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Efficient spin current generation based on coherent magnetoelastic strong coupling state

Research Project

Project/Area Number 19H05629
Research Category

Grant-in-Aid for Scientific Research (S)

Allocation TypeSingle-year Grants
Review Section Broad Section D
Research InstitutionInstitute of Physical and Chemical Research

Principal Investigator

Yoshichika Otani  国立研究開発法人理化学研究所, 創発物性科学研究センター, チームリーダー (60245610)

Co-Investigator(Kenkyū-buntansha) 小川 直毅  国立研究開発法人理化学研究所, 創発物性科学研究センター, チームリーダー (30436539)
近藤 浩太  国立研究開発法人理化学研究所, 創発物性科学研究センター, 上級研究員 (60640670)
Puebla Jorge  国立研究開発法人理化学研究所, 創発物性科学研究センター, 研究員 (60753647)
一色 弘成  東京大学, 物性研究所, 助教 (80812635)
Project Period (FY) 2019-06-26 – 2024-03-31
Project Status Completed (Fiscal Year 2023)
Budget Amount *help
¥178,360,000 (Direct Cost: ¥137,200,000、Indirect Cost: ¥41,160,000)
Fiscal Year 2023: ¥36,270,000 (Direct Cost: ¥27,900,000、Indirect Cost: ¥8,370,000)
Fiscal Year 2022: ¥29,510,000 (Direct Cost: ¥22,700,000、Indirect Cost: ¥6,810,000)
Fiscal Year 2021: ¥28,080,000 (Direct Cost: ¥21,600,000、Indirect Cost: ¥6,480,000)
Fiscal Year 2020: ¥41,860,000 (Direct Cost: ¥32,200,000、Indirect Cost: ¥9,660,000)
Fiscal Year 2019: ¥42,640,000 (Direct Cost: ¥32,800,000、Indirect Cost: ¥9,840,000)
Keywords磁気弾性結合 / 強結合 / スピン流 / エデルシュタイン効果 / スピン変換 / マグノン・フォノン結合 / スピントロニクス / スピン・電荷変換 / スピン・回転結合 / 磁気回転結合 / 非相反氏
Outline of Research at the Start

弱結合から強結合にまたがる広範囲でマグノン・フォノン結合のスピン流生成に及ぼす効果を解明することを目指す。キャビティ構造の最適化により、マグノン・フォノン結合を通じて生じるスピン流生成の高効率化を実現するとともに、その圧電物質や電極物質も最適化することによりマグノン・フォノン結合強度を最大化することでコヒーレントな強結合状態の実現を目指す。これによりマグノンからフォノンへの角運動量の移行、およびその逆の過程の実現を目指す。最終的には、スピン流発生の大幅な効率化、コヒーレントな情報転送を可能にすることで、マグノン・フォノン結合の量子性を検証するための理想的なテストプラットフォームを提供する。

Outline of Final Research Achievements

At the beginning of the project, we concentrated on the design and fabrication of SAW cavity devices to increase the efficiency of spin current generation. we successfully optimized the design of the SAW devices and improved the confinement efficiency of phonon energy by 2.09 times by installing acoustic cavities. Excitation of SAWs at the resonant frequency of the acoustic cavity improved the excitation efficiency of acoustic ferromagnetic resonance and the efficiency of spin current generation at the Cu/Bi2O interface. Incorporation of the acoustic resonator also improved the non-collinearity and nonlinearity. In the second phase of the project, resonance experiments using a low-damping ferromagnetic CoFeB layer improved the magnon-phonon coupling strength, leading to the confirmation of a new strongly coupled quasiparticle. These findings advance the development of sensing technology.

Academic Significance and Societal Importance of the Research Achievements

当プロジェクトで達成したSAWチップデバイスを用いた室温におけるマグノン-フォノン強結合の実証は従来になく、ハイブリッド波ベースの情報通信技術に大きな影響を与える。また、マグノン-フォノン結合準粒子は、マグノンとフォノンの両方の特性を活用し、大きな伝播長や長いコヒーレンス時間を持つ磁気弾性波デバイスの実現を可能にする。この研究成果は、Physical Review LettersとScience Magazineで高い注目を集め、その社会的・学術的意義が示されている。

Assessment Rating
Ex-post Assessment Comments (Rating)

A: In light of the aim of introducing the research area into the research categories, expected outcomes of research have been produced.

Assessment Rating
Interim Assessment Comments (Rating)

A+: In light of the aim of introducing the research area into the research categories, more progress has been made in research than expected.

Report

(11 results)
  • 2024 Ex-post Assessment (Comments) ( PDF )
  • 2023 Annual Research Report   Final Research Report ( PDF )
  • 2022 Annual Research Report
  • 2021 Abstract (Interim Assessment) ( PDF )   Annual Research Report   Interim Assessment (Comments) ( PDF )
  • 2020 Annual Research Report
  • 2019 Abstract ( PDF )   Comments on the Screening Results ( PDF )   Annual Research Report
  • Research Products

    (35 results)

All 2024 2023 2022 2021 2020 2019 Other

All Int'l Joint Research (1 results) Journal Article (13 results) (of which Int'l Joint Research: 12 results,  Peer Reviewed: 13 results,  Open Access: 8 results) Presentation (20 results) (of which Int'l Joint Research: 16 results,  Invited: 8 results) Remarks (1 results)

  • [Int'l Joint Research] Huazhong Univ. of Science and Technology/Hubei University/Wuhan University(中国)

    • Related Report
      2021 Annual Research Report
  • [Journal Article] Strongly Coupled Spin Waves and Surface Acoustic Waves at Room Temperature2024

    • Author(s)
      Hwang Yunyoung、Puebla Jorge、Kondou Kouta、Gonzalez-Ballestero Carlos、Isshiki Hironari、Munoz Carlos Sanchez、Liao Liyang、Chen Fa、Luo Wei、Maekawa Sadamichi、Otani Yoshichika
    • Journal Title

      Physical Review Letters

      Volume: 132 Issue: 5 Pages: 056704-056704

    • DOI

      10.1103/physrevlett.132.056704

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Acoustically Driven Magnon-Phonon Coupling in a Layered Antiferromagnet2023

    • Author(s)
      Lyons Thomas P.、Puebla Jorge、Yamamoto Kei、Deacon Russell S.、Hwang Yunyoung、Ishibashi Koji、Maekawa Sadamichi、Otani Yoshichika
    • Journal Title

      Physical Review Letters

      Volume: 131 Issue: 19 Pages: 196701-196701

    • DOI

      10.1103/physrevlett.131.196701

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Valley-Selective Phonon-Magnon Scattering in Magnetoelastic Superlattices2023

    • Author(s)
      Liao Liyang、Puebla Jorge、Yamamoto Kei、Kim Junyeon、Maekawa Sadamichi、Hwang Yunyoung、Ba You、Otani Yoshichika
    • Journal Title

      Physical Review Letters

      Volume: 131 Issue: 17 Pages: 176701-176701

    • DOI

      10.1103/physrevlett.131.176701

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Nonlinear Acoustic Spin Pumping Caused by Temperature-Dependent Frequency Shifts of Surface Acoustic Waves2023

    • Author(s)
      Hwang Yunyoung, Puebla Jorge, Kondou Kouta, Munoz Carlos Sanchez, Otani Yoshichika
    • Journal Title

      Journal of the Physical Society of Japan

      Volume: 92 Issue: 9

    • DOI

      10.7566/jpsj.92.094702

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Voltage Signals Caused by Surface Acoustic Wave Driven Ferromagnetic Resonance Under Out‐of‐Plane External Fields2022

    • Author(s)
      Hwang Yunyoung、Puebla Jorge、Kondou Kouta、Otani Yoshichika
    • Journal Title

      Advanced Materials Interfaces

      Volume: 9 Issue: 36 Pages: 2201432-2201432

    • DOI

      10.1002/admi.202201432

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Interaction between surface acoustic waves and spin waves in a ferromagnetic thin film2021

    • Author(s)
      Kei Yamamoto , Mingran Xu , Jorge Puebla , Yoshichika Otani , Sadamichi Maekawa
    • Journal Title

      Journal of Magnetism and Magnetic Materials

      Volume: 545 Pages: 168672-168672

    • DOI

      10.1016/j.jmmm.2021.168672

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Strain-induced Megahertz Oscillation and Stable Velocity of an Antiferromagnetic Domain Wall2021

    • Author(s)
      F. Chen, X. Ge, W. Luo, R. Xing, S. Liang, X. Yang, L. You, R. Xiong, Y. Otani, & Y. Zhang,
    • Journal Title

      Phys. Rev. Applied.

      Volume: 15 Issue: 1

    • DOI

      10.1103/physrevapplied.15.014030

    • Related Report
      2021 Annual Research Report 2020 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Progress in spinconversion and its connection with band crossing2021

    • Author(s)
      J. Puebla Y. Hwang K. Kondou & Y. Otani
    • Journal Title

      Ann. Phys. (Berlin)

      Volume: 534 Issue: 4

    • DOI

      10.1002/andp.202100398

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Non-reciprocal Pumping of Surface Acoustic Waves by Spin Wave Resonance2020

    • Author(s)
      Yamamoto Kei、Yu Weichao、Yu Tao、Puebla Jorge、Xu Mingran、Maekawa Sadamichi、Bauer Gerrit
    • Journal Title

      Journal of the Physical Society of Japan

      Volume: 89 Issue: 11 Pages: 113702-113702

    • DOI

      10.7566/jpsj.89.113702

    • NAID

      210000158549

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Nonreciprocal surface acoustic wave propagation via magneto-rotation coupling2020

    • Author(s)
      Xu Mingran、Yamamoto Kei、Puebla Jorge、Baumgaertl Korbinian、Rana Bivas、Miura Katsuya、Takahashi Hiromasa、Grundler Dirk、Maekawa Sadamichi、Otani Yoshichika
    • Journal Title

      Science Advances

      Volume: 6 Issue: 32 Pages: 1-4

    • DOI

      10.1126/sciadv.abb1724

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Enhancement of acoustic spin pumping by acoustic distributed Bragg reflector cavity2020

    • Author(s)
      Yunyoung Hwang, Jorge Puebla, Mingran Xu, Aurelien Lagarrigue, Kouta Kondou, and Yoshichika Otani
    • Journal Title

      Applied Physics Letters

      Volume: 116 Issue: 25 Pages: 2524041-2524044

    • DOI

      10.1063/5.0011799

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Spintronic devices for energy-efficient data storage and energy harvesting2020

    • Author(s)
      Jorge Puebla, Junyeon Kim, Kouta Kondou & Yoshichika Otani
    • Journal Title

      Communications Materials

      Volume: 1 Issue: 1 Pages: 1-9

    • DOI

      10.1038/s43246-020-0022-5

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Acoustic ferromagnetic resonance and spin pumping induced by surface acoustic waves2020

    • Author(s)
      Puebla Jorge、Xu Mingran、Rana Bivas、Yamamoto Kei、Maekawa Sadamichi、Otani Yoshichika
    • Journal Title

      Journal of Physics D: Applied Physics

      Volume: - Issue: 26 Pages: 264002-264002

    • DOI

      10.1088/1361-6463/ab7efe

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Presentation] Acoustically Driven Magnon-Phonon Coupling in a Layered Antiferromagnet2024

    • Author(s)
      J. Puebla, T.P. Lyons, K. Yamamoto, R.S. Deacon, Y. Hwang, K. Ishibashi, S. Maekawa, & Y. Otani,
    • Organizer
      APS March Meeting, Minneapolis, USA, March 2024.
    • Related Report
      2023 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Strong coupling between spin waves and surface acoustic wave2024

    • Author(s)
      Y. Hwang, J. Puebla, K. Kondou, C. Gonzalez-Ballestero, H. Isshiki, C. Sanchez Munoz, L. Liao, F. Chen, W. Luo, S. Maekawa, & Y. Otani
    • Organizer
      APS March Meeting, Minneapolis, USA, March 2024.
    • Related Report
      2023 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Valley-selective phonon-magnon scattering in magnetoelastic superlattices2023

    • Author(s)
      L. Liao, J. Puebla, K. Yamamoto, J. Kim, S. Maekawa, Y. Hwang, Y. Ba, & Y. Otani
    • Organizer
      5th International Workshop on Spintronic Memory and Logic, SML, Beijing, China, Oct. 2023.
    • Related Report
      2023 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Observation of the coupled magnon-phonon mode splitting in a surface acoustic wave cavity device2023

    • Author(s)
      Y. Hwang, J. Puebla, K. Kondou, C. Gonzalez-Ballestero, C. Sanchez Munoz, H. Isshiki, L. Liao, F. Chen, W. Luo, S. Maekawa, & Y. Otani
    • Organizer
      JEMS 2023, Madrid, Spain, Aug. 2023
    • Related Report
      2023 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Spin conversion research towards novel spintronic functionalities2023

    • Author(s)
      Y. Otani
    • Organizer
      MML 2023, Seoul, Korea, Jul. 2023.
    • Related Report
      2023 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Strongly coupled surface acoustic waves and spin waves in a ferromagnetic thin film2023

    • Author(s)
      Y. Hwang, J. Puebla, K. Kondou, K. Yamamoto, S. Maekawa, & Y. Otani
    • Organizer
      MML 2023, Seoul, Korea, Jul. 2023.
    • Related Report
      2023 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Resonant absorption of surface acoustic waves in magnetic thin films2023

    • Author(s)
      J. Puebla, Y. Otani
    • Organizer
      Workshop on Interdisciplinary Spin Physics, Sendai, Japan, Jun. 2023.
    • Related Report
      2023 Annual Research Report
    • Invited
  • [Presentation] Magnon-phonon coupling in a layered antiferromagnet2023

    • Author(s)
      J. Puebla, Y. Otani
    • Organizer
      INTERMAG 2023, Sendai, Japan, May 2023
    • Related Report
      2023 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Observation of Coupled Magnon-Phonon Mode Anticrossing in a Two-Port Surface Acoustic Wave Resonator2023

    • Author(s)
      Y. Hwang, J. Puebla, K. Kondou, K. Yamamoto, S. Maekawa, & Y. Otani
    • Organizer
      INTERMAG 2023, Sendai, Japan, May 2023
    • Related Report
      2023 Annual Research Report
    • Int'l Joint Research
  • [Presentation] “Nonreciprocal Surface Acoustic Wave Propagation Enabled by Out-of-Plane Magnetization2023

    • Author(s)
      L. Liao, J. Puebla, J. Kim, Y. Hwang, Y. Otani
    • Organizer
      INTERMAG 2023, Sendai, Japan, May 2023
    • Related Report
      2023 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 音響共振器による表面弾性波の非線形励起及びマグノン・フォノン結合への影響2022

    • Author(s)
      Y. Hwang, J. Puebla, C. S. Munoz, K. Yamamoto, K. Kondou, S. Maekawa, & Y. Otani
    • Organizer
      日本物理学会 第77回年次大会
    • Related Report
      2022 Annual Research Report
  • [Presentation] Magnon-phonon coupling in the presence of acoustic cavities,2022

    • Author(s)
      J. Puebla
    • Organizer
      Workshop on Spintronics SPIN 2022, Bariloche, Argentina
    • Related Report
      2022 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Magnon-phonon coupling in spintronics2022

    • Author(s)
      Y. Otani, J.Puebla, Y. Hwang, & K.Kondou,
    • Organizer
      ICMFS-2022, Okinawa, Japan
    • Related Report
      2022 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Enhancement of spin current generation by magnon-phonon coupling using acoustic cavity2022

    • Author(s)
      Y. Hwang, J. Puebla, K. Kondou, K. Yamamoto, C. S. Munoz, A. Lagarrigue, S. Maekawa, & Y. Otani
    • Organizer
      ICMFS-2022, Okinawa, Japan
    • Related Report
      2022 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Latest Strides on Magnon-Phonon Coupling (acoustic): Spin current, Nonreciprocity and Nonlinearity2022

    • Author(s)
      J. Puebla, M. Xu, Y. Hwang, K. Yamamoto, S. Maekawa & Y. Otani
    • Organizer
      The 15th Joint MMM-INTERMAG Conference
    • Related Report
      2022 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Latest Strides on Magnon-Phonon Coupling (acoustic): Spin current, Nonreciprocity and Nonlinearity (invited)2022

    • Author(s)
      J. Puebla, M. Xu, Y. Hwang, K. Yamamoto, S. Maekawa & Y. Otani
    • Organizer
      The 15th Joint MMM-INTERMAG Conference, Online, January 2022
    • Related Report
      2021 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] 機能的スピン変換現象2022

    • Author(s)
      大谷 義近
    • Organizer
      分子研研究会「エネルギー科学の最前線:階層横断的な理解に向けて」 2022年3月.
    • Related Report
      2021 Annual Research Report
    • Invited
  • [Presentation] Enhancement of Acoustic Spin Pumping by Acoustic Distributed Bragg Reflector Cavity2021

    • Author(s)
      Y. Hwang, J. Puebla, M. Xu, A. Lagarrigue, K. Kondou & Y. Otani
    • Organizer
      INTERMAG 2021, Online, April 2021
    • Related Report
      2021 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Nonreciprocity via magneto-rotation coupling and acoustic spin pumping in presence of acoustic cavities2021

    • Author(s)
      J. Puebla, M. Xu, Y. Hwang, K. Yamamoto, K. Baumgaertl, A. Lagarrigue, B. Rana, K. Kondou, K. Miura, H. Takahashi, D. Grundler, S. Maekawa & Y. Otani
    • Organizer
      5th Symposium for The Core Research Clusters for Materials Science and Spintronics
    • Related Report
      2021 Annual Research Report
    • Invited
  • [Presentation] Acousto-magnetic rectifier in anisotropic magnets,2019

    • Author(s)
      X. Mingran, K. Yamamoto, J. Puebla, K. Baumgaertl, B. Rana, K. Miura, H. Takahashi, D. Grundler, S. Maekawa & Y. Otani,
    • Organizer
      International workshop in Spintronics, Ollantaytambo, Peru, October 2019
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research
  • [Remarks] 東京大学大谷研究室 & 理化学研究所量子ナノ磁性研究チーム

    • URL

      https://otaniqnm.com/

    • Related Report
      2023 Annual Research Report 2022 Annual Research Report 2021 Annual Research Report

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Published: 2019-06-27   Modified: 2025-02-04  

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