Research field (2):
Magnetism, superconductivity, and strongly correlated systems
, Applied materials
Research keywords (3):
微細加工
, 磁性物理
, スピントロニクス
Research theme for competitive and other funds (6):
2023 - 2025 光触媒機能を用いた磁性制御
2021 - 2024 局所磁性変調による磁壁移動メモリの革新的情報制御技術の開拓
2018 - 2020 Investigation of ultra-high-speed electromagnet based on spin-orbit interaction
2015 - 2019 Magnetic domain wall motion induced by electric field
2013 - 2015 Electrical control of optical properties in ferromagnetic materials
2010 - 2011 垂直磁気異方性を有する強磁性細線中の磁壁電流駆動に関する研究
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Papers (108):
T. Morita, T. Koyama, D. Chiba. Process gas dependence of spin-orbit torque in Pt/NiO/Co structures. Applied Physics Letters. 2023. 122. 26
Takeaki Gokita, Ryota Nagira, Taiga Torii, Tomohiro Koyama, Daichi Chiba. Modulation of perpendicular magnetic anisotropy in CoFeB/MgO structure by an application of biaxial tensile strain. Applied Physics Express. 2023. 16. 6. 063001-063001
Hayato Mizuno, Takahiro Moriyama, Kensho Tanaka, Masashi Kawaguhi, Tomohiro Koyama, Daichi CHIBA, Teruo ONO. Electric field effect on spectroscopic g-factor and magnetic anisotropy in a Pt/Co/MgO ultrathin film. Japanese Journal of Applied Physics. 2022
Toshiaki Morita, Kento Hasegawa, Tomohiro Koyama, Daichi Chiba. Modulation of spin-orbit torque by insertion of a NiO layer in a Pt/Co structure formed on Al2O3 and Si/SiO x substrate. Japanese Journal of Applied Physics. 2022. 61. 7. 070908-070908
T. Koyama, Y. Nakatani, D. Chiba. Chirality-induced effective field in Pt/Co/MgO system with spatial anisotropy-modulation. Applied Physics Letters. 2022. 120. 17. 172402-172402