Sumida Kazuki

スミダカズキ | Sumida Kazuki

Affiliation and department：
Homepage URL (1)： https://sites.google.com/view/kazukisumida

Research field (3)： Thin-film surfaces and interfaces , Semiconductors, optical and atomic physics , Magnetism, superconductivity, and strongly correlated systems

Research keywords (9)： Heusler alloys , Weyl semimetal , Topological insulators , Two-dimensional van der Waals materials , Actinide compounds , Time-resolved photoemission spectroscopy , Spin-resolved photoemission spectroscopy , Angle-resolved photoemission spectroscopy , X-ray magnetic circular dichroism

Research theme for competitive and other funds (5)：

2024 - 2027 機能磁性材料ホイスラレンの創生と電子構造の解明
2023 - 2027 Search for novel topological quantum phases and elucidation of their electronic structures using multiple degrees of freedom in heavy electron systems
2021 - 2024 ホイスラー型ワイル磁性体薄膜の電子構造解明と熱電能の増強
2019 - 2022 二次元ファンデルワールス原子層薄膜における室温強磁性の起源解明
2016 - 2019 時間・スピン分解光電子分光によるディラック電子系のスピンダイナミクスの研究

Papers (38)：

Takuma Iwata, T. Kousa, Y. Nishioka, K. Ohwada, K. Sumida, E. Annese, M. Kakoki, Kenta Kuroda, H. Iwasawa, M. Arita, et al. Laser-based angle-resolved photoemission spectroscopy with micrometer spatial resolution and detection of three-dimensional spin vector. Scientific Reports. 2024. 14. 1
Kazuki Sumida, Yuichi Fujita, Weinan Zhou, Keisuke Masuda, Ikuto Kawasaki, Shin-ichi Fujimori, Akio Kimura, Yuya Sakuraba. Role of on-site Coulomb interactions in the half-metallic Weyl ferromagnet candidate thin-film Co2FeSi. Physical Review B. 2023. 108. 24
Hideaki Iwasawa, Kazuki Sumida, Shigeyuki Ishida, Patrick Le Fèvre, François Bertran, Yoshiyuki Yoshida, Hiroshi Eisaki, Andrés F. Santander-Syro, Taichi Okuda. Exploring spin-polarization in Bi-based high-Tc cuprates. Scientific Reports. 2023. 13. 1
Kazuki Sumida, Sota Higaki, Hitoshi Sato, Daichi Tsuru, Koji Miyamoto, Taichi Okuda, Yoshihiro Kuroiwa, Chikako Moriyoshi, Kouichi Takase, Tamio Oguchi, et al. One-Dimensional Band Structure in Quasi-Two-Dimensional η-Mo₄O₁₁ Revealed by Angle-Resolved Photoelectron Spectroscopy and First-Principles Calculation. Journal of the Physical Society of Japan. 2023. 92. 8
J. Reimann, K. Sumida, M. Kakoki, K. A. Kokh, O. E. Tereshchenko, A. Kimura, J. Güdde, U. Höfer. Ultrafast electron dynamics in a topological surface state observed in two-dimensional momentum space. Scientific Reports. 2023. 13. 1

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MISC (2)：

角田一樹, 桜庭裕弥, 木村昭夫. 光電子分光で探るCo基ホイスラー合金の電子構造とトポロジカル物性. 固体物理. 2023. 58. 3. 117-137
Kazuki Sumida, Yukiaki Ishida, Akio Kimura. Ultrafast Carrier Dynamics and Light-Induced Functionalizations of Topological Insulators. 2020. 75. 12. 756-760

Lectures and oral presentations (76)：

Observation of topological electronic structure in actinide monopnictide ThSb
(The 10th International Workshop on the Dual Nature of f-Electrons 2023)
時間分解光電子分光および磁気円二色性分光を用いたカルコゲン化合物の電子状態の研究
(日本物理学会2023年春季大会 2023)
Magnetic circular dichroism in extended X-ray absorption fine structure at the Mn L$_{2,3}$ edges on the Heusler alloy Co$_{2}$MnSi
(第36回日本放射光学会年会・放射光科学合同シンポジウム)
Ultrafast dynamics of topological insulator (Sb,Bi)$_2$Te$_3$ by time-resolved photoemission spectroscopy using visible and mid-infrared light
(第5回日本表面真空学会若手部会研究会)
Electronic state of heavy-fermion superconductor UPt$_3$ studied by soft X-ray photoemission spectroscopy
(日本物理学会2022年秋季大会(物性))

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Education (4)：

2016 - 2019 広島大学大学院理学研究科物理科学専攻
2014 - 2016 広島大学大学院理学研究科物理科学専攻
2012 - 2014 Hiroshima University
2006 - 2011 National Institute of Technology, Yonago College Department of Electronic Control Engineering

Professional career (1)：

博士(理学) (広島大学)

Work history (4)：

2023/09 - 現在 Hiroshima University Hiroshima Synchrotron Radiation Center
2020/04 - 2023/08 Japan Atomic Energy Agency
2019/04 - 2020/03 日本学術振興会特別研究員 PD(東京工業大学)
2016/04 - 2019/03 日本学術振興会特別研究員 DC1(広島大学)

Committee career (1)：

2021/10 - 2023/09 日本放射光学会広報委員

Awards (20)：

2023/03 - 日本物理学会2023年春季大会第17回若手奨励賞(領域9)
2022/11 - Springer Nature, Communications Materials Outstanding Reviewer Award
2018/03 - 日本物理学会第73回年次大会領域9学生賞
2018/03 - The 1st International Workshop on Emergent Condensed Matter Physics Best Student Poster Award
2017/12 - 広島大学平成29年度成績優秀学生エクセレントスチューデントスカラシップ

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Association Membership(s) (5)：

日本磁気学会 , 日本金属学会 , 応用物理学会 , 日本放射光学会 , 日本物理学会

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