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J-GLOBAL ID：201601012369194331   Update date: Mar. 15, 2024

Yoshimatsu Kohei

ヨシマツ コウヘイ | Yoshimatsu Kohei
Affiliation and department：
Tokyo Institute of Technology School of Materials and Chemical Technology

About Tokyo Institute of Technology School of Materials and Chemical Technology


Job title： Associate Professor
Homepage URL  (1)： https://yoshimatsulab.wixsite.com/yoshimatsu-lab
Research field  (1)： Thin-film surfaces and interfaces
Research keywords  (5)： Transition-metal oxides ,  Superconductivity ,  Metal-insulator transition ,  Synchrotron radiation photoemission spectroscopy ,  Oxide thin films
Research theme for competitive and other funds  (8)：
  • 2022 - 2025 Optoelectronic properties of new metastable titanate that show various phase transitions
  • 2020 - 2022 Development of inexpensive Hall effects measurement system using two-AC method
  • 2019 - 2022 薄膜格子歪みによるTi2O3の金属絶縁体転移制御と応用
  • 2016 - 2019 単純酸化物薄膜が創る複雑な構造・電子物性
  • 2015 - 2018 Development of electroactive materials through the analysis of electronic phase diagrams of epitaxial transition-metal oxides
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Papers (84)：
  • K. Yoshimatsu, H. Nakao, H. Kumigashira. Temperature-induced structural and electronic phase transitions in λ -phase Ti3O5. Physical Review Materials. 2024. 8. 3. 035002-1-035002-9
  • D. Shiga, X. Cheng, T. T. Kim, T. Kanda, N. Hasegawa, M. Kitamura, K. Yoshimatsu, H. Kumigashira. Electronic phase diagram of Cr-doped VO2 epitaxial films studied by in situ photoemission spectroscopy. Physical Review B. 2023. 108. 4. 045112-1-045112-9
  • Tatsuhiko Kanda, Daisuke Shiga, Asato Wada, Ryotaro Hayasaka, Yuuki Masutake, Naoto Hasegawa, Miho Kitamura, Kohei Yoshimatsu, Hiroshi Kumigashira. Quantization condition of strongly correlated electrons in oxide nanostructures. Communications Materials. 2023. 4. 1. 27-1-27-6
  • 吉松 公平. パルスレーザ堆積法によるλ相Ti3O5薄膜の合成 -薄膜による準安定相図の安定化. レーザ加工学会誌. 2023. 30. 1. 42-45
  • K. Yoshimatsu, S. Miyazaki, N. Hasegawa, H. Kumigashira. Evidence of lattice deformation induced metal-insulator transition in Ti2O3. Physical Review B. 2022. 106. 8. L081110-1-L081110-6
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MISC (51)：
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Patents (3)：
  • λ-Ti3O5膜形成基板およびλ-Ti3O5膜形成基板の製造方法
  • 金属化合物結晶性膜及びその製法
  • 超伝導酸化物薄膜およびその製造方法
Lectures and oral presentations  (61)：
  • Ti2O3薄膜の電子相転移に伴なう電気特性と電子状態変化
    (2023年度東京工業大学極低温研究支援センター研究発表会 2024)
  • Electronic Structures of Ti2O3 Films revealed by Soft X-ray Angle-Resolved Photoemission Spectroscopy
    (8th Annual Conference of AnalytiX-2023 2023)
  • Synthesis of Metastable Titanate Film for Optoelectronic Applications
    (Advanced Materials & 10th Intermetallic Symposium 2023)
  • Modulation of superconductivity using Li-ion secondary battery technique
    (International Congress on Pure and Applied Chemistry (ICPAC) Kota Kinabalu 2022 2022)
  • 密度汎関数法によるTi2O3の金属絶縁体転移
    (第83回応用物理学会秋季学術講演会 2022)
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Education (3)：
  • 2009 - 2012 University of Tokyo Department of Applied Chemistry
  • 2007 - 2009 University of Tokyo Department of Applied Chemistry
  • 2003 - 2007 University of Tokyo Department of Applied Chemistry
Professional career (1)：
  • 工学博士 (東京大学)
Work history (12)：
  • 2023/08 - 現在 Tokyo Institute of Technology School of Materials and Chemical Technology Associate professor
  • 2023/04 - 2023/07 Tohoku University Graduate School of Science Department of Chemistry Associate Professor
  • 2023/04 - 2023/07 Tohoku University Institute of Multidisciplinary Research for Advanced Materials Associate Professor
  • 2018/10 - 2023/03 Tohoku University Graduate School of Science Department of Chemistry
  • 2018/10 - 2023/03 Tohoku University Multidisciplinary Research for Advanced Materials Lecturer
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Committee career (5)：
  • 2023/08 - 現在 東京工業大学極低温研究支援センター 極低温研究支援センター運営委員
  • 2023/04 - 現在 公益財団法人 応用物理学会 機関紙「応用物理」外部記者
  • 2022/12 - 現在 Frontiers in Materials Associate Editor
  • 2016/09 - 現在 Scientific Reports Editorial Broad Member
  • 2021/04 - 2023/03 公益財団法人 応用物理学会 機関紙「応用物理」 編集委員
Awards (15)：
  • 2024/02 - IOP Publishing Outstanding Reviewer Award Outstanding Reviewer Award 2023 for Journal of Physics: Condensed Matter, IOP publishing
  • 2024/01 - American Physical Society APS Outstanding Referee 2024 Outstanding Referees of the Physical Review journals
  • 2023/03 - 公益財団法人 応用物理学会 超伝導分科会 第14回応用物理学会超伝導分科会論文賞 “p-type transparent superconductivity in a layered oxide,” Sci. Adv. 6, eabb8570 (2020).
  • 2022/04 - IOP publishing Outstanding Reviewer Awards 2021 Outstanding Reviewer Awards 2021 for Journal of Physics D: Applied Physics
  • 2022/02 - 公益財団法人 応用物理学会 薄膜・表面物理分科会 第6回 応用物理学会薄膜・表面物理分科会 論文賞 “Thickness dependence of electronic structures in VO2 ultrathin films: Suppression of the cooperative Mott-Peierls transition”, Physical Review B 102, 115114 (2020).
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Association Membership(s) (4)：
日本化学会 ,  THE PHYSICAL SOCIETY OF JAPAN ,  THE JAPANESE SOCIETY FOR SYNCHROTRON RADIATION RESEARCH ,  THE JAPAN SOCIETY OF APPLIED PHYSICS
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