PCOS 2023 TECHNICAL PROGRAM
November 16th (Thursday), 2023
13:00 – 13:05
Session 1Session Chairs:

Opening Remark: Symposium Co-chair, Takashi Harumoto (Tokyo Institute of Technology)
Keiichiro Yusu (Japan Science and Technology Agency)
Toshimichi Shintani (National Institute of Advanced Industrial Science and Technology)

13:05 – 13:40 (Invited)
1. Beyond p-electron-type chalcogenide materials
Shogo Hatayama
National Institute of Advanced Industrial Science and Technology
Session 2 Poster Session
Session Chairs:
Masashi Kuwahara (National Institute of Advanced Industrial Science and Technology)
Yuji Sutou (Tohoku University)
13:40 – 15:40
P1. Structural phase transition of resonantly bonded crystals induced by fs-laser irradiation
Yohei Kaise1, Hiroshi Tanimura1, Yuji Sutou2 and Tetsu Ichitsubo1
1Institute of Materials Research, Tohoku University

2Department of Material Science, Graduate School of Engineering, Tohoku University

P2. Ultrafast optical response of Peierls-distorted Nb1-xTixO2

Takumi Nakajima1, Hiroshi Tanimura1, Akihiro Ishii2, Hitoshi Takamura2, Yuji Sutou2 and Tetsu
Ichitsubo1
1Institute of Materials Research, Tohoku University

2Department of Materials Science, Graduate School of Engineering, Tohoku University

P3. The physical properties of MnTe2 films prepared by RF magnetron sputtering
Li, Shih-yuan1, Yi Shuang2, Daisuke Ando1 & Yuji Sutou1,2

1Department of Materials Science and Engineering, Tohoku University
2Advanced Institute for Materials Research, Tohoku University

P4. Electrical response of CrTe3 thin film in vibration mode

Rikuto Yoshida1, Wang Yinli1, Yi Shuang2, Daisuke Ando1, and Yuji Sutou1,2
1Graduate School of Engineering, Tohoku university
2Advanced Institute for Materials Research

P5. Magnetic Properties of β-MnTe Thin Films

R. Nakajima1, N. Fuchigami1, M. Kim2, T. Harumoto1, Y. Sutou2,3, J. Shi1

1Department of Materials Science and Engineering, School of Materials and Chemical Technology, Tokyo

Institute of Technology

2Department of Materials Science, Graduate School of Engineering, Tohoku University
3Advanced Institute for Materials Research, Tohoku University

P6.

Improved thermal stability of amorphous Si-Te by Mn doping for As- and Se-free Ovonicthreshold switch material

Kentaro Saito, Shogo Hatayama, and Yuta Saito

Device Technology Research Institute, National Institute of Advanced Industrial Science and Technology

P7.

Effect of transition-metal doping on the thermal stability of Ge-Te alloy films for As/Se-freeselector applications
Keisuke Hamano1,2, Eisuke Takeuchi1, Shogo Hatayama2, Yuta Saito2, and Paul Fons1
1Department of Electrical and Electronic Engineering, Keio University

2Device Technology Research Institute, National Institute of Advanced Industrial Science and Technology

P8. Effect of crystallization of GST on IMT of VO2 in GST/VO2 layered structure (II)- Comparison between TiO2 (001) and Al2O3 (001) substrates -Takuto Ohnuki1, Kunio Okimura1, Reki Nakamoto2, Yuji Muraoka3, Joe Sakai4 and Masashi
Kuwahara5
1Graduate School of Engineering, Tokai Univ.

2Graduate School of Natural Science and Technology, Okayama Univ.
3Okayama Univ. RIIS

4Toshima Manufacturing Co., Ltd.

5National Institute of Advanced Industrial Science and Technology

P9.

Focusing of microparticles in fluid by induced-charge electroosmosis flow using a phasechange material
Shota Eto1, Kotaro Makino2, Shogo Hatayama2, Yuta Saito2, and Toshiharu Saiki1
1Graduate School of Science and Technology, Keio University

2Device Technology Research Institute, National Institute of Advanced Industrial Science and Technology

P10. Observation and simulation of Janus particle population motion implementing pheromone
interactions

Hikaru Nagase, Bokusui Nakayama, Toshiharu Saiki, Yuta Saito, Shogo Hatayama, Kotaro Makino

Keio University

15:40 – 15:55 Short BreakSession 3
Session Chairs:

Yuta Saito (Tohoku University)
Takashi Yagi (National Institute of Advanced Industrial Science and Technology)

15:55 – 16:30 (Invited)
2. Non-volatile optical devices based on Ge2Sb2Te3S2 on Si photonics platform for computing
applications
M. Takenaka1, Y. Miyatake1, R. Tang1, K. Makino2, J. Tominaga2, N. Miyata2, M. Okano2, K.
Toprasertpong1, and S. Takagi1
1The University of Tokyo
2National Institute of Advanced Industrial Science and Technology (AIST)
16:30 – 17:05 (Invited)
3. Towards silicon based thermoelectric energy harvesting
Masahiro Nomura
Institute of Industrial Science, The University of Tokyo
17:05 – 17:40 (Invited)
4. Neuromorphic System using Memristor Array− Application Example of Phase-Change Memory using Cu2GeTe3 −Mutsumi Kimura1,2, Shihori Akane1, Isao Horiuchi3, Yasushi Hiroshima3, and YasuhikoNakashima2

1Ryukoku University
2NAIST

3KOA Corporation

November 17th (Friday), 2023
Session 4
Session Chairs:

Toshiharu Saiki (Keio University)
Hiroshi Tanimura (Tohoku University)

9:00 – 9:35 (Invited)
5. Transition-metal chalcogenides for phase-change materials
Yuji Sutou1,2
1Department of Material Science, Graduate School of Engineering, Tohoku University
2Advanced Institute for Materials Research, Tohoku University
9:35 – 10:10 (Invited)
6. Collective excitations in melts of fast phase change materials
GeCu2Te3 and Ge2Sb2Te5
Masanori Inui
Graduate School of Advanced Science and Engineering, Hiroshima University
10:10 – 10:30
7. NbTe4: A Promising 2D van der Waals Transition-metal Binary Chalcogenides for phase change
memoryYi Shuang1, Qian Chen2,3, Mihyeon Kim4, Yinli Wang4, Yuta Saito5, Shogo Hatayama5, Paul Fons6,Daisuke Ando4, Momoji Kubo2,3, Yuji Sutou1,4
1WPI Advanced Institute for Materials Research, Tohoku University
2New Industry Creation Hatchery Center, Tohoku University
3Institute for Materials Research, Tohoku University
4Department of Materials Science, Graduate School of Engineering, Tohoku University
5Device Technology Research Institute, National Institute of Advanced Industrial Science and Technology(AIST)
6Department of Electronics and Electrical Engineering, Faculty of Science and Technology, Keio University
10:30 – 10:45 Short BreakSession 5Session Chairs:

Takashi Harumoto (Tokyo Institute of Technology)
Takashi Yagi (National Institute of Advanced Industrial Science and Technology)

10:45 – 11:20 (Invited)
8. Density-functional theory study of the thermodynamic and Dynamic Properties of the stable
and metastable phases of MnTe
Paul Fons, Keisuke Hamano, Toshiharu Saiki, Hiroyuki Tsuda
Department of Electrical and Electronic Engineering, Keio University
11:20 – 11:40
9. Electrical changes in polymorphic Cr-Mn-Te ternary thin film
Mihyeon Kim1, Yi Shuang2, Daisuke Ando1, and Yuji Sutou1,2
1Department of Material Science, Graduate School of Engineering, Tohoku University
2Advanced Institute for Materials Research, Tohoku University

Taking group photos in the Conference Room
11:40 – 13:10 Lunch BreakSession 6Session Chairs:

Keiichiro Yusu (Japan Science and Technology Agency)
Masashi Kuwahara (National Institute of Advanced Industrial Science and Technology)

13:10 – 13:45 (Invited)
10. Design of 2D−3D structural switching material for giant physical property modulation
Takayoshi Katase
MDX Research Center for Element Strategy, International Research Frontiers Initiative, Tokyo Institute ofTechnology
13:45 – 14:20 (Invited)
11. Self-adaptive control of infrared emissivity based on VO2 for tunable radiative cooling
Masashi Ono
AGC Inc.
14:20 – 14:40
12. Electrical response in Cr2Ge2Te6 film under tensile force
Yinli Wang1, Yi Shuang2, Mayu Nakajima1, Daisuke Ando1, Fumio Narita3, Yuji Sutou1,21Tohoku Univ. (Eng.)
2AIMR
3Tohoku Univ. (Env.)
14:40 – 14:55 Short Break* Removal of posters
Session 7
Session Chairs:

Hiroshi Tanimura (Tohoku University)
Toshimichi Shintani (National Institute of Advanced Industrial Science and Technology)

14:55 – 15:15
13. Crystallization Kinetics in Si-GeTe: A Pathway to Optimized Synaptic Functions
Shinyoung Kang1, Mihyeon Kim1, Shuang Yi1,2, Daisuke Ando1, Yuji Sutou1
1Department of Materials Science, Tohoku University
2WPI Advanced Institute for Materials Research, Tohoku University
15:15 – 15:50 (Invited)
14. Localized levels of amorphous chalcogenide films evaluated by infrared photothermal
deflection spectroscopy
Tamihiro Gotoh
Graduate School of Science and Technology, Gunma University
15:50 – 16:25 (Invited)
15. Phase-change-assisted Stigmergy in an Active Colloidal System
Bokusui Nakayama1, Hikaru Nagase2, Hiromori Takahashi2, Yuta Saito3, Shogo Hatayama3,Kotaro Makino3, Eiji Yamamoto2, Masatoshi Ichikawa1, Akira Kakugo1 and Toshiharu Saiki2
1Graduate School of Science, Kyoto University
2Graduate School of Science and Technology, Keio University

3Device Technology Research Institute, AIST

16:25 – 16:30 Closing Remark: Symposium Co-chair, Toshimichi Shintani (National Institute of Advanced
Industrial Science and Technology)