日本語Japanese 

Employment

• 2023.4- NanoTerasu Center, National Institutes for Quantum Science and Technology

• 2019.4-2023.4 Research associate, Institute for Molecular Science (supervisor:  Prof. Toshihiko Yokoyama)

Education

• 2022.3 Ph.D. in physics, University of Tokyo
  "Photo-induced spin dynamics of ferro- and antiferromagnetic thin films studied by synchrotron radiation"

• 2017.4-2019.3 Ph. D. course student, Dept. of Phys., University of Tokyo (Supervisor: Prof. Hiroki Wadati, Institute for Solid State Physics, University of Tokyo)

• 2017.3 MS, Dept. of Phys., Univ. of Tokyo (Supervisor: Prof. Hiroki Wadati, Institute for Solid State Physics, University of Tokyo)

• 2015.3 BS, Dept. of Phys., Univ. of Tokyo

• 2011.3 Mito First High School

Achievements

Original papers

1. Eugenio Ferrari, Hiroki Ueda, Danny Fainozzi, Taito Osaka, Filippo Bencivenga, Max Burian, Pietro Carrara, Joan Vila-Comamala, Riccardo Cucini, Christian David, Alessandro Gessini, Simon Gerber, Andrii Goloborodko, Ales Hrabec, Ichiro Inoue, Yuichi Inubushi, Ludmila M. Diniz Leroy, Riccardo Mincigrucci, Eugenio Paris, Bill Pedrini, Benedikt Roesner, Jérémy R. Rouxel, Carles Serrat, Valerio Scagnoli, Kensuke Tono, Makina Yabashi, Jumpei Yamada, Kohei Yamamoto, Marie Christine Zdora, Martin Beye, Claudio Masciovecchio, Majed Chergui, Urs Staub, Cristian Svetina
   "All hard X-ray transient grating spectroscopy"
   Commun Phys 8, 257 (2025)

2. Miyawaki, Jun, Kohei Yamamoto, Hisao Kiuchi, Yoshihisa Harada
   "Ultrahigh Resolution and High Efficiency RIXS/XES Spectrometers at NanoTerasu BL02U and BL07U"
   Synchrotron Radiation News 38, 4 (2025)

3. Yoshiyuki Ohtsubo, Miho Kitamura, Tetsuro Ueno, Hideaki Iwasawa, Kohei Yamamoto, Jun Miyawaki, Kento Inaba, Akane Agui, Nobuhito Inami, Takeshi Nakatani, Takashi Imazono, Tomoyuki Takeuchi, Kentaro Fujii, Hiroaki Kimura, Koji Horiba
   "BL13U of NanoTerasu: a beamline for soft and tender X-ray absorption spectroscopy with versatile photon polarization"
   J. Phys.: Conf. Ser. 3010, 012079 (2025)

4. Kohei Yamamoto, Ralph Ugalino, Kentaro Fujii, Yoshiyuki Ohtsubo, Hideaki Iwasawa, Miho Kitamura, Takashi Imazono, Nobuhito Inami, Takeshi Nakatani, Kento Inaba, Akane Agui, Tomoyuki Takeuchi, Hiroaki Kimura, Masamitu Takahasi, Koji Horiba, Jun Miyawaki
   "Status of RIXS Beamline BL02U at NanoTerasu"
   J. Phys.: Conf. Ser. 3010, 012115 (2025)

5. S. Nakata, M. Bejas, J. Okamoto, K. Yamamoto, D. Shiga, R. Takahashi, H. Y. Huang, H. Kumigashira, H. Wadati, J. Miyawaki, S. Ishida, H. Eisaki, A. Fujimori, A. Greco, H. Yamase, D. J. Huang, H. Suzuki
   "Out-of-phase plasmon excitations in the trilayer cuprate Bi2Sr2Ca2Cu3O10+δ"
   Phys. Rev. B 111, 165141 (2025)

6. Kohei Yamagami, Hiroki Ueda, Urs Staub, Yujun Zhang, Kohei Yamamoto5, Sang Han Park, Soonnam Kwon, Akihiro Mitsuda, Hirofumi Wada, Takayuki Uozumi8, Kojiro Mimura, Hiroki Wadati
   "4⁢𝑓 electron temperature driven ultrafast electron localization"
   Phys. Rev. Research 6, 023099 (2024)

7. Takuo Ohkochi, Ryunosuke Takahashi, Hidenori Fujiwara, Hirokazu Takahashi, Roman Adam, Umut Parlak, Kohei Yamamoto, Hitoshi Osawa, Masato Kotsugi, Arata Tsukamoto, Hiroki Wadati, Akira Sekiyama, Claus M. Schneider, Masakiyo Tsunoda, Shigemasa Suga, Toyohiko Kinoshita
   "Investigation of deterministic and cumulative nature in helicity-dependent optical switching of ferrimagnetic Gd–Fe–Co films"
   Journal of Magnetism and Magnetic Materials  593, 171854 (2024) 

8. Hiroki  Wadati,  Kohei Yamamoto
   "Observation of spin dynamics of ferromagnets and antiferromagnets using the time structure of X-rays"
   JSAP Rev. 2023, 230217 (2023)

9. Le Duc Anh, Masaki Kobayashi, Takahito Takeda, Kohsei Araki, Ryo Okano, Toshihide Sumi, Masafumi Horio, Kohei Yamamoto, Yuya Kubota, Shigeki Owada, Makina Yabashi, Iwao Matsuda, Masaaki Tanaka
   "Ultrafast Subpicosecond Magnetization of a 2D Ferromagnet"
   Advanced Materials 35, 2301347 (2023)

10. Yujun Zhang, Tsukasa Katayama, Akira Chikamatsu, Christian Schüßler-Langeheine, Niko Pontius, Yasuyuki Hirata, Kou Takubo, Kohei Yamagami, Keisuke Ikeda, Kohei Yamamoto, Tetsuya Hasegawa, Hiroki Wadati
    "Photo-induced antiferromagnetic-ferromagnetic and spin-state transition in a double-perovskite cobalt oxide thin film"
    Communications Physics 5, 50/1-9 (2022)

11. K. Kawaguchi, T. Miyamachi, T. Gozlinski, T. Iimori, Y. Takahashi, T. Hattori, K. Yamamoto, T. Koitaya, H. Iwayama6, O. Ishiyama, E. Nakamura, M. Kotsugi, W. Wulfhekel, T. Yokoyama, and F. Komori
    "Layer-resolved magnetic moments in N-surfactant assisted FeNi ordered alloy thin films"
    Japanese Journal of Applied Physics 61, SL1001 (2022)

12. Kohei Yamamoto, Tomoyuki Tsuyama, Suguru Ito, Kou Takubo, Iwao Matsuda, Niko Pontius, Christian Schüßler-Langeheine, Makoto Minohara, Hiroshi Kumigashira, Yuichi Yamasaki, Hironori Nakao, Youichi Murakami, Takayoshi Katase, Toshio Kamiya, Hiroki Wadati
    "Photoinduced Transient States of Antiferromagnetic Orderings in La1/3Sr2/3FeO3 and SrFeO3 Thin Films Observed through Time-resolved Resonant Soft X-ray Scattering"
    New Journal of Physics 24, 043012 (2022)
    Mynavi news 

13. K. Takubo, T. Mizokawa, H. Man, K. Yamamoto, Y. Zhang, Y. Hirata, H. Wadati, D. I. Khomskii, S. Nakatsuji
    "6-GHz lattice response in a quantum spin-orbital liquid probed by time-resolved resonant x-ray scattering"
    Physical Review B 104, 205110 (2021)

14. T. Suzuki, Y. Kubota, A. Nakamura, T. Shimojima, K. Takubo, S. Ito, K. Yamamoto, S. Michimae, H. Sato, H. Hiramatsu, H. Hosono, T. Togashi, M. Yabashi, H. Wadati, I. Matsuda, S. Shin, and K. Okazaki
    "Ultrafast optical stress on BaFe2As2"
    Phys. Rev. Research 3, 033222 (2021)

15. K. Takubo, T. Mizokawa, H. Man, K. Yamamoto, Y. Zhang, Y. Hirata, H. Wadati, A. Yasui, D. I. Khomskii and S. Nakatsuji
    "Spin-orbital liquid in Ba3CuSb2O9 stabilized by oxygen holes"
    10.1103/PhysRevMaterials.5.075002; arXiv:2005.08200 

16. Y. Ishii, K. Yamamoto, Y. Yokoyama, M. Mizumaki, H. Nakao, T. Arima, Y. Yamasaki
    "Soft X-ray Vortex Beam detected by In-line Holography" 
    Phys. Rev. Appl. 14, 064069 (2020); arXiv:2006.16552

17. Y. Zhang, Y. Z. Luo, L. Wu, M. Suzuki, Y. Hirata, K. Yamagami, K. Takubo, K. Ikeda, K. Yamamoto, A. Yasui, N. Kawamura, C. Lin, K. Koshiishi, X. Liu, J. Zhang, Y. Hotta, X. R. Wang, A. Fujimori, Y. Lin, C. Nan, L. Shen, and H. Wadati
    "Interfacial-hybridization-modified Ir Ferromagnetism and Electronic Structure in LaMnO3/SrIrO3 Superlattices"
    Phys. Rev. Res. 2, 033496 (2020); arXiv:2004.06864

18. S. Sakamoto, K. Kaminaga, D. Oka, R. Yukawa, M. Horio, Y. Yokoyama, K. Yamamoto, K. Takubo, Y. Nonaka, K. Koshiishi, M. Kobayashi, A. Tanaka, A. Yasui, E. Ikenaga, H. Wadati, H. Kumigashira, T. Fukumura, and A. Fujimori 
    "Hard and soft x-ray photoemission spectroscopy study of the new Kondo system SmO thin film"
    Phys. Rev. Mater. 4, 095001 (2020); arXiv:2004.06315

19. K. Yamamoto, S. E. Moussaoui, Y. Hirata, S. Yamamoto, Y. Kubota, S. Owada, M. Yabashi, T. Seki, K. Takanashi, I. Matsuda, and H. Wadati
    "Element-selective tracking ultrafast demagnetization process in Co/Pt multilayer thin films by the resonant magneto-optical Kerr effect"
    Appl. Phys. Lett. 116, 172406 (2020); arXiv:1910.01556

20. K. Yamamoto, Y. Kubota, M. Suzuki, Y. Hirata, K. Carva, M. Berritta, K. Takubo, Y. Uemura, R. Fukaya, K. Tanaka, W. Nishimura, T. Ohkochi, T. Katayama, T. Togashi, K. Tamasaku, M. Yabashi, Y. Tanaka, T. Seki, K. Takanashi, P. M. Oppeneer, and H. Wadati
    "Ultrafast demagnetization of Pt magnetic moment in L10-FePt probed by hard x-ray free electron laser"
    New J. Phys. 21, 123010 (2019); arXiv:1810.02551

21. C. Lin, M. Horio, T. Kawamata, S. Saito, K. Koshiishi, S. Sakamoto, Y. Zhang, K. Yamamoto, K. Ikeda, Y. Hirata, K. Takubo, H. Wadati, A. Yasui, Y. Takagi, E. Ikenaga, T. Adachi, Y. Koike, and A. Fujimori
    ”Nature of carrier doping in T'-La1.8-xEu0.2SrxCuO4 studied by X-Ray Photoemission and Absorption Spectroscopy" 
    J. Phys. Soc. Japan 88, 115004 (2019); arXiv:1907.06211 

22. Y. Yokoyama, K. Kawakami, Y. Hirata, K. Takubo, K. Yamamoto, K. Abe, A. Mitsuda, H. Wada, T. Uozumi, S. Yamamoto, I. Matsuda, K. Mimura, and H. Wadati
    "Study of photoinduced valence dynamics in EuNi2(Si0.21Ge0.79)2 through time-resolved X-ray absorption spectroscopy"
    Phys. Rev. B 100, 115123-1-6 (2019); arXiv:1905.04120

23. K. Yoshimatsu, J. Ishimaru, K. Watarai, K. Yamamoto, Y. Hirata, H. Wadati, Y. Takeda, K. Horiba, H. Kumigashira, O. Sakata, and A. Ohtomo
    "Magnetic and electronic properties of B-site-ordered double-perovskite oxide La2CrMnO6 thin films"
    Phys. Rev. B 99, 235129-1-8 (2019)

24. S. Yamamoto, H. S. Kato, A. Ueda, S. Yoshimoto, Y. Hirata, J. Miyawaki, K. Yamamoto, Y. Harada, H. Wadati, H. Mori, J. Yoshinobu, and I. Matsuda
    ”Direct Evidence of Interfacial Hydrogen Bonding in Proton-Electron Concerted 2D Organic Bilayer on Au Substrate”
    E-Journal Surf. Sci. Nanotechnol. 17, 49 (2019)

25. K. Takubo, K. Yamamoto, Y. Hirata, H. Wadati, T. Mizokawa, R. Sutarto, F. He, K. Ishii, Y. Yamasaki, H. Nakao, Y. Murakami, G. Matsuo, H. Ishii, M. Kobayashi, K. Kudo, and M. Nohara
    “Commensurate versus incommensurate charge ordering near the superconducting dome in Ir1-xPtxTe2 revealed by resonant x-ray scattering”
    Phys. Rev. B 97, 205142-1-9 (2018)

26. Sh. Yamamoto, T. Omi, H. Akai, Y. Kubota, Y. Takahashi, Y. Suzuki, Y. Hirata, K. Yamamoto, R. Yukawa, K. Horiba, H. Yumoto, T. Koyama, H. Ohashi, S. Owada, K. Tono, M. Yabashi, E. Shigemasa, S. Yamamoto, M. Kotsugi, H. Wadati, H. Kumigashira, T. Arima, S. Shin, and I. Matsuda
    “Element Selectivity in Second-Harmonic Generation of GaFeO3 by a Soft-X-Ray Free-Electron Laser”
    Phys. Rev. Lett. 120, 223902-1-5 (2018)

27. K. Yamamoto, Y. Hirata, M. Horio, Y. Yokoyama, K. Takubo, M. Minohara, H. Kumigashira, Y. Yamasaki, H. Nakao, Y. Murakami, A. Fujimori, and H. Wadati 
    “Thickness dependence and dimensionality effects of charge and magnetic orderings in La1/3Sr2/3FeO3 thin films”
    Phys. Rev. B 97, 75134-1-6 (2018) 

28. M. Horio, Y. Krockenberger, K. Yamamoto, Y. Yokoyama, K. Takubo, Y. Hirata, S. Sakamoto, K. Koshiishi, A. Yasui, E. Ikenaga, S. Shin, H. Yamamoto, H. Wadati, and A. Fujimori
    “Electronic structure of Ce-doped and undoped Nd2CuO4 superconducting thin films studied by hard x-ray photoemission and soft x-ray absorption spectroscopies”
    Phys. Rev. Lett. 120, 257001-1-6 (2018)

29. Y. Kubota, Y. Hirata, J. Miyawaki, S. Yamamoto, H. Akai, R. Hobara, Sh. Yamamoto, K. Yamamoto, T. Someya, K. Takubo, Y. Yokoyama, M. Araki, M. Taguchi, Y. Harada, H. Wadati, M. Tsunoda, R. Kinjo, A. Kagamihata, T. Seike, M. Takeuchi, T. Tanaka, S. Shin, and I. Matsuda
    “Determination of the element-specific complex permittivity using a soft x-ray phase modulator”
    Phys. Rev. B 96, 214417-1-6 (2017)

30. Y. Kubota, M. Taguchi, H. Akai, Sh. Yamamoto, T. Someya, Y. Hirata, K. Takubo, M. Araki, M. Fujisawa, K. Yamamoto, Y. Yokoyama, S. Yamamoto, M. Tsunoda, H. Wadati, S. Shin, and I. Matsuda
    “L-edge resonant magneto-optical Kerr effect of a buried Fe nanofilm”
    Phys. Rev. B 96, 134432-1-6 (2017)

31. K. Takubo, K. Yamamoto, Y. Hirata, Y. Yokoyama, Y. Kubota, S. Yamamoto, S. Yamamoto, I. Matsuda, S. Shin, T. Seki, K. Takanashi, and H. Wadati
    “Capturing ultrafast magnetic dynamics by time-resolved soft x-ray magnetic circular dichroism”
    Appl. Phys. Lett. 110, 162401-1-5 (2017) 

32. R. Akashi, Y. Iida, K. Yamamoto, and K. Yoshizawa
    “Interference of the Bloch phase in layered materials with stacking shifts”
    Phys. Rev. B 95, 245401-1-27 (2017)

Proceedings

1. Y. Kubota, M. Suzuki, T. Katayama, K. Yamamoto, K. Tono, Y. Inubushi, T. Seki, K. Takanashi, H. Wadati, and M. Yabashi
   "Polarization control with an X-ray phase retarder for high-time-resolution pump–probe experiments at SACLA"
   J. Synchrotron Radiat. 26, 1139-1143 (2019)

2. Sh. Yamamoto, Y. Kubota, K. Yamamoto, Y. Takahashi, K. Maruyama, Y. Suzuki, R. Hobara, M. Fujisawa, D. Oshima, S. Owada, T. Togashi, K. Tono, M. Yabashi, Y. Hirata, S. Yamamoto, M. Kotsugi, H. Wadati, T. Kato, S. Iwata, S. Shin, and I. Matsuda
   “Femtosecond resonant magneto-optical Kerr effect measurement on an ultrathin magnetic film in a soft X-ray free electron laser”
   Jpn. J. Appl. Phys. 57, 09TD02-1-4 (2018)

3. Y. Kubota, Sh. Yamamoto, T. Someya, Y. Hirata, K. Takubo, M. Araki, M. Fujisawa, K. Yamamoto, Y. Yokoyama, M. Taguchi, S. Yamamoto, M. Tsunoda, H. Wadati, S. Shin, and I. Matsuda
   “Polarization dependence of resonant magneto-optical Kerr effect measured by two types of figure-8 undulators”
   J. Electron Spectros. Relat. Phenomena 220, 17-20 (2017) 

Presentations in International Conferences 

only presentations made by me

1. [Poster]  Kohei Yamamoto, Kentaro Fujii , Koji Horiba, Yoshiyuki Ohtsubo , Hideki Iwasawa, Miho Kitamura , Takashi Imazono , Nobuhito Inami, Takeshi Nakatani, Kento Inaba, Akane Agui , Tomoyuki Takeuchi, Hiroaki Kimura, Masamitsu Takahasi , Jun Miyawaki "Commissioning Status of a New Resonant Soft X-ray Inelastic Scattering Instrument at NanoTerasu BL02U" IXS2024, himeji, Japan

2. [oral, invited]   K. Yamamoto "Photo-induced ultrafast magnetization dynamics of ferromangetic thin films studied by x-ray free electron lasers"  Magnetics and Optics Research International Symposium (MORIS2022), Shimane, Japan

3. [oral, invited] K. Yamamoto, "Photo-induced Magnetization Dynamics Observed with Synchrotron Radiation and Free Electron Lasers" Conference on Laser and Synchrotron Radiation Combination Experiment 2020 (LSC2020), online (due to COVID-19) , 2020/3/23

4. [oral]  K. Yamamoto, S. E. Moussaoui, Y. Hirata, S. Yamamoto, Y. Kubota, S. Owada, M. Yabashi, T. Seki, K. Takanashi, I. Matsuda, H. Wadati "Element specific observation of photo-induced ultrafast magnetization dynamics with soft x-ray free electron laser"  Magnetics and Optics Research International Symposium (MORIS2019), Prague, Czech

5. [oral]  K. Yamamoto, Y. Kubota, M. Suzuki, Y. Hirata, K. Carva, M. Berritta, K. Takubo, Y. Uemura, R. Fukaya, K. Tanaka, W. Nishimura, T. Ohkochi, T. Katayama, T. Togashi, K. Tamasaku, M. Yabashi, Y. Tanaka, T. Seki, K. Takanashi, P. M. Oppeneer, and H. Wadati, "Ultrafast demagnetization in ferromagnetic FePt thin films probed by x-ray free electron laser" The 40th International Conference on Vacuum Ultraviolet and X-ray Physics (VUVX2019), San Francisco, USA

6. [oral]  K. Yamamoto, Y. Kubota, M. Suzuki, Y. Hirata, K. Takubo, Y. Uemura, R. Fukaya, K. Tanaka, W. Nishimura, T. Ohkochi, T. Katayama, T. Togashi, K. Tamasaku, M. Yabashi, Y. Tanaka, T. Seki, K. Takanashi and H. Wadati、"Ultrafast demagnetization in Pt-containing ferromagnetic thin films probed by x-ray free electron laser" Topological Phases and Functionality of Correlated Electron Systems 2019, 2019/2/18, Kashiwa, Japan

7. [poster]  K. Yamamoto, Y. Hirata, M. Horio, Y. Yokoyama, K. Takubo, M. Minohara, H. Kumigashira, Y. Yamasaki, H. Nakao, Y. Murakami, A. Fujimori, and H. Wadati "Thickness dependence of charge and magnetic orderings in La1/3Sr2/3FeO3 thin films studied by hard and soft x-ray scattering" Th-1-24, SCES 2017 (poster), Prague, Czech

8. [poster]  K. Yamamoto, Y. Hirata, M. Horio, Y. Yokoyama, K. Takubo, M. Minohara, H. Kumigashira, Y. Yamasaki, H. Nakao, Y. Murakami, A. Fujimori and H. Wadati  “Hard and Soft X-Ray Scattering Study of Charge and Magnetic Orderings in La1/3Sr2/3FeO3 Thin Films”  Symposium on Surface Science & Nanotechnology - 25th Anniversary of SSSJ Kansai -, Kyoto, 2017/1/24-25 PS-17Y (poster), Kyoto, Japan

9. [poster]  K. Yamamoto, Y. Hirata, M. Horio, Y. Yokoyama, K. Takubo, M. Minohara, H. Kumigashira, Y. Yamasaki, H. Nakao, Y. Murakami, A. Fujimori, H. Wadati "Thickness and orientation dependence of charge and magnetic orders in La1/3Sr2/3FeO3/SrTiO3 thin films measured by X-ray scattering" The 16-th Japan-Korea-Taiwan Workshop on Strongly Correlated Electron Systems 、2016/2/20poster No.36,  Tokyo, Japan

Research Funding

(KAKENHI)

1.  Grant-in-Aid for Early-Career Scientists (21K14539, 2021-04-01 – 2024-03-31)

2. Grant-in-Aid for Research Activity start-up (19K23430, 2019-08-30 – 2021-03-31)

(others)

1. 2017 Motizuki Fund of Yukawa Memorial Foundation (financial support for participating in an international conference)

2. 2016 Murata Science Foundation (financial support for an experiment in Germany)

Others

1. K. Yamamoto, Y. Hirata, M. Horio, Y. Yokoyama, K. Takubo, M. Minohara, H. Kumigashira, Y. Yamasaki, H. Nakao, Y. Murakami, A. Fujimori, and H. Wadati "Thickness Dependence and Critical Thickness of Charge and Magnetic Orderings in Antiferromagnetic Perovskite La1/3Sr2/3FeO3 Thin Films", Photon Factory Highlights 2017

Prizes, Awards

• 2025/2 41st Inoue Research Award for Young Scientists

• 2019 Young Scientist Presentation Award of The Japan Society of Applied Physics 

• 2018/3 The Best Poster Award, ISSP-Workshop "Status of SPring-8 BL07LSU and strategies for creating" (March, 2017) "Magnetization dynamics of FePt thin films measured by time-resolved x-ray magnetic circular dichroism at Pt L edge"

Fellowship

• 2015.10-2019.3 Advanced Leading Graduate Course for Photon Science (Univ. of Tokyo)

Membership

• The Physical Society of Japan

• The Japanese Society for Synchrotron Radiation Research

• The Japan Society of Applied Physics

経歴

• 2023年4月-  現職

• 2019年4月-2023年3月 分子科学研究所 助教 (横山利彦グループ)

• 2022年3月 博士 (理学)
  "Photo-induced spin dynamics of ferro- and antiferromagnetic thin films studied by synchrotron radiation"（放射光でみる強磁性・反強磁性体薄膜の光誘起磁気ダイナミクス）

• 2019年3月 中途退学

• 2017年4月 東京大学理学系研究科物理学専攻 博士課程 進学 (和達研究室、東京大学物性研究所)

• 2017年3月 東京大学理学系研究科物理学専攻 修士課程修了 修士(理学)

• 2015年10月-2019年3月 フォトンサイエンスリーディング大学院コース生

• 2015年4月 東京大学理学系研究科物理学専攻 修士課程 入学 (和達研究室、東京大学物性研究所)

• 2015年3月 東京大学理学部物理学科 卒業

• 2011年3月 茨城県立水戸第一高等学校 卒業

• 秋田県で育つ

業績

プレプリント、論文、プロシーディング、国際会議発表

=> 英語版参照

国内学会・会議

発表者の物のみ

1. 2021/3/16、応用物理学会春季学術講演会「X線の時間構造を使ったスピンダイナミクスの研究 」（invited）

2. 2020/9/28、日本磁気学会第227回研究会「SPring-8 BL07LSUとSACLAを用いた光誘起磁気ダイナミクスの時間分解測定 」（invited）

3. 2019/3/15、物理学会「時間分解共鳴軟X線回折でみるSrFeO_3_薄膜の反強磁性磁気秩序の光誘起過渡状態」15pS-PS-36 (poser)

4. 2019/3/10、応用物理学会「X線自由電子レーザーによる時間分解共鳴磁気光学カー効果測定でみるCo/Pt薄膜の磁化ダイナミクス」10a-S423-5 (oral) 

5. 2019/1/11、放射光学会「Pt L端時間分解X線磁気円二色性測定でみるFePt薄膜の磁化ダイナミクス」6G003 (oral)

6. 2018/9/19、応用物理学会「元素選択的にみたFePt薄膜の光誘起磁化ダイナミクス 」19a-331-2 (oral)

7. 2018/9/12、物理学会「Pt L端時間分解X線磁気円二色性測定でみるFePt薄膜の磁化ダイナミクス」12aC117-3 (oral)

8. 2018/3/24、物理学会「時間分解共鳴軟X線回折で見るLa1/3Sr2/3FeO3の磁気秩序の光誘起変化」24pK503-9(oral)

9. 2018/3/17、応用物理学会「Pt L端時間分解X線磁気円二色性測定でみるFePt薄膜の磁化ダイナミクス」17a-F202-5(oral)

10. 2018/1/8、放射光学会「時間分解磁気円二色性測定でみたCo/Pt多層膜の光誘起磁化変化のレーザー偏光依存性」2B003S(oral)

11. 2017/3/17、物理学会「Kerr顕微鏡・X線磁気円二色性で見る垂直磁化Co/Pt薄膜」17aK-PS-40 (poster)

12. 2017/3/14、応用物理学会「Fe(Pt,Pd)薄膜の時間分解磁気円二色性測定」14p-P10-89 (poster)

13. 2017/1/9、放射光学会「FePtPd薄膜の時間分解磁気円二色性測定」(oral)

14. 2017/1/9、放射光学会「硬・軟X線回折で見たLa1/3Sr2/3FeO3薄膜の電荷・磁気秩序の膜厚依存性」(poster)

15. 2016/9/16、日本物理学会「軟・硬X線で見たLa_1/3_Sr_2/3_FeO_3_薄膜の電荷・磁気秩序の膜厚依存性」16aJC-8 (oral)

16. 2016/9/13、日本物理学会「垂直磁化膜Fe(Pt,Pd)の硬X線光電子分光と軟X線磁気円二色性」13psa-10 (poser)

17. 2016/1/10、放射光学会「共鳴軟X線散乱でみたLa1/3Sr2/3FeO3 の磁気秩序の膜厚依存」 3E006 (oral)

18. 2016/3/19、日本物理学会「FePtPd 薄膜の時間分解磁気円二色性測定」19pBP-7 (oral)

19. 2015/9/19、日本物理学会「軟X 線回折によるLa1/3Sr2/3FeO3 薄膜の磁気秩序の膜厚依存性の研究」19aCD-2 (oral)

その他

1. 和達大樹、横山優一、山本航平、田久保耕、平田靖透
   "SPring-8とSACLAを用いた遷移金属化合物のダイナミクス研究～偏光X線パルスでみる光誘起磁気効果の超高速応答～"
   放射光 33, 271-281 (2020).

2. 山本航平
   "The 40th International Conference on Vacuum Ultraviolet and X-ray Physics（VUVX2019）報告"
   放射光 32, 333-335 (2019)

3. 山本航平、和達大樹
   "時間分解X線磁気円二色性で見るスピンダイナミクス"、
   まぐね Vol.14 No.3, 140-145 (2019)

4. K. Yamamoto, Y. Hirata, M. Horio, Y. Yokoyama, K. Takubo, M. Minohara, H. Kumigashira, Y. Yamasaki, H. Nakao, Y. Murakami, A. Fujimori, and H. Wadati
   "Thickness Dependence and Critical Thickness of Charge and Magnetic Orderings in Antiferromagnetic Perovskite La1/3Sr2/3FeO3 Thin Films"
   Photon Factory Highlights 2017

5. 和達大樹、山本航平
   "放射光X線回折を用いた遷移金属酸化物薄膜の電荷・スピンの整列状態の観測"
   表面科学 38, 602-607 (2017)

6. 小瀬川友香、荒木実穂子、山添康介、山本航平、松田 巌:
   "「光が奏でる楽器」一般公開で好評だった展示の紹介"
   表面と真空 61, 103-104 (2018)

外部資金

(科研費）

• 若手研究  (21K14539, 2021-04-01 – 2024-03-31)

• 研究活動スタート支援 (19K23430, 2019-08-30 – 2021-03-31)

(民間)

• 2017、湯川記念財団望月基金国際会議派遣

• 2016、村田学術振興財団研究者海外派遣援助「時間分解磁気円二色性測定によるダブルペロブスカイト型酸化物のスピンダイナミクスの観測」

受賞

• 2025/2 第41回 井上研究奨励賞

• 2019 春季応用物理学会 講演奨励賞 "X線自由電子レーザーによる時間分解共鳴磁気光学カー効果測定でみるCo/Pt薄膜の磁化ダイナミクス "

• 2018/3、ISSP-Workshop "SPring-8 BL07LSUの現状と次世代軟X線科学創成への戦略" ポスター賞「Pt L端時間分解X線磁気円二色性測定でみるFePt薄膜の磁化ダイナミクス」

所属学会

• 日本物理学会

• 放射光学会

• 応用物理学会