J-GLOBAL ID:202001009687994306   Update date: Nov. 24, 2021

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  (2):
  • 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 (9):
  • Aleksei S. Komlev, Dmitriy Y. Karpenkov, Dmitry A. Kiselev, Tatiana S. Ilina, Alisa Chirkova, Radel R. Gimaev, Takamasa Usami, Tomoyasu Taniyama, Vladimir I. Zverev, Nikolai S. Perov. Ferromagnetic phase nucleation and its growth evolution in FeRh thin films. Journal of Alloys and Compounds. 2021. 159924-159924
  • T. Usami, S. Fujii, S. Yamada, Y. Shiratsuchi, R. Nakatani, K. Hamaya. Giant magnetoelectric effect in an L21-ordered Co2FeSi/Pb(Mg1/3Nb2/3)O3-PbTiO3 multiferroic heterostructure. Applied Physics Letters. 2021. 118. 14. 142402-142402
  • T. Usami, M. Itoh, T. Taniyama. Temperature dependence of the effective Gilbert damping constant of FeRh thin films. AIP Advances. 2021. 11. 4. 045302-045302
  • Ming Zheng, Takamasa Usami, Tomoyasu Taniyama. Shear-strain-mediated large nonvolatile tuning of ferromagnetic resonance by an electric field in multiferroic heterostructures. NPG Asia Materials. 2021. 13. 7
  • Usami, T., Itoh, M., Taniyama, T. Compositional dependence of Gilbert damping constant of epitaxial Fe100-xRhx thin films. Applied Physics Letters. 2019. 115. 14. 142403-142403
Lectures and oral presentations  (8):
  • Electric-field modulation of magnetic anisotropy in epitaxial Co2FeSi/Pb(Mg1/3Nb2/3)O3-PbTiO3 multiferroic heterostructures
    (The Material Research Meeting 2021 (MRM2021) 2021)
  • Piezoelectric effect on anisotropic magnetoresistance in epitaxial CoFe films
    (the 82nd JSAP Autumn Meeting 2021)
  • Crystal orientation dependence of converse magnetoelectric effect in Co2FeSi/Fe/Pb(Mg1/3Nb2/3)O3-PbTiO3 multiferroic heterostructures
    (the 82nd JSAP Autumn Meeting 2021)
  • Room-temperature two-terminal magnetoresistance ratios in Ge-based vertical spin-valve devices with Co2FeSi
    (the 82nd JSAP Autumn Meeting 2021)
  • Electric-field modulation of the magnetic properties of Co2FeSi/Pb(Mg1/3Nb2/3)-PbTiO3 interfacial multiferroic heterostructures
Professional career (1):
  • 博士(工学) (東京工業大学)
Work history (1):
  • 2020/04 - 現在 Osaka University 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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