SEKIGUCHI Koji

Affiliation

Faculty of Engineering, Division of Intelligent Systems Engineering

Job Title

Associate Professor

Research Fields, Keywords

magnonics, spintronics, magnetism Brillouin light scattering


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The Best Research Achievement in Research Career 【 display / non-display 】

  • 【Published Thesis】 Time-domain Measurement of Current-induced Spin Wave Dynamics  2011.01

    【Published Thesis】 Spin Wave Propagation in Cubic Anisotropy Materials  2017.06

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Degree 【 display / non-display 】

  • Doctor(Science) -  Keio University

  • Master(Science) -  Keio University

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Campus Career 【 display / non-display 】

  • 2018.04
    -
    Now

    Duty   Yokohama National UniversityFaculty of Engineering   Division of Intelligent Systems Engineering   Associate Professor  

  • 2018.04
    -
    Now

    Concurrently   Yokohama National UniversityGraduate School of Engineering   Department o Physics, Electrical and Computer Engineering   Associate Professor  

  • 2018.04
    -
    Now

    Concurrently   Yokohama National UniversityCollege of Engineering Science   Department of Mathematics, Physics, Electrical Engineering and Computer Science   Associate Professor  

  • 2018.04
    -
    Now

    Concurrently   Yokohama National UniversityGraduate school of Engineering Science   Department of Mathematics, Physics, Electrical Engineering and Computer Science   Associate Professor  

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Thesis for a degree 【 display / non-display 】

  • ナノスケール強磁性体におけるスピン依存量子伝導機構の研究

    関口 康爾 

      2007.03  [Refereed]

    Doctoral Thesis   Single Work

    　View Summary

    ナノスケール強磁性体におけるスピン自由度に依存した電気伝導量子化が生じること、Aharonov-Bohm効果にスピン依存効果が出ることを示した。

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Papers 【 display / non-display 】

  • Numerical study on the enhancement of the magneto-optic Kerr effect using a dielectric thin film

    Tachizaki Takehiro, Mizuno Hiroyuki, Sekiguchi Koji

    JAPANESE JOURNAL OF APPLIED PHYSICS   59 ( SE )   EA06-1 - EA06-5   2020.04  [Refereed]

    Joint Work

    Web of Science DOI

  • Electric detection of nonlinear effect upon spin-wave spin current

    Kawase Mikito, Iwaba Masashi, Sekiguchi Koji

    JAPANESE JOURNAL OF APPLIED PHYSICS   59 ( SE )   ED01-1 - ED01-6   2020.04  [Refereed]

    Joint Work

    Web of Science DOI

  • Strong Absorption Effect for Propagating Backward Spin-Waves by Double Magnonic Crystal

    Iwaba M., Fujiwara S., Sekiguchi K.

    Transaction of the Magnetics Society of Japan Special Issues ( The Magnetics Society of Japan )    2020

    Joint Work

    DOI CiNii

  • Three port logic gate using forward volume spin wave interference in a thin yttrium iron garnet film

    Goto Taichi, Yoshimoto Takuya, Iwamoto Bungo, Shimada Kei, Ross Caroline A., Sekiguchi Koji, Granovsky Alexander B., Nakamura Yuichi, Uchida Hironaga, Inoue Mitsuteru

    SCIENTIFIC REPORTS   9   2019.11  [Refereed]

    Joint Work

    Web of Science DOI

  • Time-domain propagating spin-wave spectroscopy for forward spin waves in a ferromagnetic metal

    K. Sekiguchi, D. Chiba, and T. Tachizaki

    Japanese Journal of Applied Physics (SELECTED TOPICS IN APPLIED PHYSICS) 57,   57 ( 0902B4 )   2018

    Joint Work

    DOI

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Review Papers 【 display / non-display 】

  • The Basis of Magnon Transistors

    K. Sekiguchi

    AAPPS Bulletin 28, 2 (2018).     2018

    Introduction and explanation (international conference proceedings)  

    　View Summary

    K. Sekiguchi, “The Basis of Magnon Transistors”, AAPPS Bulletin 28, 2 (2018). doi: 10.22661/AAPPSBL.2018.28.3.02

    DOI

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Grant-in-Aid for Scientific Research 【 display / non-display 】

  • Grant-in-Aid for Scientific Research(A)

    Project Year： 2019.04  -   

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Presentations 【 display / non-display 】

  • Generation of fast propagating spin-wave for magnonic logic functions

    K. Sekiguchi  [Invited]

    Collaborative Conference on Materials Research (CCMR) 2018, 27June. 2018 (invited)   2018.06.27  

    　View Summary

    K. Sekiguchi, "Generation of fast propagating spin-wave for magnonic logic functions", Collaborative Conference on Materials Research (CCMR) 2018, 27June. 2018 (invited) (http://ccmr2018.org/program/)

  • Edge-mode Spin-wave Nonreciprocity for Magnonic Logic Functions

    K. Sekiguchi  [Invited]

    5th International Conference of Asian Union of Magnetics Societies (IcAUMS 2018), G4-1399, 7June. 2018 (invited)  2018.06.07  

    　View Summary

    K. Sekiguchi, "Edge-mode Spin-wave Nonreciprocity for Magnonic Logic Functions", 5th International Conference of Asian Union of Magnetics Societies (IcAUMS 2018), G4-1399, 7June. 2018 (invited) (http://www.icaums.org/main/pr_program.htm)

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