Rchr
J-GLOBAL ID:202001000395540323   Update date: May. 11, 2022

Ishigami Keisuke

Ishigami Keisuke
Affiliation and department:
Research field  (3): Semiconductors, optical and atomic physics ,  Magnetism, superconductivity, and strongly correlated systems ,  Thin-film surfaces and interfaces
Research keywords  (9): 酸化物薄膜 ,  実験手法開発 ,  実験装置開発 ,  内殻X線吸収分光 ,  X線光電子分光 ,  磁気円二色性 ,  磁石 ,  放射光実験 ,  磁性
Papers (31):
  • S. Jena, M. Zzaman, V. K. Verma, K. Ishigami, G. Shibata, T. Ishikawa, G. F. Li, M. Yamamoto, R. Shahid, T. Koide, et al. Thickness-dependent electronic and magnetic states of Mn and Co atoms at Mn-rich Co2Mn1.20Ge0.38/MgO interfaces via soft x-ray magnetic circular dichroism. Physica B: Condensed Matter. 2022. 627
  • Performance of Scanning X-ray Back-Scattered Laue Diffraction Microscope with Different Types of Light Sources. 2021. 9. 6. 405-410
  • Yutaka Matsuura, Ryuji Tamura, Keisuke Ishigami, Kazushi Sumitani, Kentaro Kajiwara, Tetsuya Nakamura. Alignment and angular dependences of coercivity for (Sm,Ce)2(Co,Fe,Cu,Zr)17 magnets. Materials Transactions. 2021. 62. 7. 1009-1012
  • Yutaka Matsuura, Ryo Maruyama, Ryo Kato, Ryuji Tamura, Keisuke Ishigami, Kazushi Sumitani, Kentaro Kajiwara, Tetsuya Nakamura. Magnetization reversal of (Sm, Ce)2(Co, Fe, Cu, Zr)17magnets as per soft x-ray magnetic circular dichroism microscopy. Applied Physics Letters. 2020. 117. 2
  • Goro Shibata, Kohei Yoshimatsu, Enju Sakai, Keisuke Ishigami, Shoya Sakamoto, Yosuke Nonaka, Fan-Hsiu Chang, Hong-Ji Lin, Di-Jing Huang, Chien-Te Chen, et al. Temperature Evolution of Magnetic Phases Near the Thickness-Dependent Metal-Insulator Transition in La1-xSrxMnO3 Thin Films Observed by XMCD. Proceedings of the International Conference on Strongly Correlated Electron Systems (SCES2019). 2020
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MISC (3):
  • Y. Matsuura, R. Tamura, K. Ishigami, T. Nakamura. Observation of magnetization reversal process for (Sm,Ce)2(Co,Fe,Cu,Zr)17 magnets by soft X-ray magnetic circular dichroism microscopy. SPring-8/SACLA Research Frontiers 2020. 2021. 56-57
  • G. Shibata, M. Kitamura, M. Minohara, K. Yoshimatsu, T. Kadono, K. Ishigami, T. Harano, Y. Takahashi, S. Sakamoto, Y. Nonaka, et al. Strain-Induced anisotropic spin-density distribution in La1-xSrxMnO3 thin films revealed by angle-dependent x-ray magnetic circular dichroism. Photon Factory News. 2018. 36. 3. 13-18
  • G. Shibata, M. Kitamura, M. Minohara, K. Yoshimatsu, T. Kadono, K. Ishigami, T. Harano, Y. Takahashi, S. Sakamoto, Y. Nonaka, et al. Strain-Induced Anisotropic Spin-Density Distribution in La1-xSrxMnO3 Thin Films Revealed by Angle-Dependent X-Ray Magnetic Circular Dichroism. Photon Factory Highlights 2017. 2018. 20-21
Lectures and oral presentations  (40):
  • X線分光スペクトル計測の効率化に向けたデータ科学的アプローチ
    (第76回SPring-8先端利用技術ワークショップ X線発光分光による電子状態研究の現状と将来展望 2022)
  • (Sm,Ce)2(Co,Fe,Cu,Zr)17磁石の保磁力配向度および角度依存性について
    (日本金属学会2021年秋季大会 2021)
  • 多結晶材料の結晶方位分布解析における新手法の開発 ~X線後方散乱回折法~
    (日本金属学会2021年春期大会 2021)
  • 軟X線磁気円二色性(XMCD)分光法による(Sm,Ce)2(Co,Fe,Cu,Zr)17磁石の磁化反転過程について
    (2020年度 SPRUC機能磁性材料分光研究会 2021)
  • Magnetically-induced anisotropic charge distribution in La<sub>1-x</sub>Sr<sub>x</sub>MnO<sub>3</sub> thin films revealed by x-ray magnetic linear dichroism
    (Meeting Abstracts of the Physical Society of Japan 2018)
more...
Education (2):
  • 2007 - 2013 The University of Tokyo
  • 2003 - 2007 Nagoya Institute of Technology
Professional career (2):
  • 博士(科学) (東京大学)
  • 修士(科学) (東京大学)
Work history (6):
  • 2022/04 - 現在 Tohoku University Institute of Multidisciplinary Research for Advanced Materials
  • 2019/04 - 2022/03 Japan Synchrotron Radiation Research Institute
  • 2018/01 - 2019/04 Japan Synchrotron Radiation Research Institute
  • 2017/04 - 2017/12 National Institute of Advanced Industrial Science and Technology
  • 2016/09 - 2017/03 National Institute of Advanced Industrial Science and Technology
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Association Membership(s) (4):
日本金属学会 ,  日本放射光学会 ,  応用物理学会 ,  日本物理学会
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