1Yusuke Araki
The University of Tokyo
Department of Advanced Materials Science
Prof. Arima & Tokunaga group

E-mail: 3405287116@edu.k.u-tokyo.ac.jp
Address: Box 608, Kibantou 5-1-5 Kashiwanoha,Kashiwa, Chiba, 277-8561, Japan

Education• B.En. Department of Applied Physics, The University of Tokyo, 2016.
• M.Sc. Department of Advanced Materials Science, The University of Tokyo, 2018.
• Visiting Researcher, Dr. Menaert group, Institut NEEL, Grenoble, France, 2018.

Research Interests
Multiferroics, Magnetoelectric eﬀect, Topological magnetic texture

Research Experience• Single Crystal Growth- Floating zone melting method- Bridgemann melting method- Flux method- Chemical vapor transport method• Macroscopic measurement- Magnetization- Electric polarization- AC permittivity• Quantum beam measurement- X-ray crystal structure analysis- Small-Angle resonant X-ray magnetic scattering- Neutron magnetic scattering

Fellowships
Program for Leading Graduate Schools (MERIT), The University of Tokyo (2016/10 ∼)Awards• Oral session Awards, Condensed-Matter Physics Summer School
Best Speaker Presentation Award (2016/08)

2Memberships• The Physical Society of Japan (JPS)• "Toward a NewClass Magnetism by Chemically-controlled Chirality" -JPSJ Core-to-Core
program, A. Advanced Research Networks-Publications & Presentations
Papers
1. Lattice and magnetic dynamics in the polar, chiral, and incommensurate antiferromagnet
Ni2 InSbO6
M. A. Prosnikov, A. N. Smirnov, V. Yu. Davydov, Y. Araki, T. Arima, and R. V. Pisarev
Phys. Rev. B 100, 144417 (2019).
2. Magnetic phase diagram enriched by chemical substitution in a noncentrosymmetric helimagnet
T. Sato, Y. Araki, A. Miyake, A. Nakao, N. Abe, M. Tokunaga, S. Kimura, Y. Tokunaga,and T. Arima
Phys. Rev. B 101, 054414 (2020).
3. Metamagnetic transitions and magnetoelectric responses in the chiral polar helimagnet
Ni2 InSbO6
Y. Araki, T. Sato, Y. Fujima, N. Abe, M. Tokunaga, S. Kimura, D. Morikawa, V. Ukleev, Y.
Yamasaki, C. Tabata, H. Nakao, Y. Murakami, H. Sagayama, K. Ohishi, Y. Tokunaga, and T.
Arima
Phys. Rev. B 102, 054409 (2020).

Presentations (International conference)
1. Magnetic and magnetoelectric properties in a chiral polar magnet Ni2 InSbO6 (poster)
CEMS-QPEC Symposium on "EmergentQuantum Materials", P28, Tokyo, Japan (2017/01)
Y. Araki, N. Abe, M. Tokunaga, S. Kimura, Y.Tokunaga, and T. Arima
2. Magnetic and magnetoelectric properties in a chiral polar magnet Ni2 InSbO6 (poster)International Workshop "Dzyaloshinskii-Moriya Interaction and Exotic Spin Structure", P5,Peterhof, Russia (2017/05)
Y. Araki, N. Abe, M. Tokunaga, S. Kimura, Y.Tokunaga, and T. Arima
3. Proper-screw type helimagnetism in a chiral polar magnet Ni2 InSbO6 probed by soft X-ray
and neutron magnetic scattering (poster)The 9𝑡ℎ APCTP Workshop on Multiferroics, Chiba, Japan (2017/11)
Y. Araki, T. Sato, Y. Fujima, N. Abe, M. Tokunaga, S. Kimura, D. Morikawa,
V. Ukleev, Y. Yamasaki, C. Tabata, H. Nakao, Y. Murakami, H. Sagayama, K. Oishi,
Y. Tokunaga, T. Arima

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4. Proper-screw type helimagnetism in a chiral polar magnet Ni2 InSbO6 probed by soft X-ray
and neutron magnetic scattering (poster)
JSPS Core-to-Core Program 2017【S-5】"A Consortium to Eploit Spin Chirality in Advanced
Materials", Hiroshima, Japan (2017/12)
Y. Araki, T. Sato, Y. Fujima, N. Abe, M. Tokunaga, S. Kimura, D. Morikawa,
V. Ukleev, Y. Yamasaki, C. Tabata, H. Nakao, Y. Murakami, H. Sagayama, K. Oishi,
Y. Tokunaga, T. Arima
5. High-ﬁeld optical study of metamagnetic transitions in a chiral polar magnet Ni2 InSbO6(oral)
International Workshop "Dzyaloshinskii-Moriya Interaction and Exotic Spin Structure",
Petrozavodsk, Russia (2019/07)
Y. Araki, Z. Yang, T. Sato, N. Abe, Y. Kohama, M. Tokunaga, S. Kimura, Y. Tokunaga, T.
Arima

Presentations (Domestic conference)
1. Magnetic and magneticelectric properties in chiral polar magnet Ni2−𝑥 Mn𝑥 InSbO6Japan Physical Society Autumn Meeting, 14aJB-9, Ishikawa, Japan (2016/09)
Y. Araki, N. Abe, H. Sagayama, M. Tokunaga, Y. Tokunaga, T. Arima(oral)

2. Magnetic phase diagram in a chiral polar magnet Ni2 InSbO6 (oral)
Japan Physical Society Spring Meeting, 18pH11-7, Osaka, Japan (2017/03)
Y. Araki, N. Abe, T. Sato, M. Tokunaga, S. Kimura, Y. Tokunaga, T. Arima
3. Magnetic structure in a chiral polar magnet Ni2 InSbO6 (oral)
Japan Physical Society Autumn Meeting, 22pF21-7, Iwate, Japan (2017/09)
Y. Araki, T. Sato, Y. Fujima, N. Abe, M. Tokunaga, S. Kimura, D. Morikawa,
V. Ukleev, Y. Yamasaki, C. Tabata, H. Nakao, Y. Murakami, H. Sagayama, K. Oishi,
Y. Tokunaga, T. Arima
4. Proper-screw type helimagnetism in a chiral polar magnet Ni2 InSbO6 probed by soft X-ray
and neutron magnetic scattering (poster)
2017 年度量子ビームサイエンスフェスタ, Ibaraki, Japan (2018/03)
Y. Araki, T. Sato, Y. Fujima, N. Abe, M. Tokunaga, S. Kimura, D. Morikawa,
V. Ukleev, Y. Yamasaki, C. Tabata, H. Nakao, Y. Murakami, H. Sagayama, K. Oishi,
Y. Tokunaga, T. Arima
5. High-ﬁeld optical study of metamagnetic transitions in a chiral polar magnet Ni2 InSbO6(oral)
Japan Physical Society Spring Meeting, 14pF304-15, Fukuoka, Japan (2019/03)
Y. Araki, Z. Yang, T. Sato, N. Abe, Y. Kohama, M. Tokunaga, S. Kimura, Y. Tokunaga, T.
Arima
6. Electric ﬁeld control of helimagnetic order in a chiral polar magnet Ni2 InSbO6Japan Physical Society Autumn Meeting, 12pB14-13, Gifu, Japan (2019/09)
Y. Araki, T. Nakajima, K. Ohishi, N. Abe, Y. Tokunaga, T. Arima(oral)

7. Electric ﬁeld control of helimagnetic order in a chiral polar magnet Ni2 InSbO6
2019 年度量子ビームサイエンスフェスタ, Ibaraki, Japan (2020/03)
Y. Araki, T. Nakajima, K. Ohishi, N. Abe, Y. Tokunaga, T. Arima(poster)

4Thesis1. Master thesis, Department of Advanced Materials Science, The University of Tokyo
Magnetic and magnetoelectric properties in a chiral polar magnet Ni2 InSbO6
2. Graduation thesis, Department of Applied Physics, The University of Tokyo
Magnetoelectric eﬀect in an antiferromagnet Cu2 V2 O7