Research theme for competitive and other funds (2)：
2023 - 2026 Development of half-metallic materials with negative spin polarization and application to highly efficient spin-torque oscillators
2021 - 2023 Development of a novel analysis method of spin-torque oscillators for understanding the magnetization dynamics
Papers (54)：
Hirofumi Suto, Vineet Barwal, Kodchakorn Simalaotao, Zehao Li, Keisuke Masuda, Taisuke Sasaki, Yoshio Miura, Yuya Sakuraba. Negative spin polarization of Mn2VGa Heusler alloy thin films studied in current-perpendicular-to-plane giant magnetoresistance devices. Journal of Applied Physics. 2024. 135. 20
Tomoya Nakatani, Prabhanjan D. Kulkarni, Hirofumi Suto, Keisuke Masuda, Hitoshi Iwasaki, Yuya Sakuraba. Perspective on nanoscale magnetic sensors using giant anomalous Hall effect in topological magnetic materials for read head application in magnetic recording. Applied Physics Letters. 2024. 124. 7
Vineet Barwal, Hirofumi Suto, Tomohiro Taniguchi, Yuya Sakuraba. Detailed and high-throughput measurement of composition dependence of magnetoresistance and spin-transfer torque using a composition-gradient film: application to Co x Fe 1- x (0 ≤ x ≤ 1) system. Science and Technology of Advanced Materials: Methods. 2023. 3. 1
Hirofumi Suto, Tomoya Nakatani, Nagarjuna Asam, Hitoshi Iwasaki, Yuya Sakuraba. Evaluation of spin-transfer-torque efficiency using magnetization reversal against a magnetic field: comparison of FeCr with negative spin polarization and NiFe. Applied Physics Express. 2023
Zixi Chen, Yuya Sakuraba, Yoshio Miura, Zehao Li, Taisuke Sasaki, Hirofumi Suto, Varun K. Kushwaha, Tomoya Nakatani, Seiji Mitani, Kazuhiro Hono. Phase stability and half-metallic character of off-stoichiometric Co2FeGa0.5Ge0.5 Heusler alloys. Journal of Applied Physics. 2022
