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A quest for the magnetic-field-induced liquid-liquid transition of oxygen

Research Project

Project/Area Number 19K23421
Research Category

Grant-in-Aid for Research Activity Start-up

Allocation TypeMulti-year Fund
Review Section 0202:Condensed matter physics, plasma science, nuclear engineering, earth resources engineering, energy engineering, and related fields
Research InstitutionThe University of Tokyo

Principal Investigator

Nomura Toshihiro  東京大学, 物性研究所, 助教 (20845987)

Project Period (FY) 2019-08-30 – 2021-03-31
Project Status Completed (Fiscal Year 2020)
Budget Amount *help
¥2,860,000 (Direct Cost: ¥2,200,000、Indirect Cost: ¥660,000)
Fiscal Year 2020: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2019: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Keywords超強磁場 / 磁性 / 酸素 / 液体 / 液体酸素 / 磁場誘起相転移 / 超音波 / FBG / 液体-液体相転移 / 強磁場 / 相図
Outline of Research at the Start

液体-液体相転移(liquid-liquid transition, LLT)とは、2種類の異なる液体間の相転移である。LLTの存在は液体という無秩序な状態における局所的秩序の証明とも言え、近年大きな注目を浴びている。
これまでに温度と圧力を制御したLLTの研究は存在するものの、磁場を外部パラメタとした研究は存在しない。本申請では、磁性分子液体である液体酸素を舞台とした磁場誘起LLTを提案し、その実験的観測を目指す。

Outline of Final Research Achievements

Liquid-liquid transition (LLT) is a surprising phenomenon which indicates translational and rotational symmetry breaking in liquid state which was considered to be isotropic. So far, the LLT was studied by tuning temperature and pressure as parameters. In this research, we propose to include magnetic field as a new tuning parameter to study LLTs. A promising candidate for the magnetic-field-induced LLT is liquid oxygen, which is a paramagnetic liquid with strong antiferromagnetic correlations. By using a single-turn-coil system, we studied the optical and elastic properties of liquid oxygen up to 150 T. These results indicated a strong elastic fluctuation under magnetic fields, which might be a precursor of the LLT. In the future study, higher field property of liquid oxygen has to be investigated.

Academic Significance and Societal Importance of the Research Achievements

液体という状態は、固体や気体と比べて理論的に取り扱いにくい性質を持つ。液体ー液体相転移は液体における部分的な対称性の破れに起因する現象であり、液体という状態の理解を深める手がかりとして非常に有用である。これまでの研究で温度・圧力を制御した研究が行われてきたが、本研究では「磁場」を導入することで液体ー液体相転移の新たな一面にフォーカスした。観測には至らなかったが、本研究をきっかけとして他の物質で磁場誘起液体ー液体相転移が発見される可能性がある。

Report

(3 results)
  • 2020 Annual Research Report   Final Research Report ( PDF )
  • 2019 Research-status Report
  • Research Products

    (10 results)

All 2021 2020 2019 Other

All Int'l Joint Research (1 results) Journal Article (4 results) (of which Int'l Joint Research: 2 results,  Peer Reviewed: 4 results,  Open Access: 1 results) Presentation (4 results) (of which Int'l Joint Research: 1 results,  Invited: 1 results) Remarks (1 results)

  • [Int'l Joint Research] HLD-HZDR(ドイツ)

    • Related Report
      2020 Annual Research Report
  • [Journal Article] Higher magnetic-field generation by a mass-loaded single-turn coil2021

    • Author(s)
      Gen M.、Ikeda A.、Kawachi S.、Shitaokoshi T.、Matsuda Y. H.、Kohama Y.、Nomura T.
    • Journal Title

      Review of Scientific Instruments

      Volume: 92 Issue: 3 Pages: 033902-033902

    • DOI

      10.1063/5.0038732

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Crystal-field Paschen-Back effect on ruby in ultrahigh magnetic fields2020

    • Author(s)
      Gen Masaki、Kanda Tomoki、Shitaokoshi Takashi、Kohama Yoshimitsu、Nomura Toshihiro
    • Journal Title

      Physical Review Research

      Volume: 2 Issue: 3 Pages: 033257-033257

    • DOI

      10.1103/physrevresearch.2.033257

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] High magnetic field x-ray diffraction study of the α phase of solid oxygen: Absence of giant magnetostriction2019

    • Author(s)
      Matsuda Yasuhiro H.、Shimizu Ayumi、Ikeda Akihiko、Nomura Toshihiro、Yajima Takeshi、Inami Toshiya、Takahashi Kohki、Kobayashi Tatsuo C.
    • Journal Title

      Physical Review B

      Volume: 100 Issue: 21 Pages: 214105-214105

    • DOI

      10.1103/physrevb.100.214105

    • Related Report
      2019 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Viscosity measurements in pulsed magnetic fields by using a quartz-crystal microbalance2019

    • Author(s)
      Nomura T.、Zherlitsyn S.、Kohama Y.、Wosnitza J.
    • Journal Title

      Review of Scientific Instruments

      Volume: 90 Issue: 6 Pages: 065101-065101

    • DOI

      10.1063/1.5098451

    • Related Report
      2019 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Presentation] Possible liquid-liquid transition of oxygen2020

    • Author(s)
      Toshihiro Nomura
    • Organizer
      ARHMF2020 & KINKEN Materials Science School 2020 for Young Scientists
    • Related Report
      2020 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 固体および液体酸素の超強磁場誘起相転移2019

    • Author(s)
      野村肇宏
    • Organizer
      日本物理学会北海道支部講演会
    • Related Report
      2019 Research-status Report
    • Invited
  • [Presentation] 液体酸素の磁場誘起液体-液体相転移の可能性2019

    • Author(s)
      野村肇宏、松田康弘、嶽山正二郎、小林達生、S. Zherlitsyn
    • Organizer
      液体の化学 夏の学校
    • Related Report
      2019 Research-status Report
  • [Presentation] 破壊型超強磁場中における超音波測定技術の開発2019

    • Author(s)
      野村肇宏、小濱芳允、松田康弘、A. Hauspurg,D. Gorbunov,A. Miyata, S. Zherlitsyn
    • Organizer
      強磁場コラボラトリ
    • Related Report
      2019 Research-status Report
  • [Remarks] 野村肇宏 個人HP

    • URL

      https://ykohama.issp.u-tokyo.ac.jp/tnomura/tnomura

    • Related Report
      2019 Research-status Report

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Published: 2019-09-03   Modified: 2022-01-27  

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