Kurumaji Takashi

クルマジタカシ | Kurumaji Takashi

Affiliation and department：
Homepage URL (1)： https://kurumaji.people.caltech.edu/

Research keywords (8)： Magnetic frustration , Fe2Mo3O8 , VOSe2O5 , Gd2PdSi3 , Magnetoelectric effect , Skyrmion , topological materials , Strongly correlated electron systems

Research theme for competitive and other funds (6)：

2023 - Single crystal synthesis and understanding of physical properties of novel magnetic topological semimetals with strong coupling between magnetism and conduction electrons
2021 - 2023 Development of emergent thermal and thermoelectric properties in topological magnets
2018 - 2020 Material development of novel topological magnetic semimetal with symmetry-breaking
2017 - 2018 Design of novel topological state with symmetry-breaking and non-trivial transport property
2017 - 2018 新規極性強磁性体における電気磁気応答の巨大化およびネール型スキルミオンの開発

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Papers (46)：

Qian Chen, Atsushi Miyake, Takashi Kurumaji, Keisuke Matsuura, Fumitaka Kagawa, Shin Miyahara, Yoshinori Tokura, Masashi Tokunaga. Multiple magnetoelectric plateaus in the polar magnet Fe2Mo3O8. Physical Review B. 2024. 109. 9
Masaki Gen, Hajime Ishikawa, Atsushi Miyake, Takeshi Yajima, Harald O. Jeschke, Hajime Sagayama, Akihiko Ikeda, Yasuhiro H. Matsuda, Koichi Kindo, Masashi Tokunaga, et al. Breathing pyrochlore magnet CuGaCr4S8: Magnetic, thermodynamic, and dielectric properties. Physical Review Materials. 2023. 7. 10
Keisuke Matsuura, Yo Nishizawa, Yuto Kinoshita, Takashi Kurumaji, Atsushi Miyake, Hiroshi Oike, Masashi Tokunaga, Yoshinori Tokura, Fumitaka Kagawa. Low-temperature hysteresis broadening emerging from domain-wall creep dynamics in a two-phase competing system. Communications Materials. 2023. 4. 1
Y. H. Zhuang, H. W. Liu, Y. H. Li, Y. M. Chang, T. Kurumaji, Y. Tokura, Y. M. Sheu. Crucial roles of phase competition and spin-lattice relaxation in the gigantic switchable optomagnet effect of (Fe0.875Zn0.125)2Mo3O8. Physical Review B. 2023
Takashi Kurumaji, Masaki Gen, Shunsuke Kitou, Kazuhiko Ikeuchi, Mitsutaka Nakamura, Akihiko Ikeda, Taka-hisa Arima. Single crystal growths and magnetic properties of hexagonal polar semimetals RAuGe (R = Y, Gd-Tm, and Lu). Journal of Alloys and Compounds. 2023. 947. 169475-169475

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MISC (12)：

車地崇, 厳正輝, 厳正輝, 鬼頭俊介, 池内和彦, 中村充孝, 池田暁彦, 有馬孝尚, 有馬孝尚. Single crystal growths and physical properties of magnetic polar semimetals RTX (R=Y, Gd-Tm, Lu). 日本物理学会講演概要集(CD-ROM). 2023. 78. 1
車地崇, 木俣基, 今城周作, 三石夏樹, 坂野昌人, 厳正輝, 厳正輝, 鬼頭俊介, 池内和彦, 中村充孝, et al. Breakdown of Lifshitz-Kosevich formula in quantum oscillations in rare-earth intermetallics TbTX. 日本物理学会講演概要集(CD-ROM). 2023. 78. 1
上野正人, 車地崇, 鬼頭俊介, 厳正輝, 中村唯我, 渡辺義人, 徳永祐介, 有馬孝尚, 有馬孝尚. Origin of non-linear magnetoelectric effect in non-collinear antiferromagnet Co₄Ta₂O₉. 日本物理学会講演概要集(CD-ROM). 2023. 78. 2
車地崇, 厳正輝, 厳正輝, 鬼頭俊介, 佐賀山基, 池田暁彦, 有馬孝尚, 有馬孝尚. Single crystal growth and anisotropic magnetotransport properties of a triangular-lattice helimagnet EuZnGe. 日本物理学会講演概要集(CD-ROM). 2022. 77. 2
中村優男, 中村優男, 堀内佐智雄, 賀川史敬, 小川直毅, 車地崇, 十倉好紀, 十倉好紀, 川崎雅司, 川崎雅司. 電子型強誘電体TTF-CAにおけるシフト電流光起電力効果. 日本物理学会講演概要集(CD-ROM). 2017. 72. 2

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Lectures and oral presentations (4)：

Symmetry and physical properties -helimagnetism, skyrmion, Hall effect-
(Condensed Matter Physics Summer School 2023)
Direct observation of cycloidal spin modulation in Néel-type skyrmion-hosting VOSe2O5
(13th international conference on Polarized Neutrons for Condensed Matter Investigation (PNCMI) 2021)
Inversion symmetry and skyrmion lattice
(JPS meeting 2021 Spring 2021)
Skyrmion lattice in a frustrated maget
(Center for Integrated Quantum Materials (CIQM) Quantum Materials and Devices Seminars 2020)

Education (3)：

2010 - 2014 The University of Tokyo The Graduate School of Engineering Department of Applied Physics
2008 - 2010 The University of Tokyo The Faculty of Engineering Department of Applied Physics
2006 - 2008 The University of Tokyo The Junior Division Natural Sciences I

Professional career (1)：

博士(工学) (東京大学)

Work history (9)：

2023/09 - 現在 California Institute of Technology Division of Physics, Mathematics and Astronomy Research Professor
2020/09 - 2023/08 Graduate School of Frontier Sciences, The University of Tokyo Department of Advanced Materials Science, Arima group LEADER ((Leading Initiative for Excellent Young Researchers program, MEXT Japan) Research Associate
2020/08 - 2020/09 Graduate School of Frontier Sciences, The University of Tokyo Department of Advanced Materials Science, Arima group Research Associate
2020/05 - 2020/07 Massachusetts Institute of Technology Postdoctoral Fellow (Checkelsky group)
2018/05 - 2020/04 Massachusetts Institute of Technology Postdoctoral Fellow (Checkelsky group, JSPS Overseas Research Fellowship)

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Awards (4)：

2021/10 - The Physical Society of Japan Young Scientist Award of the Physical Society of Japan (2022, 16th, Division 8) Development of new skyrmion-hosting materials and relationship with centrosymmetry
2018/01 - RIKEN Poster Award Physics II Prize
2012/03 - Department of Applied Physics, The University of Tokyo Shoji Tanaka Prize (Master Thesis Award)
2010/03 - Department of Applied Physics, The University of Tokyo Bachelor Thesis Awards

Association Membership(s) (1)：

日本物理学会

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