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Mechanical detection of Berry-phase magnetic fields using cantilever structure

Research Project

Project/Area Number 17H04806
Research Category

Grant-in-Aid for Young Scientists (A)

Allocation TypeSingle-year Grants
Research Field Applied materials
Research InstitutionThe University of Tokyo

Principal Investigator

SHIOMI YUKI  東京大学, 大学院総合文化研究科, 准教授 (10633969)

Project Period (FY) 2017-04-01 – 2019-03-31
Project Status Completed (Fiscal Year 2018)
Budget Amount *help
¥24,700,000 (Direct Cost: ¥19,000,000、Indirect Cost: ¥5,700,000)
Fiscal Year 2018: ¥3,640,000 (Direct Cost: ¥2,800,000、Indirect Cost: ¥840,000)
Fiscal Year 2017: ¥21,060,000 (Direct Cost: ¥16,200,000、Indirect Cost: ¥4,860,000)
Keywordsベリー位相 / カンチレバー / トポロジー / ホール効果 / 圧電効果 / スピンエレクトロニクス / 物性実験
Outline of Final Research Achievements

The relation between topological concepts that have attracted much interest recently in condensed matter physics and mechanical phenomena has not been explored experimentally. In this research project, we focused on topological mechanical effects that stem from the geometric phase (berry phase) of the wave function of electrons. Using the measurement system constructed for the detection of tiny sample vibrations, we succeeded in the first observation of cantilever vibration induced by relaxation of spin currents, and also the first observation of the magnetopiezoelectric effect in a low-symmetry magnetic metals.

Academic Significance and Societal Importance of the Research Achievements

カンチレバーの運動はセンサーの基礎技術などに応用されており、また物質の低対称性に起因した電気-機械変形結合効果である圧電効果もエレクトロニクス素子などに広く応用されている。本研究では、カンチレバー運動や圧電効果の研究を磁性とトポロジーの観点から行い、新しい力学応答を開拓することに成功した。これらの成果により、磁性による機械運動の制御が可能となり、トポロジー効果を利用することによる機械応答の巨大化に向けた指針が得られた。

Report

(3 results)
  • 2018 Annual Research Report   Final Research Report ( PDF )
  • 2017 Annual Research Report
  • Research Products

    (18 results)

All 2019 2018 2017

All Journal Article (10 results) (of which Int'l Joint Research: 2 results,  Peer Reviewed: 10 results,  Open Access: 3 results) Presentation (8 results) (of which Int'l Joint Research: 3 results,  Invited: 8 results)

  • [Journal Article] Observation of Magnetopiezoelectric Effect in Antiferromagnetic Metal EuMnBi22019

    • Author(s)
      Y. Shiomi, H. Watanabe, H. Masuda, H. Takahashi, Y. Yanase, S. Ishiwata
    • Journal Title

      Phys. Rev. Lett.

      Volume: 122 Issue: 12 Pages: 127207-127207

    • DOI

      10.1103/physrevlett.122.127207

    • Related Report
      2018 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Magnetotransport properties of γ-FeMn thin films grown by high-temperature sputtering2018

    • Author(s)
      Yuki Shiomi
    • Journal Title

      AIP Advances

      Volume: 8 Issue: 8 Pages: 085018-085018

    • DOI

      10.1063/1.5044594

    • Related Report
      2018 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Efficient Edelstein effects in one-atom-layer Tl-Pb compound2018

    • Author(s)
      Yuki Shiomi, Keita Yamamoto, Ryosuke Nakanishi, Tomonori Nakamura, Satoru Ichinokura, Ryota Akiyama, Shuji Hasegawa, and Eiji Saitoh
    • Journal Title

      Applied Physics Letters

      Volume: 113 Issue: 5 Pages: 52401-52401

    • DOI

      10.1063/1.5040546

    • Related Report
      2018 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Nonreciprocal spin Seebeck effect in antiferromagnets2018

    • Author(s)
      Rina Takashima, Yuki Shiomi, and Yukitoshi Motome
    • Journal Title

      Phys. Rev. B

      Volume: 98 Issue: 2

    • DOI

      10.1103/physrevb.98.020401

    • NAID

      130007649039

    • Related Report
      2018 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Giant Piezoelectric Response in Superionic Polar Semiconductor2018

    • Author(s)
      Yuki Shiomi, Tomoki Akiba, Hidefumi Takahashi, and Shintaro Ishiwata
    • Journal Title

      Adv. Electron. Mater.

      Volume: 4 Issue: 12 Pages: 1800174-1800174

    • DOI

      10.1002/aelm.201800174

    • Related Report
      2018 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Spin-current coherence peak in superconductor/magnet junctions2018

    • Author(s)
      Maki Umeda, Yuki Shiomi, Takashi Kikkawa, Tomohiko Niizeki, Jana Lustikova, Saburo Takahashi, and Eiji Saitoh
    • Journal Title

      Appl. Phys. Lett.

      Volume: 112 Issue: 23 Pages: 232601-232601

    • DOI

      10.1063/1.5027456

    • Related Report
      2018 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Vortex rectenna powered by environmental fluctuations2018

    • Author(s)
      J. Lustikova, Y. Shiomi, N. Yokoi, N. Kabeya, N. Kimura, K. Ienaga, S. Kaneko, S. Okuma, S. Takahashi, and E. Saitoh
    • Journal Title

      Nature Communications

      Volume: 9 Issue: 1 Pages: 4922-4922

    • DOI

      10.1038/s41467-018-07352-1

    • Related Report
      2018 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Spin pumping from nuclear spin waves2018

    • Author(s)
      Yuki Shiomi, Jana Lustikova, Shingo Watanabe, Daichi Hirobe, Saburo Takahashi, and Eiji Saitoh
    • Journal Title

      Nature Physics

      Volume: 15 Issue: 1 Pages: 22-26

    • DOI

      10.1038/s41567-018-0310-x

    • Related Report
      2018 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Experimental evidence consistent with a magnon Nernst effect in the antiferromagnetic insulator MnPS 32017

    • Author(s)
      Y. Shiomi, R. Takashima, and E. Saitoh
    • Journal Title

      Phys. Rev. B

      Volume: 96 Issue: 13 Pages: 134425-134425

    • DOI

      10.1103/physrevb.96.134425

    • Related Report
      2017 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Spin Seebeck effect in the polar antiferromagnet α-Cu2V2O72017

    • Author(s)
      Y. Shiomi, R. Takashima, D. Okuyama, G. Gitgeatpong, P. Piyawongwatthana, K. Matan, T. J. Sato, E. Saitoh
    • Journal Title

      Physical Review B

      Volume: 96 Issue: 18 Pages: 180414-180414

    • DOI

      10.1103/physrevb.96.180414

    • Related Report
      2017 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Presentation] 低次元トポロジカル物質におけるスピン流現象2019

    • Author(s)
      塩見雄毅
    • Organizer
      日本物理学会第74回年次大会
    • Related Report
      2018 Annual Research Report
    • Invited
  • [Presentation] Thermal generation of spin current in transition metal trichalcogenides2018

    • Author(s)
      Yuki Shiomi
    • Organizer
      One-Day Symposium on Spintronic Properties of Graphene and Related 2D Materials
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Thermal Generation of Spin Current in Zigzag-Chain Antiferromagnets2018

    • Author(s)
      Y. Shiomi
    • Organizer
      Reimei/GP-Spin/ICC-IMR International Workshop "New Excitations in Spintronics"
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Spin-charge conversion induced by spin pumping into topological materials2018

    • Author(s)
      Y. Shiomi
    • Organizer
      APS March Meeting 2018
    • Related Report
      2017 Annual Research Report
    • Invited
  • [Presentation] Spin-charge interconversion on topological materials2017

    • Author(s)
      Y. Shiomi
    • Organizer
      International Workshop "TOP-SPIN 3: Spin and Topological Phenomena in Nanostructures - Towards Topological Materials Science"
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Spin-charge conversion on 2D topological materials2017

    • Author(s)
      Y. Shiomi
    • Organizer
      The Collaborative Conference on Spin Dynamics
    • Related Report
      2017 Annual Research Report
    • Invited
  • [Presentation] Spin-charge interconversion in topological materials2017

    • Author(s)
      Y. Shiomi
    • Organizer
      The Collaborative Conference on Materials Research (CCMR) 2017
    • Related Report
      2017 Annual Research Report
    • Invited
  • [Presentation] Spin-charge conversion on 2D topological materials2017

    • Author(s)
      Y. Shiomi
    • Organizer
      BIT’s 7th Annual World Congress of Nano Science & Technology-2017
    • Related Report
      2017 Annual Research Report
    • Invited

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Published: 2017-04-28   Modified: 2020-03-30  

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