Rchr
J-GLOBAL ID：202001000395540323   Update date: Nov. 06, 2023

Ishigami Keisuke

Ishigami Keisuke
Affiliation and department：
Tohoku University Institute of Multidisciplinary Research for Advanced Materials

About Tohoku University Institute of Multidisciplinary Research for Advanced Materials


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 (35)：
  • Yutaka Matsuura, Keisuke Ishigami, Ryuji Tamura, Tetsuya Nakamura. Demagnetization processes of Nd-Fe-B sintered magnets and ferrite magnets as demonstrated by soft X-ray magnetic circular dichroism microscopy. Journal of Magnetism and Magnetic Materials. 2023. 579. 170854-170854
  • Keisuke Ishigami, Tomoyuki Onuma, Akira Kato, Masao Yano, Tetsuya Shoji, Tetsuya Nakamura, Satoshi Okamoto. Understanding the Coercivity of Ga-Containing Nd-Fe-B Sintered Magnets from Feature Extraction and Selection of X-Ray Diffraction Patterns via Dimension Reduction and Sparse Modeling. 2023 IEEE International Magnetic Conference (INTERMAG). 2023
  • S. Kobayashi, D. Ogawa, X.D. Xu, Y.K. Takahashi, A. Martin-Cid, K. Ishigami, Y. Kotani, M. Suzuki, T. Yoshioka, H. Tsuchiura, et al. Multimodal analysis of Zr substitution effects on magnetic and crystallographic properties in (Sm1-Zr )(Fe0.8Co0.2)12 compounds with ThMn12 structure. Acta Materialia. 2023. 242. 118454-118454
  • V.K. Verma, S. Sakamoto, K. Ishikawa, V.R. Singh, K. Ishigami, G. Shibata, T. Kadono, T. Koide, S. Kuroda, A. Fujimori. Cr doping-induced ferromagnetism in the spin-glass Cd1-Mn Te studied by x-ray magnetic circular dichroism. Physica B: Condensed Matter. 2022. 642. 414129-414129
  • 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. 413619-413619
ｍore...
MISC (6)：
  • 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
  • 池田啓祐, 芝田悟朗, 関剛斎, 石上啓介, 堀尾眞史, 坂本祥哉, 野中洋亮, 酒巻真粧子, 雨宮健太, 河村直己, et al. X線磁気円二色性によるL10秩序型FePt薄膜の磁気異方性の研究. 応用物理学会春季学術講演会講演予稿集(CD-ROM). 2017. 64th
  • 池田啓祐, 芝田悟朗, 関剛斎, 石上啓介, 堀尾眞史, 坂本祥哉, 野中洋亮, 河村直己, 鈴木基寛, 高梨弘毅, et al. Pt L2,3端XMCDにより観測したL10秩序型FePt薄膜の磁気モーメントの異方性. 応用物理学会秋季学術講演会講演予稿集(CD-ROM). 2016. 77th
ｍore...
Lectures and oral presentations  (55)：
  • Feature extraction of FORC diagrams of Nd-Fe-B sintered magnets with different temperatures, Dy doping, and alignment
    (2023)
  • Understanding the Coercivity of Ga-containing Nd-Fe-B Sintered Magnets from Feature Extraction and Selection of X-ray Diffraction Patterns via Dimension Reduction and Sparse Modeling
    (REPM2023 2023)
  • Understanding the Coercivity of Ga-Containing Nd-Fe-B Sintered Magnets from Feature Extraction and Selection of X-Ray Diffraction Patterns via Dimension Reduction and Sparse Modeling
    (2023 IEEE International Magnetic Conference (INTERMAG) 2023)
  • 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)
ｍore...
Education (2)：
  • 2007 - 2013 The University of Tokyo Graduate School of Frontier Sciences
  • 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 (7)：
  • 2022/11 - 現在 Tohoku University Institute of Multidisciplinary Research for Advanced Materials
  • 2022/04 - 2022/10 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
Show all
Association Membership(s) (5)：
日本磁気学会 ,  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
※ Researcher’s information displayed in J-GLOBAL is based on the information registered in researchmap. For details, see here.

Return to Previous Page

TOP

BOTTOM