3D Electrical Field
工学専攻

Yuji Suzuki

The University of
Tokyo

68

磁気双極子モーメント相互作用に基づく磁化過
程

小畑

修二

東京電機大学理工学部

Shuji Obata

Tokyo Denki
University69

磁性金属超薄膜・有機金属錯体の電子構造と磁性、電界効果に関する第一原理計算

中村浩次

First principles calculations of electronic structures,
三重大学大学院工学研究科物理工magnetism, and electric field effects in metal thin films and学専攻
organometallic complexes

Kohji Nakamura

Mie University

70

超短パルスレーザーに誘起されるスピン・電荷
ダイナミクスの第一原理計算

篠原康

東京大学工学系研究科附属光量子 First-principles calculation for spin-charge dynamics induced
by ultrashort laser pulse
科学研究センター

Yasushi Shinohara

The University of
Tokyo

71

有機半導体の第一原理分子動力学

西館

数芽

岩手大学工学部

Molecular Dynamics Simulation of Organic Semiconductors

Kazume Nishidate

IWATE University

72

第一原理多体摂動計算に基づくパラマグノン揺
らぎ評価コードの開発

中村

和磨

九州工業大学

Ab initio many-body perturbation calculations for paramagnon
Kazuma Nakamura
excitation

Kyushu Institute ofTechnology

73

シリサイド系半導体における熱電輸送物性の不純物添加効果平山尚美

東京理科大学

Effects of Impurity Doping on Thermoelectric Transport
Properties of Semiconducting Silicides

Tokyo University of
Science74

光整流効果による THz 波生成の第一原理シミュ
レーション

篠原

康

東京大学工学系研究科附属光量子 First-principles simulation for THz generation based on optical
Yasushi Shinohara
rectification
科学研究センター

The University of
Tokyo

75

原子膜積層系におけるモアレの第一原理計算そ
の２

内田

和之

京都産業大学科

Kazuyuki Uchidayoto Sangyo
University

76

燃料電池電極触媒及び酸素吸蔵材料の省貴金化

國貞雄治

北海道大学大学院工学研究院 附
Reduction of Rare Metals in Fuel Cell Catalysts and Oxygen
属エネルギー・マテリアル融合領
Sorption Materials
域研究センター

Yuji Kunisada

Hokkaido University

77

第一原理計算を用いた超伝導パラメータ評価

中村和磨

九州工業大学

ab initio calculation for superconducting parameters

Kazuma Nakamura

Kyushu Institute ofTechnology

78

ペロブスカイト型鉛ハライド混晶の電子構造に
関する研究

牧野

哲征

福井大学大学院工学研究科

Study on electronic structures in perovskite-type lead-halide
mixed crystals

Takayuki Makino

University of Fukui79

時間に依存した電子輸送計算に向けた第一原理
シミュレーターの開発と応用

江上喜幸

北海道大学大学院工学研究院

Development and application of first-principles simulator fortime-dependent electron-transport calculation

Yoshiyuki Egami

Hokkaido University

80

下部マントル鉱物の格子熱伝導率に対する鉄固溶効果の第一原理計算

出倉春彦

愛媛大学地球深部ダイナミクス研 First-principles calculations of iron solid solution effects on the
Haruhiko Dekura
lattice thermal conductivity of lower mantle minerals
究センター

81

水素結合型有機伝導体における H/D 同位体効果の理論的研究立川仁典

Yokohama City
横浜市立大学大学院生命ナノシス Theoretical analysis of H/D isotope effect in hydrogen-bonded
Masanori Tachikawa
organic conductor
University
テム科学研究科82

第一原理計算を用いた希薄窒化物半導体 InSbNのバンド構造に関する研究

藤川

紗千恵

東京理科大学基礎工学部

Study of band structure for InSbN based dilute nitride
semiconductor by using first-principle simulation

Sachie Fujikawa

Tokyo University of
Science83

半導体格子欠陥の第一原理計算

山内淳

慶應義塾大学理工学部

First-principles study on the defects in semiconductors

Jun Yamauchi

Keio University

理学部

Magnetization Processes Based on Magnetic Dipole Moments

物理科学First-Principles Study of Moire Patterns in Atomic Layers II

Naomi Hirayama

Ehime University

142
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No.

課題名

氏名

84

定電位電極表面における電解質の拡散過程の第一原理シミュレーション

胡85

時間に依存した電子輸送計算に向けた第一原理
シミュレーターの開発と応用

江上喜幸

北海道大学大学院工学研究院

86

表面ナノ構造における重元素効果

合田義弘

東京工業大学物質理工学院材料系 Effects of heavy elements in surface nanostructures

87

第一原理バンド計算を用いた強相関電子系の有効模型導出方法の研究榊原寛史

鳥取大学大学院工学研究科

A study about the methods for the derivation of effectivemodel in strongly correlated electron system based on the first- Hirofumi Sakakibara Tottori University
principles calculation

88

二次元半導体の多原子空孔とクラスターの構造・
影島形成・物性の解明

博之

島根大学大学院総合理工学研究科

Study on structure, formation, and physical properties ofmultiatomic vacancies and clusters of 2D semiconductors

Hiroyuki Kageshima

Shimane University

89

シリコンクラスター超格子の不純物状態に対する第一原理計算織田望

産業技術総合研究所

Ab initio calculations of impurity states in the silicon cluster
superlattice

Nozomi Orita

National Institute ofAdvanced Industrial
Science and Technology

90

原子膜物質の原子構造と電子物性の解明

藤本義隆

東京工業大学大学院理工学研究科 Atomic structures and electronic properties of atomic-layeredmaterials
物性物理学専攻

Yoshitaka Fujimoto

Tokyo Institute ofTechnology

91

照射損傷と格子間原子との相互作用の研究

大澤一人

九州大学応用力学研究所

Kazuhito Ohsawa

Kyushu University

92

原子膜物質の原子構造と電子物性の解明

藤本義隆

東京工業大学大学院理工学研究科 Atomic structures and electronic properties of atomic-layeredmaterials
物性物理学専攻

Yoshitaka Fujimoto

Tokyo Institute ofTechnology

93

MXene 化合物 Ti2CTx の電気二重層容量に関する第一原理計算安藤康伸

産業技術総合研究所

Yasunobu Ando

National Institute forAdvanced Science andTechnology

94

Si 表面上の原子吸着系のモデル計算

服部賢

奈良先端科学技術大学院大学物質
Model calculations in Si surfaces with adsorbates
創成科学研究科

Ken Hattori

Nara Instituteof Science andTechnology

95

新たなナノスケール界面の電子物性の探索小林功佳

お茶の水女子大学理学部物理学科 Search for electronic properties of new nanoscale interfaces

Katsuyoshi
Kobayashi

Ochanomizu
University

96

電子デバイスのための自己組織化ナノインター
フェイスの理論

レービガー
ハンネス

横浜国立大学 大学院工学研究院
Theory of self-organized nano-interfaces for electronic devices Hannes Raebiger
物理工学コース

97

酸化物薄膜・界面の第一原理計算石井史之

金沢大学理工研究域数物科学系

98

Si 表面上の原子吸着系のモデル計算

服部

賢

99

第一原理計算によるエネルギー応用に向けた触媒設計

佐藤

100 ２次元ハニカムシートのエッジ構造と電子状態

高木

春平

所属

Title

京都大学 学際融合教育研究推進
First-principles simulation of electrolyte diffusion process on
センター（常駐先：産業技術総合
constant-potential electrodes
研究所）
Development and application of first-principles simulator fortime-dependent electron-transport calculation

Study of interaction between radiation damage and interstitial
atom

First-Principles study on the electric-double layer capacitanceof MXene compound Ti2CTx

First-principles calculations of oxide thin-films andheterostructures

Name

Organization

Chunping Hu

Kyoto University

Yoshiyuki Egami

Hokkaido University

Yoshihiro Gohda

Tokyo Institute ofTechnology

Yokohama National
University

Fumiyuki Ishii

Kanazawa University

奈良先端科学技術大学院大学物質
Model calculations in Si surfaces with adsorbates
創成科学研究科

Ken Hattori

Nara Instituteof Science andTechnology

幸生

九州大学大学院工学研究院材料工 Computational Catalyst Design for Energy Applications
through ab initio Mechanistic Investigation
学部門

Yukio Sato

Kyushu University

紀明

東京大学新領域創成科学研究科物 Geometric and electronic structures at edge of 2-dimensional
honeycomb sheets
質系専攻

Noriaki Takagi

The University of
Tokyo

No.

課題名

氏名

所属

Title

101

同位体超格子や結晶多形超格子を用いたバンド・
豊田
ギャップの制御雅之

東京工業大学理学院物理学系

102

Ru 担持型アンモニア新触媒設計のための N2 お神原
よび H2 の解離現象の理論的評価

陽一

慶應義塾大学理工学部物理情報工 Theoretical research on dissociation of N2 and H2 fordesigning new ammonia catalysis supporting Ru
学科

103

アモルファス酸化鉄二次電池の構造と荷電状態に関する第一原理計算

鶴田健二

岡山大学大学院自然科学研究科

104

CuAu-I 型結晶構造を持つ Mn-Pt 合金の磁気構造
内田
の理論

尚志

105

第一原理計算を用いた希薄窒化物半導体 InSbNのバンド構造に関する研究

藤川
赤井

106 軽希土類永久磁石材料の電子状態
107

第１原理運動量依存変分理論の構築と鉄化合物の運動量分布関数・準粒子バンドへの応用

梯

Organization

Masayuki Toyoda

Tokyo Institute ofTechnology

Yoichi Kamihara

Keio University

Ab-initio Analysis on Structures and Charge States ofAmorphous Iron Oxide for Secondary Battery

Kenji Tsuruta

Okayama University

北海道科学大学

Theory of the magnetic structure of Mn-Pt alloys with CuAu-I
type crystal structure

Takashi Uchida

Hokkaido Universityof Science

紗千恵

東京理科大学基礎工学部

Study of band structure for InSbN based dilute nitride
semiconductor by using first-principle simulation

Sachie Fujikawa

Department of Applied
electronics

久純

東京大学物性研究所

Electronic structure of light rare earth permanent magnets

Hisazumi Akai

The University ofTokyo

琉球大学理学部物理系

First-Principles Momentum Dependent Local Ansatz andApplication to Momentum Distribution and Quasiparticle
Bands in Fe Compounds

Yoshiro Kakehashi

University of Ryukyus

祥郎Band-gap engineering by forming isotope superlattice andpolytypic superlattice

Name

ISSP Activity Report 2016108 固体表面における磁性分子の吸着状態高木紀明

東京大学新領域創成科学研究科物Adsorbed states of magnetic molecules at solid surfaces
質系専攻

Noriaki Takagi

The University ofTokyo

109 超精密ダイヤモンド工具の損耗機構

宇田豊

大阪電気通信大学工学部機械工学
Wear mechanism of diamond tool科

Yutaka Uda

Osaka ElectroCommunication
University

110 系希土類永久磁石材料の電子状態

赤井久純

東京大学物性研究所

Electronic structure of light rare earth permanent magnets

Hisazumi Akai

The University ofTokyo

111 層状人工格子界面の電子状態と近接効果平井國友

奈良県立医科大学医学部物理学

Electronic State and Proximity Effects around Interface inLayered Superlattices

Kunitomo Hirai

Nara Medical
University

112

BaZrO3 系プロトン伝導体における局所構造の解山口明

周東京大学大学院工学系研究科

Local structure of BaZrO3-based proton-conducting oxides

Shu Yamaguchi

The University of
Tokyo

113

第一原理計算による Dirac 半金属超伝導体の電子状態の解析

田仲

由喜夫

名古屋大学大学院工学研究科

Analysis of the electronic properties of superconducting Diracsemimetals with first principle calculations

Yukio Tanaka

Nagoya University

114

触媒設計のための第一原理計算による金属酸化物の電子状態計算

佐々木岳彦

東京大学大学院新領域創成科学研 First principles calculations of electronic states of metal oxides
Takehiko Sasaki
for design of catalysts
究科

The University ofTokyo

Masaki Hiratsuka

Kogakuin University

Yutaka Uda

Osaka ElectroCommunication
University

143

115 セミクラスレートハイドレートの第一原理計算

平塚

将起

工学院大学機械工学科

116 超精密ダイヤモンド工具の損耗機構

宇田豊

大阪電気通信大学工学部機械工学
Wear mechanism of diamond tool
科

内田

尚志

北海道科学大学

117

Mn-Pt 合金の複雑磁気構造の第一原理分子スピ
ン動力学理論First-principle calculation of the semiclathrate hydrates

First-principles molecular spin dynamics theory of the complex
Takashi Uchidamagnetic structures in Mn-Pt alloys

Hokkaido Universityof Science

144

No.

課題名

氏名

所属

Title

Name

Organization

2. 強相関 / Strongly Correlated Quantum Systems

ISSP Activity Report 2016

銅酸化物高温超伝導体界面における超伝導転移
温度向上の起源解明のための数値的研究

今田正俊

東京大学工学系研究科物理工学専 Numerical Studies on Mechanisms for Critical Temperature
Control at Interfaces of Superconductors
攻Masatoshi Imada

The University ofTokyo

有限温度変分モンテカルロ法の開発とドープし119 た２次元ハバード模型・銅酸化物第一原理模型の有限温度物性と超伝導機構検証

今田正俊

Numerical Studies on Finite-Temperature Properties of
東京大学工学系研究科物理工学専
2D Hubbard and ab initio Models for Cuprates by Finite攻Temperature Variational Monte Carlo Methods

Masatoshi Imada

The University of
Tokyo

120

熱的純粋量子状態を用いた量子スピン液体の有限温度の性質の研究

三澤貴宏

東京大学物性研究所

Thermal pure quantum state study on finite-temperature
properties of quantum spin liquids

Takahiro Misawa

The University of
Tokyo

121

強相関トポロジカル物質における励起スペクト
ルの数値的研究山地洋平

東京大学大学院工学系研究科物理 Numerical Studies on Excitation Spectra of Strongly Correlated
Youhei Yamaji
Topological Materials
工学専攻

122

強相関電子系におけるスピン軌道物性の大規模
数値シミュレーション

求

幸年

東京大学大学院工学系研究科

Large-scale simulation for spin-orbital physics in stronglycorrelated electron systems

Yukitoshi Motome

The University of
Tokyo

123

強相関スピン軌道結合系における新規量子現象の理論的研究求幸年

東京大学大学院工学系研究科

Theoretical study of novel quantum phenomena in stronglycorrelated spin-orbit coupled systems

Yukitoshi Motome

The University of
Tokyo

124

遍歴電子磁性体におけるトポロジカル数の異なるスキルミオンの創成と制御

求

幸年

東京大学大学院工学系研究科

Creation and control of skyrmions with different topologicalnumbers in itinerant magnets

Yukitoshi Motome

The University of
Tokyo

125

スピン軌道相互作用の強い強相関系におけるス
キルミオン相と非平衡現象

川上則雄

京都大学大学院理学研究科物理学 Skyrmion phases and nonequilibrium phenomena in strongly
correlated electron systems with strong spin-orbit interaction
宇宙物理学専攻

Norio Kawakami

Kyoto University

吉田恒也

京都大学理学研究科

Study of topological phases in strongly correlated systems

Tsuneya Yoshida

RIKEN

相関する電子およびスピン系のモンテカルロ法を駆使した数値解析

星野晋太郎

理化学研究所

Monte Carlo approach to correlated electron and spin systems Shintaro Hoshino

RIKEN

128 トポロジカル相の表面状態における強相関効果

吉田恒也

京都大学理学研究科

Correlation effects on surface states of topological phases

Tsuneya Yoshida

RIKEN

129

銅酸化物高温超伝導体における電子格子相互作
用による超伝導増強機構の数値的検証

大越孝洋

東京大学大学院工学系研究科物理 Numerical study on the mechanism of enhanced
superconductivity by phonons in cuprates
工学専攻

Takahiro Ohgoe

The University of
Tokyo

130

軌道縮退を有する相関電子系に対する動的平均
場理論

古賀

昌久

東京工業大学Akihisa Koga

Tokyo Institute ofTechnology131

スピン軌道相互作用の強い強相関系におけるトポロジカル相と非平衡現象

川上則雄

京都大学大学院理学研究科物理学 Topological phases and nonequilibrium phenomena in strongly
Norio Kawakami
correlated electron systems with strong spin-orbit interaction
宇宙物理学専攻132

第一原理計算とモデル多体理論の融合による遷移金属酸化物の電子相関と超伝導に関する研究

黒木

和彦

大阪大学

Study on transition metal oxides by combined first-principles
and many-body methods

Kazuhiko Kuroki

Osaka University

133

準周期構造をもつ強相関電子系に対する動的平
均場理論

古賀

昌久

東京工業大学Dynamical mean-field theory for strongly correlated electron
systems with quasiperiodicity

Akihisa Koga

Tokyo Institute ofTechnology

118

126 強相関系のトポロジカル相の解析
127

Dynamical mean-field theory for correlated electron systemwith orbital degeneracy

The University ofTokyo

Kyoto University

No.

課題名

氏名

134

銅酸化物高温超伝導体における電子格子相互作用の役割についての第一原理的研究

大越孝洋

東京大学大学院工学系研究科物理 Ab-initio study on the role of the electron-phonon interactions
Takahiro Ohgoe
in high-temperature curate superconductors
工学専攻

The University of
Tokyo

135

パイエルス・アンダーソンモデルにおける近藤
効果の研究

堀田

貴嗣

首都大学東京理工学研究科物理学
Research on Kondo effect in the Peierls-Anderson model
専攻

Takashi Hotta

Tokyo Metropolitan
University

136

強相関電子系における超伝導及び磁性状態の研
究

山田

篤志

千葉大学理学研究科

Superconductivity and magnetic properties in the strongly
correlated electron systems

Atsushi Yamada

Chiba University

137 基板吸着 4He の量子モンテカルロ計算

本山裕一

東京大学物性研究所

Monte Carlo simulation of 4He adsorbed on substrates

Yuichi Motoyama

The University ofTokyo

138 5d 遷移金属酸化物の強相関第一原理計算

品岡寛

埼玉大学理学部物理学科

First-principles study on strong electron correlations in 5dtransition metal oxides

Hiroshi Shinaoka

Saitama University

浩一

大阪大学大学院基礎工学研究科

Topological symmetry in two-body scattering in strongly
correlated electron systems

Koichi Kusakabe

Osaka University

東京大学情報基盤センター

Parallelization and GPGPU utilization of MPS program and its
application to frustrated systems

Ryo Igarashi

The University of
Tokyo

139

低エネルギー２体散乱過程の幾何学的対称性が発する強相関電子物性

草部

140

MPS 法の並列化および GPGPU 対応とそのフラストレーション系への応用

五十嵐141 横磁場イジング近藤格子模型の数値解析

亮

所属

Title

Name

Organization

服部一匡

首都大学東京Numerical analysis on a transverse-field Ising-Kondo lattice
model

Kazumasa HattoriTokyo Metropolitan
University

ISSP Activity Report 2016142

空間反転対称性を有するフラストレート磁性体
におけるスキルミオンの研究

速水賢

北海道大学理学部物理学科

Study of skyrmion in frustrated magnets with inversion
symmetry

Satoru Hayami

Department of Physics,
Hokkaido University143

量子モンテカルロ法および第一原理計算による
強相関電子系の研究柳沢孝

産業技術総合研究所

Quantum Monte Carlo and first principles study of strongly
correlated electron systems

Takashi Yanagisawa

National Institute ofAdvanced Industrial
Science andTechnology

144

量子モンテカルロ法および第一原理計算による
強相関電子系の研究柳沢孝

産業技術総合研究所

Quantum Monte Carlo and first principles study of strongly
correlated electron systems

Takashi Yanagisawa

National Institute ofAdvanced Industrial
Science andTechnology

145

動的平均場理論による強相関 Ce 化合物の電子構
大槻
造計算

純也

東北大学大学院理学研究科

Electronic structure calculations of strongly correlated Cecompounds using the dynamical mean-field theory

Junya Otsuki

Tohoku University

146

多軌道相関金属の内因性スピンホール効果における相互作用効果や多バンド効果の研究

荒川直也

理化学研究所創発物性科学研究セ Study of interaction and multiband effects in intrinsic spin-Hall
Naoya Arakawa
effect of an interacting multiorbital metal
ンター

147

κ 型分子性導体におけるダイマー内電荷自由度と磁性・超伝導渡部洋

早稲田大学高等研究所

RIKEN

Intradimer charge degrees of freedom, magnetism, andsuperconductivity in kappa-type molecular conductor

Hiroshi Watanabe

Waseda Institute forAdvanced Study

3. 巨視系の協同現象 / Cooperative Phenomena in Complex, Macroscopic Systems

145

148

テンソルネットワーク法によるフラストレート
量子スピン系の研究川島直輝

東京大学物性研究所

Tensor Network Study on Frustrated Quantum Spin Systems

Naoki Kawashima

The University of
Tokyo

149

テンソルネットワーク法によるフラストレート
量子スピン系の研究川島直輝

東京大学物性研究所

Tensor Network Study on Frustrated Quantum Spin Systems

Naoki Kawashima

The University of
Tokyo

146
ISSP Activity Report 2016

No.

課題名

氏名

所属

150

高分子溶融体のマルチスケールシミュレーショ
ン

村島

隆浩

東北大学大学院理学研究科

Multiscale simulation of polymer melt

Takahiro Murashima Tohoku University

151

蜂の巣格子 Kitaev-Heisenberg 模型の熱力学的性質と動的性質鈴木隆史

兵庫県立大学大学院工学研究科

Thermal properties and dynamical properties of the KitaevHeisenberg model on a honeycomb lattice

Takafumi Suzuki

時間依存多変数変分モンテカルロ法を用いた二152 次元ハバード模型における非平衡超伝導の数値
的研究

今田

正俊

Numerical study of non-equilibrium superconducting states in東京大学工学系研究科物理工学専
two-dimensional Hubbard model by the time-dependent multi- Masatoshi Imada
攻variable variational Monte Carlo method

The University ofTokyo

153 生体膜の構造形成野口博司

東京大学物性研究所

Hiroshi Noguchi

The University ofTokyo

Katsumi Hagita

National Defense
Academy

Title

Structure formation of biomembranes

Name

Organization

University of Hyogo154

ゲル充填材系の粗視化 MD 模型による２次元散乱パターン解析萩田克美

防衛大学校応用科学群応用物理学 2D Scattering Pattern Analysis on Coarse Grained MD Modelof Filled Hydrogel科

155

蛋白質物性に強く関与するソフトモードの効率的サンプリングシミュレーション

北尾彰朗

東京大学分子細胞生物学研究所

Efficient sampling simulation of the soft modes significantly
contribute to protein properties

Akio Kitao

The University ofTokyo

156 生体膜の構造形成野口博司

東京大学物性研究所

Structure formation of biomembranes

Hiroshi Noguchi

The University ofTokyo

157 ランダムスピン系の大規模モンテカルロ計算福島孝治

東京大学大学院総合文化研究科

Large-scale Monte Carlo calculation of random spin systems

Koji Hukushima

The University of
Tokyo

中野

博生

兵庫県立大学大学院物質理学研究
Numerical study on low-energy states of quantum spin systems Hiroki Nakano
科University of Hyogo

東京大学大学院理学系研究科物理
Novel orders in frustrated magnets
学専攻

Tsuyoshi Okubo

The University of
Tokyo

158

量子スピン系の低エネルギー状態に関する数値的研究

159 フラストレート磁性体における新奇秩序の探索

大久保

毅

160

マテリアルズ・インフォマティクスによる熱機
能材料の探索塩見淳一郎

東京大学工学系研究科

Screening for Thermal Functional Materials using Materials
Infomatics

Junichiro Shiomi

The University of
Tokyo

161

量子応答関数に関するミクロハミルトニアンからの直接計算法の開発

宮下精二

東京大学理学系研究科物理学専攻

Development of direct method for quantum respose frommicroscopic Hamiltonian

Seiji Miyashita

The University of
Tokyo

162

量子モンテカルロ法の開発とランダムボーズ系
の臨界現象

正木

晶子

理化学研究所

Development of Quantum Monte Carlo Methods andApplication to Critical Phenomena of Dirty Bosons

Akiko Masaki-Kato

RIKEN

163

動的密度行列繰り込み群法によるフラストレー
ト量子スピン系のスピンダイナミクスの研究遠山貴己

東京理科大学理学部応用物理学科

Dynamical DMRG study of spin dynamics in frustrated
quantum spin systems

Takami Tohyama

Tokyo University of
Science

東京大学大学院理学系研究科物理
Novel orders in frustrated magnets
学専攻

Tsuyoshi Okubo

The University ofTokyo

164 フラストレート磁性体における新奇秩序の探索大久保毅

165 数値的手法によるバルク・エッジ対応の研究

初貝安弘

筑波大学大学院数理物質科学研究
Numerical studies of bulk-edge correspondence
科物理学専攻Yasuhiro Hatsugai

University of Tsukuba

166 キラル磁性体の有限温度効果

加藤雄介

東京大学総合文化研究科広域科学
Thermodynamic properties of chiral magnets
専攻相関基礎科学系

Yusuke KatoThe University of
Tokyo

No.

課題名

167

低次元量子磁性体に対するボンドランダムネス
の効果

下川

統久朗

大阪大学大学院 理学研究科 宇宙
地球科学専攻The effect of bond-randomness on the quantum magnetisms inTokuro Shimokawa
low dimension

Osaka University

168

マニフォールド理論を用いたタンパク質折り畳
みのマルコフ状態モデルの構築

吉留崇

東北大学大学院工学研究科

A construction of the Markov state model of protein folding
using the manifold theory

Takashi Yoshidome

Tohoku University

田村亮

国立研究開発法人 物質・材料研
究機構

Magnetocaloric effect in random magnets

Ryo Tamura

National Institute forMaterials Science

The effect of bond-randomness on the quantum magnetisms inTokuro Shimokawa
low dimension

169 ランダム磁性体が示す磁気熱量効果

氏名

所属

Title

170

低次元量子磁性体に対するボンドランダムネス
の効果

下川

統久朗

大阪大学大学院 理学研究科 宇宙
地球科学専攻171

分子動力学シミュレーションによるアミロイド
線維の動的秩序の形成奥村久士

分子科学研究所計算科学研究セン Dynamical ordering of amyloid fibrils by molecular dynamics
simulations
ター

渡辺

宙志

東京大学物性研究所

Large-scale molecular dynamics simulations on liquidcontaining impurity

172 不純物を含む流体の大規模分子動力学計算

Name

Organization

Osaka University

Hisashi Okumura

Institute for Molecular
Science

Hiroshi Watanabe

The University of
Tokyo

173

並列化量子モンテカルロ法の開発と量子格子系における新規量子現象の研究

正木晶子

理化学研究所

Development of a parallel quantum Monte Carlo Method andAkiko Masaki-Kato
Study of novel quantum phenomena in quantum lattice models

RIKEN

174

スピン液体の量子モンテカルロシミュレーショ
ン

紙屋

佳知

理研

Quantum Monte Carlo study of spin liquids

Yoshitomo Kamiya

RIKEN

川村

光

大阪大学理学研究科

Novel order in frustrated magnets

Hikaru Kawamura

Osaka University

坂井徹

兵庫県立大学大学院物質理学研究 Numerical Diagonalization Study on the Quantum Spin Liquid
in Frustrated Systems
科

Toru Sakai

University of Hyogo

藤堂眞治

東京大学大学院理学系研究科物理 Stochastic Optimization Approach to Phase Transitions andStructure Search
学専攻

Synge Todo

The University ofTokyo

175 フラストレート磁性体における新奇秩序
176

数値対角化によるフラストレーション系における量子スピン液体の研究

ISSP Activity Report 2016

177 確率的最適化による相転移解析と構造探索
178

低次元量子スピン系における新しい磁場誘起相
転移

坂井

徹

兵庫県立大学大学院物質理学研究 Novel Field Induced Transitions in Low-Dimensional Quantum
Toru Sakai
Spin Systems
科179

シェル・モデルを用いた強誘電体の分子動力学
シミュレーション II

橋本

保

産業技術総合研究所

Molecular dynamics simulation of ferroelectrics using a shellmodel IItamotsu hashimoto

National Institute ofAdvanced Industrial
Science and Technology

180

ヒドロキシ酸による二酸化チタン結晶形態制御
機構の分子動力学シミュレーション研究

灘浩樹

産業技術総合研究所

Molecular Dynamics Simulation Study of Morphology Control
Mechanism of TiO2 Rutile Crystal by Hydroxy Acid

Hiroki Nada

National Institute forAdvanced Industrial
Science and Technology

University of Hyogo

147

181 テンソルネットワーク計算手法の開発

原田健自

京都大学大学院情報学研究科

Development of tensor network algorithms

Kenji Harada

Kyoto University

182 ランダムスピン系の大規模モンテカルロ計算福島孝治

東京大学大学院総合文化研究科

Large-scale Monte Carlo calculation of random spin systems

Koji Hukushima

The University of
Tokyo

森田

悟史

東京大学物性研究所

Development of Parallelized Tensor-Network Algorithm and its
Satoshi Morita
Applications

183

並列化テンソルネットワーク法の開発とその応
用The University of
Tokyo

148

No.

課題名

氏名

所属

大槻

東巳

上智大学理工学部

古川亮

186 カーネル法による非平衡緩和解析の改良

尾関

187 フラストレート磁性体における新奇秩序

184 ランダムな Dirac/Weyl 電子系の数値的研究

ISSP Activity Report 2016

185

ガラス状物質及び粉体分散系の異常レオロジー
現象

Title

Name

Organization

Numerical study of random Dirac/Weyl electron systems

Tomi Ohtsuki

Sophia University

東京大学生産技術研究所

Anomalous rheological behaviors of glassy materials andgranular suspensions

Akira Furukawa

The University of
Tokyo

之康

電気通信大学情報理工学研究科

Improvement of nonequilibrium relaxation analysis by the use
Yukiyasu Ozeki
of kernel method

The University
of ElectroCommunications

川村光

大阪大学理学研究科

Novel order in frustrated magnets

Hikaru Kawamura

Osaka University

188

創発励起を伴う量子スピン系のモンテカルロス
ペクトル解析

諏訪秀麿

東京大学大学院理学系研究科物理 Monte Carlo Spectral Analysis of Quantum Spin Systems with
Emergent Excitation
学専攻

Hidemaro Suwa

The University of
Tokyo

189

O(N) モンテカルロ法による 1 次元長距離相互作
富田
用イジング模型の動力学の研究

裕介

芝浦工業大学

Numerical study of dynamics in Ising spin models with longrange interactions

Yusuke Tomita

Shibaura Institute ofTechnology

190

量子フォノンにより誘起される磁化プラトー状
態

諏訪

秀麿

東京大学大学院理学系研究科物理
Magnetization Plateaus Induced by Quantum Phonons
学専攻

Hidemaro Suwa

The University of
Tokyo

191

量子アニーリングの実験的実現のための理論基
盤構築

田中

宗

早稲田大学 高等研究所

Theoretical study on quantum annealing machine

Shu Tanaka

Waseda University

192

実在ガラス材料の組織形成と変形に関与する不均一動力学の研究芝隼人

東北大学金属材料研究所

Study of heterogeneous dynamics inducing defect structureformation and deformation glassy materials

Hayato Shiba

Tohoku University

193

磁気冷凍におけるスケーリング則の適用外場探
索

田村

亮

国立研究開発法人 物質・材料研
究機構

Search for applicable external fields of scaling law in magnetic
Ryo Tamura
refrigeration

National Institute forMaterials Science

194

タンパク質結晶構造解析における n 波法による位相決定の予備的研究

沖津康平

東京大学 大学院工学系研究科

A preliminary study on phase determination for protein
crystals with the n-beam method

Kouhei Okitsu

The University of
Tokyo

195

微細横溝加工を施した鉛直平板を流れる凝縮液
膜流の熱輸送特性足立高弘

秋田大学工学資源学部機械工学科

Heat Transfer Characteristics of Condensate Film Flow along
Vertical Plates with Microscopic Grooves

Takahiro Adachi

Akita University196

格子の自由度と結合した量子スピン系におけるランダムネスの効果

安田千寿

琉球大学理学部

Randomness Effects on Quantum Spin Systems Coupled toLattice Degrees of Freedom

Chitoshi Yasuda

University of Ryukyus

197 融解現象とポリアモルフィズム

渕崎

員弘

愛媛大学理工学研究科

Melting phenomena and polyamorphism

Kazuhiro Fuchizaki

Ehime University

198 一般化イジング模型の相転移田中宗早稲田大学 高等研究所

Phase Transitions in Generalized Ising Models

Shu Tanaka

Waseda University

神戸大学大学院理学研究科

Numerical Study of the One-Dimensional Quantum Spin
Systems with Spatial Structures

Takashi Tonegawa

Kobe University

愛媛大学理工学研究科

Melting phenomena and polyamorphism

Kazuhiro Fuchizaki

Ehime University

199

空間構造をもつ一次元量子スピン系の数値的研
究200 融解現象とポリアモルフィズム

利根川
渕崎

孝
員弘

No.

課題名

201 摩擦の物理

氏名

Title

Name

Organization

松川宏

青山学院大学理工学部

Physics of Friction

Hiroshi Matsukawa

Aoyama Gakuin
University

正毅

東京大学物性研究所

Computational study of topological properties and realizationof quantum spin liquids in metal-organic frameworks

Masaki Oshikawa

The University ofTokyo

北海道大学理学部物理学科

Microscopic analysis of the Hall effect in superconductors
using the augmented quasiclassical equations with the Lorentz Takafumi Kita
force

Hokkaido University

電気通信大学情報理工学研究科

Improvement of nonequilibrium relaxation analysis by the use
Yukiyasu Ozeki
of kernel method II

The University
of ElectroCommunications

東北大学金属材料研究所

Debye-law for the density of states and dimensionality
dependence of fluctuation at ultra-low-frequencies inamorphous systems

Hayato Shiba

Tohoku University

202

有機金属構造体におけるトポロジカルな物性と量子スピン液体の実現に関する数値的研究

押川

203

ローレンツ力を含む拡張準古典方程式を用いた超伝導体のホール効果の微視的解析

北204 カーネル法による非平衡緩和解析の改良 II

所属

孝文

尾関

之康

205

アモルファス系の超低周波域のデバイ状態密度とゆらぎの次元依存性

芝206

過冷却液体状態のシクロヘキサンにおける局所構造変化と相転移現象

水口朋子

京都工芸繊維大学

Local structure and phase transition in supercooled
cyclohexane

Tomoko Mizuguchi

Kyoto Institute ofTechnology

207 細胞集団運動における秩序形成の込み合い効果

松下勝義

大阪大学理学研究科

Crowding effect on order formation in collective cell migration

Katsuyoshi
Matsushita

Osaka University

208 コンピュータ支援によるゼオライト合成

大久保

東京大学大学院工学系研究科化学Computer-aided synthesis of zeolites
システム工学専攻

Tatsuya Okubo

The University ofTokyo

Hiroaki Onishi

Japan Atomic Energy
Agencyフラストレート量子スピン鎖の磁気励起とスピ
ン伝導

隼人

達也

大西

弘明

日本原子力研究開発機構 先端基礎研究センター

210 相変化熱流体機器の最適設計手法の開発

森本賢一

東京大学大学院工学系研究科機械 Development of optimal design methodology of heat and fluid
flow devices involving phase-change heat transfer
工学専攻

Kenichi Morimoto

The University ofTokyo

211 細胞集団運動における細胞込み合いの効果松下勝義

大阪大学理学研究科

Katsuyoshi
Matsushita

Osaka University

Kenichi Morimoto

The University of
Tokyo

209

Magnetic excitation and spin transport in frustrated quantum
spin chain

ISSP Activity Report 2016

Cell Crowding Effects in Collective Cell Migration

149

212

メッシュレス解析を用いた伝熱機器形状最適化
手法の開発

森本

賢一

東京大学大学院工学系研究科機械 Development of meshless analysis-based shape optimization
method for heat transfer equipments
工学専攻

213

ランダム媒質中の光輸送とその医用イメージン
グへの応用

町田

学

浜松医科大学フォトニクス医学研 Light transport in random media and its application to medical
Manabu Machidaimaging究部

214

N 波高木方程式の球面波Ｘ線入射条件における数値解法の研究沖津康平

東京大学 大学院工学系研究科

Study on numerical method to solve n-beam Takagi equation
with spherical-wave X-ray incidence

Kouhei Okitsu

The University of
Tokyo

215

長距離相互作用行列の低ランク近似を用いたモ
ンテカルロシミュレーション五十嵐亮

東京大学情報基盤センター

Monte Carlo simulation using low-rank approximation to longrange interaction matrices

Ryo Igarashi

The University of
Tokyo

216

マイコプラズマ滑走タンパク質の構造ダイナミ
クス解析

新井

宗仁

東京大学大学院総合文化研究科

Structure and dynamics of the gliding protein from
Mycoplasma mobile

Munehito Arai

The University of
Tokyo

217

異方的超伝導接合の量子現象における数値計算
法の研究

田沼

慶忠

秋田大学大学院理工学研究科

Study of numerical methods for quantum phenomena of
anisotoropic superconductors

Yasunari Tanuma

Akita University

Hamamatsu University
School of Medicine

150
ISSP Activity Report 2016

No.

課題名

氏名

所属

218

計算機を用いた新規人工タンパク質の合理的設
計

新井

宗仁

東京大学大学院総合文化研究科

219

機械ひずみを用いたナノ材料フォノン・電子輸
送特性制御

塩見

淳一郎

220

ソフトマテリアルの秩序構造の光学的性質の計算福田221 タンパク質の分子動力学シミュレーション

Title

Name

Organization

Computational rational design of novel artificial proteins

Munehito Arai

The University ofTokyo

東京大学工学系研究科

Control of phonon and electron transport properties using
mechanical strain

Junichiro Shiomi

The University of
Tokyo

順一

産業技術総合研究所

Calculation of optical properties of ordered structures of soft
materials

Jun-ichi Fukuda

National Institute ofAdvanced Industrial
Science and Technology

新井宗仁

東京大学大学院総合文化研究科

Molecular dynamics simulations of proteins

Munehito Arai

The University of
Tokyo

222

半導体ナノ結晶に関する大規模シミュレーショ
ン

寺尾

貴道

岐阜大学工学部

Large-scale simulations of semiconductor nanocrystals

Takamichi Terao

Gifu University

223

高密剛体球系の非平衡相転移と大規模分子動力学シミュレーション

礒部

雅晴

名古屋工業大学

Nonequilibirum phase transition in the large scale dense hard
sphere molecular dynamics simulation

Masaharu Isobe

Nagoya Institute ofTechnology

224

異方性を有する分子系における強誘電性と反強誘電性の競合高江

恭平

東京大学生産技術研究所

Competition between ferroelectric and antiferroelectric orderin anisotropic molecular systems

Kyohei Takae

The University ofTokyo

225 地震の統計モデルの数値シミュレーション

川村

光

大阪大学理学研究科

Numerical simulations on statistical models of earthquakes

Hikaru Kawamura

Osaka University

226

厳密対角化パッケージ Rokko による
Heisenberg-Kitaev 模型の研究

坂下達哉

東京大学物性研究所

Study on Heisenberg-Kitaev model by exact diagonalization
package Rokko

Tatsuya Sakashita

The University of
Tokyo

227

量子モンテカルロ法を用いた 1 次元相互作用電子系の輸送特性に関する数値研究加藤岳生

東京大学物性研究所

Numerical research of one-dimensional interacting electron
systems by a quantum Monte Carlo method

Takeo KatoThe University of
Tokyo

228

微細横溝加工を施した鉛直平板を流れる凝縮液
膜流の熱輸送特性足立高弘

秋田大学工学資源学部機械工学科

Heat Transfer Characteristics of Condensate Film Flow along
Vertical Plates with Microscopic Grooves

Takahiro Adachi

Akita University229

半導体ナノ結晶に関する大規模シミュレーショ
ン

寺尾

貴道

岐阜大学工学部

Large-scale simulations of semiconductor nanocrystals

Takamichi Terao

Gifu University

川村光

大阪大学理学研究科

Numerical simulations on statistical models of earthquakes

Hikaru Kawamura

Osaka University

神戸大学大学院理学研究科

Numerical Study of the One-Dimensional Quantum Spin
Systems with Spatial Structures

Takashi Tonegawa

Kobe University

230 地震の統計モデルの数値シミュレーション
231

空間構造をもつ一次元量子スピン系の数値的研
究

利根川

孝

232

ソフトマテリアルの秩序構造の光学的性質の計
算

福田

順一

産業技術総合研究所

Calculation of optical properties of ordered structures of soft
materials

Jun-ichi Fukuda

National Institute ofAdvanced Industrial
Science and Technology

233

トポロジカル系における実空間構造の効果の研
究

苅宿

俊風

物材機構

Analysis of Topological Systems with Real Space Structures

Toshikaze Kariyado

NIMS

234

パイロクロア反強磁性体における局所格子歪み
の効果

青山

和司

大阪大学大学院理学研究科宇宙地 Lattice distortion effects on classical Heisenberg
antiferromagnets on pyrochlore lattices
球専攻

Kazushi Aoyama

Osaka University

No.

課題名

235 生物発光関連分子の電子状態についての研究

氏名

所属

Title

Name

Organization

樋山

みやび

東京大学物性研究所

Electronic states of bioluminescence related molecules

Miyabi Hiyama

The University ofTokyo

Evaluation of quantum error correction codes' performanceagainst realistic error models

Takanori Sugiyama

Osaka University

Kazushi Aoyama

Osaka University236

現実的なエラーモデルに対する量子誤り訂正符号のエラー耐性評価

杉山太香典

大阪大学大学院基礎工学研究科

237

パイロクロア反強磁性体における局所格子歪み
と磁場効果

青山

和司

大阪大学大学院理学研究科宇宙地 Effects of a magnetic field on spin-lattice-coupled orders inpyrochlore antiferromagnets
球専攻

238

１次元フラストレート量子スピン系の数値的研
究

飛田

和男

埼玉大学大学院理工学研究科物質 Numerical Study of One Dimensional Frustrated Quantum Spin
Kazuo Hida
Systems
科学部門

239

内部反応との相互作用を伴う膜系についての研
究

小串

典子

お茶の水女子大学

Simulation study of membrane system coupled with inner
reaction

Fumiko Ogushi

Ochanomizu Univ.

240

量子的なノイズに対する量子誤り訂正符号のノイズ耐性評価杉山太香典

大阪大学大学院基礎工学研究科

Evaluation of quantum error correction codes' performanceagainst quantum noises

Takanori Sugiyama

Osaka University

241

異方的超伝導接合の量子現象における数値計算
法の研究

田沼

慶忠

秋田大学大学院理工学研究科

Study of numerical methods for quantum phenomena of
anisotoropic superconductors

Yasunari Tanuma

Akita University

242 ランダム媒質中の光輸送

町田学

浜松医科大学フォトニクス医学研
Light transport in random media究部

Manabu Machida

Hamamatsu University
School of Medicine

243 ペーストの流れの記憶の数値実験中原明生

日本大学理工学部一般教育教室（物理）

Numerical simulation for memory of flow in paste

Akio Nakahara

Nihon University

244 電子ー格子ー光子系非断熱ダイナミクスの研究石田邦夫

宇都宮大学大学院工学研究科

Study of nonadiabatic dynamics of electron-phonon-photon
systems

Kunio Ishida

Utsunomiya University

Saitama University

ISSP Activity Report 2016

151

152

平成 28 年度スーパーコンピュータ 計算物質科学スパコン共用事業 課題一覧
/ Supercomputing Consortium for Computational Materials Science Project List of Supercomputer System 2016

ISSP Activity Report 2016

No.

課題名

氏名

所属

Title

Name

Organization

前期 / The first half term
1

第一原理電子構造計算とデバイス・プロセス・シ
押山
ミュレーション

淳

東京大学

大学院工学系研 First-principles electronic-structure calculations and deviceprocess simulations
究科

Atsushi Oshiyama

The University of
Tokyo

2

ナノ光応答理論と光・電子機能デバイスの計算
科学的設計

信定

克幸

分子科学研究所

理論・計算分子 Nano-optical response theory and computational design ofphoto-electronic functional devices
科学研究領域

Katsuyuki Nobusada

Institute for Molecular
Science3

界面における高温超伝導と非平衡超伝導の研究

今田

正俊

東京大学

大学院工学系研 Interfacial high-Tc superconductivity and nonequilibrium
superconductivity
究科

Masatoshi Imada

The University of
Tokyo

4

f 電子系の第一原理計算手法開発

赤井

久純

東京大学

物性研究所

First-principles calculation on f-electron systems

Hisazumi Akai

The University of
Tokyo

5

第一原理フェーズ・フィールド・マッピング

香山正憲

産業技術総合研究所

First-Principles Phase Field Mapping

Masanori Kohyama

National Institute ofAdvanced Industrial
Science and Technology

6エネルギーの変換・貯蔵 — 電気エネルギー

杉野

修

東京大学

物性研究所

Energy conversion and storage – electric energy

Osamu Sugino

The University of
Tokyo

7

液体材料物性の階層古典モデリングを用いたシ
ミュレーション研究

芝

隼人

東北大学

金属材料研究所

Simulation of liquid materials properties using hybrid classicalHayato Shibamodeling

Tohoku University

82015 年度ソフトウェア開発・高度化プロジェク
ト課題 (HΦ、OpenMX) を活用した共同研究の 吉見
推進

一慶

東京大学

物性研究所

Promotion of joint researches through Project for advancement
Kazuyoshi Yoshimi
of software usability in materials science in 2015

The University of
Tokyo

9

多変数変分モンテカルロ法を用いた高温超伝導体界面の研究

貴宏

東京大学

物性研究所

Many-variable variational Monte Carlo study for interfaces ofhigh-Tc superconductors

Takahiro Misawa

The University of
Tokyo

三澤

後期 / The second half term
10

第一原理電子構造計算とデバイス・プロセス・シ
押山
ミュレーション

淳

東京大学

大学院工学系研 First-principles electronic-structure calculations and deviceprocess simulations
究科

Atsushi Oshiyama

The University of
Tokyo

11

非平衡状態における超伝導相関

今田

正俊

東京大学

大学院工学系研Superconducting correlations of nonequilibrium states
究科

Masatoshi Imada

The University of
Tokyo

12

第一原理フェーズ・フィールド・マッピング

香山正憲

産業技術総合研究所

First-principles phase field mapping

Masanori Kohyama

National Institute ofAdvanced Industrial
Science and Technology

13

複合電解質液体の流動、摩擦現象のメソダイナ
ミクスの研究芝

Mesoscale dynamics study of rheology and friction incomposite electrolyte solutions

Hayato Shiba

Tohoku University

隼人

東北大学

金属材料研究所

ISSP Activity Report 2016

153

No.

課題名

氏名

所属

14

量子ドット系におけるスピン緩和率に関する解
析

吉見

一慶

東京大学

物性研究所

Analysis of spin relaxation phenomena in quantum dots

Kazuyoshi Yoshimi

The University of
Tokyo

15

多変数変分モンテカルロ法を用いた負のフント結合を持つ縮退二軌道模型の解析

三澤

貴宏

東京大学

物性研究所

Many-variable variational Monte Carlo study for degenerate
two-orbital Hubbard model with inverted Hund coupling

Takahiro Misawa

The University of
Tokyo

16

GaN の結晶成長過程の第一原理的解析

重田

育照

筑波大学

計算科学研究セFirst-principles analyses on crystal growth mechanism of GaN
ンター

Yasuteru Shigeta

University of Tsukuba

17

ナノ界面高強度パルス光励起ダイナミクス

矢花

一浩

筑波大学

計算科学研究セ Dynamics in nano-interface excited by high-intensity pulsed
light
ンター

Kazuhiro Yabana

University of Tsukuba

18

テンソルネットワーク法・量子モンテカルロ法による新しい量子相・量子臨界現象の探求

川島

直輝

東京大学

物性研究所

Search for novel quantum phases and transitions by tensor
network methods and quantum Monte Carlo methods

Naoki Kawashima

The University of
Tokyo

19

有機 / 無機界面の物性に関する計算

尾形修司

名古屋工業大学

大学院工学研究
Simulation of organic-inorganic interfaces
科

Shuji Ogata

Nagoya Institute ofTechnology

20

大型実験施設との連携

遠山貴巳

東京理科大学

理学部第一部

Takami Tohyama

Tokyo University of
Science21

有機系太陽電池における光電変換の基礎過程の研究と変換効率最適化にむけた大規模数値計算

山下

晃一

東京大学

Large scale calculations on the fundamental processes of
大学院工学系研
organic and perovskite solar cells and their optimization in
究科
conversion efficiency

Koichi Yamashita

The University of
Tokyo

22

エネルギーの変換・貯蔵 — 電気エネルギー：全
岡崎
電池シミュレータの基盤技術の開発研究

進

名古屋大学

Conversion and storage of energy - Fuel cells and secondary
大学院工学研究
batteries: Research and development of fundamental
科
technologies of battery simulators

Susumu Okazaki

Nagoya University

23

生体膜変形ダイナミクスのマルチスケール・シ
ミュレーション

岡崎圭一

分子科学研究所

理論・計算物質 Multiscale simulations of bio-membrane shape-changing
dynamics
科学研究部門

Kei-ichi Okazaki

Institute for Molecular
Science24

グリーン関数法を用いた分子集合体の励起状態
計算

藤田

貴敏

分子科学研究所

Takatoshi Fujita

Institute for Molecular
Science25

オーダー N 遮蔽 KKR グリーン関数法を用いたス
福島
ピントロニクス材料の探索

鉄也

大阪大学

ナノサイエンス
Design of spintronics materials by order-N screened KKR
デザイン教育研
Green function method究センター

Tetsuya Fukushima

Osaka University

26

ナトリウム二次電池に対する物質探索

小口

多美夫

大阪大学

産業科学研究所 Materials exploration for sodium secondary batteries

Tamio Oguchi

Osaka University

27

酸化物基板に担持された汎用元素クラスターの
触媒活性

武次

徹也

北海道大学

大学院理学研究 Catalytic activity of abundant-metal clusters supported by anoxide substrate院

Tetsuya Taketsugu

Hokkaido University

28

第一原理計算に基づいたスクリーニングによる新規半導体の探索

大場史康

東京工業大学

科学技術創成研
Exploration of novel semiconductors by first-principles
究院フロンティscreening
ア材料研究所Fumiyasu Oba

Tokyo Institute ofTechnology

29

ナトリウムイオン二次電池用電解液の量子分子
動力学シミュレーション

中井

浩巳

早稲田大学

理工学術院

Quantum molecular dynamics simulation on electrolyte
solution for sodium-ion battery

Hiromi Nakai

Waseda University

30

第一原理計算に基づいた磁性材料の開発

三宅隆

産業技術総合研究所

First-principles study of magnetic materials

Takashi Miyake

National Institute ofAdvanced Industrial
Science and Technology

Title

Cooperation research with big experimental Facilities

Excited-state calculations for molecular aggregates based on
Green’ s function method

Name

Organization

154
ISSP Activity Report 2016

No.

課題名

氏名

31

高電圧ナトリウムイオン電池に向けた正極反応の基礎過程の解析

山田

淳夫

32

B、C、N を用いた電子デバイス新物質の設計研
究

斎藤

晋

所属

Title

Name

Organization

東京大学

大学院工学系研 Analysis of elementary cathode reactions towards high-voltage
Atsuo Yamada
sodium ion batteries
究科

The University ofTokyo

東京工業大学理学院

Tokyo Institute ofTechnology

Materials design using B, C, and N for next-generation device

Susumu Saito

ISSP Activity Report 2016155

Publications
Division of Condensed Matter Science
Takigawa group
We have been performing nuclear magnetic resonance experiments on various quantum spin systems and strongly correlated
electron systems to explore novel quantum phases with exotic ordering and fluctuation phenomena. The major achievementsin the year 2015 include: (1) Discovery of a magnetic field-induced phase transition in PrTi2Al20, a f-electron system with theGamma-3 non-magnetic doublet crystal field ground state,by means of Al-NMR and magnetization measurements. (2) First
observation of a magnetic order in the heavy electron system beta-YbAlB4 under high poressure of 8 GPa.
*1.

NMR Observation of Ferro-Quadrupole Order in PrTi2Al20: T. Taniguchi, M. Yoshida, H. Takeda, M. Takigawa,
M. Tsujimoto, A. Sakai, Y. Matsumoto and S. Nakatsuji, J. Phys. Soc. Jpn. 85 (2016) 113703(1-4).

2.

Pressure-Tuned Exchange Coupling of a Quantum Spin Liquid in the Molecular Triangular Lattice κ-(ET)2Ag2(CN)3:
Y. Shimizu, T. Hiramatsu, M. Maesato, A. Otsuka, H. Yamochi, A. Ono, M. Itoh, M. Yoshida, M. Takigawa, Y. Yoshida
and G. Saito, Phys. Rev. Lett. 117 (2016) 107203(1-6).

3.

*

Single crystal 27Al-NMR study of the cubic Γ3 ground doublet system PrTi2Al20: T. Taniguchi, M. Yoshida, H. Takeda,
M. Takigawa, M. Tsujimoto, A. Sakai, Y. Matsumoto and S. Nakatsuji, J. Phys.: Conf. Ser. 683 (2016) 012016(1-9).

4.

*

5.

J(1)-J(2) square-lattice Heisenberg antiferromagnets with 4d(1) spins AMoOPO(4)Cl (A=K, Rb): H. Ishikawa,N. Nakamura, M. Yoshida, M. Takigawa, P. Babkevich, N. Qureshi, H. M. Rønnow, T. Yajima and Z. Hiroi, Phys. Rev. B
95 (2017) 064408.

Site-selective 11B NMR studies on YbAlB4: S. Takano, M. S. Grbic, K. Kimura, M. Yoshida, M. Takigawa, E. C. T. O.
Farrell, K. Kuga, S. Nakatsuji and H. Harima, J. Phys.: Conf. Ser. 683 (2016) 012008(1-6).

Sakakibara group
We study magnetism and superconductivity of materials having low characteristic temperatures. These include heavy-electron
systems, quantum spin systems and frustrated spin systems. The followings are some selected achievements in the fiscal year
2016. (1) An experimental technique of low-temperature magnetization measurements under in-situ tuning of the sample orientation has been developed. A two-axis goniometer is introduced into our capacitively-detected Faraday magnetometer, making
it possible to rotate the sample by |θ|<7 deg. and |φ|<3 deg. The apparatus has been applied to a metamagnetic heavy fermion
compound CeRu2Si2, and found that the magnetization isotherms M(H) of this tetragonal compound can be completely scaledby Hcosθ, where θ is the angle between H and the c axis, confirming the Ising nature of this system. (2) The critical exponent νof the phase boundary of a field-induced incommensurate ordering state has been examined on the spin-1/2 ferromagnetic-leg
ladder 3-Br-4-F-V [=3-(3-bromo-4-fluorophenyl)-1,5-diphenylverdazyl]. Using the temperature-window fitting technique, we
obtained the critical exponents which agreed with the 3D Bose-Einstein condensation (BEC) universality class at both sidesof the lower critical field and the saturation field. 3-Br-4-F-V thus becomes a new member of the quantum magnets which
prove the universality of the 3D BEC exponent. (3) Quasiparticle excitations in the hexagonal heavy-fermion superconductor
UPd2Al3 have been studied by means of heat capacity (C) measurements under rotating magnetic fields. At low temperatures,the polar angle (θ) dependence of C exhibits a maximum along H||[0001] with a two-fold symmetric oscillation below 0.5
T, and an unusual shoulder/hump anomaly has been found around 30-60 deg. from the c axis in C(θ) at intermediate fields(1<H<2 T). This feature in C(θ) entirely comes from nodal quasiparticle excitations, and has been successfully explained bytheoretical calculations assuming a gap function with a horizontal line node.
1.

Evidence for chiral d-wave superconductivity in URu2Si2 from the field-angle variation of its specific heat: S. Kittaka,
Y. Shimizu, T. Sakakibara, Y. Haga, E. Yamamoto, Y. Onuki, Y. Tsutsumi, T. Nomoto, H. Ikeda and K. Machida, J. Phys.
Soc. Jpn. 85 (2016) 033704 (2016).

2.

†*

Superconductivity and Non-Fermi-Liquid Behavior in the Heavy-Fermion Compound CeCo 1−xNixIn5: R. Otaka,
M. Yokoyama, H. Mashiko, T. Hasegawa, Y. Shimizu, Y. Ikeda, K. Tenya, S. Nakamura, D. Ueta, H. Yoshizawa and
T. Sakakibara, J. Phys. Soc. Jpn. 85 (2016) 094713.

* Joint research among groups within ISSP.

156

ISSP Activity Report 2016

3.

Field-induced phase transitions and magnetoferroelectricity in the perfect triangular lattice antiferromagnet
RbFe(MoO4)2 in a vertical magnetic field: H. Mitamura, R. Watanuki, N. Onozaki, Y. Amou, Y. Kono, S. Kittaka,
Y. Shimura, I. Yamamoto, K. Suzuki and T. Sakakibara, J. Magn. Magn. Mater. 400 (2016) 70-72.

4.

First-order superconducting transition of Sr2RuO4 investigated by magnetization and magnetic torque: S. Kittaka,
A. Kasahara, T. Sakakibara, D. Shibata, S. Yonezawa, Y. Maeno, K. Tenya and K. Machida, J. Magn. Magn. Mater. 400(2016) 81-83.

5.

Heat capacity measurements on UBe13 in rotated magnetic fields: anisotropic response in the normal state and theabsence of nodal quasiparticles: Y. Shimizu, S. Kittaka, T. Sakakibara, Y. Haga, E. Yamamoto, H. Amitsuka, Y. Tsutsumi
and K. Machida, J. Magn. Magn. Mater. 400 (2016) 52-55.

6.

*

7.

Quadrupole-driven non-Fermi-liquid and magnetic-field-induced heavy fermion states in a non-Kramers doublet system:
T. Onimaru, K. Izawa, K. T. Matsumoto, T. Yoshida, Y. Machida, T. Ikeura, K. Wakiya, K. Umeo, S. Kittaka, K. Araki,
T. Sakakibara and T. Takabatake, Phys. Rev. B 94 (2016) 075134(1-8).

8.

Thermodynamic study of gap structure and pair-breaking effect by magnetic field in the heavy-fermion superconductor
CeCu2Si2: S. Kittaka, Y. Aoki, Y. Shimura, T. Sakakibara, S. Seiro, C. Geibel, F. Steglich, Y. Tsutsumi, H. Ikeda andK. Machida, Phys. Rev. B 94 (2016) 054514(1-9).

9.

†

Low-energy excitations and ground-state selection in the quantum breathing pyrochlore antiferromagnet
Ba3Yb2Zn5O11: T. Haku, K. Kimura, Y. Matsumoto, M. Soda, M. Sera, D. Yu, R. A. Mole, T. Takeuchi, S. Nakatsuji,
Y. Kono, T. Sakakibara, L. -J. Chang and T. Masuda, Phys. Rev. B 93 (2016) 220407(1-5).

Unconventional S=2 alternating chain realized by a metal-radical hybrid-spin approach: H. Yamaguchi, Y. Shinpuku,
Y. Kono, S. Kittaka, T. Sakakibara, M. Hagiwara, T. Kawakami, K. Iwase, T. Ono and Y. Hosokoshi, Phys. Rev. B 93
(2016) 115145(1-7).

10. †Omnidirectional Measurements of Angle-Resolved Heat Capacity for Complete Detection of Superconducting
Gap Structure in the Heavy-Fermion Antiferromagnet UPd2Al3: Y. Shimizu, S. Kittaka, T. Sakakibara, Y. Tsutsumi,
T. Nomoto, H. Ikeda, K. Machida, Y. Homma and D. Aoki, Phys. Rev. Lett. 117 (2016) 037001(1-5).
11. †Quadrupole Order in the Frustrated Pyrochlore Tb2+xTi2-xO7+y: H. Takatsu, S. Onoda, S. Kittaka, A. Kasahara, Y. Kono,
T. Sakakibara, Y. Kato, B. Fâk, J. Ollivier, J. W. Lynn, T. Taniguchi, M. Wakita and H. Kadowaki, Phys. Rev. Lett. 116(2016) 217201(1-6).
12. †Comparison With Ground States of Frustrated Quantum Spin Chain Systems A2Cu2Mo3O12 (A = Rb and Cs):
A. Fujimura, Y. Yasui, Y. Yanagisawa, I. Terasaki, Y. Kono, S. Kittaka and T. Sakakibara, IEEE Trans. Magn. 52 (2016)
1100503(3pages).
13. †Angle-resolved heat capacity of heavy fermion superconductors: T. Sakakibara, S. Kittaka and K. Machida, Rep. Prog.
Phys. 79 (2016) 094002(1-19).
14. †Ferromagnetic ordered phase of quantum spin ice system Yb2Ti2O7 under [001] magnetic field: N. Hamachi, Y. Yasui,
K. Araki, S. Kittaka and T. Sakakibara, AIP Advances 6 (2016) 055707(1-6).
15. †Possible observation of highly itinerant quantum magnetic monopoles in the frustrated pyrochlore Yb2Ti2O7:
Y. Tokiwa, T. Yamashita, M. Udagawa, S. Kittaka, T. Sakakibara, D. Terazawa, Y. Shimoyama, T. Terashima, Y. Yasui,
T. Shibauchi and Y. Matsuda, Nat. Commun. 7 (2016) 10807(1-6).
16. †Quadrupole order in the frustrated pyrochlore magnet Tb2Ti2O7: H. Takatsu, T. Taniguchi, S. Kittaka, T. Sakakibara
and H. Kadowaki, J. Phys.: Conf. Series 683 (2016) 012022(1-6).
17. Structural, Magnetic, and Superconducting Properties of Caged Compounds ROs2Zn20 (R= La, Ce, Pr, and Nd):
K. Wakiya, T. Onimaru, K. T. Matsumoto, Y. Yamane, N. Nagasawa, K. Umeo, S. Kittaka, T. Sakakibara, Y. Matsushita
and T. Takabatake, J. Phys. Soc. Jpn. 86 (2017) 034707(1-6).
18. *Thermodynamic Investigation of Metamagnetic Transitions and Partial Disorder in the Quasi-Kagome Kondo Lattice
CePdAl: K. Mochidzuki, Y. Shimizu, A. Kondo, S. Nakamura, S. Kittaka, Y. Kono, T. Sakakibara, Y. Ikeda, Y. Isikawa
and K. Kindo, J. Phys. Soc. Jpn. 86 (2017) 034709(1-5).
19. †Magnetic properties of the S=1/2 honeycomb lattice antiferromagnet 2-Cl-3,6-F2-V: T. Okabe, H. Yamaguchi,
S. Kittaka, T. Sakakibara, T. Ono and Y. Hosokoshi, Phys. Rev. B 95 (2017) 075120(1-6).
20. Nodal gap structure of the heavy-fermion superconductor URu2Si2 revealed by field-angle-dependent specific-heatmeasurements: S. Kittaka, Y. Shimizu, T. Sakakibara, Y. Haga, E. Yamamoto, Y. Onuki, Y. Tsutsumi, T. Nomoto,H. Ikeda and K. Machida, J. Phys.: Conf. Ser. 807 (2017) 052001(1-6).
† Joint research with outside partners.

ISSP Activity Report 2016157

21. Thermodynamic properties of quadrupolar states in the frustrated pyrochlore magnet Tb2Ti2O7: H. Takatsu,
T. Taniguchi, S. Kittaka, T. Sakakibara and H. Kadowaki, J. Phys.: Conf. Ser. 828 (2017) 012007(1-6).
22. *Unique Electronic States in Non-centrosymmetric Cubic Compounds: M. Kakihana, K. Nishimura, Y. Ashitomi,
T. Yara, D. Aoki, A. Nakamura, F. Honda, M. Nakashima, Y. Amako, Y. Uwatoko, T. Sakakibara, S. Nakamura,T. Takeuchi, Y. Haga, E. Yamamoto, H. Harima, M. Hedo, T. Nakama and Y. Onuki, J. Electron. Mater. 46 (2017)3572-3586.
23. 重い電子系における超伝導研究の新展開 ―磁場角度分解比熱測定からみたギャップ対称性―: 橘高俊 一郎 , 榊原 俊郎 ,町田 一成 , 固体物理 51 (2016) 411-427.
24. 磁場角度回転比熱測定による超伝導研究 : 橘高俊 一郎 , 物性研究・電子版 6 (2017) 85-125.
25. 基礎の物性実験 - 比熱・磁化測定からわかること : 榊原 俊郎 ,「物性科学ハンドブック - 概念・現象・物質 -」, 5, 家泰弘 ,高田康民 , ( 朝倉書店 , 2016), 233-290.

Mori group
We have successfully developed and unveiled unprecedented functional properties for the molecular materials. The majorachievements in 2016 are (1) to disclose the chemical pressure effect by anion substitution on hydrogen-bond-mediated phasetransition of β'-H3(Cat-EDO-TTF)2BF4, (2) to improve the stability of a metallic state in benzothienobenzothiophene-based
molecular conductor, β-[BTBT(OH)2]ClO4, by an effective increase of dimensionality with hydrogen bonds, and (3) to investigate theoretically the H/D isotope effects on phase transition of hydrogen-bonded organic conductor κ-D3(Cat-EDT-X)2 (X =TTF and ST).
1.

Theoretical study of the H/D isotope effect on phase transition of hydrogen-bonded organic conductor κ-H3(CatEDT-TTF)2: K. Yamamoto, Y. Kanematsu, U. Nagashima, A. Ueda, H. Mori and M. Tachikawa, Phys. Chem. Chem.
Phys. 18 (2016) 29673.

2.

Novel electronic ferroelectricity in an organic charge-order insulator investigated with terahertz-pump optical-probe
spectroscopy: H. Yamakawa, T. Miyamoto, T. Morimoto, H. Yada, Y. Kinoshita, M. Sotome, N. Kida, K. Yamamoto,K. Iwano, Y. Matsumoto, S. Watanabe, Y. Shimoi, M. Suda, H. M. Yamamoto, H. Mori and H. Okamoto, Sci. Rep. 6(2016) 20571(1-10).

3.

Improved stability of a metallic state in benzothienobenzothiophene-based molecular conductors: an effective increaseof dimensionality with hydrogen bonds: T. Higashino, A. Ueda, J. Yoshida and H. Mori, Chem. Commun. 53 (2017)
3426.

4.

Anion substitution in hydrogen-bonded organic conductors: the chemical pressure effect on hydrogen-bond-mediatedphase transition: J. Yoshida, A. Ueda, R. Kumai, Y. Murakami and H. Mori, CrystEngComm 19 (2017) 367.

5.

Valence engineering of ionic molecular crystals: monovalent–divalent phase diagram for biferrocene–tetracyanoquinodimethane salts: T. Mochida, Y. Funasako, T. Akasaka, M. Uruichi and H. Mori, CrystEngComm 19 (2017) 1449.

6.

Multicomponent DFT study of geometrical H/D isotope effect on hydrogen-bonded organic conductor, κ-H3(CatEDT-ST)2: K. Yamamoto, Y. Kanematsu, U. Nagashima, A. Ueda, H. Mori and M. Tachikawa, Chemical Physics Letters
674 (2017) 168.

7.

水素結合 -π 電子系相関型有機伝導体の開発とその水素重⁄水素同位体効果 : 上田 顕 , 森 初果 , J. Comput. Chem. Jpn

15 (2016) 163-169.

Osada group
We have studied the transport properties of the high-mobility thin-film black phosphorus (BP) field effect transistor (FET)
device, and have newly found double carrier transport features in positively gated (electron-doped) region. We built a van der
Waals stacking structure, hexagonal born nitride (h-BN)/thin-film PB (15-20 nm)/h-BN on SiO2/n+-Si substrate, in the grove
box environment and then fabricated it into an FET device. By avoiding the degradation of BP by oxygen and water using theh-BN sandwiched structure, the carrier mobility in the FET has reached 6,000 cm2/Vs for holes and 5,800 cm2/Vs for electrons,
which are the highest mobility ever reported. We have newly observed double period Shubnikov-de Haas oscillations, whichindicates two Fermi surfaces (FSs), in the highly electron doped region (positively gated region). The second FS is considered tooriginate from the second electron subband in the ultra-thin BP films.
1.

原子層におけるトポロジー物理 : 長田 俊人 , 表面科学 37 (2016) 535-540.

* Joint research among groups within ISSP.

158

ISSP Activity Report 2016

2. 「物性科学ハンドブック - 概念・現象・物質 -」（東京大学物性研究所 編）第 7 章「電気伝導 - 低次元電子系の量子伝導」:
長田 俊人 , ( 朝倉書店 , 東京 , 2016).

Yamashita group
We have been studying (1) quantum criticality in heavy-fermion materials by ultra-low temperature cryostat, (2) thermal-Hall
conductivity of exotic excitations in frustrated magnets and (3) a new technique for the study of strongly-correlated electron
systems. In this year, we have performed (1) Co and In NMR measurements of CeCoIn5 at ultra-low temperatures, (2) thermal
Hall measurements in spin liquid materials Ba3CuSb2O9 and alpha-RuCl3 and (3) scanning-Hall measurements of Mn3Sn.
*

1.

Dome-shaped magnetic order competing with high-temperature superconductivity at high pressures in FeSe: J. P.
Sun, K. Matsuura, G. Z. Ye, Y. Mizukami, M. Shimozawa, K. Matsubayashi, M. Yamashita, T. Watashige, S. Kasahara,
Y. Matsuda, J. -Q. Yan, B. C. Sales, Y. Uwatoko, J. -G. Cheng and T. Shibauchi, Nat. Commun. 7 (2016) 12146(1-15).

2.

*
Emergence of nontrivial magnetic excitations in a spin-liquid state of kagomé volborthite: D. Watanabe, K. Sugii,
M. Shimozawa, Y. Suzuki, T. Yajima, H. Ishikawa, Z. Hiroi, T. Shibauchi, Y. Matsuda and M. Yamashita, Proc. Natl.
Acad. Sci. U.S.A. 113 (2016) 8653.

3.

*

Thermal Hall Effect in a Phonon-Glass Ba3CuSb2O9: K. Sugii, M. Shimozawa, D. Watanabe, Y. Suzuki, M. Halim,
M. Kimata, Y. Matsumoto, S. Nakatsuji and M. Yamashita, Phys. Rev. Lett. 118 (2017) 145902.

Division of Condensed Matter Theory
Tsunetsugu group
We have completed the study of optical conductivity near antiferromagnetic transition. The main result is the importance ofvertex corrections, and this is different from the case of Mott transition, where the vertex corrections have little effects. We also
completed the study of quadrupole antiferro orders in a heavy fermion system, and determined the detailed phase diagram intemperature and magnetic field space. Spin singlet order in breathing pyrochlores has been also investigated in detail, and wehave found that the spin size essentially change a ground state order. For S>1/2, tetramer orders are stabilized, which contrasts
to dimer orders in the S=1/2 case. For this problem, we have developed a systematic scheme of degenerate perturbation tailoredfor breathing pyrochlores, and derived an effective Hamiltonian for low-energy dynamics.
1.

Classical Monte Carlo Study for Antiferro Quadrupole Orders in a Diamond Lattice: K. Hattori and H. Tsunetsugu,
J. Phys. Soc. Jpn. 85 (2016) 094001(1-14).

2.

Cluster dynamical mean field theory study of antiferromagnetic transition in the square-lattice Hubbard model: Opticalconductivity and electronic structure: T. Sato and H. Tsunetsugu, Phys. Rev. B 94 (2016) 085110(1-12).

3.

Entanglement prethermalization in an interaction quench between two harmonic oscillators: T. N. Ikeda, T. Mori,
E. Kaminishi and M. Ueda, Phys. Rev. E 95 (2017) 022129(1-8).

4.

Theory of antiferromagnetic Heisenberg spins on a breathing pyrochlore lattice: H. Tsunetsugu, Prog. Theor. Exp. Phys.
2017 (2017) 033101(1-29).

Kato group
The main research subject of our laboratory is theory of non-equilibrium properties in nanoscale devices. We have studied (1)adiabatic pumping via a quantum dot with Coulomb interaction, (2) current fluctuations in a Kondo-correlated quantum dot, and(3) Andreev bound states in a multi-terminal superconducting device. We have also collaborated with experimentalists in ISSP,
and have supported theoretical aspects on (4) pressure dependence of the magnetic ground states in MnP and (5) proximity
effect at a single atomic step by STM.
1.

Field-Enhanced Kondo Correlations in a Half-Filling Nanotube Dot: Evolution of an SU(N ) Fermi-Liquid Fixed Point:
Y. Teratani, R. Sakano, R. Fujiwara, T. Hata, T. Arakawa, M. Ferrier, K. Kobayashi and A. Oguri, J. Phys. Soc. Jpn. 85(2016) 094718.

2.

Order, disorder, and tunable gaps in the spectrum of Andreev bound states in a multiterminal superconducting device:
T. Yokoyama, J. Reutlinger, W. Belzig and Y. V. Nazarov, Phys. Rev. B 95 (2016) 045411.

† Joint research with outside partners.

ISSP Activity Report 2016

159

3.

*

4.

*

Electrical Conductivity through a Single Atomic Step Measured with the Proximity-Induced Superconducting Pair
Correlation: H. Kim, S.-Z. Lin, M. J. Graf, Y. Miyata, Y. Nagai, T. Kato and Y. Hasegawa, Phys. Rev. Lett. 117 (2016)
116802(1-5).

5.

Temperature-Driven and Electrochemical-Potential-Driven Adiabatic Pumping via a Quantum Dot: M. Hasegawa and
T. Kato, J. Phys. Soc. Jpn. 86 (2017) 024710.

6.

Quantum Fluctuations along Symmetry Crossover in a Kondo-Correlated Quantum Dot: M. Ferrier, T. Arakawa,
T. Hata, R. Fujiwara, R. Delagrange, R. Deblock, Y. Teratani, R. Sakano, A. Oguri and K. Kobayashi, Phys. Rev. Lett.
118 (2017) 196803.

Pressure dependence of the magnetic ground states in MnP: M. Matsuda, F. Ye, S. E. Dissanayake, J. -G. Cheng,
S. Chi, J. Ma, H. D. Zhou, J. -Q. Yan, S. Kasamatsu, O. Sugino, T. Kato, K. Matsubayashi, T. Okada and Y. Uwatoko,
Phys. Rev. B 93 (2016) 100405(1-5).

Division of Nanoscale Science
Katsumoto group
We have continued the study of the proximity superconductivity in a ferromagnetic semiconductor (In,Fe)As. The hysteretic
behavior of the critical current indicates that the spin-triplet type pairing is realized inside (In,Fe)As. On the other hand, aHeusler ferromagnet Co2FeSi does not show any proximity superconductivity probably due to the clean ferromagnet-superconductor interface. Microwave response of two-dimensional electrons in quantum Hall state has been studied. By applying
gate voltage and controlling the effective sample edge, previously-found absorption peaks are greatly enhanced, which result
manifest that the peaks correspond to the edge plasmon absorption.
1.

Introduction of Spin–Orbit Interaction into Graphene with Hydrogenation: T. Nakamura, J. Haruyama and S. Katsumoto, J. Phys. Soc. Jpn. 85 (2016) 105002.

2.

Spin polarization in the vicinity of quantum point contact with spin-orbit interaction: S. Kim, Y. Hashimoto,
T. Nakamura and S. Katsumoto, Phys. Rev. B 94 (2016) 125307.

3.

†

Gate-Tunable Atomically Thin Lateral MoS2 Schottky Junction Patterned by Electron Beam: Y. Katagiri, T. Nakamura,
A. Ishii, C. Ohata, M. Hasegawa, S. Katsumoto, T. Cusati, A. Fortunelli, G. Iannaccone, G. Fiori, S. Roche and
J. Haruyama, Nano Lett. 16 (2016) 3788-3794.

4.

Spin phase protection in interference of electron spin waves in lightly hydrogenated graphene: T. Kato, J. Kamijo,
T. Nakamura, C. Ohata, S. Katsumoto and J. Haruyama, RSC Adv. 6 (2016) 67586.

5.

†

6.

Two-carrier model on the magnetotransport of epitaxial graphene containing coexisting single-layer and bilayer areas:
A. Endo, J. Bao, W. Norimatsu, M. Kusunoki, S. Katsumoto and Y. Iye, Philos. Mag. 97 (2017) 1.

7.

†

Photoresponse in gate-tunable atomically thin lateral MoS 2 Schottky junction patterned by electron beam: Y. Katagiri,
T. Nakamura, C. Ohata, S. Katsumoto and J. Haruyama, Appl. Phys. Lett. 110 (2017) 143109.

Large edge magnetism in oxidized few-layer black phosphorus nanomeshes: Y. Nakanishi, A. Ishi, C. Ohata,
D. Soriano, R. Iwaki, K. Nomura, M. Hasegawa, T. Nakamura, S. Katsumoto, S. Roche and J. Haruyama, Nano Res. 10(2017) 718-728.

Otani group
This year we tried to expand our research activities toward spintronics utilizing more complex materials in collaboration withthe groups working on strongly correlated materials. For example, we have demonstrated magneto-chiral nonreciprocity ofvolume spin wave propagation in chiral-lattice ferromagnets and spin/charge interconversion using the surface state of topological insulator. We also examined systematically conventional spin Hall effects in Pt as a function of conductivity and foundthat the spin Hall effect of Pt is tunable. Apart from those, we newly found metal/Bi oxide interface provides an effective spin
momentum locking behavior which can be applied for detection of spin currents.
1.

Optimization of spin injection and spin detection in lateral nanostructures by geometrical means: O. Stejskal, J. Hamrle,
J. Pištora and Y. Otani, J. Magn. Magn. Mater. 414 (2016) 132.

* Joint research among groups within ISSP.

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2.

Magnetochiral nonreciprocity of volume spin wave propagation in chiral-lattice ferromagnets: S. Seki, Y. Okamura,
K. Kondou, K. Shibata, M. Kubota, R. Takagi, F. Kagawa, M. Kawasaki, G. Tatara, Y. Otani and Y. Tokura, Phys. Rev. B
93 (2016) 235131.

3.

Tuning the spin Hall effect of Pt from the moderately dirty to the superclean regime: E. Sagasta, Y. Omori, M. Isasa,
M. Gradhand, L. E. Hueso, Y. Niimi, Y. Otani and F. Casanova, Phys. Rev. B 94 (2016) 060412(R).

4.

Large magnetoresistance in Heusler-alloy-based epitaxial magnetic junctions with semiconducting Cu(In0.8Ga0.2)Se2
spacer: S. Kasai, Y. K. Takahashi, P. -H. Cheng, I. Ikhtiar, T. Ohkubo, K. Kondou, Y. Otani, S. Mitani and K. Hono,
Appl. Phys. Lett. 109 (2016) 032409.

5.

Observation of anisotropic energy transfer in magnetically coupled magnetic vortex pair: N. Hasegawa, S. Sugimoto,
D. Kumar, S. Barman, A. Barman, K. Kondou and Y. Otani, Appl. Phys. Lett. 108 (2016) 242402.

6.

Spin-current-driven thermoelectric generation based on interfacial spin-orbit coupling: A. Yagmur, S. Karube,
K. Uchida, K. Kondou, R. Iguchi, T. Kikkawa, Y. Otani and E. Saitoh, Appl. Phys. Lett. 108 (2016) 242409.

7.

Experimental observation of spin-to-charge current conversion at non-magnetic metal/Bi2O3 interfaces: S. Karube,
K. Kondou and Y. Otani, Appl. Phys. Express 9 (2016) 033001.

8.

Influence of inverse spin Hall effect in spin-torque ferromagnetic resonance measurements: K. Kondou, H. Sukegawa,S. Kasai, S. Mitani, Y. Niimi and Y. Otani, Appl. Phys. Express 9 (2016) 023002.

9.

Spin mixing conductance in Cu–Ir dilute alloys: S. Takizawa, M. Kimata, Y. Omori, Y. Niimi and Y. Otani, Appl. Phys.
Express 9 (2016) 063009.

10. Fermi-level-dependent charge-to-spin current conversion by Dirac surface states of topological insulators: K. Kondou,
R. Yoshimi, A. Tsukazaki, Y. Fukuma, J. Matsuno, K. S. Takahashi, M. Kawasaki, Y. Tokura and Y. Otani, Nature Phys.
12 (2016) 1027.
11. Shape- and Interface-Induced Control of Spin Dynamics of Two-Dimensional Bicomponent Magnonic Crystals:
S. Choudhury, S. Saha, R. Mandal, S. Barman, Y. Otani and A. Barman, ACS Appl. Mater. Interfaces 8 (2016) 18339.
12. Important role of magnetization precession angle measurement in inverse spin Hall effect induced by spin pumping:
S. Gupta, R. Medwal, D. Kodama, K. Kondou, Y. Otani and Y. Fukuma, Appl. Phys. Lett. 110 (2017) 022404.
13. スピントロニクス実験のコツ - スピン流の計測 -: 近藤 浩太 , 大谷 義近 , 応用物理 86 (2017) 139.
14. High output voltage of magnetic tunnel junctions with a Cu(In0.8Ga0.2)Se2 semiconducting barrier with a low resistance–area product: K. Mukaiyama, S. Kasai, Y. K. Takahashi, K. Kondou, Y. Otani, S. Mitani and K. Hono, Appl. Phys.
Express 10 (2017) 013008.
15. Spin pumping due to spin waves in magnetic vortex structure: N. Hasegawa, K. Kondou, M. Kimata and Y. Otani, Appl.
Phys. Express 10 (2017) 053002.
16. Voltage-induced magnetization dynamics in CoFeB/MgO/CoFeB magnetic tunnel junctions: K. Miura, S. Yabuuchi,
M. Yamada, M. Ichimura, B. Rana, S. Ogawa, H. Takahashi, Y. Fukuma and Y. Otani, Sci. Rep. 7 (2017) 42511.
17. Bias field tunable magnetic configuration and magnetization dynamics in Ni80Fe20 nano-cross structures with varying
arm length: K. Adhikari, S. Choudhury, R. Mandal, S. Barman, Y. Otani and A. Barman, Journal of Applied Physics 121(2017) 043909.

Komori group
Growth of hetero-epitaxial fcc Fe thin films is controlled by using a nanoscale strain-relief mechanism due to the substrate
step edges. The lattice expansion/compression caused by the steps is directly observed in atomic-scale STM images accompanied with the local change of the surface electronic states. Ammonia synthesis reaction by atomic hydrogen on the N-adsorbed
Cu surfaces was studied using STM. Presence of the clean Cu surface largely enhances the reaction probability owing to thehydrogen diffusion on the surface. Spin-direction of photoelectrons from spin-helical surface states is coherently controlled bylinearly-polarized excitation laser light for the Bi2Se3, Bi(0001) and Bi/Ag(111) surfaces. The direction is three-dimensionallydetected by a newly developed SARPES.
1.

†*

One-dimensional metallic surface states of Pt-induced atomic nanowires on Ge(001): K. Yaji, S. Kim, I. Mochizuki,
Y. Takeichi, Y. Ohtsubo, P. L. Fèvre, F. Bertran, A. Taleb-Ibrahimi, S. Shin and F. Komori, J. Phys.: Condens. Matter 28(2016) 284001(1-9).

† Joint research with outside partners.

ISSP Activity Report 2016

161

*

2.

Coherent control over three-dimensional spin polarization for the spin-orbit coupled surface state of Bi2Se3: K. Kuroda,
K. Yaji, M. Nakayama, A. Harasawa, Y. Ishida, S. Watanabe, C. -T. Chen, T. Kondo, F. Komori and S. Shin, Phys. Rev. B
94 (2016) 165162(R)(1-5).

3.

*

4.

†

5.

†

6.

*

7.

*

8.

Orbital Selectivity in Scanning Tunneling Microscopy: Distance-Dependent Tunneling Process Observed in Iron
Nitride: Y. Takahashi, T. Miyamachi, K. Ienaga, N. Kawamura, A. Ernst and F. Komori, Phys. Rev. Lett. 116 (2016)056802(1-5).

9.

†*Direct evidence of metallic bands in a monolayer boron sheet: B. Feng, J. Zhang, R.-Y. Liu, T. Iimori, C. Lian, H. Li,
L. Chen, K. Wu, S. Meng, F. Komori and I. Matsuda, Phys. Rev. B 94 (2016) 041408(1-5).
Epitaxially stabilized iron thin films via effective strain relief from steps: T. Miyamachi, S. Nakashima, S. Kim,
N. Kawamura, Y. Tatetsu, Y. Gohda, S. Tsuneyuki and F. Komori, Phys. Rev. B 94 (2016) 045439(1-5).

Graphene/SiC(0001) interface structures induced by Si intercalation and their influence on electronic properties ofgraphene: A. Visikovskiy, S.-I. Kimoto, T. Kajiwara, M. Yoshimura, T. Iimori, F. Komori and S. Tanaka, Phys. Rev. B 94
(2016) 245421(1-10).
Spin texture in type-II Weyl semimetal WTe2: B. Feng, Y.-H. Chan, Y. Feng, R.-Y. Liu, M.-Y. Chou, K. Kuroda, K.
Yaji, A. Harasawa, P. Moras, A. Barinov, W. Malaeb, C. Bareille, T. Kondo, S. Shin, F. Komori, T.-C. Chiang, Y. Shi and
I. Matsuda, Phys. Rev. B 94 (2016) 195134(1-5).
High-resolution three-dimensional spin- and angle-resolved photoelectron spectrometer using vacuum ultraviolet laser
light: K. Yaji, A. Harasawa, K. Kuroda, S. Toyohisa, M. Nakayama, Y. Ishida, A. Fukushima, S. Watanabe, C. Chen,
F. Komori and S. Shin, Rev. Sci. Instrum. 87 (2016) 053111(1-6).

Proving Nontrivial Topology of Pure Bismuth by Quantum Confinement: S. Ito, B. Feng, M. Arita, A. Takayama,
R. -Y. Liu, T. Someya, W. -C. Chen, T. Iimori, H. Namatame, M. Taniguchi, C. -M. Cheng, S. -J. Tang, F. Komori,
K. Kobayashi, T. -C. Chiang and I. Matsuda, Phys. Rev. Lett. 117 (2016) 236402(1-5).

10. †*Spin Polarization and Texture of the Fermi Arcs in the Weyl Fermion Semimetal TaAs: S.-Y. Xu, I. Belopolski,
D. S. Sanchez, M. Neupane, G. Chang, K. Yaji, Z. Yuan, C. Zhang, K. Kuroda, G. Bian, C. Guo, H. Lu, T.-R. Chang,
N. Alidoust, H. Zheng, C.-C. Lee, S.-M. Huang, C.-H. Hsu, H.-T. Jeng, A. Bansil, T. Neupert, F. Komori, T. Kondo,
S. Shin, H. Lin, S. Jia and M. Zahid Hasan, Phys. Rev. Lett. 116 (2016) 096801(1-7).
11. レーザー光励起スピン・角度分解光電子分光装置の開発 : 矢治光 一郎 , 表面科学 37 (2016) 19-24.
12. Ribbon-Like Nanopattern Formed on Nitrogen-Adsorbed Vicinal Cu(001): M. Yamada, N. Kawamura, K. Nakatsuji and
F. Komori, e-J. Surf. Sci. Nanotech. 14 (2016) 43-46.
13. *Photoelectrochemical water splitting enhanced by self-assembled metal nanopillars embedded in an oxide semiconductor photoelectrode: S. Kawasaki, R. Takahashi, T. Yamamoto, M. Kobayashi, H. Kumigashira, J. Yoshinobu,
F. Komori, A. Kudo and M. Lippmaa, Nat. Commun. 7 (2016) 11818(1-6).
14. †Effects of Pb Intercalation on the Structural and Electronic Properties of Epitaxial Graphene on SiC: A. Yurtsever,J. Onoda, T. Iimori, K. Niki, T. Miyamachi, M. Abe, S. Mizuno, S. Tanaka, F. Komori and Y. Sugimoto, Small 12 (2016)
3956–3966.
15. *Surface state of the dual topological insulator Bi Sb (112): I. Matsuda, K. Yaji, A. A. Taskin, M. D'angelo, R. Yukawa,
Y. Ohtsubo, P. Le Fèvre, F. Bertran, S. Yoshizawa, A. Taleb-Ibrahimi, A. Kakizaki, Y. Ando and F. Komori, Physica B
516 (2017) 100-104.
16. *Direct mapping of spin and orbital entangled wave functions under interband spin-orbit coupling of giant Rashba spinsplit surface states: R. Noguchi, K. Kuroda, K. Yaji, K. Kobayashi, M. Sakano, A. Harasawa, T. Kondo, F. Komori and
S. Shin, Phys. Rev. B 95 (2017) 041111(R)(1-6).
17. *Suppression of supercollision carrier cooling in high mobility graphene on SiC(000-1): T. Someya, H. Fukidome,
H. Watanabe, T. Yamamoto, M. Okada, H. Suzuki, Y. Ogawa, T. Iimori, N. Ishii, T. Kanai, K. Tashima, B. Feng,
S. Yamamoto, J. Itatani, F. Komori, K. Okazaki, S. Shin and I. Matsuda, Phys. Rev. B 95 (2017) 165303(1-7).
18. †*Dirac Fermions in Borophene: B. Feng, O. Sugino, R.-Y. Liu, J. Zhang, R. Yukawa, M. Kawamura, T. Iimori, H. Kim,
Y. Hasegawa, H. Li, L. Chen, K. Wu, H. Kumigashira, F. Komori, T.-C. Chiang, S. Meng and I. Matsuda, Phys. Rev.
Lett. 118 (2017) 096401(1-6).
19. STM observation of the chemical reaction of atomic hydrogen on the N-adsorbed Cu(001) surface: T. Hattori,
M. Yamada and F. Komori, Surf. Sci. 655 (2017) 1-6.

* Joint research among groups within ISSP.

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20. *Spin-dependent quantum interference in photoemission process from spin-orbit coupled states: K. Yaji, K. Kuroda,
S. Toyohisa, A. Harasawa, Y. Ishida, S. Watanabe, C. Chen, K. Kobayashi, F. Komori and S. Shin, Nat. Commun. 8(2017) 14588(1-6).
21. * ホウ素単原子シート「ボロフェン」：金属性とディラックフェルミオン : F. Baojie, 松田 巌 , 固体物理 (2017), in print.

Hasegawa group
Using scanning tunneling microscopy (STM) we investigated transport properties of a monolayer metallic thin film formed ona semiconductor substrate using superconducting pair correlation as a probing signal. The pair correlation was induced onto thetwo-dimensional (2D) metallic layer by locating superconducting materials on it. Tunneling spectra taken around the proximate
area provides information on how the pair correlation spread and decay from the super/normal interface and how step structures on the layer disturbs the spreading. Since these are closely related with electrical conductance, conductivity through themonoatomic layer and a atomic-high step can be estimated through the spatially resolved spectral measurements. We have taken
tunneling spectra at 2.1 K around superconducting Pb island structures formed on Pb-induced striped incommensurate phase; a
2D metallic layer formed on Si(111) substrate, and obtained the conductivity through the 2D layer and across a single atomicheight step. It turned out that the steps have a significant contribution to the total resistance even on a nominally flat surface,
and that macroscopic monolayer conductance, which includes the step conductance, is quite sensitive to a miscut angle of thesubstrate. We also demonstrate that a method of compressed sensing is quite effective to improve the quality of obtained results
and to save measurement time in the observation of quasi-particle interference (QPI) by STM. Since QPI provides momentumspace information on electronic states of samples, it is a very powerful tool to investigate the electronic states at very low
temperature and/or under magnetic field, where photoemission spectroscopy cannot be performed. The QPI measurement is,however, quite time-consuming; it takes a few days to a week for a single dataset. Utilizing the sparseness of the QPI signals in
momentum space, we performed a sparsity-inducing algorithm called least absolute shrinkage and selection operator (LASSO),
and demonstrated that LASSO recovers a circular QPI pattern of the Ag(111) surface from a dataset whose size is less than thatnecessary for the conventional Fourier transformation method. Our results demonstrate that the compressed sensing based on
the sparse modeling works well in the QPI analysis and that the concept and the procedure should be applied to various subjects
in condensed matter physics.
1.

Compressed Sensing in Scanning Tunneling Microscopy/Spectroscopy for Observation of Quasi-Particle Interference:
Y. Nakanishi-Ohno, M. Haze, Y. Yoshida, K. Hukushima, Y. Hasegawa and M. Okada, J. Phys. Soc. Jpn. 85 (2016)
093702(1-5).

2.

Direct visualization of surface phase of oxygen molecules physisorbed on Ag(111) surface: A two-dimensional quantum
spin system: S. Yamamoto, Y. Yoshida, H. Imada, Y. Kim and Y. Hasegawa, Phys. Rev. B 93 (2016) 081408(R)(1-5).

3.

Insensitivity of atomic point contact conductance to a moiré structure: H. Kim and Y. Hasegawa, Phys. Rev. B 93 (2016)
075409(1-6).

4.

Spatial variation in local work function as an origin of moiré contrast in scanning tunneling microscopy images of Pb
thin films/Si(111): H. Kim and Y. Hasegawa, Jpn. J. Appl. Phys. 55 (2016) 08NA03(1-7).

5.

*

6.

Electrical Conductivity through a Single Atomic Step Measured with the Proximity-Induced Superconducting Pair
Correlation: H. Kim, S.-Z. Lin, M. J. Graf, Y. Miyata, Y. Nagai, T. Kato and Y. Hasegawa, Phys. Rev. Lett. 117 (2016)
116802(1-5).
— —Superconducting proximity effect on a Rashba-split Pb/Ge(111)-β√ 3 ×√ 3 surface: H. Kim, Y. Miyata and Y. Hasegawa,Supercond. Sci. Technol. 29 (2016) 084006(1-6).

7.

Role of the substrate in the formation of chiral magnetic structures driven by the interfacial Dzyaloshinskii-Moriya
interaction: M. Haze, Y. Yoshida and Y. Hasegawa, Phys. Rev. B 95 (2017) 060415(1-5).

8.

†*

Dirac Fermions in Borophene: B. Feng, O. Sugino, R.-Y. Liu, J. Zhang, R. Yukawa, M. Kawamura, T. Iimori, H. Kim,
Y. Hasegawa, H. Li, L. Chen, K. Wu, H. Kumigashira, F. Komori, T.-C. Chiang, S. Meng and I. Matsuda, Phys. Rev.
Lett. 118 (2017) 096401(1-6).

Lippmaa group
Our recent work is related to the materials analysis and structural design of photoelectrode materials for photoelectrochemical
water splitting reactions. We have studied the process of optically excited d-state relaxation in oxides and discovered a relaxation path related magnetic order in MnO. This work may open a path to control the relaxation rate of excited d-states byexternal magnetic fields. Another topic is the design of self-organized nanostructures for constructing robust electrodes in oxidethin films to extract photogenerated carriers from a low-mobility oxide semiconductor. Rapid photocarrier recombination limits
the maximum achievable efficiency of photoelectrochemical reactions on photoelectrode surfaces because carriers generated† Joint research with outside partners.

ISSP Activity Report 2016163

deep in the semiconductor cannot be transported to the surface without trapping and recombination. Embedding metallic nanowires in an oxide matrix helps to reduce the necessary diffusion path length for excited carriers and thus improve the efficiency ofphoto-induced electrochemical reactions. We have demonstrated the growth of Ir metal nanopillars in SrTiO3 and showed thattubular Schottky junctions form around the nanopillars. Photocarriers generated in the Schottky depletion regions are quickly
separated and transported to the film surface through the metallic nanopillars.
1.

*

2.

*

3.

The effect of polar (111)-oriented SrTiO3 on initial perovskite growth: I. Hallsteinsen, M. Nord, T. Bolstad, P. -E.
Vullum, J. E. Boschker, P. Longo, R. Takahashi, R. Holmestad, M. Lippmaa and T. Tybell, Cryst. Growth Des. 16(2016) 2357-2362.

4.

*

Photoelectrochemical water splitting enhanced by self-assembled metal nanopillars embedded in an oxide semiconductor photoelectrode: S. Kawasaki, R. Takahashi, T. Yamamoto, M. Kobayashi, H. Kumigashira, J. Yoshinobu,
F. Komori, A. Kudo and M. Lippmaa, Nat. Commun. 7 (2016) 11818(1-6).

5.

Superconducting coupling across a spin-filtering manganite tunnel barrier with magnetic disorder: T. Harada, M. Matvejeff, R. Takahashi and M. Lippmaa, EPL 115 (2016) 67005.

6.

自己組織的に成長する単結晶性酸化物ナノ構造の新展開ー磁性体ナノ結晶とナノコンポジット水分解光電極を開発ー : 高橋
竜太 , リップ マーミック , 固体物理 52 (2017) 105-116.

7.

Microstructure analysis of IrO2 thin films: X. Hou, R. Takahashi, T. Yamamoto and M. Lippmaa, J. Cryst. Growth 462(2017) 24-28.

8.

†

Combinatorial screening of halide perovskite thin films and solar cells by mask-defined IR laser molecular beam
epitaxy: K. Kawashima, Y. Okamoto, O. Annayev, N. Toyokura, R. Takahashi, M. Lippmaa, K. Itaka, Y. Suzuki,
N. Matsuki and H. Koinuma, Sci. Tech. Adv. Mater. 18 (2017) 307.

9.

Intrinsic Superhydrophilicity of Titania-Terminated Surfaces: S. Kawasaki, E. Holmström, R. Takahashi, P. Spijker,
A. S. Foster, H. Onishi and M. Lippmaa, J. Phys. Chem. C 121 (2017) 2268-2275.

Optical pump-THz probe analysis of long-lived d-electrons and relaxation to self-trapped exciton states in MnO:
J. Nishitani, T. Nagashima, M. Lippmaa and T. Suemoto, Appl. Phys. Lett. 108 (2016) 162101(1-5).

Photoexcited d-electron dynamics in transition metal oxide MnO studied by optical pump-THz probe measurements:
J. Nishitani, T. Kurihara, A. Asahara, T. Nagashima, M. Lippmaa and T. Suemoto, Phys. Status Solidi C 13 (2016)
113-116.

10. Magnetic and Magnetodielectric Properties of Epitaxial Iron Vanadate Thin Films: D. Zhou, R. Takahashi, Y. Zhou, D.
Kim, V. K. Suresh, Y.-H. Chu, Q. He, P. Munroe, M. Lippmaa, J. Seidel and N. Valanoor, Adv. Electron. Mater. 3 (2017)
1600295(1-10).
11. Thermal Stable Sr2RuO4 Electrode for Oxide Heterostructures: R. Takahashi and M. Lippmaa, ACS Applied Materials& Interfaces (2017), accepted for publication.

Functional Materials Group
Yoshinobu group
We conducted several research projects in the fiscal year 2016. (1) The activation and hydrogenation of CO2 on clean and
Zn-deposited Cu(111) and Cu(997) surfaces studied by AP-XPS, IRAS, and TPD. (2) The surface chemistry of formic acid on
clean and Zn-deposited Cu(111) and Cu(997) surfaces studied by SR-PES, IRAS and TPD . (3) Spectroscopic characterizationof H-Cu(111), Zn-Cu(111), Pd-Cu and Pd-Ag surfaces by XPS. (4) Spectroscopic characterization of Pt atoms and clusters ongraphene using SR-XPS (5) LT-STM study of CO2 on Cu(997) (6) Independently driven four-probe conductivity measurementof organic thin films including pentacene etc. (7) Gas-exposure effects on single organic layer FET
1.

Observation of Fano line shapes in infrared vibrational spectra of CO2 adsorbed on Cu(997): T. Koitaya, Y. Shiozawa,K. Mukai, S. Yoshimoto and J. Yoshinobu, J. Chem. Phys. 144 (2016) 054703.

2.

The chemistry of simple alkene molecules on Si(100)c(4x2): the mechanism of cycloaddition and their selectivities:
K. Akagi and J. Yoshinobu, Surf. Sci. 652 (2016) 304-311.

3.

†

Mechanism of Olefin Hydrogenation Catalysis Driven by Palladium-Dissolved Hydrogen: S. Ohno, M. Wilde,
K. Mukai, J. Yoshinobu and K. Fukutani, J. Phys. Chem. C 120 (2016) 11481.

* Joint research among groups within ISSP.

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4.

*

5.

*

6.

Electronic states and electrical conductivity of the Si(111) native oxide surface adsorbed with electron donor
tetrakis(dimethylamino)ethylene: S. Yoshimoto, Y. Shiozawa, T. Koitaya, H. Noritake, K. Mukai and J. Yoshinobu,
Journal of Applied Physics 120 (2016) 085310.

7.

†

8.

*

9.

*

Photoelectrochemical water splitting enhanced by self-assembled metal nanopillars embedded in an oxide semiconductor photoelectrode: S. Kawasaki, R. Takahashi, T. Yamamoto, M. Kobayashi, H. Kumigashira, J. Yoshinobu,
F. Komori, A. Kudo and M. Lippmaa, Nat. Commun. 7 (2016) 11818(1-6).
Real-time observation of reaction processes of CO2 on Cu(997) by ambient-pressure X-ray photoelectron spectroscopy:
T. Koitaya, S. Yamamoto, Y. Shiozawa, K. Takeuchi, R.-Y. Liu, K. Mukai, S. Yoshimoto, K. Akikubo, I. Matsuda andJ. Yoshinobu, Topic in Catalysis 59 (2016) 526-531.

Direct observation of the electron-phonon coupling between empty states in graphite via high-resolution electronenergy loss spectroscopy: S.-I. Tanaka, K. Mukai and J. Yoshinobu, Phys. Rev. B 95 (2017) 165408.
Single-particle excitation of core states in epitaxial silicene: C.-C. Lee, J. Yoshinobu, K. Mukai, S. Yoshimoto, H. Ueda,
A. Fleurence, Y. Yamada-Takamura and T. Ozaki, Phys. Rev. B 95 (2017) 115437.

Adsorption of CO2 on Graphene: A Combined TPD, XPS, and vdW-DF Study: K. Takeuchi, S. Yamamoto,Y. Hamamoto, Y. Shiozawa, K. Tashima, H. Fukidome, T. Koitaya, K. Mukai, S. Yoshimoto, M. Suemitsu, Y. Morikawa,J. Yoshinobu and I. Matsuda, J. Phys. Chem. C 121 (2017) 2807.

10. *CO2 adsorption on graphene studied by TPD and DFT calculation with van der Waals density functional: K. Takeuchi,
S. Yamamoto, Y. Hamamoto, Y. Shiozawa, K. Tashima, H. Fukidome, T. Koitaya, K. Mukai, S. Yoshimoto, M. Suemitsu,
Y. Morikawa, J. Yoshinobu and I. Matsuda, J. Phys. Chem. C 121 (2017) 2807-2814.
11. †"Electronic states and growth modes of Zn atoms deposited on Cu(111) studied by XPS, UPS and DFT": T. Koitaya,
Y. Shiozawa, Y. Yoshikura, K. Mukai, S. Yoshimoto, S. Torii, F. Muttaqien, Y. Hamamoto, K. Inagaki, Y. Morikawa andJ. Yoshinobu, Surface Science 663 (2017)1–10.

Akiyama group
In 2016, we improved accuracy of absolute electroluminescence-efficiency measurements for multi-junction solar cells bydeveloping an integration-sphere total-flux characterization system. We started time-resolved photo-emission spectroscopy ofsolar cells. We studied pico- and femto-second short-pulse generation via gain switching in semiconductor lasers via opticalpumping and current injection. We studied photo-cleavage and damages of caged luciferins. We made intensive studies ontheoretical quantum-chemistry and molecular-dynamics calculations on oxyluciferins and related molecule systems.
1.

Solar-cell radiance standard for absolute electroluminescence measurements and open-circuit voltage mapping ofsilicon solar modules: T. Mochizuki, C. Kim, M. Yoshita, J. Mitchell, Z. Lin, S. Chen, H. Takato, Y. Kanemitsu and
H. Akiyama, J. Appl. Phys. 119 (2016) 034501.

2.

†*

3.

Conversion efficiency limits and bandgap designs for multi-junction solar cells with internal radiative efficiencies below
unity: L. Zhu, T. Mochizuki, M. Yoshita, S. Chen, C. Kim, H. Akiyama and Y. Kanemitsu, Opt. Express 24 (2016)
A740-A751.

4.

Internal luminescence efficiencies in InGaP/GaAs/Ge triple-junction solar cells evaluated from photoluminescencethrough optical coupling between subcells: D. M. Tex, M. Imaizumi, H. Akiyama and Y. Kanemitsu, Sci. Rep. 6 (2016)
38297.

5.

Sub-Cycle Optical Response Caused by Dressed State with Phase-Locked Wavefunctions: K. Uchida, T. Otobe,
T. Mochizuki, C. Kim, M. Yoshita, H. Akiyama, L. N. Pfeiffer, K. W. West, K. Tanaka and H. Hirori, Phys. Rev. Lett 117(2016) 277402.

6.

*

7.

Characterizations of Radiation Damage in Multijunction Solar Cells Focused on Subcell Internal Luminescence
Quantum Yields via Absolute Electroluminescence Measurements: L. Zhu, M. Yoshita, S. Chen, T. Nakamura,
T. Mochizuki, C. Kim, M. Imaizumi, Y. Kanemitsu and H. Akiyama, IEEE J. Photovoltaics 6 (2016) 777-782.

8.

ホタル生物発光と反応経路 : 樋山みやび , IQCE_NEWS 036 (2016) 1.

Reverse Stability of Oxyluciferin Isomers in Aqueous Solutions: Y. Noguchi, M. Hiyama, M. Shiga, O. Sugino and
H. Akiyama, J. Phys. Chem. B 120 (2016) 8776-8783.

High-precision group-delay dispersion measurements of optical fibers via fingerprint-spectral wavelength-to-time
mapping: T. Ito, O. Slezak, M. Yoshita, H. Akiyama and Y. Kobayashi, Photon. Res. 4 (2016) 13-16.

† Joint research with outside partners.

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9.

Diagnosis of GaInAs/GaAsP multiple quantum well solar cells with Bragg reflectors via absolute electroluminescenc:
L. Zhu, M. Yoshita, J. Tsai, Y. Wang, C. Hong, G. Chi, C. Kim, P. Yu and H. Akiyama, IEEE Journal of Photovoltaics 7(2017) 781 - 786.

10. Sensitive monitoring of photocarrier densities in the active layer of a photovoltaic device with time-resolved terahertz
reflection spectroscopy: G. Yamashita, E. Matsubara, M. Nagai, C. Kim, H. Akiyama, Y. Kanemitsu and M. Ashida,Appl. Phys. Lett 110 (2017) 071108.
11. Effect of dynamical fluctuations of hydration structures on the absorption spectra of oxyluciferin anions in aqueous
solution: M. Hiyama, M. Shiga, N. Koga, O. Sugino, H. Akiyama and Y. Noguchi, Phys. Chem. Chem. Phys 19 (2017)
10028-10035.
12. Theoretical insights into the effect of pH values on oxidation processes in the emission of firefly luciferin in aqueous
solution: M. Hiyama, H. Akiyama and N. Koga, Luminescence (2017), accepted for publication.
13. Accuracy Evaluations for Standardization of Multi-Junction Solar-Cell Characterizations via Absolute Electroluminescence: M. Yoshita, L. Zhu, C. Kim, H. Kubota, T. Nakamura, M. Imaizumi, Y. Kanemitsu and H. Akiyama, in: Proceedings of the 43rd IEEE Photovoltaic Specialists Conference (IEEE, 2016), 3570-3573.
14. Calibration standards and measurement accuracy of absolute electroluminescence and internal properties in multijunction and arrayed solar cells: M. Yoshita, L. Zhu, C. Kim, T. Mochizuki, T. Nakamura, M. Imaizumi, S. Chen,
H. Kubota, Y. Kanemitsu and H. Akiyama, in: Proc. SPIE, Vol. 9743 (Photonics West, 2016), 97430D1-6.
15. Characterization and modeling of radiation damages via internal radiative efficiency in multi-junction solar cells:
L. Zhu, M. Yoshita, T. Nakamura, M. Imaizumi, C. Kim, T. Mochizuki, S. Chen, Y. Kanemitsu and H. Akiyama, in:Proc. SPIE, Vol. 9743 (Photonics West, 2016), 97430U1-7.
16. Current leakage and fill factor in multi-junction solar cells linked via absolute electroluminescence characterization:
L. Zhu, M. Yoshita, T. Nakamura, T. Mochizuki, C. Kim, M. Imaizumi, Y. Kanemitsu and H. Akiyama, in: Proceedingsof the 43rd Photovoltaic Specialists Conference (IEEE, 2016), 1239-1243.

Sugino group
We have done first-principles study of materials. On the basis of the many-body Green's function method for excited states, wehave developed a method for classifying excitons in a molecule which is shown particularly important for designing luminescence materials. We have also developed a wave function theory on the basis of a tensor decomposition method and, as a firststep, we successfully approached a magnetic single-impurity problem. Using the density functional theory, we have studied
topological materials, magnetism under high pressure, and bioluminescence.
1.

†

2.

*

Pressure dependence of the magnetic ground states in MnP: M. Matsuda, F. Ye, S. E. Dissanayake, J. -G. Cheng,
S. Chi, J. Ma, H. D. Zhou, J. -Q. Yan, S. Kasamatsu, O. Sugino, T. Kato, K. Matsubayashi, T. Okada and Y. Uwatoko,
Phys. Rev. B 93 (2016) 100405(1-5).

3.

†*

4.

Four-body correlation embedded in antisymmetrized geminal power wave function: A. Kawasaki and O. Sugino,
J. Chem. Phys. 145 (2016) 244110.

5.

†

6.

Physical Model at the Electrode-Electrolyte Interface: O. Sugino, Lecture Notes in Energy 32 (2016) 93.

7.

†

8.

†*

9.

Molecular size insensitivity of optical gap of [n] cycloparaphenylenes (n= 3-16): Y. Noguchi and O. Sugino, J. Chem.
Phys. 146 (2017) 144304.

GWΓ + Bethe-Salpeter equation approach for photoabsorption spectra: Importance of self-consistent GWΓ calculations
in small atomic systems: R. Kuwahara, Y. Noguchi and K. Ohno, Phys. Rev. B 94 (2016) 121116.

Reverse Stability of Oxyluciferin Isomers in Aqueous Solutions: Y. Noguchi, M. Hiyama, M. Shiga, O. Sugino and
H. Akiyama, J. Phys. Chem. B 120 (2016) 8776-8783.

Emergence of Negative Capacitance in Multidomain Ferroelectric-Paraelectric Nanocapacitors at Finite Bias:
S. Kasamatsu, S. Watanabe, C. S. Hwang and S. Han, Adv. Mater. 28 (2016) 335.

Erratum: Improved modeling of electrified interfaces using the effective screening medium method [Phys. Rev. B 88 ,
155427 (2013)]: I. Hamada, O. Sugino, N. Bonnet and M. Otani, Phys. Rev. B 95 (2017) 119901.
Dirac Fermions in Borophene: B. Feng, O. Sugino, R.-Y. Liu, J. Zhang, R. Yukawa, M. Kawamura, T. Iimori, H. Kim,
Y. Hasegawa, H. Li, L. Chen, K. Wu, H. Kumigashira, F. Komori, T.-C. Chiang, S. Meng and I. Matsuda, Phys. Rev.
Lett. 118 (2017) 096401(1-6).

* Joint research among groups within ISSP.

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10. Quantitative characterization of exciton from GW +Bethe-Salpeter calculation: D. Hirose, Y. Noguchi and O. Sugino,
J. Chem. Phys. 146 (2017) 044303.
11. * ホウ素単原子シート「ボロフェン」：金属性とディラックフェルミオン : F. Baojie, 松田 巌 , 固体物理 (2017), in print.

Quantum Materials Group
Oshikawa group
We studied a wide range of problems in quantum condensed matter theory. In particular, we have proposed a new possibilityof realizing and designing Kitaev spin liquid in materials, using Metal-Organic Frameworks. Kitaev discovered a remarkable
exactly solvable spin model, which has an exotic spin liquid state as the ground state. With its bond-dependent Ising interaction, initially it was regarded as just a theoretical toy model. This perception was changed by Jackeli and Khaliullin, who foundthat such interactions can naturally arise from spin-orbit interaction in iridates. This led to a flurry of attempts of experimental
realization of Kitaev spin liquid in iridates and RbCl3. However, unfortunately, in these materials a sizable Heisenberg antiferromagnetic interaction arises from the direct exchange, resulting in a non-spin liquid ground state. We proposed a novel strategy
of using Metal-Organic Frameworks to realize Kitaev spin liquid, and gave supporting theoretical evidences. While it is also
based on Jackeli-Khaliullin mechanism, it has advantages in a natural suppression of direct exchanges and in its flexibility andtunability. In particular, it can lead to realization of a variety of three-dimensional Kitaev spin liquids.
1.

†

2.

†

3.

†

4.

†

5.

Fractional quantum Hall states of dipolar fermions in a strained optical lattice: H. Fujita, Y. O. Nakagawa, Y. Ashida andS. Furukawa, Phys. Rev. A 94 (2016) 043641.

6.

Spin gravitational resonance and graviton detection: J. Q. Quach, Phys. Rev. D 93 (2016) 104048(1-6).

7.

Field‐free, spin‐current control of magnetization in non‐collinear chiral antiferromagnets: H. Fujita, Phys. Status Solidi
RRL 11 (2016) 1600360.

8.

†

Magnetism in f-electron superlattices: R. Peters, Y. Tada and N. Kawakami, Physical Review B 94 (2016) 205142(1-6).

9.

†

Two No-Go Theorems on Superconductivity: Y. Tada and T. Koma, Journal of Statistical Physics 165 (2016) 455-470.

First-principles design of a half-filled flat band of the kagome lattice in two-dimensional metal-organic frameworks:
M. G. Yamada, T. Soejima, N. Tsuji, D. Hirai, M. Dinca and H. Aoki, Phys. Rev. B 94 (2016) 081102(R).
Flux quench in a system of interacting spinless fermions in one dimension: Y. O. Nakagawa, G. Misguich and
M. Oshikawa, Phys. Rev. B 93 (2016) 174310.

Magnetism and superconductivity in ferromagnetic heavy-fermion system UCoGe under in-plane magnetic fields:
Y. Tada, S. Takayoshi and S. Fujimoto, Phys. Rev. B 93 (2016) 174512(1-7).
Plaquette order in the SU(6) Heisenberg model on the honeycomb lattice: P. Nataf, M. Lajkó, P. Corboz, A. M. Läuchli,
K. Penc and F. Mila, Phys. Rev. B 93 (2016) 201113(R)(1-6).

10. †Finite-size scaling of the Shannon-Rényi entropy in two-dimensional systems with spontaneously broken continuous
symmetry: G. Misguich, V. Pasquier and M. Oshikawa, Phys. Rev. B 95 (2017) 195161.
11. †Symmetry Protection of Critical Phases and a Global Anomaly in 1+1 Dimensions: S. C. Furuya and M. Oshikawa,Phys. Rev. Lett. 118 (2017) 021601.
12. Ultrafast generation of skyrmionic defects with vortex beams: Printing laser profiles on magnets: H. Fujita and M. Sato,
Physical Review B 95 (2017) 054421.
13. 量子異常と物性物理 ( 特集 物理科学 , この 1 年 ) - ( 素粒子物理 ): 押川 正毅 , パリティ 31 (2016) 43-45.
14. 物性物理と場の量子論 ～場の量子論が明かす双対性～ : 押川 正毅 , 数理科学 633 (2016) 41-46.
15. † 遠方見聞録 : 山田 昌彦 ,「東京大学理学系研究科・理学部ニュース 2016 年 9 月号」, 理学系研究科広報委員会所属
広報誌編集委員会 , ( 東京大学大学院理学系研究科・理学部 , 2016), 7-7.

Nakatsuji group
Our group explores novel quantum phases and phase transitions in rare-earth and transition metal based compounds. The† Joint research with outside partners.

ISSP Activity Report 2016167

followings are some relevant results obtained in 2016. (1) We discovered second example of an antiferromagnet that exhibits theanomalous Hall effect at room temperature, the chiral antiferromagnet Mn3Ge. (2) The quantum criticality at ambient pressurein β-YbAlB4 can be transformed into a magnetic state whose transition temperature reaches a record high value exceeding
30 K. (3) Our thermodynamic and muSR studies have revealed highly frustrated magnetism with significant quantum fluctuations in the Heisenberg spinel antiferromagnet CdYb2S4 (4) Our neutron diffraction experiments in collaboration has revealed
that disorder in the pyrochlore lattice plays an important role to enhance quantum fluctuations to stabilize a quantum Coulombic
phase formed in a quantum spin ice candidate Pr2Zr2O7.
1.

Multiband electronic transport in α-Yb1-xSrxAlB4[x=0, 0.19(3)] single crystals: H. Ryu, M. Abeykoon, E. Bozin,
Y. Matsumoto, S. Nakatsuji and C. Petrovic, J. Phys.: Condens. Matter 28 (2016) 425602.

2.

*

NMR Observation of Ferro-Quadrupole Order in PrTi2Al20: T. Taniguchi, M. Yoshida, H. Takeda, M. Takigawa,
M. Tsujimoto, A. Sakai, Y. Matsumoto and S. Nakatsuji, J. Phys. Soc. Jpn. 85 (2016) 113703(1-4).

3.

Pressure-Induced Local Structural Changes in Heavy Fermion β-YbAlB4: Y. Sakaguchi, S. Ikeda, K. Kuga, S. Suzuki,
S. Nakatsuji, N. Hirao, Y. Ohishi and H. Kobayashi, J. Phys. Soc. Jpn. 85 (2016) 023602.

4.

Strong orbital fluctuations in multipolar ordered states of PrV2Al20: Y. Matsumoto, M. Tsujimoto, T. Tomita, A. Sakaiand S. Nakatsuji, J. Magn. Magn. Mater. 400 (2016) 66.

5.

Chemical and orbital fluctuations in Ba3CuSb2O9: Y. Wakabayashi, D. Nakajima, Y. Ishiguro, K. Kimura, T. Kimura,
S. Tsutsui, A. Q. R. Baron, K. Hayashi, N. Happo, S. Hosokawa, K. Ohwada and S. Nakatsuji, Phys. Rev. B 93 (2016)
245117.

6.

Collective versus local Jahn-Teller distortion in Ba3CuS2O9: Raman scattering study: N. Drichko, C. Broholm,
K. Kimura, R. Ishii and S. Nakasutjio, Phys. Rev. B 93 (2016) 184425(1-7).

7.

Field-induced quadrupolar quantum criticality in PrV2Al20: Y. Shimura, M. Tsujimoto, B. Zeng, L. Balicas, A. Sakai and
S. Nakatsuji, Phys. Rev. B 91 (2016) 241102(1-5).

8.

*

9.

Quantum criticality and inhomogeneous magnetic order in Fe-doped α-YbAlB4: D. E. MacLaughlin, K. Kuga, L. Shu,
O. O. Bernal, P. -C. Ho, S. Nakatsuji, K. Huang, Z. F. Ding, C. Tan and J. Zhang, Phys. Rev. B 93 (2016) 214421.

Low-energy excitations and ground-state selection in the quantum breathing pyrochlore antiferromagnet
Ba3Yb2Zn5O11: T. Haku, K. Kimura, Y. Matsumoto, M. Soda, M. Sera, D. Yu, R. A. Mole, T. Takeuchi, S. Nakatsuji,
Y. Kono, T. Sakakibara, L. -J. Chang and T. Masuda, Phys. Rev. B 93 (2016) 220407(1-5).

10. Dimensional Reduction in Quantum Dipolar Antiferromagnets: P. Babkevich, M. Jeong, Y. Matsumoto, I. Kovacevic,
A. Finco, R. Toft-Petersen, C. Ritter, M. Månsson, S. Nakatsuji and H. M. Rønnow, Phys. Rev. Lett. 116 (2016) 197202.
11. †*Slater to Mott Crossover in the Metal to Insulator Transition of Nd2Ir2O7: M. Nakayama, T. Kondo, Z. Tian, J. J.
Ishikawa, M. Halim, C. Bareille, W. Malaeb, K. Kuroda, T. Tomita, S. Ideta, K. Tanaka, M. Matsunami, S. Kimura,
N. Inami, K. Ono, H. Kumigashira, L. Balents, S. Nakatsuji and S. Shin, Phys. Rev. Lett. 117 (2016) 05640(1-6).
12. Large anomalous Hall effect in a non-collinear antiferromagnet at room temperature: S. Nakatsuji, N. Kiyohara and
T. Higo, Nature 527 (2016) 212-215.
13. *Experimental exploration of novel semimetal state in strong anisotropic Pyrochlore iridate Nd2lr2O7 under highmagnetic field: Z. M. Tian, Y. Kohama, T. Tomita, J. Ishikawa, H. Mairo, K. Kindo and S. Nakatsuji, J. Phys.: Conf. Ser.
683 (2016) 012024(6).
14. *Frustrated magnetism in a Mott insulator based on a transition metal chalcogenide: S. Kawamoto, T. Higo, T. Tomita,
S. Suzuki, Z. M. Tian, K. Mochitzuki, A. Matsuo, K. Kindo and S. Nakatsuji, J. Phys.: Conf. Ser. 683 (2016) 012025(4).
15. Heavy Fermion Superconductivity in Non-magnetic Cage Compound PrV 2 Al 20: Y. Matsumoto, M. Tsujimoto,T. Tomita, A. Sakai and S. Nakatsuji, J. Phys.: Conf. Ser. 683 (2016) 012013(1-8).
16. High Magnetic Transition Temperature and Semiconductor like Transport Properties of Mn-doped α-YbAlB4:
S. Suzuki, T. Tomita, Y. Shimura, K. Kuga, Y. Matsumoto and S. Nakatsuji, J. Phys.: Conf. Ser. 683 (2016) 012009(1-6).
17. Low-temperature thermal expansion measurements in PrV 2 Al 20: A. Magata, Y. Matsumoto, M. Tsujimoto, T. Tomita,
R. Kiichler, A. Sakai and S. Nakatsuji, J. Phys.: Conf. Ser. 683 (2016) 012014(1-5).
18. Magnetic and Transport Properties of Frustrated γ-MnPd alloys: T. Higo, N. Kiyohara, K. Iritani, A. A. Nugroho,
T. Tomita and S. Nakatsuji, J. Phys.: Conf. Ser. 683 (2016) 012026(1-5).
19. *Quantum Criticality Beneath the Superconducting Dome in β-YbAlB4: T. Tomita, K. Kuga, Y. Uwatoko and S. Nakatsuji, J. Phys.: Conf. Ser. 683 (2016) 012007(1-5).
* Joint research among groups within ISSP.

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20. *Single crystal 27Al-NMR study of the cubic Γ3 ground doublet system PrTi2Al20: T. Taniguchi, M. Yoshida, H. Takeda,
M. Takigawa, M. Tsujimoto, A. Sakai, Y. Matsumoto and S. Nakatsuji, J. Phys.: Conf. Ser. 683 (2016) 012016(1-9).
21. *Site-selective 11B NMR studies on YbAlB4: S. Takano, M. S. Grbic, K. Kimura, M. Yoshida, M. Takigawa, E. C. T. O.
Farrell, K. Kuga, S. Nakatsuji and H. Harima, J. Phys.: Conf. Ser. 683 (2016) 012008(1-6).
22. Very Low Temperature Magnetoresistance in the Quadrupole Ordered System PrV 2 Al 20: Y. Shimura, M. Tsujimoto,
B. Zeng, Q. Zhang, L. Balicas, A. Sakai and S. Nakatsuji, J. Phys.: Conf. Ser. 683 (2016) 012012(1-4).
23. Giant Anomalous Hall Effect in the Chiral Antiferromagnet Mn3Ge: N. Kiyohara, T. Tomita and S. Nakatsuji, Phys.
Rev. Applied 5 (2016) 064009.
24. †*Lifetime-Broadening-Suppressed X-ray Absorption Spectrum of β-YbAlB4 Deduced from Yb 3d → 2p Resonant
X-ray Emission Spectroscopy: N. Kawamura, N. Kanai, H. Hayashi, Y. H. Matsuda, M. Mizumaki, K. Kuga, S. Nakatsuji and S. Watanabe, J. Phys. Soc. Jpn. 86 (2017) 014711(1-7).
25. Lifetime-Broadening-Suppressed X-ray Absorption Spectrum of β-YbAlB4 Deduced from Yb 3d → 2p Resonant X-ray
Emission Spectroscopy: N. Kawamura, N. Kanai, H. Hayashi, Y. H. Matsuda, M. Mizumaki, K. Kuga, S. Nakatsuji and
S. Watanabe, J. Phys. Soc. Jpn. 86 (2017) 014711.
26. Intact quasiparticles at an unconventional quantum critical point: M. L. Sutherland, E. C. T. O’Farrell, W. H. Toews,
J. Dunn, 3. K. Kuga, S. Nakatsuji, Y. Machida, K. Izawa and R. W. Hill, Phys. Rev. B 92 (2017) 041114(1-5).
27. Disordered Route to the Coulomb Quantum Spin Liquid: Random Transverse Fields on Spin Ice in Pr2Zr2O7: J. -J. Wen,
S. M. Koohpayeh, K. A. Ross, B. A. Trump, T. M. McQueen, K. Kimura, S. Nakatsuji, Y. Qiu, D. M. Pajerowski, J. R.
D. Copley and C. L. Broholm, Phys. Rev. Lett. 118 (2017) 107206.
28. *Thermal Hall Effect in a Phonon-Glass Ba3CuSb2O9: K. Sugii, M. Shimozawa, D. Watanabe, Y. Suzuki, M. Halim,
M. Kimata, Y. Matsumoto, S. Nakatsuji and M. Yamashita, Phys. Rev. Lett. 118 (2017) 145902.
29. 反強磁性体における巨大異常ホール効果 : 中辻 知 , 応用物理 第 86 巻 第 4 号 (2017) 310-314.
30. *Orthogonal magnetization and symmetry breaking in pyrochlore iridate Eu2Ir2O7: T. Liang, T. H. Hsieh, J. J. Ishikawa,
S. Nakatsuji, L. Fu and N. P. Ong, Nature Phys. 13 (2017) 599-603.
31. Anisotropic Thermal Expansion of α-YbAlB4: Y. Matsumoto, K. Kuga, T. Tomita, R. Küchler and S. Nakatsuji, J. Phys.:Conf. Ser. 807 (2017) 022005.
32. Specific heat and electrical resistivity at magnetic fields in antiferromagnetic heavy fermion CeAl 2: T. Ebihara,
M. Tsuchiya, Y. Saitoh, J. Jatmika, M. Tsujimoto, Y. Shimura, Y. Matsumoto and S. Nakatsuji, J. Phys.: Conf. Ser. 807(2017) 012011.
33. Large anomalous Hall effect in a non-collinear antiferromagnet at room temperature: S. Nakatsuji1 and 2. Naoki
Kiyohara1 & Tomoya Higo1, Macmillan Publishers Limited 527 (2017) 212-215.
34. Frustrated magnetism in the Heisenberg pyrochlore antiferromagnets AYb2X4 (A = Cd, Mg, X = S, Se): T. Higo,
K. Iritani, M. Halim, W. Higemoto, T. U. Ito, K. Kuga, K. Kimura and S. Nakatsuji, Phys. Rev. B (2017), in print.
35. * パイロクロア型イリジウム酸化物 Nd2Ir2O7 における磁場印加方向に敏感な金属 - 絶縁体転移 : 小濱 芳允 , Z. Tian,
冨田 崇弘 , 石川 洵 , 金道 浩一 , 石塚 大晃 , 中辻 知 , 固体物理 51 (2016) 339-355.
36. 強相関電子系の物質開発：序説 : 中辻 知 ,「物性科学ハンドブック - 概念・現象・物質」, 13, 家 泰弘 , 高田康民 , ( 朝
倉書店 , 2016), 929-931.
37. 金属間化合物における強相関電子系：重い電子系 : 中辻 知 ,「物性科学ハンドブック - 概念・現象・物質」, 13.3, 家 泰弘、
高田康民 , ( 朝倉書店 , 2016), 989-1007.

Materials Design and Characterization Laboratory
Hiroi group
The ferromagnetic and conducting magnetic domain walls in the all-in/all-out order of Cd2Os2O7 are studied. The superconductivity and multipolar phase transitions of the pyrochlore oxide Cd2Re2O7 are revisited. Many frustrated spin systems are studied.
CdK [CdCu3(OH)6(NO3)2·H2O] is a structurally perfect kagome antiferromagnet crystallizing in the kapellasite-type. An† Joint research with outside partners.

ISSP Activity Report 2016

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antiferromagnetic order accompanied by a small spontaneous magnetization that surprisingly is confined in the kagome planesets in at TN ∼ 4 K, well below the nearest-neighbor exchange interaction J/kB = 45 K. This suggests that a unique “q = 0” type
120° spin structure with “negative” (downward) vector chirality, which breaks the underlying threefold rotational symmetryof the kagome lattice and thus allows a spin canting within the plane, is exceptionally realized in this compound rather than acommon one with “positive” (upward) vector chirality. The origin is discussed in terms of the Dzyaloshinskii-Moriya interaction. The quasi-1D antiferromagnet NaCuMoO4(OH), which comprises edge-sharing CuO2 chains, is shown to be a goodcandidate for the frustrated J1–J2 chain model with J1 = 51 K and J2 = 36 K. We are now looking for evidence of a spin nematicstate expected just below the saturation field of 26 T. AMoOPO4Cl (A = K, Rb) with Mo5+ ions in the 4d1 electronic configuration are good model compounds for the spin-1/2 J1–J2 square-lattice magnet. Magnetic transitions are observed at around 6 and
8 K in the K and Rb compounds, respectively. In contrast to the normal Néel-type antiferromagnetic order, the NMR andneutron diffraction experiments find a columnar antiferromagnetic order for each compound, which is stabilized by a dominant
antiferromagnetic J2. Both compounds realize the unusual case of two interpenetrating J2 square lattices weakly coupled to eachother by J1.
1.

†*

2.

*

Emergence of nontrivial magnetic excitations in a spin-liquid state of kagomé volborthite: D. Watanabe, K. Sugii,
M. Shimozawa, Y. Suzuki, T. Yajima, H. Ishikawa, Z. Hiroi, T. Shibauchi, Y. Matsuda and M. Yamashita, Proc. Natl.
Acad. Sci. U.S.A. 113 (2016) 8653.

3.

†*

4.

†*

5.

†*

6.

J1−J2 square-lattice Heisenberg antiferromagnets with 4d 1 spins: AMoOPO4Cl (A = K, Rb): H. Ishikawa,N. Nakamura, M. Yoshida, M. Takigawa, P. Babkevich, N. Qureshi, H. M. Rønnow, T. Yajima and Z. Hiroi, Phys. Rev. B
95 (2017) 064408.

7.

*

8.

Successive spatial symmetry breaking under high pressure in the spin-orbit-coupled metal Cd2Re2O7: J.-I. Yamaura,
K. Takeda, Y. Ikeda, N. Hirao, Y. Ohishi, T. C. Kobayashi and Z. Hiroi, Phys. Rev. B 95 (2017) 020102.

9.

*

Pressure-induced non-superconducting phase of β-Na0.33V2O5 and the mechanism of high-pressure phase transitionsin β-Na0.33V2O5 and β-Li0.33V2O5 at room temperature: A. Grzechnik, Y. Ueda, T. Yamauchi, M. Hanfland, P. Hering,
V. Potapkin and K. Friese, J. Phys.: Condens. Matter 28 (2016) 035401(1-9).

Hybrid Amine-Functionalized Graphene Oxide as a Robust Bifunctional Catalyst for Atmospheric Pressure Fixationof Carbon Dioxide using Cyclic Carbonates: V. B. Saptal, T. Sasaki, K. Harada, D. Nishio-Hamane and B. M. Bhanage,
ChemSusChem 9 (2016) 644.
Light and SEM observation of opal phytoliths in the mulberry leaf: O. Tsutsui, R. Sakamoto, M. Obayashi,
S. Yamakawa, T. Handa, D. Nishio-Hamane and I. Matsuda, Flora 218 (2016) 44-50.
Bunnoite, a new hydrous manganese aluminosilicate from Kamo Mountain, Kochi prefecture, Japan: D. NishioHamane, K. Momma, R. Miyawaki and T. Minakawa, Miner Petrol 110 (2016) 917.

Magnetic transitions under ultrahigh magnetic fields of up to 130 T in the breathing pyrochlore antiferromagnet
LiInCr4O8: Y. Okamoto, D. Nakamura, A. Miyake, S. Takeyama, M. Tokunaga, A. Matsuo, K. Kindo and Z. Hiroi, Phys.
Rev. B 95 (2017) 134438.

Weak ferromagnetic order breaking the threefold rotational symmetry of the underlying kagome lattice in
CdCu3(OH)6(NO3)2⋅H2O: R. Okuma, T. Yajima, D. Nishio-Hamane, T. Okubo and Z. Hiroi, Phys. Rev. B 95 (2017)094427.

10. Robust ferromagnetism carried by antiferromagnetic domain walls: H. T. Hirose, J.-I. Yamaura and Z. Hiroi, Sci. Rep. 7(2017) 42440.
11. *Post-Cotunnite Phase Transition in Zirconia at High Pressure: D. Nishio-Hamane, in: Photon Factory Highlights 2015
(KEK, 2016), 38-39.

Kawashima group
We have been investigating quantum spin/boson systems and frustrated systems by means of large-scale numerical simulation. We also develop new numerical techniques. Our group's activities of 2016 include: (1) development of the tensor network
algorithms and codes suitable for parallel computation, (2) application of the tensor network methods to frustrated spin /fermion systems, and (3) quantum Monte Carlo simulation of bosonic systems targeting the two-dimensional Helium system.
1.

Clues and criteria for designing a Kitaev spin liquid revealed by thermal and spin excitations of the honeycomb iridate
Na2IrO3: Y. Yamaji, T. Suzuki, T. Yamada, S.-I. Suga, N. Kawashima and M. Imada, Phys. Rev. B 93 (2016) 174425.

2.

Tensor network algorithm by coarse-graining tensor renormalization on finite periodic lattices: H.-H. Zhao, Z.-Y. Xie,
T. Xiang and M. Imada, Phys. Rev. B 93 (2016) 125115(1-14).

* Joint research among groups within ISSP.

170

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3.

Quantum lattice model solver H Φ: M. Kawamura, K. Yoshimi, T. Misawa, Y. Yamaji, S. Todo and N. Kawashima,
Computer Physics Communications (2017) S0010465517301200, accepted for publication.

Uwatoko group
Temperature dependence of resistivity on KFe2As2 single crystals down to 20 mK was measured under various hydrostaticpressures up to 17.5 GPa generated in a cubic-anvil cell. With increasing the pressure, the superconducting transition oftetragonal KFe2As2 was suppressed gradually and disappears completely at ∼ 11 GPa, which was related to the weakeningof electronic correlations and/or critical fluctuations under pressure. MnP, a superconductor under pressure, exhibits a ferromagnetic order below TC ∼ 290 K followed by a helical order with the spins lying in the ab plane and the helical rotation
propagating along the c axis below Ts ∼ 50 K at ambient pressure. Both TC and Ts are gradually suppressed with increasingpressure and the helical order disappears at ∼ 1.2 GPa. At intermediate pressures of 1.8 and 2.0 GPa, the ferromagnetic orderfirst develops and changes to a conical or two-phase (ferromagnetic and helical) structure with the propagation along the b axis
below a characteristic temperature. At 3.8 GPa, a helical magnetic order appears below 208 K, which hosts the spins in theac plane and the propagation along the b axis. The high-pressure magnetotransport measurements in FeSe up to ∼ 15 GPa arereported. Above ∼ 6 GPa the sudden enhancement of superconductivity (Tc ≤ 38.3 K) accompanies a suppression of magnetic
order. The obtained phase diagram highlights unique features of FeSe among iron-based superconductors. And effect of pressure
on the several Eu compounds have been investigated as results of joint program.
1.

†

2.

†

3.

†

4.

Absence of superconductivity in the collapsed tetragonal phase of KFe2As2 under hydrostatic pressure: B. Wang,
K. Matsubayashi, J. Cheng, T. Terashima, K. Kihou, S. Ishida, C.-H. Lee, A. Iyo, H. Eisaki and Y. Uwatoko, Phys. Rev.
B 94 (2016) 020502(1-5).

5.

Anomalous bulk modulus in vanadate spinels: Z. -Y. Li, X. Li, J. -G. Cheng, L. G. Marshall, X. -Y. Li, A. M. dos
Santos, W. -G. Yang, J. J. Wu, J. -F. Lin, G. Henkelman, T. Okada, Y. Uwatoko, H. B. Cao, H. D. Zhou, J. B. Goodenough and J. -S. Zhou, Phys. Rev. B 94 (2016) 165159(1-10).

6.

Competition of superconductivity with the structural transition in Mo3Sb7: G. Z. Ye, J. -G. Cheng, J. -Q. Yan, J. P. Sun,
K. Matsubayashi, T. Yamauchi, T. Okada, Q. Zhou, D. S. Parker, B. C. Sales and Y. Uwatoko, Phys. Rev. B 94 (2016)
224508(1-7).

7.

Long-range magnetic order in the Heisenberg pyrochlore antiferromagnets Gd2Ge2O7 and Gd2Pt2O7 synthesized underhigh pressure: X. Li, Y. Q. Cai, Q. Cui, C. J. Lin, Z. L. Dun, K. Matsubayashi, Y. Uwatoko, Y. Sato, T. Kawae, S. J. Lv,
C. Q. Jin, J. -S. Zhou, J. B. Goodenough, H. D. Zhou and J. -G. Cheng, Phys. Rev. B 94 (2016) 214429(1-9).

8.

*

9.

Magnetic Precursor of the Pressure-Induced Superconductivity in Fe-Ladder Compounds: S. Chi, Y. Uwatoko, H. Cao,
Y. Hirata, K. Hashizume, T. Aoyama and K. Ohgushi, Phys. Rev. Lett. 117 (2016) 047003(1-5).

Kondo Effect in CeXc (Xc = S, Se, Te) Studied by Electrical Resistivity Measurements under High Pressure:
Y. Hayashi, S. Takai, T. Matsumura, H. Tanida, M. Sera, K. Matsubayashi, Y. Uwatoko and A. Ochiai, J. Phys. Soc. Jpn.
85 (2016) 034704(1-7).
Magnetic and Fermi Surface Properties of Ferromagnets EuPd2 and EuPt2: A. Nakamura, H. Akamine, Y. Ashitomi,
F. Honda, D. Aoki, T. Takeuchi, K. Matsubayashi, Y. Uwatoko, Y. Tatetsu, T. Maehira, M. Hedo, T. Nakama and
Y. Onuki, J. Phys. Soc. Jpn. 85 (2016) 084705.
Superconducting and Fermi Surface Properties of Single Crystal Zr2Co: A. Teruya, M. Kakihana, T. Takeuchi, D. Aoki,
F. Honda, A. Nakamura, Y. Haga, K. Matsubayashi, Y. Uwatoko, H. Harima, M. Hedo, T. Nakama and Y. Onuki, J. Phys.
Soc. Jpn. 85 (2016) 034706(1-10).

Pressure dependence of the magnetic ground states in MnP: M. Matsuda, F. Ye, S. E. Dissanayake, J. -G. Cheng,
S. Chi, J. Ma, H. D. Zhou, J. -Q. Yan, S. Kasamatsu, O. Sugino, T. Kato, K. Matsubayashi, T. Okada and Y. Uwatoko,
Phys. Rev. B 93 (2016) 100405(1-5).

10. Slater Insulator in Iridate Perovskites with Strong Spin-Orbit Coupling: Q. Cui, J. -G. Cheng, W. Fan, A. E. Taylor,
S. Calder, M. A. McGuire, I.-Q. Yan, D. Meyers, X. Li, Y. Q. Cai, Y. Y. Jiao, Y. Choi, D. Haskel, H. Gotou, Y. Uwatoko,
J. Chakhalian and A. D. Christianson, Phys. Rev. Lett. 117 (2016) 176603.
11. *Quantum Criticality Beneath the Superconducting Dome in β-YbAlB4: T. Tomita, K. Kuga, Y. Uwatoko and S. Nakatsuji, J. Phys.: Conf. Ser. 683 (2016) 012007(1-5).
12. *Dome-shaped magnetic order competing with high-temperature superconductivity at high pressures in FeSe: J. P.
Sun, K. Matsuura, G. Z. Ye, Y. Mizukami, M. Shimozawa, K. Matsubayashi, M. Yamashita, T. Watashige, S. Kasahara,
Y. Matsuda, J. -Q. Yan, B. C. Sales, Y. Uwatoko, J. -G. Cheng and T. Shibauchi, Nat. Commun. 7 (2016) 12146(1-15).

† Joint research with outside partners.

ISSP Activity Report 2016171

13. Iron arsenides with three-dimensional FeAs layer networks: Can(n+1)/2(Fe1-xPtx)(2+3n)Ptn(n−1)/2As,(n+1)(n+2)/2 (n=2,3):
N. Katayama, S. Onari, K. Matsubayashi, Y. Uwatoko and H. Sawa, Sci. Rep. 6 (2016) 39280(1-5).
14. †Conducting Behavior and Valence Ordering of a One-Dimensional MMX-Type Coordination Polymer under High
Pressure: K. Otsubo, T. Suto, A. Kobayashi, R. Ikeda, M. Hedo, Y. Uwatoko and H. Kitagawa, Eur. J. Inorg. Chem. 2016(2016) 4402-4407.
15. †Magnetic and Structural Properties of Metamagnetic MnCo0.92Fe0.08Ge Compound: K. Ozono, Y. Mitsui, M. Hiroi, R.
Y. Umetsu, K. Takahashi, K. Matsubayashi, Y. Uwatoko and K. Koyama, MATERIALS TRANSACTIONS 57 (2016)316-320.
16. †Pressure-Induced Metallization in Iron-Based Ladder Compounds Ba 1−xCsxFe2Se3: T. Hawai, C. Kawashima,
K. Ohgushi, K. Matsubayashi, Y. Nambu, Y. Uwatoko, T. J. Sato and H. Takahashi, J. Phys. Soc. Jpn. 86 (2017)024701(1-4).
17. †Unique Pressure versus Temperature Phase Diagram for Antiferromagnets Eu2Ni3Ge5 and EuRhSi3: M. Nakashima,
Y. Amako, K. Matsubayashi, Y. Uwatoko, M. Nada, K. Sugiyama, M. Hagiwara, Y. Haga, T. Takeuchi, A. Nakamura,
H. Akamine, K. Tomori, T. Yara, Y. Ashitomi, M. Hedo, T. Nakama and Y. Onuki, J. Phys. Soc. Jpn. 86 (2017)
034708(1-13).
18. *Two-carrier analyses of the transport properties of black phosphorus under pressure: K. Akiba, A. Miyake, Y. Akahama,
K. Matsubayashi, Y. Uwatoko and M. Tokunaga, Phys. Rev. B 95 (2017) 115126(1-7).
19. †Superconducting, Fermi surface, and magnetic properties in SrTGe3 and EuTGe3 (T: transition metal) with the
Rashba-type tetragonal structure: M. Kakihana, H. Akamine, K. Tomori, K. Nishimura, A. Teruya, A. Nakamura, F.
Honda, D. Aoki, M. Nakashima, Y. Amako, K. Matsubayashi, Y. Uwatoko, T. Takeuchi, T. Kida, M. Hagiwara, Y. Haga,
E. Yamamoto, H. Harima, M. Hedo, T. Nakama and Y. Onuki, J. Alloys Compd. 694 (2017) 439-451.
20. *Unique Electronic States in Non-centrosymmetric Cubic Compounds: M. Kakihana, K. Nishimura, Y. Ashitomi,
T. Yara, D. Aoki, A. Nakamura, F. Honda, M. Nakashima, Y. Amako, Y. Uwatoko, T. Sakakibara, S. Nakamura,T. Takeuchi, Y. Haga, E. Yamamoto, H. Harima, M. Hedo, T. Nakama and Y. Onuki, J. Electron. Mater. 46 (2017)3572-3586.

Noguchi group
We have studied the membrane shape transformations by proteins. (1) tubulation and rupture by the absorption of bananashaped proteins. (2) high-genus stomatocyte (nuclear envelope shape) constructed by osmotic pressure and pore-size constraint
by nuclear pore complex. We have also proposed new force decomposition methods of multibody potentials to calculate local
stress and found that the obtained local stress largely depends on the decompositions even when they satisfy the conservation oftranslational and angular momentum.
1.

Unveiling Dimensionality Dependence of Glassy Dynamics: 2D Infinite Fluctuation Eclipses Inherent Structural Relaxation: H. Shiba, Y. Yamada, T. Kawasaki and K. Kim, Phys. Rev. Lett. 117 (2016) 245701.

2.

Nonuniqueness of local stress of three-body potentials in molecular simulations: K. M. Nakagawa and H. Noguchi,
Phys. Rev. E 94 (2016) 053304(1-11).

3.

Shape deformation of lipid membranes by banana-shaped protein rods: Comparison with isotropic inclusions andmembrane rupture: H. Noguchi, Phys. Rev. E 93 (2016) 052404(1-10).

4.

†

5.

Membrane tubule formation by banana-shaped proteins with or without transient network structure: H. Noguchi, Sci.
Rep. 6 (2016) 20935.

6.

Rheological evaluation of colloidal dispersions using the smoothed profile method: formulation and applications: J. J.
Molina, K. Otomura, H. Shiba, H. Kobayashi, M. Sano and R. Yamamoto, J. Fluid Mech. 792 (2016) 590-619.

7.

Construction of Nuclear Envelope Shape by a High-Genus Vesicle with Pore-Size Constraint: H. Noguchi, Biophys.
J. 111 (2016) 824-831.

8.

分子シミュレーションにおける三体ポテンシャルを含んだ系の局所応力テンソルの非一意性 : 中川 恒 , 分子シミュレーション
研究会会誌 “アンサンブル ” 19 (2017) 69.

Monte Carlo study of the frame, fluctuation and internal tensions of fluctuating membranes with fixed area: H. Shiba,
H. Noguchi and J.-B. Fournier, Soft Matter 12 (2016) 2373-2380.

* Joint research among groups within ISSP.

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9.

Membrane structure formation induced by two types of banana-shaped proteins: H. Noguchi/ and J.-B. Fournier, Soft
Matter (2017), accepted for publication.

Materials Synthesis and Characterization group
1.

†*

2.

†*

3.

†*

4.

†*

5.

*

6.

*

Pressure-induced non-superconducting phase of β-Na0.33V2O5 and the mechanism of high-pressure phase transitionsin β-Na0.33V2O5 and β-Li0.33V2O5 at room temperature: A. Grzechnik, Y. Ueda, T. Yamauchi, M. Hanfland, P. Hering,
V. Potapkin and K. Friese, J. Phys.: Condens. Matter 28 (2016) 035401(1-9).
Hybrid Amine-Functionalized Graphene Oxide as a Robust Bifunctional Catalyst for Atmospheric Pressure Fixationof Carbon Dioxide using Cyclic Carbonates: V. B. Saptal, T. Sasaki, K. Harada, D. Nishio-Hamane and B. M. Bhanage,
ChemSusChem 9 (2016) 644.
Light and SEM observation of opal phytoliths in the mulberry leaf: O. Tsutsui, R. Sakamoto, M. Obayashi,
S. Yamakawa, T. Handa, D. Nishio-Hamane and I. Matsuda, Flora 218 (2016) 44-50.
Bunnoite, a new hydrous manganese aluminosilicate from Kamo Mountain, Kochi prefecture, Japan: D. NishioHamane, K. Momma, R. Miyawaki and T. Minakawa, Miner Petrol 110 (2016) 917.

Weak ferromagnetic order breaking the threefold rotational symmetry of the underlying kagome lattice in
CdCu3(OH)6(NO3)2⋅H2O: R. Okuma, T. Yajima, D. Nishio-Hamane, T. Okubo and Z. Hiroi, Phys. Rev. B 95 (2017)094427.
Post-Cotunnite Phase Transition in Zirconia at High Pressure: D. Nishio-Hamane, in: Photon Factory Highlights 2015
(KEK, 2016), 38-39.

Neutron Science Laboratory
Shibayama group
Shibayama group has been exploring the structure and dynamics of soft matter, especially polymer gels, micelles, thermoresponsive polymers, and thermosets, utilizing a combination of small-angle neutron scattering (SANS), small-angle X-ray
scattering (SAXS), and dynamic light scattering (DLS). The objectives are to elucidate the relationship between the structure
and variety of novel properties/functions of polymer gels/resins. The highlights of 2016 include investigation of (1) solvatedstructure of thermoresponsive polymers in ionic liquid, (2) structure of amphiphilic conetworks, (3) crosslinking inhomogeneities of phenolic resins, (4) pressure response of thermoresponsive polymer in ionic liquid, and (5) dynamic light scattering
microscopy of turbid systems, (6) probe-SAXS of hydrogels under elongation, and so on.
1.

Cross-link inhomogeneity in phenolic resins at the initial stage of curing studied by 1H-pulse NMR spectroscopy andcomplementary SAXS/WAXS and SANS/WANS with a solvent-swelling technique: A. Izumi, Y. Shudo, T. Nakao and
M. Shibayama, Polymer 103 (2016) 152-162.

2.

Large-scale molecular dynamics simulation of crosslinked phenolic resins using pseudo-reaction model: Y. Shudo,
A. Izumi, K. Hagita, T. Nakao and M. Shibayama, Polymer 103 (2016) 261-276.

3.

†

4.

†

5.

Nearly Ideal Polymer Network Ion Gel Prepared in pH-Buffering Ionic Liquid: K. Hashimoto, K. Fujii, K. Nishi,
T. Sakai and M. Shibayama, Macromolecules 49 (2016) 344-352.

6.

Pressure Response of a Thermoresponsive Polymer in an Ionic Liquid: K. Hirosawa, K. Fujii, T. Ueki, Y. Kitazawa,
M. Watanabe and M. Shibayama, Macromolecules 49 (2016) 8249-8253.

7.

Transitions of Aggregation States for Concentrated Carbon Nanotube Dispersion: T. Hiroi, S. Ata and M. Shibayama,
J. Phys. Chem. C 120 (2016) 5776-5782.

8.

SANS study on the solvated structure and molecular interactions of a thermo-responsive polymer in a room temperature
ionic liquid: K. Hirosawa, K. Fujii, T. Ueki, Y. Kitazawa, K. C. Littrell, M. Watanabe and M. Shibayama, Phys. Chem.
Chem. Phys. 18 (2016) 17881-17889.

Mechanism of heat-induced gelation for ovalbumin and its N-terminus cleaved form: T. Hiroi, Y. Okazumi, K. C.
Littrell, Y. Narita, N. Tanaka and M. Shibayama, Polymer 93 (2016) 152-158.
Fabrication and Structural Characterization of Module-Assembled Amphiphilic Conetwork Gels: T. Hiroi, S. Kondo,
T. Sakai, E. P. Gilbert, Y.-S. Han, T.-H. Kim and M. Shibayama, Macromolecules 49 (2016) 4940-4947.

† Joint research with outside partners.

ISSP Activity Report 2016

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9.

Probe-SAXS on hydrogels under elongation: K. Nishi and M. Shibayama, Soft Matter 12 (2016) 5334-5339.

10. Structural Study on Aggregation Behavior of Star-Type Trimeric Surfactants in the Presence of Organic Salts: T.
Kusano, K. Akutsu, H. Iwase, T. Yoshimura and M. Shibayama, Colloids & Surfaces A 497 (2016) 109-116.
11. Structure-mechanical property relationships in crosslinked phenolic resin investigated by molecular dynamics simulation: Y. Shudo, A. Izumi, K. Hagita, T. Nakao and M. Shibayama, Polymer 116 (2017) 506-514.
12. Decisive test of the ideal behavior of tetra-PEG gels: F. Horkay, K. Nishi and M. Shibayama, J. Chem. Phys. 146 (2017)164905(1-8).
13. †Microscopic Structure of the “Nonswellable” Thermoresponsive Amphiphilic Conetwork: S. Nakagawa, X. Li, H.
Kamata, T. Sakai, E. P. Gilbert and M. Shibayama, Macromolecules 50 (2017) 3388.
14. Probe Diffusion of Sol–Gel Transition in an Isorefractive Polymer Solution: X. Li, N. Watanabe, T. Sakai and M.
Shibayama, Macromolecules 50 (2017) 2916.
15. Exploration of Ideal Polymer Networks: M. Shibayama, Macromol. Symp 372 (2017) 7-13.
16. Effect of protonation on the solvation structure of solute N-butylamine in an aprotic ionic liquid: K. Hashimoto, K.
Fujii, K. Ohara and M. Shibayama, Phys. Chem. Chem. Phys. 19 (2017) 8194-8200.
17. Measurement of Particle Size Distribution in Turbid Solutions by Dynamic Light Scattering Microscopy: T. Hiroi and
M. Shibayama, JoVE 119 (2017) 54885.
18. Fast-forming hydrogel with ultralow polymeric content as an artificial vitreous body: K. Hayashi, F. Okamoto, S. Hoshi,
T. Katashima, D. C. Zujur, X. Li, M. Shibayama, E. P. Gilbert, U.-I. Chung, S. Ohba, T. Oshika and T. Sakai, Nat.
Biomed. Eng. 1 (2017) 0044(1-7).
19. Small-angle Neutron Scattering of Polysaccharide Hydrogels: M. Shibayama, in: Polysaccharide hydrogels: Characterization and Biomedical Applications, Ch 7, edited by Matricardi,P; Alhaique, F; Coviello, T., (Pan Stanford PublishingPte. Ltd., Singapore, 2016), 245-264.

Yoshizawa groupA systematic study on a family of Ce-based non-centrosymmetric heavy fermion compounds CeTSi3 (T=transition metal ions)were studied, and the M-T phase diagram was established for CePdSi3. It is found that CePdSi3 shows extremely complicatedmulti-metamagnetic transitions. In order to elucidate such complicated magnetic phase diagram and magnetic properties from a
microscopic basis, the crystalline electric field levels were studied for T=Pd, Pt, and Rh compounds with use of inelastic neutron
scattering measurements.
1.

Inelastic Neutron Scattering Study of Stripe and Overdoped Checkerboard Ordering in Layered Nickel Oxide
d2−xSrxNiO4: Y. Ikeda, S. Suzuki, T. Nakabayashi, H. Yoshizawa, T. Yokoo and S. Itoh, J. Phys. Soc. Jpn. 85 (2016)
023701.

2.

†*

3.

Weak Ferromagnetism and Multiple Metamagnetic Transitions in the Non-centrosymmetric Tetragonal Compound
CePdSi3: D. Ueta, Y. Ikeda and H. Yoshizawa, J. Phys. Soc. Jpn. 85 (2016) 104703.

Superconductivity and Non-Fermi-Liquid Behavior in the Heavy-Fermion Compound CeCo 1−xNixIn5: R. Otaka,
M. Yokoyama, H. Mashiko, T. Hasegawa, Y. Shimizu, Y. Ikeda, K. Tenya, S. Nakamura, D. Ueta, H. Yoshizawa and
T. Sakakibara, J. Phys. Soc. Jpn. 85 (2016) 094713.

Yamamuro group
Our laboratory is studying chemical physics of complex condensed matters by using neutron scattering, X-ray diffraction, calorimetric, dielectric, and viscoelastic techniques. Our target materials are glasses, liquids, and various disorderedsystems. This year, we have succeeded to measure synchrotron X-ray diffraction of glassy carbon disulfide (CS2), propane(CH3CH2CH3) and propene (CH3CHCH2). These glasses were prepared by vapor-deposition at 3 K by using a cryostat developed for in-situ X-ray diffraction experiments in SPring-8. It was found that the local structures of these simple molecularglasses are similar to those of their crystalline states. Another topic is that we found unusual glass transitions in liquid alkylated
tetraphenylporphirins (3,5-C6C10-TPP and 2,5-C6C10-TPP); they appeared in a wide temperature range between 150 and 230
K. It is amazing that these large molecules (molecular mass: 2538) exist in liquid states at room temperature. We named theseliquids “super-high entropy liquids”. Other than above topics, we have obtained neutron diffraction data of nanoparticles of
PdPtD and PdRuD alloy hydride systems. The analysis is going on.

* Joint research among groups within ISSP.

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1.

X-ray Diffraction Study on Simple Molecular Glasses Created by Low-Temperature Vapor Deposition: Y. Mizuno,
M. Kofu and O. Yamamuro, J. Phys. Soc. Jpn. 85 (2016) 124602.

2.

Hydrogen diffusion in bulk and nanocrystalline palladium: A quasielastic neutron scattering study: M. Kofu, N. Hashimoto, H. Akiba, H. Kobayashi, H. Kitagawa, M. Tyagi, A. Faraone, J. R. D. Copley, W. Lohstroh and O. Yamamuro,Phys. Rev. B 94 (2016) 064303.

3.

Nanometer-Size Effect on Hydrogen Sites in Palladium Lattice: H. Akiba, M. Kofu, H. Kobayashi, H. Kitagawa,K. Ikeda, T. Otomo and O. Yamamuro, J. Am. Chem. Soc. 138 (2016) 10238.

4.

Connecting thermodynamics and dynamics in a supercooled liquid: Cresolphthalein-dimethylether: S. Samanta,
O. Yamamuro and R. Richert, Thermochimica Acta 636 (2016) 57-62.

5.

Effect of water on the structure of a prototype ionic liquid: O. Borodin, D. L. Price, B. Aoun, M. A. González, J. B.
Hooper, M. Kofu, S. Kohara, O. Yamamuro and M.-L. Saboungi, Phys. Chem. Chem. Phys. 18 (2016) 23474.

6.

†

7.

Calorimetric and Neutron Scattering Studies on Glass Transitions and Ionic Diffusions in Imidazolium-based Ionic
Liquids: O. Yamamuro and M. Kofu, IOP Conference Series: Materials Science and Engeneering (2017), accepted for
publication.

8.

低温蒸着法で作製した単純分子ガラスの構造 : 山室 修 , 水野 勇希 , 古府 麻衣子 , 日本結晶学会誌 58 (2016) 13-17.

9.

イミダゾリウム系イオン液体の階層的・ガラスダイナミクス : 古府 麻衣子 , 山室 修 , 日本結晶学会誌 58 (2016) 18-23.

Relaxation in a Prototype Ionic Liquid: Influence of Water on the Dynamics: D. L. Price, O. Borodin, M. A. González,M. Kofu, K. Shibata, T. Yamada, O. Yamamuro and M.-L. Saboungi, J. Phys. Chem. Lett. 8 (2017) 715.

10. 熱測定と中性子散乱の相補利用による新規物質研究 : 山室 修 , 熱測定 (2017), accepted for publication.
11. イオン液体の熱的挙動，ダイナミクス : 山室 修 , 古府 麻衣子 ,「イオン液体研究最前線と社会実装」, 2, 渡邊 正義 , ( シーエムシー出版 , 2016), 13-24.
12. ガラス転移温度 : 山室 修 , 「化学便覧基礎編改訂第 6 版」, 10.15, 日本化学会編 , ( 丸善出版 , 2017), accepted for
publication.

Masuda group
The goal of our research is to discover a new quantum phenomenon and to reveal the mechanism of it. In this fiscal year westudied the following topics; magnetic order in a buckled honeycomb lattice antiferromagnet, spin model of O2-based magnet ina nanoporous metal complex, dielectric and magnetic properties in relaxor magnet, magnetic excitations in a quantum breathing
pyrochlore antiferromagnet, and continuous control of local magnetic moment by applied electric field in a multiferroic
material.
1.

Crystal Field Excitations in the Breathing Pyrochlore Antiferromagnet Ba3Yb2Zn5O11: T. Haku, M. Soda, M. Sera,
K. Kimura, S. Itoh, T. Yokoo and T. Masuda, J. Phys. Soc. Jpn. 85 (2016) 034721.

2.

Dielectric and Magnetic Properties in Relaxor Magnet LuFeCoO4: M. Soda and T. Masuda, J. Phys. Soc. Jpn. 85 (2016)
034713.

3.

Spin Model of O2-Based Magnet in a Nanoporous Metal Complex: M. Soda, Y. Honma, S. Takamizawa, S. OhiraKawamura, K. Nakajima and T. Masuda, J. Phys. Soc. Jpn. 85 (2016) 034717.

4.

Continuous control of local magnetic moment by applied electric field in multiferroics Ba2CoGe2O7: M. Soda,
S. Hayashida, B. Roessli, M. Månsson, J. S. White, M. Matsumoto, R. Shiina and T. Masuda, Phys. Rev. B 94 (2016)
094418.

5.

Low-energy excitations and ground-state selection in the quantum breathing pyrochlore antiferromagnet Ba3Yb2Zn5O11:
T. Haku, K. Kimura, Y. Matsumoto, M. Soda, M. Sera, D. Yu, R. A. Mole, T. Takeuchi, S. Nakatsuji, Y. Kono, T. Sakakibara, L. -J. Chang and T. Masuda, Phys. Rev. B 93 (2016) 220407.

6.

Magnetic ordering of the buckled honeycomb lattice antiferromagnet Ba2NiTeO6: S. Asai, M. Soda, K. Kasatani,
T. Ono, M. Avdeev and T. Masuda, Phys. Rev. B 93 (2016) 024412.

7.

Crystal field excitations on NdFe 3 (BO 3 )4 investigated by inelastic neutron scattering: S. Hayashida, M. Soda, S. Itoh,T. Yokoo, K. Ohgushi, D. Kawana and T. Masuda, J. Phys.: Conf. Ser. 746 (2016) 012059.

† Joint research with outside partners.

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8.

Magnetic Structure and Dielectric State in the Multiferroic Ca2CoSi2O7: M. Soda, S. Hayashida, T. Yoshida, M. Akaki,
M. Hagiwara, M. Avdeev, O. Zaharko and T. Masuda, J. Phys. Soc. Jpn. 86 (2017) 064703(1-5).

9.

Spin pseudogap in the S=1/2 chain material Sr2CuO3 with impurities: G. Simutis, S. Gvasaliya, N. S. Beesetty,
T. Yoshida, J. Robert, S. Petit, A. I. Kolesnikov, M. B. Stone, F. Bourdarot, H. C. Walker, D. T. Adroja, O. Sobolev,
C. Hess, T. Masuda, A. Revcolevschi, B. Büchner and A. Zheludev, Phys. Rev. B 95 (2017) 054409.

10. A layered wide-gap oxyhalide semiconductor with an infinite ZnO 2 square planar sheet: Sr 2 ZnO 2 Cl 2: Y. Su, Y. Tsujimoto, A. Miura, S. Asai, M. Avdeev, H. Ogino, M. Ako, A. A. Belik, T. Masuda, T. Uchikoshi and K. Yamaura, Chem.
Commun. 53 (2017) 3826-3829.
11. Dielectric Property and Diffuse Scattering in Relaxor Magnet LuFeCoO 4: M. Soda and T. Masuda, J. Phys.: Conf. Ser.
828 (2017) 012001.
12. Neutron Scattering Study in Breathing Pyrochlore Antiferromagnet Ba 3 Yb 2 Zn 5 O 11: T. Haku, M. Soda, M. Sera,
K. Kimura, J. Taylor, S. Itoh, T. Yokoo, Y. Matsumoto, D. Yu, R. A. Mole, T. Takeuchi, S. Nakatsuji, Y. Kono, T. Sakakibara, L. -J. Chang and T. Masuda, J. Phys.: Conf. Ser. 828 (2017) 012018.
13. Powder neutron diffraction in one-dimensional frustrated chain compound NaCuMoO 4 (OD): S. Asai, T. Oyama,
M. Soda, K. Rule, K. Nawa, Z. Hiroi and T. Masuda, J. Phys.: Conf. Ser. 828 (2017) 012006.
14. Hyperthermia and chemotherapy using Fe(Salen) nanoparticles might impact glioblastoma treatment: M. Ohtake,
M. Umemura, I. Sato, T. Akimoto, K. Oda, A. Nagasako, J.-H. Kim, T. Fujita, U. Yokoyama, T. Nakayama, Y. Hoshino,
M. Ishiba, S. Tokura, M. Hara, T. Muramoto, S. Yamada, T. Masuda, I. Aoki, Y. Takemura, H. Murata, H. Eguchi,
N. Kawahara and Y. Ishikawa, Sci. Rep. 7 (2017) 42783.
15. Magnetic metal-complex-conducting copolymer core–shell nanoassemblies for a single-drug anticancer platform: J.-H.
Kim, H. Eguchi, M. Umemura, I. Sato, S. Yamada, Y. Hoshino, T. Masuda, I. Aoki, K. Sakurai, M. Yamamoto and
Y. Ishikawa, NPG Asia Mater 9 (2017) e367.

International MegaGauss Science Laboratory
Takeyama group1000 T class electro-magnetic flux compression megagauss generators were reconstructed and completed. A peak magnetic
field of 450 T is obtained by the magagauss generator with less than 1 MJ energy injection. Magnetization measurement
techniques are still in progress in the single-turn coil magagauss generator system, and the measurements using a co-axial
type self-compensated pick-up-coil up to 130 T, and using magneto-optical techniques up to 200 T are currently achieved withhigh reliability, at very low temperature around 5 K. The methods have been applied to investigate spin structures of frustrated
magnetic materials, multi-ferro materials, and quantum spin systems, etc.
1.

†

2.

†*

3.

*

Magnetic transitions under ultrahigh magnetic fields of up to 130 T in the breathing pyrochlore antiferromagnet
LiInCr4O8: Y. Okamoto, D. Nakamura, A. Miyake, S. Takeyama, M. Tokunaga, A. Matsuo, K. Kindo and Z. Hiroi, Phys.
Rev. B 95 (2017) 134438.

4.

Excitation energy dependence of initial phase shift in Kerr rotation of resident electron spin polarization in a CdTe
single quantum well: L. -P. Yan, T. Takamure, R. Kaji, G. Karczewski, S. Takeyama and S. Adachi, Phys. Status Solidi B
254 (2017) 1600449(1-6).

Irreversible Heating Measurement with Microsecond Pulse Magnet: Example of the α–θ Phase Transition of Solid
Oxygen: T. Nomura, Y. H. Matsuda, S. Takeyama and T. C. Kobayashi, J. Phys. Soc. Jpn. 85 (2016) 094601(1-5).
Electric Polarization Induced by Spin Ordering under Magnetic Fields in Distorted Triangular Lattice Antiferromagnet
RbCoBr3: Y. Nishiwaki, M. Tokunaga, R. Sakakura, S. Takeyama, T. Kato and K. Iio, J. Phys. Soc. Jpn. 86 (2017)
044701(1-7).

Kindo group
The specific heat measurements under long pulsed magnetic field up to 43.5 T has been open for the joint-use research. Repetition of the maximum field generation is limited to three times in a day due to a cooling time for the magnet. We are making newhigh repetitive magnet to carry out the measurements at higher frequency.

* Joint research among groups within ISSP.

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1.

†

2.

†

3.

†*

4.

†*

Valence State in CeIrIn5 at High Magnetic Fields of up to 42 T: Y. H. Matsuda, T. T. Terashima, K. Kindo, R. Tsunoda,
R. Settai, N. Kawamura, M. Mizumaki and T. Inami, J. Phys. Soc. Jpn. 85 (2016) 115001(1-2).

5.

†

6.

†

Magnetism of the antiferromagnetic spin-1/2 tetramer compound CuInVO5: M. Hase, M. Matsumoto, A. Matsuo andK. Kindo, Phys. Rev. B 94 (2016) 174421.

7.

†

8.

†*

9.

†*

Evidence of Charge Transfer and Orbital Magnetic Moment in Multiferroic CuFeO2: Y. Narumi, T. Nakamura, H.
Ikeno, N. Terada, T. Morioka, K. Saito, H. Kitazawa, K. Kindo and H. Nojiri, J. Phys. Soc. Jpn. 85 (2016) 114705.
Large Magnetoresistance and Volume Expansion Associated with Valence Transition in Eu(Rh1−xIrx)2Si2: A. Mitsuda,
T. Fujimoto, E. Kishaba, S. Hamano, A. Kondo, K. Kindo and H. Wada, J. Phys. Soc. Jpn. 85 (2016) 124703.
Magnetic and Structural Studies on Two-Dimensional Antiferromagnets (MCl)LaNb2O7 (M = Mn, Co, Cr):A. Kitada, Y. Tsujimoto, M. Nishi, A. Matsuo, K. Kindo, Y. Ueda, Y. Ajiro and H. Kageyama, J. Phys. Soc. Jpn. 85(2016) 034005(6).

Field-driven successive phase transitions in the quasi-two-dimensional frustrated antiferromagnet Ba2CoTeO6 andhighly degenerate classical ground states: P. Chanlert, N. Kurita, H. Tanaka, D. Goto, A. Matsuo and K. Kindo, Phys.
Rev. B 93 (2016) 094420(7).

Origin of positive out-of-plane magnetoconductivity in overdoped Bi1.6Pb0.4Sr2CaCu1.96Fe0.04O8+δ: T. Watanabe,
T. Usui, S. Adachi, Y. Teramoto, M. M. Dobroka, I. Kakeya, A. Kondo, K. Kindo and S. Kimura, Phys. Rev. B 94 (2016)
174517.
Quasi-two-dimensional Bose-Einstein condensation of spin triplets in the dimerized quantum magnet Ba2CuSi2O6Cl2:
M. Okada, H. Tanaka, N. Kurita, K. Johmoto, H. Uekusa, A. Miyake, M. Tokunaga, S. Nishimoto, M. Nakamura,
M. Jaime, G. Radtke and A. Saúl, Phys. Rev. B 94 (2016) 094421(1-8).
Spin state ordering of strongly correlating LaCoO3 induced at ultrahigh magnetic fields: A. Ikeda, T. Nomura, Y. H.
Matsuda, A. Matsuo, K. Kindo and K. Sato, Phys. Rev. B 93 (2016) 220401(1-5).

10. †Various disordered ground states and 1/3 magnetization-plateau-like behavior in the S=1/2 Ti3+ kagome lattice antiferromagnets Rb2NaTi3F12, Cs2NaTi3F12, and Cs2KTi3F12: M. Goto, H. Ueda, C. Michioka, A. Matsuo, K. Kindo andK. Yoshimura, Phys. Rev. B 94 (2016) 104432.
11. †90 K superconductivity of clean Pb1212 epitaxial films: S. Komori, A. Kondo, K. Kindo and I. Kakeya, Supercond.
Sci. Technol. 29 (2016) 085007.
12. *Experimental exploration of novel semimetal state in strong anisotropic Pyrochlore iridate Nd2lr2O7 under highmagnetic field: Z. M. Tian, Y. Kohama, T. Tomita, J. Ishikawa, H. Mairo, K. Kindo and S. Nakatsuji, J. Phys.: Conf. Ser.
683 (2016) 012024(6).
13. *Frustrated magnetism in a Mott insulator based on a transition metal chalcogenide: S. Kawamoto, T. Higo, T. Tomita,
S. Suzuki, Z. M. Tian, K. Mochitzuki, A. Matsuo, K. Kindo and S. Nakatsuji, J. Phys.: Conf. Ser. 683 (2016) 012025(4).
14. Repeating pulsed magnet system for axion-like particle searches and vacuum birefringence experiments: T. Yamazaki,
T. Inada, T. Namba, S. Asai, T. Kobayashi, A. Matsuo, K. Kindo and H. Nojiri, Nuclear Instruments and Methods inPhysics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 833 (2016) 122.
15. †Fe Substitution Effect on the High-Field Magnetization in the Kondo Semiconductor CeRu2Al10: A. Kondo, K. Kindo,
H. Nohara, M. Nakamura, H. Tanida, M. Sera and T. Nishioka, J. Phys. Soc. Jpn. 86 (2017) 023705.
16. †*Magnetization Process of the Kondo Insulator YbB12 in Ultrahigh Magnetic Fields: T. T. Terashima, A. Ikeda, Y. H.
Matsuda, A. Kondo, K. Kindo and F. Iga, J. Phys. Soc. Jpn. 86 (2017) 054710(1-5).
17. *Thermodynamic Investigation of Metamagnetic Transitions and Partial Disorder in the Quasi-Kagome Kondo Lattice
CePdAl: K. Mochidzuki, Y. Shimizu, A. Kondo, S. Nakamura, S. Kittaka, Y. Kono, T. Sakakibara, Y. Ikeda, Y. Isikawa
and K. Kindo, J. Phys. Soc. Jpn. 86 (2017) 034709(1-5).
18. †*α−β and β−γ phase boundaries of solid oxygen observed by adiabatic magnetocaloric effect: T. Nomura, Y. Kohama,Y. H. Matsuda, K. Kindo and T. C. Kobayashi, Phys. Rev. B 95 (2017) 104420.
19. High-field magnetization of Heusler compound Fe2Mn1−xVxSi: M. Hiroi, T. Tazoko, H. Sano, I. Shigeta, K. Koyama,
A. Kondo, K. Kindo, H. Manaka and N. Terada, Phys. Rev. B 95 (2017) 014410.
20. *Magnetic transitions under ultrahigh magnetic fields of up to 130 T in the breathing pyrochlore antiferromagnet
LiInCr4O8: Y. Okamoto, D. Nakamura, A. Miyake, S. Takeyama, M. Tokunaga, A. Matsuo, K. Kindo and Z. Hiroi, Phys.
Rev. B 95 (2017) 134438.
† Joint research with outside partners.

ISSP Activity Report 2016177

21. †*Magnetoelectric Behavior from S=1/2 Asymmetric Square Cupolas: Y. Kato, K. Kimura, A. Miyake, M. Tokunaga,
A. Matsuo, K. Kindo, M. Akaki, M. Hagiwara, M. Sera, T. Kimura and Y. Motome, Phys. Rev. Lett. 118 (2017) 107601(1-5).
22. Search for Two-Photon Interaction with Axionlike Particles Using High-Repetition Pulsed Magnets and Synchrotron
X Rays: T. Inada, T. Yamazaki, T. Namba, S. Asai, T. Kobayashi, K. Tamasaku, Y. Tanaka, Y. Inubushi, K. Sawada,
M. Yabashi, T. Ishikawa, A. Matsuo, K. Kawaguchi, K. Kindo and H. Nojiri, Phys. Rev. Lett. 118 (2017) 071803.
23. *Giant Exchange Coupling Evidenced with a Magnetization Jump at 52 T for a Gadolinium-Nitroxide Chelate:
T. Kanetomo, T. Kihara, A. Miyake, A. Matsuo, M. Tokunaga, K. Kindo, H. Nojiri and T. Ishida, Inorg. Chem. 56(2017) 3310-3314.
24. Magnetic and electrical properties of Heusler compounds Ru2Cr1−xXxSi (X = V, Ti): M. Hiroi, H. Sano, T. Tazoko,
I. Shigeta, M. Ito, K. Koyama, H. Manaka, N. Terada, M. Fujii, A. Kondo and K. Kindo, J. Alloys Compd. 694 (2017)1376.
25. * パイロクロア型イリジウム酸化物 Nd2Ir2O7 における磁場印加方向に敏感な金属 - 絶縁体転移 : 小濱 芳允 , Z. Tian, 冨田
崇弘 , 石川 洵 , 金道 浩一 , 石塚 大晃 , 中辻 知 , 固体物理 51 (2016) 339-355.

Tokunaga group
Multiferroic materials have been extensively studied partly because of their possible application to the memory devices with low
power consumption. Our careful experiments revealed non-volatile magnetoelectric memory effects in a well-known multiferroic material, BiFeO3. We found application of positive (negative) electric fields to a sample causes decrease (increase) in theresistance. This bipolar RRAM effect observed at room temperature will be useful for memory devices.
1.

†

2.

†*

Magnetic-field-induced spin crossover of Y-doped Pr0.7Ca0.3CoO3: A. Ikeda, S. Lee, T. T. Terashima, Y. H. Matsuda,
M. Tokunaga and T. Naito, Phys. Rev. B 94 (2016) 115129(1-8).

3.

†*

4.

圧力下の半金属黒燐における異常量子輸送現象 : 秋葉 和人 , 三宅 厚志 , 徳永 将史 , 赤浜 裕一 , 固体物理 51 (2016)

Spin Structure Change in Co-Substituted BiFeO3: H. Yamamoto, T. Kihara, K. Oka, M. Tokunaga, K. Mibu and
M. Azuma, J. Phys. Soc. Jpn. 85 (2016) 064704(1-4).

Quasi-two-dimensional Bose-Einstein condensation of spin triplets in the dimerized quantum magnet Ba2CuSi2O6Cl2:
M. Okada, H. Tanaka, N. Kurita, K. Johmoto, H. Uekusa, A. Miyake, M. Tokunaga, S. Nishimoto, M. Nakamura,
M. Jaime, G. Radtke and A. Saúl, Phys. Rev. B 94 (2016) 094421(1-8).
249.

5.

Resistive memory effects in BiFeO3 single crystals controlled by transverse electric fields: S. Kawachi, H. Kuroe, T. Ito,
A. Miyake and M. Tokunaga, Appl. Phys. Lett. 108 (2016) 162903(1-4).

6.

†

7.

†*

8.

*

Magnetic transitions under ultrahigh magnetic fields of up to 130 T in the breathing pyrochlore antiferromagnet
LiInCr4O8: Y. Okamoto, D. Nakamura, A. Miyake, S. Takeyama, M. Tokunaga, A. Matsuo, K. Kindo and Z. Hiroi, Phys.
Rev. B 95 (2017) 134438.

9.

*Quantum Hall effect in a bulk antiferromagnet EuMnBi2 with magnetically confined two-dimensional Dirac fermions:
H. Masuda, H. Sakai, M. Tokunaga, Y. Yamasaki, A. Miyake, J. Shiogai, S. Nakamura, S. Awaji, A. Tsukazaki,
H. Nakao, Y. Murakami, T. -h. Arima, Y. Tokura and S. Ishiwata, Science Advances 2 (2016) e1501117(1-6).
Electric Polarization Induced by Spin Ordering under Magnetic Fields in Distorted Triangular Lattice Antiferromagnet
RbCoBr3: Y. Nishiwaki, M. Tokunaga, R. Sakakura, S. Takeyama, T. Kato and K. Iio, J. Phys. Soc. Jpn. 86 (2017)
044701(1-7).

Two-carrier analyses of the transport properties of black phosphorus under pressure: K. Akiba, A. Miyake, Y. Akahama,
K. Matsubayashi, Y. Uwatoko and M. Tokunaga, Phys. Rev. B 95 (2017) 115126(1-7).

10. †*Magnetoelectric Behavior from S=1/2 Asymmetric Square Cupolas: Y. Kato, K. Kimura, A. Miyake, M. Tokunaga,
A. Matsuo, K. Kindo, M. Akaki, M. Hagiwara, M. Sera, T. Kimura and Y. Motome, Phys. Rev. Lett. 118 (2017)
107601(1-5).
11. *Giant Exchange Coupling Evidenced with a Magnetization Jump at 52 T for a Gadolinium-Nitroxide Chelate:
T. Kanetomo, T. Kihara, A. Miyake, A. Matsuo, M. Tokunaga, K. Kindo, H. Nojiri and T. Ishida, Inorg. Chem. 56(2017) 3310-3314.

* Joint research among groups within ISSP.

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Y. Matsuda group
Spin state degree of freedom of cobalt oxides has been attracting much attention of scientists for a long time. The electronic andstructural properties as well as the magnetic properties sometimes change dramatically. LaCoO3 is one of the canonical cobalt
oxides and has been studied for more than half century owing to its peculiar properties. We have investigated the magnetization
process of LaCoO3 in high magnetic fields of up to 133 T at several temperatures. In addition to the previously known magnetization jump at around 65 T at low temperatures, a novel phase has been observed to appear in higher fields when temperature
is higher than about 30 K. The phase boundary in field-temperature (B-T) plane indicates this phase has lower entropy than the
low field phase. The transition field increases with temperature and becomes higher than 130 T at 105 K. The spatial orderedstate of the different spin states, namely high spin (S=2), intermediate spin (S=1) and low spin (S=0) states, is suggested. From
theoretical point of view, field-induced transition to an excitonic insulating state possibly explains the observed phenomenon.
Another cobalt oxide (Pr1-xYx)0.7Ca0.3CoO3 has also been studied in ultrahigh fields of up to 140 T and found that the B-T
phase diagram determined by the magnetization and electric resistivity is qualitatively different from that of LaCoO3. We alsostudied the magnetic field induced phase transition of solid oxygen using irreversible heating effect. In SPring-8, using a pulsed
magnet being combined with intense synchrotron x-rays, the valence state of Ce in the heavy fermion compound CeIrIn5 wasdirectly examined in high magnetic fields of up to 40 T at 2 K.
1.

†

2.

†*

Valence State in CeIrIn5 at High Magnetic Fields of up to 42 T: Y. H. Matsuda, T. T. Terashima, K. Kindo, R. Tsunoda,
R. Settai, N. Kawamura, M. Mizumaki and T. Inami, J. Phys. Soc. Jpn. 85 (2016) 115001(1-2).

3.

†*

Magnetic-field-induced spin crossover of Y-doped Pr0.7Ca0.3CoO3: A. Ikeda, S. Lee, T. T. Terashima, Y. H. Matsuda,
M. Tokunaga and T. Naito, Phys. Rev. B 94 (2016) 115129(1-8).

4.

†*

5.

†*

6.

†*

7.

†*

Irreversible Heating Measurement with Microsecond Pulse Magnet: Example of the α–θ Phase Transition of Solid
Oxygen: T. Nomura, Y. H. Matsuda, S. Takeyama and T. C. Kobayashi, J. Phys. Soc. Jpn. 85 (2016) 094601(1-5).

Spin state ordering of strongly correlating LaCoO3 induced at ultrahigh magnetic fields: A. Ikeda, T. Nomura, Y. H.
Matsuda, A. Matsuo, K. Kindo and K. Sato, Phys. Rev. B 93 (2016) 220401(1-5).
Lifetime-Broadening-Suppressed X-ray Absorption Spectrum of β-YbAlB4 Deduced from Yb 3d → 2p Resonant
X-ray Emission Spectroscopy: N. Kawamura, N. Kanai, H. Hayashi, Y. H. Matsuda, M. Mizumaki, K. Kuga, S. Nakatsuji and S. Watanabe, J. Phys. Soc. Jpn. 86 (2017) 014711(1-7).
Magnetization Process of the Kondo Insulator YbB12 in Ultrahigh Magnetic Fields: T. T. Terashima, A. Ikeda, Y. H.
Matsuda, A. Kondo, K. Kindo and F. Iga, J. Phys. Soc. Jpn. 86 (2017) 054710(1-5).
α−β and β−γ phase boundaries of solid oxygen observed by adiabatic magnetocaloric effect: T. Nomura, Y. Kohama,Y. H. Matsuda, K. Kindo and T. C. Kobayashi, Phys. Rev. B 95 (2017) 104420.

Center of Computational Materials Science
Akai group(1) A scheme that combines the nonequilibrium Green’s function method with the Korringa–Kohn–Rostoker Green’s function
method is proposed. The method is applied to Schottky junctions composed of an Al/GaN/Al trilayer. The results show that a
Schottky barrier is formed at an undoped GaN and Al interface. The transport property of this system under various finite bias
voltages is calculated. It is shown that the asymmetric behavior of electron transport against the direction of bias voltage occurs
in this system, confirming the feature of rectification. (2) A classical spin model derived ab initio for rare-earth-based permanent magnet compounds is presented. Our target compound, NdFe12N, is a material that goes beyond today’s champion magnet
compound Nd2Fe14B in its intrinsic magnetic properties with a simpler crystal structure. Calculated temperature dependenceof the magnetization and the anisotropy field agrees with the latest experimental results in the leading order. Having put therealistic observables under our numerical control, we propose that engineering 5d-electron-mediated indirect exchange coupling
between 4f-electrons in Nd and 3d-electrons from Fe would most critically help enhance the material’s utility over the operation-temperature range. (3) As a collaboration with experimental group, we have developed the method to calculate resonant
MOKEZ spectra and apply it to the recent experiments performed at SPring8 by Kubota, et al. The ab-initio calculations explain
the experimental results successfully, opening up the possibility to further extend the method so as to cover other systems suchas compounds, disordered alloys and also to apply the second-harmonic generation.
1.

Schottky junctions studied using Korringa-Kohn-Rostoker non-equilibrium Green's function method: M. Ogura and H.
Akai, J. Phys.: Condens. Matter 85 (2016) 104715(1-7).

† Joint research with outside partners.

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2.

Relevance of 4f-3d exchange to finite-temperature magnetism of rare-earth permanent magnets: An ab-initio-based spinmodel approach for NdFe12 N: M. Matsumoto, H. Akai, Y. Harashima, S. Doi and T. Miyake, J. Appl. Phys. 119 (2016)
213901(1-7).

3.

Monte Carlo analysis for finite-temperature magnetism of Nd2Fe14B permanent magnet: Y. Toga, M. Matsumoto,
S. Miyashita, H. Akai, S. Doi, T. Miyake and A. Sakuma, Phys. Rev. B 94 (2016) 174433(1-9).

4.

Electrical resistivity of substitutionally disordered hcp Fe–Si and Fe–Ni alloys: Chemically-induced resistivity saturation in the Earth's core: H. Gomi, K. Hirose, H. Akai and Y. Fei, Earth Planet. Sci. Lett. 451 (2016) 51-61.

5.

Atomistic-model study of temperature-dependent domain walls in the neodymium permanent magnet Nd 2Fe14B:
M. Nishino, Y. Toga, S. Miyashita, H. Akai, A. Sakuma and S. Hirosawa, Phys. Rev. B 95 (2017) 094429(1-7).

6.

磁石の秘密 : 赤井 久純 , 日本物理学会誌 71 (2016) 277-281.

Ozaki group
The X-ray photoelectron spectroscopy (XPS) has become one of the most important and widely used techniques in studying
chemical composition and electronic states in the vicinity of surfaces of materials. In spite of the long history of XPS and its
importance in materials science, a general method had not been developed so far to calculate the absolute binding energies
for both insulators and metals, including multiple splittings due to chemical shift, spin-orbit coupling, and exchange interaction, on equal footing. In this study, we have developed a novel computational method to calculate absolute binding energies
of core levels in metals and insulators, based on a penalty functional and an exact Coulomb cutoff method in a frameworkof the density functional theory. The spurious interaction of core holes between supercells is avoided by the exact Coulomb
cutoff method, while the variational penalty functional enables us to treat multiple splittings due to chemical shift, spin-orbit
coupling, and exchange interaction on equal footing, both of which are not accessible by previous methods. It is demonstrated
that the absolute binding energies of core levels for both metals and insulators are calculated by the proposed method in a mean
absolute (relative) error of 0.4 eV (0.16 %) for eight cases compared to experimental values measured with X-ray photoemission
spectroscopy within a generalized gradient approximation to the exchange-correlation functional. We have applied the developed method to silicene grown on ZrB2 substrate, which is one of fascinating two-dimensional materials discovered recently.
It is found that the obtained binding energies of Si-2p states of the planar structure are in good agreement with the XPS datameasured at the photon factory, KEK, resulting in a success of detailed analysis of buckling form of silicene.
1.

Electronic transport properties of graphene channel with metal electrodes or insulating substrates in 10 nm-scale
devices: H. Jippo, T. Ozaki, S. Okada and M. Ohfuchi, J. Appl. Phys. 120 (2016) 154301.

2.

Reproducibility in density functional theory calculations of solids: K. Lejaeghere, G. Bihlmayer, T. Bjorkman, P. Blaha,
S. Blugel, V. Blum, D. Caliste, I. E. Castelli, S. J. Clark, A. Dal Corso, S. de Gironcoli, T. Deutsch, J. K. Dewhurst,
I. Di Marco, C. Draxl, M. Du ak, O. Eriksson, J. A. Flores-Livas, K. F. Garrity, L. Genovese, P. Giannozzi, M. Giantomassi, S. Goedecker, X. Gonze, O. Granas, E. K. U. Gross, A. Gulans, F. Gygi, D. R. Hamann, P. J. Hasnip, N. A.
W. Holzwarth, D. Iu an, D. B. Jochym, F. Jollet, D. Jones, G. Kresse, K. Koepernik, E. Kucukbenli, Y. O. Kvashnin,
I. L. M. Locht, S. Lubeck, M. Marsman, N. Marzari, U. Nitzsche, L. Nordstrom, T. Ozaki, L. Paulatto, C. J. Pickard,
W. Poelmans, M. I. J. Probert, K. Refson, M. Richter, G. -M. Rignanese, S. Saha, M. Scheffler, M. Schlipf, K. Schwarz,
S. Sharma, F. Tavazza, P. Thunstrom, A. Tkatchenko, M. Torrent, D. Vanderbilt, M. J. van Setten, V. Van Speybroeck,
J. M. Wills, J. R. Yates, G. -X. Zhang and S. Cottenier, Science 351 (2016) aad3000(1-7).

3.

Hybrid and 4-D FFT implementations of an open-source parallel FFT package OpenFFT: T. V. T. Duy and T. Ozaki,
J Supercomput 72 (2016) 391-416.

4.

*

5.

Single-particle excitation of core states in epitaxial silicene: C.-C. Lee, J. Yoshinobu, K. Mukai, S. Yoshimoto, H. Ueda,
R. Friedlein, A. Fleurence, Y. Yamada-Takamura and T. Ozaki, Phys. Rev. B 95 (2017) 115437.

6.

Thermoelectric properties of high power factor sulfide NiSbS and Co substitution system Ni1−xCoxSbS: M. Miyata,
T. Ozaki, S. Nishino and M. Koyano, Jpn. J. Appl. Phys. 56 (2017) 021801.

7.

Absolute Binding Energies of Core Levels in Solids from First Principles: T. Ozaki and C.-C. Lee, Phys. Rev. Lett. 118(2017) 026401.

8.

Chemical misfit origin of solute strengthening in iron alloys: M. Wakeda, T. Tsuru, M. Kohyama, T. Ozaki, H. Sawada,
M. Itakura and S. Ogata, Acta Materialia 131 (2017) 445.

Single-particle excitation of core states in epitaxial silicene: C.-C. Lee, J. Yoshinobu, K. Mukai, S. Yoshimoto, H. Ueda,
A. Fleurence, Y. Yamada-Takamura and T. Ozaki, Phys. Rev. B 95 (2017) 115437.

* Joint research among groups within ISSP.

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Laser and Synchrotron Research Center
Shin group
We studied high Tc Fe-pnictide superconductors using 7-eV laser. High resolution photoemission study with polarization dependence is very powerful for the study of the superconducting mechanism. Orbital fluctuation mechanism is also important inaddition to the spin fluctuation mechanism.
1.

†*

2.

†

Coexistence of a pseudo-gap and a superconducting gap for the high-Tc superconductor LSCO using photoemission
spectroscopy: T. Yoshida, W. Malaeb, S. Ideta, D. H. Lu, R. G. Moor, Z. -X. Shen, M. Okawa, T. Kiss, K. Ishizaka,
S. Shin, S. Komiya, Y. Ando, H. Eisaki, S. Uchida and A. Fujimori, Phys. Rev. B 93 (2016) 014513(5 pages).

3.

*

4.

†*

5.

†

Revealing the ultrafast light-to-matter energy conversion before heat diffusion in a layered Dirac semimetal: Y. Ishida,
H. Masuda, H. Sakai, S. Ishiwata and S. Shin, Phys. Rev. B 93 (2016) 100302(6 pages).

6.

*

Spin texture in type-II Weyl semimetal WTe2: B. Feng, Y.-H. Chan, Y. Feng, R.-Y. Liu, M.-Y. Chou, K. Kuroda, K. Yaji,
A. Harasawa, P. Moras, A. Barinov, W. Malaeb, C. Bareille, T. Kondo, S. Shin, F. Komori, T.-C. Chiang, Y. Shi and
I. Matsuda, Phys. Rev. B 94 (2016) 195134(1-5).

7.

*

High repetition pump-and-probe photoemission spectroscopy based on a compact fiber laser system: Y. Ishida, T. Otsu,
A. Ozawa, K. Yaji, S. Tani, S. Shin and Y. Kobayashi, Rev. Sci. Instrum. 87 (2016) 123902(1-11).

8.

*

9.

†*

One-dimensional metallic surface states of Pt-induced atomic nanowires on Ge(001): K. Yaji, S. Kim, I. Mochizuki,
Y. Takeichi, Y. Ohtsubo, P. L. Fèvre, F. Bertran, A. Taleb-Ibrahimi, S. Shin and F. Komori, J. Phys.: Condens. Matter 28(2016) 284001 (1-9).

Coherent control over three-dimensional spin polarization for the spin-orbit coupled surface state of Bi2Se3: K. Kuroda,
K. Yaji, M. Nakayama, A. Harasawa, Y. Ishida, S. Watanabe, C. -T. Chen, T. Kondo, F. Komori and S. Shin, Phys. Rev. B
94 (2016) 165162(R)(1-5).
Fermi arc electronic structure and Chern numbers in the type-II Weyl semimetal candidate MoxW1−xTe2: I. Belopolski,
S. Y. Xu, Y. Ishida, X. Pan, P. Yu, D. S. Sanchez, H. Zheng, M. Neupane, N. Alidoust, G. Chang, T. R. Chang, Y. Wu,
G. Bian, S. M. Huang, C. C. Lee, D. Mou, L. Huang, Y. Song, B. Wang, G. Wang, Y. W. Yeh, N. Yao, J. E. Rault, P. L.
F`evre, F. Bertran, H. T. Jeng, T. Kondo, A. Kaminski, H. Lin, Z. Liu, F. Song, S. Shin and M. Z. Hasan, Phys. Rev. B 94
(2016) 085127(1-7).

High-resolution three-dimensional spin- and angle-resolved photoelectron spectrometer using vacuum ultraviolet laser
light: K. Yaji, A. Harasawa, K. Kuroda, S. Toyohisa, M. Nakayama, Y. Ishida, A. Fukushima, S. Watanabe, C. Chen,
F. Komori and S. Shin, Rev. Sci. Instrum. 87 (2016) 053111(1-6).
Slater to Mott Crossover in the Metal to Insulator Transition of Nd2Ir2O7: M. Nakayama, T. Kondo, Z. Tian, J. J.
Ishikawa, M. Halim, C. Bareille, W. Malaeb, K. Kuroda, T. Tomita, S. Ideta, K. Tanaka, M. Matsunami, S. Kimura,
N. Inami, K. Ono, H. Kumigashira, L. Balents, S. Nakatsuji and S. Shin, Phys. Rev. Lett. 117 (2016) 05640(1-6).

10. †*Spin Polarization and Texture of the Fermi Arcs in the Weyl Fermion Semimetal TaAs: S.-Y. Xu, I. Belopolski,
D. S. Sanchez, M. Neupane, G. Chang, K. Yaji, Z. Yuan, C. Zhang, K. Kuroda, G. Bian, C. Guo, H. Lu, T.-R. Chang,
N. Alidoust, H. Zheng, C.-C. Lee, S.-M. Huang, C.-H. Hsu, H.-T. Jeng, A. Bansil, T. Neupert, F. Komori, T. Kondo,
S. Shin, H. Lin, S. Jia and M. Zahid Hasan, Phys. Rev. Lett. 116 (2016) 096801(1-7).
11. †* 角度分解光電子分光による精密測定で解き明かす銅酸化物高温超伝導体の擬ギャップと超伝導ギャップの競合関係 : 近
藤 猛 , 竹内 恒博 , 辛 埴 , 固体物理 51 (2016) 203-221.
12. 超高速時間分解光電子分光 : 石田 行章 , 表面科学 37 (2016) 31-36.
13. Microstructural evolution and correlated magnetic domain configuration of nanoparticles embedded in a single crystalof Cu75–Ni20–Fe5 alloy: J.-S. Kim, T. Taniuchi, M. Mizuguchi, S. Shin, K. Takanashi and M. Takeda, J. Phys. D: Appl.
Phys. 49 (2016) 335006(1-7).
14. Imaging of room-temperature ferromagnetic nano-domains at the surface of a non-magnetic oxide: T. Taniuchi,
Y. Motoyui, K. Morozumi, T. C. Rödel, F. Fortuna, A. F. Santander-Syro and S. Shin, Nat. Commun. 7 (2016) 11781(1-6).
15. †Electronic structure and relaxation dynamics in a superconducting topological material: M. Neupane, Y. Ishida,
R. Sankar, J.-X. Zhu, D. S. Sanchez, I. Belopolski, S.-Y. Xu, N. Alidoust, M. Mofazzel Hosen, S. Shin, F. Chou,
M. Zahid Hasan and T. Durakiewicz, Sci. Rep. 6 (2016) 22557(7 pages).

† Joint research with outside partners.

ISSP Activity Report 2016

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16. †Quasi-particles ultrafastly releasing kink bosons to form Fermi arcs in a cuprate superconductor: Y. Ishida, T. Saitoh,
T. Mochiku, T. Nakane, K. Hirata and S. Shin, Sci. Rep. 6 (2016) 18747(8 pages).
17. *Direct mapping of spin and orbital entangled wave functions under interband spin-orbit coupling of giant Rashba spinsplit surface states: R. Noguchi, K. Kuroda, K. Yaji, K. Kobayashi, M. Sakano, A. Harasawa, T. Kondo, F. Komori and
S. Shin, Phys. Rev. B 95 (2017) 041111(R)(1-6).
18. *Suppression of supercollision carrier cooling in high mobility graphene on SiC(000-1): T. Someya, H. Fukidome,
H. Watanabe, T. Yamamoto, M. Okada, H. Suzuki, Y. Ogawa, T. Iimori, N. Ishii, T. Kanai, K. Tashima, B. Feng,
S. Yamamoto, J. Itatani, F. Komori, K. Okazaki, S. Shin and I. Matsuda, Phys. Rev. B 95 (2017) 165303(1-7).
19. †*Ultrafast Melting of Spin DensityWave Order in BaFe2As2 Observed by Time- and Angle-Resolved Photoemission
Spectroscopy with Extreme-Ultraviolet Higher Harmonic Generation: H. Suzuki, K. Okazaki, T. Yamamoto, T. Someya,
M. Okada, K. Koshiishi, M. Fujisawa, T. Kanai, N. Ishii, M. Nakajima, H. Eisaki, K. Ono, H. Kumigashira, J. Itatani,
A. Fujimori and S. Shin, Phys. Rev. B 95 (2017) 165112(1-6).
20. †*Unusual nodal behaviors of the superconducting gap in the iron-based superconductor Ba(Fe0.65Ru0.35)2As2: Effectsof spin-orbit coupling: L. Liu, K. Okazaki, T. Yoshida, H. Suzuki, M. Horio, L. C. C. Ambolode II, J. Xu, S. Ideta,
M. Hashimoto, D. H. Lu, Z. -X. Shen, Y. Ota, S. Shin, M. Nakajima, S. Ishida, K. Kihou, C. H. Lee, A. Iyo, H. Eisaki,
T. Mikami, T. Kakeshita, Y. Yamakawa, H. Kontani, S. Uchida and A. Fujimori, Phys. Rev. B 95 (2017) 104504(1-5).
21. Topologically Entangled Rashba-Split Shockley States on the Surface of Grey Arsenic: P. Zhang, J. -Z. Ma, Y. Ishida,
L. -X. Zhao, Q. -N. Xu, B. -Q. Lv, K. Yaji, G. -F. Chen, H. -M. Weng, X. Dai, Z. Fang, X. -Q. Chen, L. Fu, T. Qian,
H. Ding and S. Shin, Phys. Rev. Lett. 118 (2017) 046802(1-5).
22. *Capturing ultrafast magnetic dynamics by time-resolved soft x-ray magnetic circular dichroism: K. Takubo,
K. Yamamoto, Y. Hirata, Y. Yokoyama, Y. Kubota, S. Yamamoto, S. Yamamoto, I. Matsuda, S. Shin, T. Seki, K.
Takanashi and H. Wadati, Appl. Phys. Lett. 110 (2017) 162401(1-5).
23. *Spin-dependent quantum interference in photoemission process from spin-orbit coupled states: K. Yaji, K. Kuroda,
S. Toyohisa, A. Harasawa, Y. Ishida, S. Watanabe, C. Chen, K. Kobayashi, F. Komori and S. Shin, Nat. Commun. 8(2017) 14588(1-6).
24. *Unconventional superconductivity in the BiS2-based layered superconductor NdO0.71F0.29BiS2: Y. Ota, K. Okazaki,
H. Q. Yamamoto, T. Yamamoto, S. Watanabe, C. Chen, M. Nagao, S. Watauchi, I. Tanaka, Y. Takano and S. Shin, Phys.
Rev. Lett 118 (2017) 167002(1-6).
25. *Polarization dependence of resonant magneto-optical Kerr effect measured by two types of figure-8 undulators:
Y. Kubota, Sh. Yamamoto, T. Someya, Y. Hirata, K. Takubo, M. Araki, M. Fujisawa, K. Yamamoto, Y. Yokoyama,
M. Taguchi, S. Yamamoto, M. Tsunoda, H. Wadati, S. Shin and I. Matsuda, J. Elec. Spec. Rel. Phenom (2016), in print.

I. Matsuda group
In 2016, we made large progress in research of the novel materials, especially "borophene". We directly observed its metallicity
and, moreover, we discovered the Dirac Fermions. It is of note that the borophene we synthesized is the first metal allotrope ofboron in a history of the condensed matter physics. Concerning our developments and experiments of the advanced spectroscopies, we successfully achieved in generating new techniques. One of them is to determine the element-specific complex
permittivity using a fast-switching undulator that we have developed at SPring-8 BL07LSU. The other is to measure soft X-ray
nonlinear effect with a X-ray free electron laser at SACLA. At the end-station of SPring-8 BL07LSU, we upgraded the timeresolved soft X-ray photoemission system by introducing a high-frequency laser. The time-resolved data for joint-researches
were improved significantly that has allowed us not only to measure with high-resolution but also to save beamtime and toaccept more proposals for our beamline.
1.

*

2.

Phonon-dressed two-dimensional carriers on the ZnO surface: R. Yukawa, K. Ozawa, S. Yamamoto, H. Iwasawa,
K. Shimada, E. F. Schwier, K. Yoshimatsu, H. Kumigashira, H. Namatame, M. Taniguchi and I. Matsuda, Phys. Rev. B
94 (2016) 165313(1-5).

3.

*

Direct evidence of metallic bands in a monolayer boron sheet: B. Feng, J. Zhang, R.-Y. Liu, T. Iimori, C. Lian, H. Li,
L. Chen, K. Wu, S. Meng, F. Komori and I. Matsuda, Phys. Rev. B 94 (2016) 041408(1-5).

Spin texture in type-II Weyl semimetal WTe2: B. Feng, Y.-H. Chan, Y. Feng, R.-Y. Liu, M.-Y. Chou, K. Kuroda, K. Yaji,
A. Harasawa, P. Moras, A. Barinov, W. Malaeb, C. Bareille, T. Kondo, S. Shin, F. Komori, T.-C. Chiang, Y. Shi and
I. Matsuda, Phys. Rev. B 94 (2016) 195134(1-5).

* Joint research among groups within ISSP.

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ISSP Activity Report 2016

4.

†*

5.

Generation of metallic eg-derived band at Cs/SrTiO3 interface observed by polarization-dependent photoemission
spectroscopy: K. Akikubo, I. Matsuda, D. Schmaus, G. Marcaud, S. Yamamoto, R.-Y. Liu, R. Yukawa, M. G. Silly,
F. Sirotti and M. D’Angelo, Thin Solid Films 603 (2016) 149-153.

6.

時間分解軟 X 線光電子分光法：半導体表面における光励起キャリアの実時間観測 : 山本 達 , 松田 巌 , 表面科学 37 (2016)

Proving Nontrivial Topology of Pure Bismuth by Quantum Confinement: S. Ito, B. Feng, M. Arita, A. Takayama,
R. -Y. Liu, T. Someya, W. -C. Chen, T. Iimori, H. Namatame, M. Taniguchi, C. -M. Cheng, S. -J. Tang, F. Komori,
K. Kobayashi, T. -C. Chiang and I. Matsuda, Phys. Rev. Lett. 117 (2016) 236402(1-5).

9-13.
7.

What Determines the Lifetime of Photoexcited Carriers on TiO2 Surfaces?: K. Ozawa, S. Yamamoto, R. Yukawa, R. -Y.
Liu, M. Emori, K. Inoue, T. Higuchi, H. Sakama, K. Mase and I. Matsuda, J. Phys. Chem. C 120 (2016) 29283-29289.

8.

Capturing transient charged states at the C60/TiO2(110) interface by time-resolved soft X-ray photoelectron spectroscopy: K. Ozawa, S. Yamamoto, R. Yukawa, K. Akikubo, M. Emori, H. Sakama and I. Matsuda, Organic Electronics 31(2016) 98-103.

9.

Microscopic observation and chemical mapping of opal phytoliths in a mulberry leaf: O. Tsutsui, R. Sakamoto,
M. Hattori, K. Hasegawa, T. Handa, D. Nishio-Hamane and I. Matsuda, Flora 218 (2016) 44-50.

10. *Real-time observation of reaction processes of CO2 on Cu(997) by ambient-pressure X-ray photoelectron spectroscopy:
T. Koitaya, S. Yamamoto, Y. Shiozawa, K. Takeuchi, R.-Y. Liu, K. Mukai, S. Yoshimoto, K. Akikubo, I. Matsuda andJ. Yoshinobu, Topic in Catalysis 59 (2016) 526-531.
11. Structure determination of germanene on an Al(111) surface using total-reflection high-energy positron diffraction:
Y. Fukaya, I. Matsuda, B. Feng I. Mochizuki, T. Hyodo and S. Shamoto, 2D Materials 3 (2016) 035019(1-7).
12. Tailoring photovoltage response at SrRuO 3/SrTiO3 heterostructures: R. Yukawa, S. Yamamoto, K. Akikubo,
K. Takeuchi, K. Ozawa, H. Kumigashira and I. Matsuda, Adv. Mat. Interfaces 3 (2016) 1600527(1-5).
13. *Surface state of the dual topological insulator Bi Sb (112): I. Matsuda, K. Yaji, A. A. Taskin, M. D'angelo, R. Yukawa,
Y. Ohtsubo, P. Le Fèvre, F. Bertran, S. Yoshizawa, A. Taleb-Ibrahimi, A. Kakizaki, Y. Ando and F. Komori, Physica B
516 (2017) 100-104.
14. *Suppression of supercollision carrier cooling in high mobility graphene on SiC(000-1): T. Someya, H. Fukidome,
H. Watanabe, T. Yamamoto, M. Okada, H. Suzuki, Y. Ogawa, T. Iimori, N. Ishii, T. Kanai, K. Tashima, B. Feng,
S. Yamamoto, J. Itatani, F. Komori, K. Okazaki, S. Shin and I. Matsuda, Phys. Rev. B 95 (2017) 165303(1-7).
15. †*Dirac Fermions in Borophene: B. Feng, O. Sugino, R.-Y. Liu, J. Zhang, R. Yukawa, M. Kawamura, T. Iimori, H. Kim,
Y. Hasegawa, H. Li, L. Chen, K. Wu, H. Kumigashira, F. Komori, T.-C. Chiang, S. Meng and I. Matsuda, Phys. Rev.
Lett. 118 (2017) 096401(1-6).
16. *Capturing ultrafast magnetic dynamics by time-resolved soft x-ray magnetic circular dichroism: K. Takubo,
K. Yamamoto, Y. Hirata, Y. Yokoyama, Y. Kubota, S. Yamamoto, S. Yamamoto, I. Matsuda, S. Shin, T. Seki, K.
Takanashi and H. Wadati, Appl. Phys. Lett. 110 (2017) 162401(1-5).
17. Time-resolved soft X-ray core-level photoemission spectroscopy to 880°C using pulsed laser and synchrotron radiation,and switched heating current: T. Abukawa, S. Yamamoto, R. Yukawa, S. Kanzaki, K. Mukojima and I. Matsuda, Surf.
Sci. 656 (2017) 43-47.
18. *Adsorption of CO2 on Graphene: A Combined TPD, XPS, and vdW-DF Study: K. Takeuchi, S. Yamamoto,Y. Hamamoto, Y. Shiozawa, K. Tashima, H. Fukidome, T. Koitaya, K. Mukai, S. Yoshimoto, M. Suemitsu, Y. Morikawa,J. Yoshinobu and I. Matsuda, J. Phys. Chem. C 121 (2017) 2807.
19. *CO2 adsorption on graphene studied by TPD and DFT calculation with van der Waals density functional: K. Takeuchi,
S. Yamamoto, Y. Hamamoto, Y. Shiozawa, K. Tashima, H. Fukidome, T. Koitaya, K. Mukai, S. Yoshimoto, M. Suemitsu,
Y. Morikawa, J. Yoshinobu and I. Matsuda, J. Phys. Chem. C 121 (2017) 2807-2814.
20. *Interface Electronic Structure at the Topological Insulator-Ferrimagnetic Insulator Junction: Y. Kubota, K. Murata,
J. Miyawaki, K. Ozawa, M. Onbasli, T. Shirasawa, B. Feng, Sh. Yamamoto, R.-Y. Liu, S. Yamamoto, S. Mahatha,
P. Sheverdyaeva, P. Moras, C. Ross, S. Suga, Y. Harada, K. Wang and I. Matsuda, J. Phys. Condens. Matter 29 (2017)055002(1-6).
21. *Polarization dependence of resonant magneto-optical Kerr effect measured by two types of figure-8 undulators:
Y. Kubota, Sh. Yamamoto, T. Someya, Y. Hirata, K. Takubo, M. Araki, M. Fujisawa, K. Yamamoto, Y. Yokoyama,
M. Taguchi, S. Yamamoto, M. Tsunoda, H. Wadati, S. Shin and I. Matsuda, J. Elec. Spec. Rel. Phenom (2016), in print.
† Joint research with outside partners.

ISSP Activity Report 2016183

22. * ホウ素単原子シート「ボロフェン」：金属性とディラックフェルミオン : F. Baojie, 松田 巌 , 固体物理 (2017), in print.

Kobayashi group
We are developing a high-average-power, femtosecond laser system with Yb-doped fibers. Average power of 100 W is achieved.
1.

*

2.

10GHz を超える高繰り返し光周波数コム : 遠藤 護 , 小林 洋平 , 光学 45 (2016) 271-273.

3.

Ytterbium fiber-based, 270 fs, 100 W chirped pulse amplification laser system with 1 MHz repetition rate: Z. Zhao and
Y. Kobayashi, Appl. Phys. Express 9 (2016) 012701(1-4).

4.

Wavelength-spacing controllable, dual-wavelength synchronously mode locked Er:fiber laser oscillator based on dualbranch nonlinear polarization rotation technique: S. Wang, Z. Zhao and Y. Kobayashi, Opt. Express 24 (2016) 2822828238.

5.

*

6.

Phase-matched frequency conversion below 150 nm in KBe2BO3F2: T. Nakazato, I. Ito, Y. Kobayashi, X. Wang,
C. Chen and S. Watanabe, Optics Express 24 (2016) 17149-17158.

7.

Kerr-lens mode-locked bidirectional dual-comb ring laser for broadband dual-comb spectroscopy: T. Ideguchi,
T. Nakamura, Y. Kobayashi and K. Goda, Optica 3 (2016) 748-753.

8.

Magneto-optic modulator for high bandwidth cavity length stabilization: T. Nakamura, S. Tani, I. Ito and Y. Kobayashi,
Optics Express 25 (2017) 4994-5000.

9.

149.8 nm, the shortest wavelength generated by phase matching in nonlinear crystals: T. Nakazato, I. Ito, Y. Kobayashi,
X. Wang, C. Chen and S. Watanabe, in: Proc. SPIE 10088, Nonlinear Frequency Generation and Conversion: Materials
and Devices XVI (SPIE, 2017), 1008804(1-10).

High repetition pump-and-probe photoemission spectroscopy based on a compact fiber laser system: Y. Ishida, T. Otsu,
A. Ozawa, K. Yaji, S. Tani, S. Shin and Y. Kobayashi, Rev. Sci. Instrum. 87 (2016) 123902(1-11).

High-precision group-delay dispersion measurements of optical fibers via fingerprint-spectral wavelength-to-time
mapping: T. Ito, O. Slezak, M. Yoshita, H. Akiyama and Y. Kobayashi, Photon. Res. 4 (2016) 13-16.

10. 先端レーザー技術の産業展開 : 小林 洋平 , 趙 智剛 , 谷峻 太郎 , 月刊 OPTRONICS 35-418 (2016) 60-65.
11. ファイバーレーザーベース狭帯域 193nm 固体レーザーの開発 : 伊藤 紳二 , 玄 洪文 , 五十嵐 裕紀 , 趙 智剛 , 小林 洋平 ,光学 第 46 巻第 4 号 (2017) 125-130.

Itatani groupFirst, we continued the development of intense ultrafast MIR sources based on optical parametric amplification (OPA). One
source was BIBO-based OPA followed by difference frequency generation, which covered the spectral range in 5-10 μm.
Another source was KTA-based OPA that produced 100-%mu;J, 100-fs pulses at 3.2 μm. Both sources had stable carrierenvelope phases (CEPs), and were used to study high harmonic generation (HHG) in crystalline solids. Polarization-resolved
spectroscopy revealed the generation process of solid HHG where carrier transport in band structures played a significant role.
Nanotip experiments were also carried out with the MIR sources. We confirmed the plasmonic field enhancement by photoelectron measurement. Second, we continued strong field experiments using a BIBO-based optical parametric chirped pulse amplifier that routinely produced CEP-stable, 1.5-mJ, 10-fs pulses at 1.7μm with a repetition rate of 1 kHz. Attosecond streaking
measurement was achieved where diffuse atoms were ionized by an attosecond XUV pulse and a CEP-stable IR field. Generation of isolated 450-attosecond pulses at 100 eV was experimentally confirmed. This is the first attosecond streaking measurement using an OPCPA-based infrared source, showing the capability of IR-OPCPA to extend the attosecond methodology fromXUV (<200 eV) to soft-X-ray (>200 eV) regions. Such energy upscale is needed to realize ultrafast soft-X-ray spectroscopy
in future. We also started to develop a novel velocity-map-imaging photoelectron spectrometer under the collaboration with
Prof. Kling group in Germany. This apparatus is designed to measure the momentum distribution of photoelectrons up to 2 keV,which will be used to explore high-energy attosecond processes induced by long-wavelength optical fields.
1.

†

2.

Generation of carrier-envelope phase-stable mid-infrared pulses via dual-wavelength optical parametric amplification:
K. Kaneshima, N. Ishii, K. Takeuchi and J. Itatani, Opt. Express 24 (2016) 8660(1-6).

3.

†

Carrier-envelope phase mapping in laser-induced electron diffraction: H. Geiseler, N. Ishii, K. Kaneshima, F. Geier,T. Kanai, O. I. Tolstikhin, T. Morishita and J. Itatani, Phys. Rev. A 94 (2016) 033417.

Attosecond streaking measurement of extreme ultraviolet pulses using a long-wavelength electric field: N. Saito,
N. Ishii, T. Kanai, S. Watanabe and J. Itatani, Sci. Rep. 6 (2016) 35594(1-5).
* Joint research among groups within ISSP.

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4.

Generation of spectrally stable 6.5-fs visible pulses via filamentatioin in krypton: K. Kaneshima, K. Takeuchi, N. Ishii
and J. Itatani, High Power Laser Science and Engineering 4 (2016) e17(1-5).

5.

*

6.

†*

Suppression of supercollision carrier cooling in high mobility graphene on SiC(000-1): T. Someya, H. Fukidome,
H. Watanabe, T. Yamamoto, M. Okada, H. Suzuki, Y. Ogawa, T. Iimori, N. Ishii, T. Kanai, K. Tashima, B. Feng,
S. Yamamoto, J. Itatani, F. Komori, K. Okazaki, S. Shin and I. Matsuda, Phys. Rev. B 95 (2017) 165303(1-7).
Ultrafast Melting of Spin DensityWave Order in BaFe2As2 Observed by Time- and Angle-Resolved Photoemission
Spectroscopy with Extreme-Ultraviolet Higher Harmonic Generation: H. Suzuki, K. Okazaki, T. Yamamoto, T. Someya,
M. Okada, K. Koshiishi, M. Fujisawa, T. Kanai, N. Ishii, M. Nakajima, H. Eisaki, K. Ono, H. Kumigashira, J. Itatani,
A. Fujimori and S. Shin, Phys. Rev. B 95 (2017) 165112(1-6).

Harada group
Integrating the ambient pressure setup using a differential pumping system realized by FY2015, micro-focusing of the X-ray
beam using KB mirrors, and angle resolved mode using the newly developed rotation chamber, we realized the following soft
X-ray resonant inelastic X-ray scattering (RIXS) experiments in FY2016. (A)Observation of two-dimensional (excitation energy
and momentum) mapping of RIXS By optimizing the focusing optics and using the horizontal rotation of the RIXS spectrometer, angle resolved soft X-ray RIXS spectra of high Tc cuprates were obtained across O 1s resonance, which provides uniqueinformation about the Cu-O mixing and resultant dispersion from the oxygen side. (B)Combined use of soft X-ray diffraction
and RIXS using the angle resolved system High resolution angle resolved RIXS enables us combined use of soft X-ray diffraction from the elastic part and soft X-ray RIXS from the inelastic part. The first demonstration of such experiment was performed
for LaSrFeO4 which is well known to exhibit orbital ordering. Spatial modulation of the electron density yields not only soft
X-ray diffraction but also intensity modulation of RIXS by the scattering angle, showing possibility of measuring ‘inelastic
X-ray diffraction’. This year we have accepted 14 collaborative works at BL07LSU HORNET endstation, which include theabove two topics and study on water encapsulated in polymers, bio-inspired materials, humidity dependence of functionaltransition metal complexes and operando analysis of Li ion battery electrodes.
1.

†

2.

†

Resonant inelastic x-ray scattering study of entangled spin-orbital excitations in superconducting PrFeAsO0.7:
T. Nomura, Y. Harada, H. Niwa, K. Ishii, M. Ishikado, S. Shamoto and I. Jarrige, Phys. Rev. B 94 (2016) 035134(1-9).

3.

†

4.

†

5.

In Situ Hard X-ray Photoelectron Study of O2 and H2O Adsorption on Pt Nanoparticles: Y. Cui, Y. Harada, E. Ikenaga,
R. Li, N. Nakamura, T. Hatanaka, M. Ando, T. Yoshida, G.-L. Li and M. Oshima, J. Phys. Chem. C 120 (2016) 1093610940.

6.

†

7.

†

8.

Pt-free carbon-based fuel cell catalyst prepared from spherical polyimide for enhanced oxygen diffusion: Y. Nabae,
S. Nagata, T. Hayakawa, H. Niwa, Y. Harada, M. Oshima, A. Isoda, A. Matsunaga, K. Tanaka and T. Aoki, Sci. Rep. 6(2016) 23276(1-7).

9.

†

Hybridization and electron-phonon coupling in ferroelectric BaTiO3 probed by resonant inelastic x-ray scattering:
S. Fatale, S. Moser, J. Miyawaki, Y. Harada and M. Grioni, Phys. Rev. B 94 (2016) 195131(1-6).

Redox Potential Paradox in NaxMO2 for Sodium-Ion Battery Cathodes: Y. Nanba, T. Iwao, B. M. D. Boisse, W. Zhao,
E. Hosono, D. Asakura, H. Niwa, H. Kiuchi, J. Miyawaki, Y. Harada, M. Okubo and A. Yamada, Chem. Mater. 28(2016) 1058-1065.
Combined Experimental and Computational Analyses on the Electronic Structure of Alluaudite-Type Sodium Iron
Sulfate: G. Oyama, H. Kiuchi, S. C. Chung, Y. Harada and A. Yamada, J. Phys. Chem. C 120 (2016) 23323-23328.

Characterization of nitrogen species incorporated into graphite using low energy nitrogen ion sputtering: H. Kiuchi,
T. Kondo, M. Sakurai, D. Guo, J. Nakamura, H. Niwa, J. Miyawaki, M. Kawai, M. Oshima and Y. Harada, Phys. Chem.
Chem. Phys. 18 (2016) 458-465.
Intermediate honeycomb ordering to trigger oxygen redox chemistry in layered battery electrode: B. M. D. Boisse,
G. Liu, J. Ma, S.-I. Nishimura, S.-C. Chung, H. Kiuchi, Y. Harada, J. Kikkawa, Y. Kobayashi, M. Okubo and A. Yamada,Nat. Commun. 7 (2016) 11397(1-9).

Lewis Basicity of Nitrogen-Doped Graphite Observed by CO2 Chemisorption: H. Kiuchi, R. Shibuya, T. Kondo,
J. Nakamura, H. Niwa, J. Miyawaki, M. Kawai, M. Oshima and Y. Harada, Nanoscale Res Lett 11 (2016) 127(1-7).

10. Electronic Structure of Pt and Pt-Co Nanoparticles with O2 and O2/H2O Adsorption Revealed by In Situ XAFS andHard X-Ray Photoelectron Spectroscopy: Y. -T. Cui, Y. Harada, T. Hatanaka, N. Nakamura, M. Ando, T. Yoshida,
E. Ikenaga, K. Ishii, D. Matsumura, R. Li and M. Oshima, ECS Transactions 72 (2016) 131-136.
11. †X-ray and Electron Spectroscopy of Water: T. Fransson, Y. Harada, N. Kosugi, N. A. Besley, B. Winter, J. J. Rehr, L. G.
M. Pettersson and A. Nilsson, Chem. Rev. 116 (2016) 7551-7569.
† Joint research with outside partners.

ISSP Activity Report 2016185

12. *Interface Electronic Structure at the Topological Insulator-Ferrimagnetic Insulator Junction: Y. Kubota, K. Murata,
J. Miyawaki, K. Ozawa, M. Onbasli, T. Shirasawa, B. Feng, Sh. Yamamoto, R.-Y. Liu, S. Yamamoto, S. Mahatha,
P. Sheverdyaeva, P. Moras, C. Ross, S. Suga, Y. Harada, K. Wang and I. Matsuda, J. Phys. Condens. Matter 29 (2017)055002(1-6).

Wadati group
We succeeded in the observation of photoinduced demagnetization and insulator-to-metal transition in ferromagnetic insulating
BaFeO3 thin films by time-resolved x-ray magnetic circular dichroism. We also studied the thickness-dependent physicalproperties of La1/3Sr2/3FeO3 thin films to obtain critical thickness for charge ordering.
1.

Thickness-dependent physical properties of La1/3Sr2/3FeO3 thin films grown on SrTiO3 (001) and (111) substrates:
M. Minohara, M. Kitamura, H. Wadati, H. Nakao, R. Kumai, Y. Murakami and H. Kumigashira, J. Appl. Phys. 120(2016) 025303(1-6).

2.

Photoinduced Demagnetization and Insulator-to-Metal Transition in Ferromagnetic Insulating BaFeO3 Thin Films:
T. Tsuyama, S. Chakraverty, S. Macke, N. Pontius, C. Schüßler-Langeheine, H. Y. Hwang, Y. Tokura and H. Wadati,
Phys. Rev. Lett. 116 (2016) 256402(1-5).

3.

新型スピントロニクスと悪魔の階段 : 和達 大樹 , パリティ 31 (2016) 48-51.

4.

Material/element-dependent fluorescence-yield modes on soft X-ray absorption spectroscopy of cathode materials for
Li-ion batteries: D. Asakura, E. Hosono, Y. Nanba, H. Zhou, J. Okabayashi, C. Ban, P. -A. Glans, J. Guo, T. Mizokawa,
G. Chen, A. J. Achkar, D. G. Hawthron, T. Z. Regier and H. Wadati, AIP Advances 6 (2016) 035105(1-8).

5.

時間分解 X 線回折・分光で見た遷移金属化合物 : 和達 大樹 , 固体物理 52(5) (2017) 45-53.

6.

*

7.

Resonant Soft X-Ray Scattering Studies of Transition-Metal Oxides: H. Wadati, Springer Tracts in Modern Physics 269(2017) 159-196.

8.

Electronic Structures of SrIrO3/SrTiO3 Superlattices Revealed by Synchrotron X-Ray Diffraction and Spectroscopy:
H. Wadati, S. Yamamura, K. Ishii, M. Suzuki, E. Ikenaga, J. Matsuno and H. Takagi, Adv. X-Ray. Chem. Anal., Japan 48(2017) 215-223.

9.

*

Capturing ultrafast magnetic dynamics by time-resolved soft x-ray magnetic circular dichroism: K. Takubo,
K. Yamamoto, Y. Hirata, Y. Yokoyama, Y. Kubota, S. Yamamoto, S. Yamamoto, I. Matsuda, S. Shin, T. Seki, K.
Takanashi and H. Wadati, Appl. Phys. Lett. 110 (2017) 162401(1-5).

Polarization dependence of resonant magneto-optical Kerr effect measured by two types of figure-8 undulators:
Y. Kubota, Sh. Yamamoto, T. Someya, Y. Hirata, K. Takubo, M. Araki, M. Fujisawa, K. Yamamoto, Y. Yokoyama,
M. Taguchi, S. Yamamoto, M. Tsunoda, H. Wadati, S. Shin and I. Matsuda, J. Elec. Spec. Rel. Phenom (2016), in print.

Kondo group
We use angle-resolved photoemission spectroscopy (ARPES) with ultrahigh energy resolution. The main findings in 2016 are as
follows: (1) Slater to Mott Crossover in the Metal to Insulator Transition of Nd2Ir2O7, (2) Orbital-Dependent Band Narrowing
on the Topmost Layer of Sr2RuO4, and (3) Coherent control over three-dimensional spin polarization for the spin-orbit coupledsurface state of Bi2Se3.
1.

*

2.

†*

3.

*

Coherent control over three-dimensional spin polarization for the spin-orbit coupled surface state of Bi2Se3: K. Kuroda,
K. Yaji, M. Nakayama, A. Harasawa, Y. Ishida, S. Watanabe, C. -T. Chen, T. Kondo, F. Komori and S. Shin, Phys. Rev. B
94 (2016) 165162(R)(1-5).
Fermi arc electronic structure and Chern numbers in the type-II Weyl semimetal candidate MoxW1−xTe2: I. Belopolski,
S. Y. Xu, Y. Ishida, X. Pan, P. Yu, D. S. Sanchez, H. Zheng, M. Neupane, N. Alidoust, G. Chang, T. R. Chang, Y. Wu,
G. Bian, S. M. Huang, C. C. Lee, D. Mou, L. Huang, Y. Song, B. Wang, G. Wang, Y. W. Yeh, N. Yao, J. E. Rault, P. L.
F`evre, F. Bertran, H. T. Jeng, T. Kondo, A. Kaminski, H. Lin, Z. Liu, F. Song, S. Shin and M. Z. Hasan, Phys. Rev. B 94
(2016) 085127(1-7).
Spin texture in type-II Weyl semimetal WTe2: B. Feng, Y.-H. Chan, Y. Feng, R.-Y. Liu, M.-Y. Chou, K. Kuroda, K. Yaji,
A. Harasawa, P. Moras, A. Barinov, W. Malaeb, C. Bareille, T. Kondo, S. Shin, F. Komori, T.-C. Chiang, Y. Shi and
I. Matsuda, Phys. Rev. B 94 (2016) 195134(1-5).

* Joint research among groups within ISSP.

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4.

*

5.

Generation of Transient Photocurrents in the Topological Surface State of Sb2Te3 by Direct Optical Excitation with
Midinfrared Pulses: K. Kuroda, J. Reimann, J. Güdde and U. Höfer, Phys. Rev. Lett. 116 (2016) 076801.

6.

Orbital-Dependent Band Narrowing Revealed in an Extremely Correlated Hund's Metal Emerging on the Topmost Layer
of Sr2RuO4: T. Kondo, M. Ochi, M. Nakayama, H. Taniguchi, S. Akebi, K. Kuroda, M. Arita, S. Sakai, H. Namatame,
M. Taniguchi, Y. Maeno, R. Arita and S. Shin, Phys. Rev. Lett. 117 (2016) 056403.

7.

†*

8.

†*

Spin Polarization and Texture of the Fermi Arcs in the Weyl Fermion Semimetal TaAs: S.-Y. Xu, I. Belopolski,
D. S. Sanchez, M. Neupane, G. Chang, K. Yaji, Z. Yuan, C. Zhang, K. Kuroda, G. Bian, C. Guo, H. Lu, T.-R. Chang,
N. Alidoust, H. Zheng, C.-C. Lee, S.-M. Huang, C.-H. Hsu, H.-T. Jeng, A. Bansil, T. Neupert, F. Komori, T. Kondo,
S. Shin, H. Lin, S. Jia and M. Zahid Hasan, Phys. Rev. Lett. 116 (2016) 096801(1-7).

9.

†*

High-resolution three-dimensional spin- and angle-resolved photoelectron spectrometer using vacuum ultraviolet laser
light: K. Yaji, A. Harasawa, K. Kuroda, S. Toyohisa, M. Nakayama, Y. Ishida, A. Fukushima, S. Watanabe, C. Chen,
F. Komori and S. Shin, Rev. Sci. Instrum. 87 (2016) 053111(1-6).

Slater to Mott Crossover in the Metal to Insulator Transition of Nd2Ir2O7: M. Nakayama, T. Kondo, Z. Tian, J. J.
Ishikawa, M. Halim, C. Bareille, W. Malaeb, K. Kuroda, T. Tomita, S. Ideta, K. Tanaka, M. Matsunami, S. Kimura,
N. Inami, K. Ono, H. Kumigashira, L. Balents, S. Nakatsuji and S. Shin, Phys. Rev. Lett. 117 (2016) 05640(1-6).

角度分解光電子分光による精密測定で解き明かす銅酸化物高温超伝導体の擬ギャップと超伝導ギャップの競合関係 : 近
藤 猛 , 竹内 恒博 , 辛 埴 , 固体物理 51 (2016) 203-221.

10. *Direct mapping of spin and orbital entangled wave functions under interband spin-orbit coupling of giant Rashba spinsplit surface states: R. Noguchi, K. Kuroda, K. Yaji, K. Kobayashi, M. Sakano, A. Harasawa, T. Kondo, F. Komori and
S. Shin, Phys. Rev. B 95 (2017) 041111(R)(1-6).
11. Ultrafast energy- and momentum-resolved surface Dirac photocurrents in the topological insulator Sb2Te3: K. Kuroda,
J. Reimann, K. A. Kokh, O. E. Tereshchenko, A. Kimura, J. Güdde and U. Höfer, Phys. Rev. B 95 (2017) 081103(R).
12. *Spin-dependent quantum interference in photoemission process from spin-orbit coupled states: K. Yaji, K. Kuroda,
S. Toyohisa, A. Harasawa, Y. Ishida, S. Watanabe, C. Chen, K. Kobayashi, F. Komori and S. Shin, Nat. Commun. 8(2017) 14588(1-6).

Okazaki group
We have investigated superconducting-gap structures of unconventional superconductors such as iron-based superconductors
and BiS2-based superconductors by a low-temperature and high-resolution laser ARPES apparatus and transient electronic
structures in photo-excited non-equilibrium states by a time-resolved ARPES apparatus using EUV and SX lasers. In the fiscal
year 2016, we have revealed unconventional superconductivity in NdO0.71F0.29BiS2 from its quite anisotropic superconducting
gap structure, and importance of the spin-orbit coupling for the superconducting gap anisotropy of Ba(Fe0.65Ru0.35)2As2.
In addition, we have observed ultrafast melting of the spin density wave order in BaFe2As2 and a photo-induced excitonicinsulator-to-semimetal transition in Ta2NiSe5.
1.

Suppression of the antiferromagnetic pseudogap in the electron-doped high-temperature superconductor by protect
annealing: M. Horio, T. Adachi, Y. Mori, A. Takahashi, T. Yoshida, H. Suzuki, L. C. C. Ambolode, K. Okazaki, K. Ono,
H. Kumigashira, H. Anzai, M. Arita, H. Namatame, M. Taniguchi, D. Ootsuki, K. Sawada, M. Takahashi, T. Mizokawa,
Y. Koike and A. Fujimori, Nat. Commun. 7 (2016) 10567(1-8).

2.

*

3.

†*

Ultrafast Melting of Spin DensityWave Order in BaFe2As2 Observed by Time- and Angle-Resolved Photoemission
Spectroscopy with Extreme-Ultraviolet Higher Harmonic Generation: H. Suzuki, K. Okazaki, T. Yamamoto, T. Someya,
M. Okada, K. Koshiishi, M. Fujisawa, T. Kanai, N. Ishii, M. Nakajima, H. Eisaki, K. Ono, H. Kumigashira, J. Itatani,
A. Fujimori and S. Shin, Phys. Rev. B 95 (2017) 165112(1-6).

4.

†*

5.

*

Suppression of supercollision carrier cooling in high mobility graphene on SiC(000-1): T. Someya, H. Fukidome,
H. Watanabe, T. Yamamoto, M. Okada, H. Suzuki, Y. Ogawa, T. Iimori, N. Ishii, T. Kanai, K. Tashima, B. Feng,
S. Yamamoto, J. Itatani, F. Komori, K. Okazaki, S. Shin and I. Matsuda, Phys. Rev. B 95 (2017) 165303(1-7).

Unusual nodal behaviors of the superconducting gap in the iron-based superconductor Ba(Fe0.65Ru0.35)2As2: Effectsof spin-orbit coupling: L. Liu, K. Okazaki, T. Yoshida, H. Suzuki, M. Horio, L. C. C. Ambolode II, J. Xu, S. Ideta,
M. Hashimoto, D. H. Lu, Z. -X. Shen, Y. Ota, S. Shin, M. Nakajima, S. Ishida, K. Kihou, C. H. Lee, A. Iyo, H. Eisaki,
T. Mikami, T. Kakeshita, Y. Yamakawa, H. Kontani, S. Uchida and A. Fujimori, Phys. Rev. B 95 (2017) 104504(1-5).
Unconventional superconductivity in the BiS2-based layered superconductor NdO0.71F0.29BiS2: Y. Ota, K. Okazaki,
H. Q. Yamamoto, T. Yamamoto, S. Watanabe, C. Chen, M. Nagao, S. Watauchi, I. Tanaka, Y. Takano and S. Shin, Phys.
Rev. Lett 118 (2017) 167002(1-6).
† Joint research with outside partners.

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