Rchr
J-GLOBAL ID:202001009687994306   Update date: Sep. 19, 2024

Usami Takamasa

ウサミ タカマサ | Usami Takamasa
Affiliation and department:
Research field  (2): Magnetism, superconductivity, and strongly correlated systems ,  Applied materials
Research keywords  (4): 分子線エピタキシー法 ,  磁性薄膜 ,  マルチフェロイクス ,  スピントロニクス
Research theme for competitive and other funds  (3):
  • 2024 - 2026 超伝導デジタル回路用メモリのための磁性ジョセフソン接合素子の電界制御技術の構築
  • 2021 - 2023 反強磁性・強磁性相転移を利用した反強磁性スピン配列の電界制御と磁気メモリへの応用
  • 2017 - 2020 マグノニクス技術の創成に資するスピン波生成・伝播・位相特性の電界制御
Papers (17):
  • Jun Okabayashi, Takamasa Usami, Amran Mahfudh Yatmeidhy, Yuichi Murakami, Yu Shiratsuchi, Ryoichi Nakatani, Yoshihiro Gohda, Kohei Hamaya. Strain-induced specific orbital control in a Heusler alloy-based interfacial multiferroics. NPG Asia Materials. 2024. 16. 1
  • Y. Murakami, T. Usami, R. Watarai, Y. Shiratsuchi, T. Kanashima, R. Nakatani, Y. Gohda, K. Hamaya. Metastable Co3Mn/Fe/Pb(Mg1/3Nb2/3)O3-PbTiO3 multiferroic heterostructures. Journal of Applied Physics. 2023. 134. 22. 1-10
  • Shinya Yamada, Takamasa Usami, Sachio Komori, Sekai Nagata, Yukio Nozaki, Tomoyasu Taniyama, Kohei Hamaya. Epitaxial Co2FeSi/LiNbO3 multiferroic heterostructures with a low damping constant. 2023 IEEE International Magnetic Conference - Short Papers (INTERMAG Short Papers). 2023
  • Yuichi Murakami, Takamasa Usami, Yu Shiratsuchi, Yuya Sanada, Shinya Yamada, Ryoichi Nakatani, Kohei Hamaya. Growth and magnetoelectric effect of epitaxial Co3Mn films on piezoelectric Pb(Mg1/3Nb2/3)O3-PbTiO3(001). 2023 IEEE International Magnetic Conference - Short Papers (INTERMAG Short Papers). 2023
  • Avisek Das, Mrinalini, Takamasa Usami, Satya Prakash Pati, Tomoyasu Taniyama, Venkataiah Gorige. Electric and magnetic tuning of Gilbert damping constant in LSMO/PMN-PT(011) heterostructure. Journal of Physics: Condensed Matter. 2023. 35. 28. 285801-285801
more...
MISC (2):
  • Detecting Modulation of Orbital Magnetic Moments and Magnetic Anisotropy via Operando X-ray Magnetic Spectroscopies. 2024. 19. 3. 133-137
  • T. Usami, T. Miyauchi, K. Ichikawa, M. Itoh, T. Taniyama. Transmission of spin waves in ordered FeRh films. Proceeding JW-Visual 2016. 2016. 3
Patents (2):
  • 積層体及びそれを備える磁気抵抗素子
  • 積層体、磁気抵抗素子、および、積層体製造方法
Lectures and oral presentations  (27):
  • Electric-field control of tunnel magnetoresistance ratio in magnetic tunnel junctions with a Co2FeSi/PMN-PT multiferroic heterostructure
    (The 71st JSAP Spring Meeting 2024 2024)
  • Microscopic Origin of Large Magnetostriction in Galfenol Studied by Operando X-ray Magnetic Spectroscopies
    (The 71st JSAP Spring Meeting 2024 2024)
  • An epitaxial multiferroic heterostructure composed of Co2FeSi/V/Pb(Mg1/3Nb2/3)O3-PbTiO3(011)
    (MRM2023/IUMRS-ICA2023 2023)
  • Giant converse magnetoelectric effect in Co2FeSi/PMN-PT multiferroic heterostructures
    (PRICM11 (The 11th Pacific Rim International Conference on Advanced Materials and Processing) 2023)
  • Low-temperature growth (~100 °C) of magnetic Weyl semimetal Co2MnGa thin films by molecular beam epitaxy
    (2023)
more...
Professional career (1):
  • 博士(工学) (東京工業大学)
Work history (2):
  • 2023/10 - 現在 Osaka University Center for Spintronics Research Network, Graduate School of Engineering Science Assistant Professor
  • 2020/04 - 2023/09 Osaka University Center for Spintronics Research Network, Graduate School of Engineering Science
Association Membership(s) (3):
日本物理学会 ,  応用物理学会 ,  日本磁気学会
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