橋本 佑介

English

研究業績

査読付き国際学術誌に発表した論文と特許

マテリアルズインフォマティクス

データ駆動型材料探索・機械学習・材料設計

  1. Y. Hashimoto, X. Jia, H. Li, T. Tomai, "A materials map integrating experimental and computational data via graph-based machine learning for enhanced materials discovery", APL Machine Learning 3, 036104 (2025).
  2. Y. Hashimoto, M. Kurita, "High-throughput screening of magnetic tunnel junction materials using machine learning", Applied Physics Letters 125, 032404 (2024).
  3. Y. Hashimoto, M. Kurita, S. Katsumata, A. Inayoshi, J. Iihama, A. Fukushima, K. Yakushiji, S. Yuasa, "Bayesian optimization of spin Hall magnetoresistance in Pt/CoFeB/MgO heterostructures", Physical Review B 108, 064418 (2023).
  4. Y. Hashimoto, S. Katsumata, Y. Miura, "Machine learning prediction of magnetic anisotropy energy of transition metal complexes", Journal of Chemical Physics 159, 154101 (2023).

スピントロニクス

スピン波制御・マグノニクス・スピントロニクス

  1. Takashi Kikkawa, Koichi Oyanagi, Tomosato Hioki, Masahiko Ishida, Zhiyong Qiu, Rafael Ramos, Yusuke Hashimoto, Eiji Saitoh, "Composition-tunable magnon-polaron anomalies in spin Seebeck effects in epitaxial BixY3-xFe5O12 films", Physical Review Materials 6(10), 104402 (2022).
  2. Tomosato Hioki, Yusuke Hashimoto, Eiji Saitoh, "Coherent oscillation between phonons and magnons", Communications Physics 5(1) (2022).
  3. Tomosato Hioki, Yusuke Hashimoto, Eiji Saitoh, "Bi-reflection of spin waves", Communications Physics 3(1) (2020).
  4. Tomosato Hioki, Rei Tsuboi, Tom H. Johansen, Yusuke Hashimoto, Eiji Saitoh, "Snell's law for spin waves at a 90-degree magnetic domain wall", Applied Physics Letters 116(11) (2020).
  5. R. Ramos, T. Hioki, Y. Hashimoto, T. Kikkawa, P. Frey, A. J. E. Kreil, V. I. Vasyuchka, A. A. Serga, B. Hillebrands, E. Saitoh, "Room temperature and low-field resonant enhancement of spin Seebeck effect in partially compensated magnets", Nature Communications 10, 5162 (2019).
  6. T. Hioki, Y. Hashimoto, T. H. Johansen, E. Saitoh, "Time-Resolved Imaging of Magnetoelastic Waves by the Cotton-Mouton Effect", Physical Review Applied 11, 061007 (2019).
  7. Y. Hashimoto, T. H. Johansen, E. Saitoh, "180°-phase shift of magnetoelastic waves observed by phase-resolved spin-wave tomography", Applied Physics Letters 112, 232403 (2018).
  8. Y. Hashimoto, D. Bossini, T. H. Johansen, E. Saitoh, A. Kirilyuk, T. Rasing, "Frequency and wavenumber selective excitation of spin waves through coherent energy transfer from elastic waves", Physical Review B 97, 140404(R) (2018).
  9. Y. Hashimoto, T. H. Johansen, E. Saitoh, "Phase-resolved spin-wave tomography", Applied Physics Letters 112, 072410 (2018).
  10. Y. Hashimoto, S. Daimon, R. Iguchi, Y. Oikawa, K. Shen, K. Sato, D. Bossini, Y. Tabuchi, T. Satoh, B. Hillebrands, G. E. W. Bauer, T. H. Johansen, A. Kirilyuk, T. Rasing, E. Saitoh, "All-optical observation and reconstruction of spin wave dispersion", Nature Communications 8, 15859 (2017).
  11. D. Bossini, S. Dal Conte, Y. Hashimoto, A. Secchi, R. V. Pisarev, T. Rasing, G. Cerullo, A. V. Kimel, "Macrospin Dynamics in Antiferromagnets Triggered by Sub-20 femtosecond Injection of Nanomagnons", Nature Communications 7, 10645 (2015).
  12. Y. Hashimoto, A. R. Khorsand, M. Savoini, B. Koene, D. Bossini, A. Tsukamoto, A. Itoh, Y. Ohtsuka, K. Aoshima, A. V Kimel, A. Kirilyuk, T. Rasing, "Ultrafast time-resolved magneto-optical imaging of all-optical switching in GdFeCo with femtosecond time-resolution and a μm spatial-resolution", Review of Scientific Instruments 85, 063702 (2014).
  13. K. Aoshima, Y. Hashimoto, N. Funabashi, K. Machida, K. Kuga, H. Kikuchi, N. Shimidzu, T. Ishibashi, "Spin transfer switching of current-perpendicular-to-plane giant magnetoresistance with various Gd-Fe free-layer compositions", Journal of Applied Physics 111, 07C911 (2012).
  14. K. Nishibayashi, H. Yoneda, A. Laosunthara, K. Suda, K. Kuga, Y. Hashimoto, H. Munekata, "Experimental investigation of controlling light polarization in optical waveguides with magneto-optical materials", Journal of Magnetics Society of Japan 36(1_2), 74-77 (2012).
  15. K. Aoshima, Y. Ohtsuka, Y. Hashimoto, N. Funabashi, K. Machida, K. Kuga, H. Kikuchi, N. Shimidzu, "Spin transfer switching of current-perpendicular-to-plane giant magnetoresistance devices with Gd-Fe free layers and Ag-spacer materials for light modulator applications", Journal of Applied Physics 109, 07C917 (2011).
  16. S. Kobayashi, Y. Hashimoto, H. Munekata, "Investigation of an effective anisotropy field involved in photoinduced precession of magnetization in (Ga,Mn)As", Journal of Applied Physics 105, 07C519 (2009).
  17. J. Aoyama, Y. Hashimoto, S. Kobayashi, H. Munekata, "Mapping a magnetization switching field in Ga0.98Mn0.02As microbars with a scanning laser magneto-optical microscope", Journal of Applied Physics 105, 07C518 (2009).
  18. Y. Hashimoto, H. Munekata, "Coherent manipulation of magnetization precession in ferromagnetic semiconductor (Ga,Mn)As with successive optical pumping", Applied Physics Letters 93, 202506 (2008).
  19. Y. Hashimoto, S. Kobayashi, H. Munekata, "Photo-induced precession of magnetization in ferromagnetic (Ga,Mn)As", Physical Review Letters 100, 067202 (2008).
  20. J. Wang, C. Sun, Y. Hashimoto, J. Kono, G. A. Khodaparast, L. Cywinski, L. J. Sham, G. D. Sanders, C. J. Stanton, H. Munekata, "Ultrafast Magneto-Optics in Ferromagnetic III-V Semiconductors (topical review)", Journal of Physics: Condensed Matter 18, R501-R530 (2006).
  21. J. Wang, Y. Hashimoto, J. Kono, A. Oiwa, H. Munekata, G. D. Sanders, C. J. Stanton, "Propagating Coherent Acoustic Phonon Wavepackets in InMnAs/GaSb", Physical Review B 72, 153311 (2005).
  22. T. Ishii, T. Kawazoe, Y. Hashimoto, H. Terada, I. Muneta, M. Ohtsu, M. Tanaka, S. Ohya, "Electronic structure near the Fermi level in the ferromagnetic semiconductor GaMnAs studied by ultrafast time-resolved light-induced reflectivity measurements", Physical Review B 93, 241303(R) (2016).
  23. T. Kuroda, Y. Hashimoto, F. Minami, "Photo-induced Faraday rotation in GaAs / AlGaAs multiple quantum wells", Journal of Luminescence 94-95, 551-554 (2001).

その他

カーボンナノチューブ・イオン液体・材料物性

  1. Yoshikiyo Hatakeyama, Mana Sugimoto, Akifumi Suga, Haruka Naito, Shuntaro Sugimoto, Iori Sakaguchi, Yusuke Hashimoto, Soshi Shiraishi, "Tracking Structural Changes of Carbon Nanotube Electrodes for Lithium-Air Batteries by Time-Resolved Operando Wide- and Small- Angle X-ray Scattering", Journal of Physical Chemistry C 126(36), 15094-15103 (2022).
  2. Keiko Nishikawa, Kozo Fujii, Yusuke Hashimoto, Ken-ichi Tozaki, "Unique phase behavior of a room-temperature ionic liquid, trimethylpropylammonium bis(fluorosulfonyl)amide: surface melting and its crystallization", Physical Chemistry Chemical Physics 22(36), 20634-20642 (2020).
  3. Y. Hashimoto, Y. Murakami, S. Maruyama, J. Kono, "Anisotropic Decay Dynamics of Photoexcited Aligned Carbon Nanotube Bundles", Physical Review B 75, 245408 (2007).

特許

磁気光学測定・光変調・材料評価技術

7件の特許を取得・出願

  1. WO2017-119237 磁気光学測定方法および磁気光学測定装置
    橋本 佑介, 齊藤 英治
  2. 特開2012-122835 磁気光学スペクトル分光装置、磁気光学スペクトル測定方法およびプログラム
    橋本 佑介, 青島 賢一, 町田 賢司, 船橋 信彦, 久我 淳, 菊池 宏, 清水 直樹
  3. 特開2012-103634 光変調素子および空間光変調器
    青島 賢一, 久我 淳, 橋本 佑介, 船橋 信彦, 町田 賢司, 菊池 宏, 清水 直樹
  4. 特開2012-007962 磁気光学特性測定装置および磁気光学特性測定方法
    橋本 佑介, 清水 直樹, 山添 昇吾, 笠松 直史
  5. 特開2011-039009 磁気特性測定装置および磁気特性測定方法
    橋本 佑介, 青島 賢一, 町田 賢司, 船橋 信彦, 久我 淳, 清水 直樹
  6. 特開2011-039008 磁気光学特性測定装置及び磁気光学特性の測定方法
    橋本 佑介, 青島 賢一, 町田 賢司, 船橋 信彦, 久我 淳, 清水 直樹
  7. 特開2010-271068 磁気光学スペクトル測定装置及び磁気光学スペクトルの測定方法
    橋本 佑介, 青島 賢一, 町田 賢司, 船橋 信彦, 久我 淳, 清水 直樹