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2012 Fiscal Year Final Research Report

Experimental studies on orbital selective Mott transition and orbital liquid

Research Project

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Project/Area Number 22684018
Research Category

Grant-in-Aid for Young Scientists (A)

Allocation TypeSingle-year Grants
Research Field Condensed matter physics II
Research InstitutionNagoya University

Principal Investigator

SHIMIZU Yasuhiro  名古屋大学, 大学院・理学研究科, 物質理学専攻 (00415184)

Co-Investigator(Renkei-kenkyūsha) 井上 晶次  名古屋大学, 理学研究科, 技官(実験装置の設計担当)
武田 晃  名古屋大学, 理学研究科, DC(NMR 測定)
神野 貴昭  名古屋大学, 理学研究科, MC(試料合成、NMR 測定)
Project Period (FY) 2010 – 2012
Keywords強相関電子系 / 核磁気共鳴 / 遷移金属酸化物
Research Abstract

We have investigated nuclear magnetic resonance, NMR, capable to detect electron orbital motion in atomic resolution. Although conventional NMR technique has been limited in measurements of nonmagnetic insulators and metals, we have succeeded to probe directly electron orbitals using magnetic transition metal nuclear sites for magnetic materials. Our microscopic observations of orbital- and site-selective metal-insulator transitions in vanadates provide important progress for understanding strongly-correlated electron physics.

  • Research Products

    (52 results)

All 2013 2012 2011 2010 Other

All Journal Article (21 results) (of which Peer Reviewed: 21 results) Presentation (30 results) Remarks (1 results)

  • [Journal Article] Orbital reformation with vanadium trimerization in d^2triangular lattice LiVO_2revealed by^51V NMR2013

    • Author(s)
      T. Jin-no, Y. Shimizu, M. Itoh, S. Niitaka, H. Takagi
    • Journal Title

      Physical Review B

      Volume: 87 Pages: 075135/1-5

    • Peer Reviewed
  • [Journal Article] An orbital-selective spin liquid in the frustrated heavy fermion spinel LiV_2O_42012

    • Author(s)
      Y. Shimizu, H. Takeda, M. Itoh, S. Niitaka, H. Takagi
    • Journal Title

      Nature Communications

      Volume: 3 Pages: 981

    • Peer Reviewed
  • [Journal Article] Magnetodielectric effects and spin-charge coupling in the spin-liquid candidate κ-(BEDT -TTF)_2Cu_2(CN)_32012

    • Author(s)
      M. Poirier, S. Parent, A. Cote, K. Miyagawa, K. Kanoda, Y. Shimizu
    • Journal Title

      Physical Review B

      Volume: 85 Pages: 134444/1-8

    • Peer Reviewed
  • [Journal Article] Electronic states of half-metallic chromium oxides probed by ^53Cr NMR2012

    • Author(s)
      H. Takeda, Y. Shimizu, M. Itoh, M. Isobe, Y. Ueda
    • Journal Title

      J. Phys: Conf. Ser.

      Volume: 400 Pages: 032098/1-4

    • Peer Reviewed
  • [Journal Article] Spin-state transition in RCoO_3 (R=La, Pr, and Nd): Single-crystal ^59Co NMR measurements2012

    • Author(s)
      A. Shimokata, S. Yamada, Y. Shimizu, M. Itoh
    • Journal Title

      J. Phys: Conf. Ser

      Volume: 400 Pages: 032086/1-4

    • Peer Reviewed
  • [Journal Article] 3d electron quadrupole moments in vanadium oxides2012

    • Author(s)
      T. Jinno, S. Aoyama, Y. Shimizu, M. Itoh, Y. Ueda
    • Journal Title

      J. Phys: Conf. Ser.

      Volume: 400 Pages: 032084/1-4

    • Peer Reviewed
  • [Journal Article] Absence of magnetic order in Ising honeycomb-lattice Ba_3Co_2O_6(CO_3)_0.72012

    • Author(s)
      K. Igarashi, Y. Shimizu, E. Satomi, Y. Kobayashi, T. Takami, M. Itoh
    • Journal Title

      J. Phys: Conf. Ser

      Volume: 400 Pages: 032024/1-4

    • Peer Reviewed
  • [Journal Article] Orbital ordering and spin-singlet clusters in triangular-based vanadates2012

    • Author(s)
      Y. Shimizu, K. Matsudaira, M. Itoh, T. Kajita, M. Ikeda, J. Miyazaki, T. Katsufuji
    • Journal Title

      J. Phys: Conf. Ser

      Volume: 400 Pages: 032085/1-4

    • Peer Reviewed
  • [Journal Article] Spin-singlet trimer state induced by competing orbital order in triangular-lattice BaV_10O_152011

    • Author(s)
      Y. Shimizu, K. Matsudaira, M.Itoh, T. Kajita, T. Katsufuji
    • Journal Title

      Physical Review B

      Volume: 84 Pages: 064421/1-6

    • Peer Reviewed
  • [Journal Article] Uniaxial Strain effects on the Mott and superconducting transitions in κ-(ET)_2Cu_2(CN)_32011

    • Author(s)
      Y. Shimizu, M. Maesato, G. Saito
    • Journal Title

      J. Phys. Soc. Jpn

      Volume: 80 Pages: 074702/1-7

    • Peer Reviewed
  • [Journal Article] Metal-insulator transition in the hollandite K_2V_8O_16 with a frustrated zigzag ladder probed by ^51V NMR2011

    • Author(s)
      Y. Shimizu, K. Okai, M. Itoh, M. Isobe, J. Yamaura, T. Yamauchi, Y. Ueda
    • Journal Title

      Physical Review B

      Volume: 83 Pages: 155111/1-8

    • Peer Reviewed
  • [Journal Article] Uncovering the magnetic and non-magnetic phases of a quantum spin liquid2011

    • Author(s)
      F.L. Pratt*, P.J. Baker, S.J. Blundell, T. Lancaster, S. Ohira-Kawamura, C. Baines, Y. Shimizu, K. Kanoda and I. Watanabe, G. Saito
    • Journal Title

      Nature

      Volume: 471 Pages: 612-615

    • Peer Reviewed
  • [Journal Article] Anisotropic hyperfine coupling in vanadium oxides2011

    • Author(s)
      Y. Shimizu, H. Takeda, M. Tanaka, M. Itoh, S. Niitaka, H. Takagi, Y. Ueda
    • Journal Title

      Journal of Physics: Conference Series

      Volume: 273 Pages: 012128/1-4

    • Peer Reviewed
  • [Journal Article] Local spin susceptibility in he orbital-frustrated vanadium oxide BaV10O152011

    • Author(s)
      Y. Shimizu, K. Matsudaira, M. Itoh, T. Kajita, T. Katsufuji
    • Journal Title

      J. Phys: Conf. Ser

      Volume: 320 Pages: 012071/1-6

    • Peer Reviewed
  • [Journal Article] Magnetic interactions and orbital state in double chain systems investigated by NMR measurements2011

    • Author(s)
      M. Itoh, H. Takeda, Y. Shimizu, H. Sakurai, M. Isobe, Y. Ueda, J
    • Journal Title

      Phys: Conf. Ser

      Volume: 320 Pages: 012070/1-6

    • Peer Reviewed
  • [Journal Article] Anisotropic spin dynamics in the frustrated chain Ca_3Co_2O_6 detected by single-crystal ^59Co NMR2010

    • Author(s)
      Y. Shimizu, M. Horibe, T. Takami, M. Itoh
    • Journal Title

      Physical Review B

      Volume: 82 Pages: 094430/1-8

    • Peer Reviewed
  • [Journal Article] Pressure-induced superconductivity and Mott transition probed by ^13C NMR on the spin liquid κ-(ET)_2Cu_2(CN)_32010

    • Author(s)
      Y. Shimizu, H. Kasahara, K. Miyagawa, K. Kanoda, M. Maesato, G. Saito
    • Journal Title

      Physical Review B

      Volume: 81 Pages: 224508/1-5

    • Peer Reviewed
  • [Journal Article] Formation of a three-dimensional network of V trimers in A_2V_13O_22 (A =Ba, Sr)2010

    • Author(s)
      J. Miyazaki, K. Matsudaira, Y. Shimizu, M. Itoh, Y. Nagamine, S. Mori, J. Kim, K. Kato, M. Takata, T. Katsufuji
    • Journal Title

      Physical Review Letters

      Volume: 104 Pages: 207201/1-4

    • Peer Reviewed
  • [Journal Article] Magnetic properties of the quasi-one-dimensional superconductor β-Na_0.33V_2O_5 under high pressure investigated by 51V NMR2010

    • Author(s)
      I. Yamauchi, T. Suzuki, Y. Shimizu, M. Itoh, N. Takeshita, T. Yamauchi, Y. Ueda
    • Journal Title

      Physica C

      Volume: 470 Pages: S742-S743

    • Peer Reviewed
  • [Journal Article] Low-energy excitations proved by ^51V NMR in the multiferroic Ni_3V_2O_82010

    • Author(s)
      T. Esaki, Y. Shimizu, T. Takami, M. Itoh, Z. He, Y. Ueda
    • Journal Title

      Journal of Physics: Conference Series

      Volume: 200 Pages: 012070/1-4

    • Peer Reviewed
  • [Journal Article] Rotation of Hyperfine Fields at the V site in the Multiband Metal K_2V_8O_162010

    • Author(s)
      Y. Shimizu, K. Okai, M. Itoh, M. Isobe, J.-I. Yamaura, Y. Ueda
    • Journal Title

      Journal of Physics: Conference Series

      Volume: 200 Pages: 012187/1-4

    • Peer Reviewed
  • [Presentation] 強磁性クロム酸化物 CrO_2 および K_2Cr_8O_16 における局所磁性と電子状態 -^53Cr 核 NMR2013

    • Author(s)
      武田晃,清水康弘ら
    • Organizer
      日本物理学会秋季大会
    • Place of Presentation
      富山大学
    • Year and Date
      2013-09-24
  • [Presentation] LiV_2O_4 の高圧 NMR測定2013

    • Author(s)
      武田晃, 清水康弘ら
    • Organizer
      日本物理学会第68回年次大会
    • Place of Presentation
      広島大学
    • Year and Date
      2013-03-28
  • [Presentation] NMRでみた AV_10O_15(A=Ba,Sr) の軌道状態2013

    • Author(s)
      神野貴昭,松平健一郎, 清水康弘ら
    • Organizer
      日本物理学会第68回年次大会
    • Place of Presentation
      広島大学
    • Year and Date
      2013-03-27
  • [Presentation] LaCoO_3におけるスピンと軌道のゆらぎ II2013

    • Author(s)
      高橋拓也,清水康弘,伊藤正行
    • Organizer
      日本物理学会第68回年次大会
    • Place of Presentation
      広島大学
    • Year and Date
      2013-03-27
  • [Presentation] V_2O_3 の金属絶縁体クロスオーバーに伴う軌道状態の変化2012

    • Author(s)
      神野貴昭, 清水康弘,伊藤正行,上田寛
    • Organizer
      日本物理学会秋季大会
    • Place of Presentation
      横浜国立大学
    • Year and Date
      2012-09-21
  • [Presentation] NMR で見た LiV_2O_4の圧力効果2012

    • Author(s)
      武田晃, 清水康弘ら
    • Organizer
      日本物理学会秋季大会
    • Place of Presentation
      横浜国立大学
    • Year and Date
      2012-09-21
  • [Presentation] LaCoO_3におけるスピンと軌道ゆらぎ2012

    • Author(s)
      高橋拓也,清水康弘ら
    • Organizer
      日本物理学会秋季大会
    • Place of Presentation
      横浜国立大学
    • Year and Date
      2012-09-19
  • [Presentation] Orbitally induced molecule formations in itinerant triangular vanadates2012

    • Author(s)
      Y. Shimizu et al
    • Organizer
      The 19th International Conference on Magnetism with Strongly Correlated Electron Systems
    • Place of Presentation
      Busan, Korea
    • Year and Date
      2012-07-09
  • [Presentation] Magnetic Frustration Effects in the New Colossal Magnetoresistance Oxide NaCr_2O_42012

    • Author(s)
      H. Takeda et al.
    • Organizer
      Magnetic Frustration Effects in the New Colossal Magnetoresistance Oxide NaCr2O4
    • Place of Presentation
      Busan, Korea
    • Year and Date
      2012-07-09
  • [Presentation] Site-dependent metal-insulator transition and orbital order in quasi-one-dimensional V_6O_132012

    • Author(s)
      M. Itoh et al.
    • Organizer
      The 19th International Conference on Magnetism with Strongly Correlated Electron Systems
    • Place of Presentation
      Busan, Korea
    • Year and Date
      2012-07-09
  • [Presentation] NMR で見たカルシウムフェライト型クロム酸化物 NaCr2O4の局所磁性2012

    • Author(s)
      武田晃, 清水康弘ら
    • Organizer
      日本物理学会第67回年次大会
    • Place of Presentation
      関西大学
    • Year and Date
      2012-03-27
  • [Presentation] 二元系バナジウム酸化物における金属絶縁体転移とスピン・軌道局所構造2012

    • Author(s)
      清水康弘ら
    • Organizer
      日本物理学会第67回年次大会
    • Place of Presentation
      関西大学
    • Year and Date
      2012-03-26
  • [Presentation] 二次元三角格子LiVO_2 における軌道秩序と三量体形成2012

    • Author(s)
      神野貴昭,清水康弘ら
    • Organizer
      日本物理学会第67回年次大会
    • Place of Presentation
      関西大学
    • Year and Date
      2012-03-26
  • [Presentation] LaCoO_3 における軌道秩序とゆらぎ2011

    • Author(s)
      清水康弘ら
    • Organizer
      日本物理学会秋季大会
    • Place of Presentation
      富山大学
    • Year and Date
      2011-09-23
  • [Presentation] Na_xCoO_2 単結晶の NMR 測定2011

    • Author(s)
      見田直紀,五十嵐広和,清水康弘ら
    • Organizer
      日本物理学会秋季大会
    • Place of Presentation
      富山大学
    • Year and Date
      2011-09-22
  • [Presentation] 単結晶^51V NMRでみた VO_2 の軌道状態2011

    • Author(s)
      神野貴昭,清水康弘ら
    • Organizer
      日本物理学会秋季大会
    • Place of Presentation
      富山大学
    • Year and Date
      2011-09-22
  • [Presentation] 51V NMR でみたバナジウム酸化物 V_6O_13 の金属絶縁体転移と軌道状態2011

    • Author(s)
      青山知史,清水康弘ら
    • Organizer
      日本物理学会秋季大会
    • Place of Presentation
      富山大学
    • Year and Date
      2011-09-21
  • [Presentation] Orbital Ordering and Spin-Singlet Clusters in Triangular-Based Vanadates2011

    • Author(s)
      Y. Shimizu et al
    • Organizer
      26th International Conference on Low Temperature Physics
    • Place of Presentation
      Beijing, China
    • Year and Date
      2011-08-11
  • [Presentation] Electronic States of Half-Metallic Chormium Oxides Proved by ^53Cr NMR2011

    • Author(s)
      H. Takeda, Y. Shimizu, et al.
    • Organizer
      26th International Conference on Low Temperature Physics
    • Place of Presentation
      Beijing, China
    • Year and Date
      2011-08-11
  • [Presentation] Spin-State Transition in RCoO_3(R = La, Pr, and Nd): Single-Crystal ^59Co NMR Measurements2011

    • Author(s)
      A. Shimokata, S. Yamada, Y. Shimizu, M. Itoh
    • Organizer
      26th International Conference on Low Temperature Physics
    • Place of Presentation
      Beijing, China
    • Year and Date
      2011-08-11
  • [Presentation] 3d Electron Quadrupole Moments in Vanadium Oxides2011

    • Author(s)
      T. Jinno, S. Aoyama, Y. Shimizu, M. Itoh, Y. Ueda
    • Organizer
      26th International Conference on Low Temperature Physics
    • Place of Presentation
      Beijing, China
    • Year and Date
      2011-08-11
  • [Presentation] RCoO_3(R=La,Pr) の^59Co NMR による軌道解析2011

    • Author(s)
      清水康弘ら
    • Organizer
      日本物理学会第65回年次大会
    • Place of Presentation
      新潟大学
    • Year and Date
      2011-03-25
  • [Presentation] マグネリ相酸化バナジウム VnO_2n-1 の単結晶^51V NMR 測定2011

    • Author(s)
      神野貴昭,青山知史,清水康弘ら
    • Organizer
      日本物理学会第65回年次大会
    • Place of Presentation
      新潟大学
    • Year and Date
      2011-03-25
  • [Presentation] NMR でみた高価数クロム酸化物 CrO_2 および K_2Cr_8O_16 の電子状態2011

    • Author(s)
      武田晃, 清水康弘ら
    • Organizer
      日本物理学会第65回年次大会
    • Place of Presentation
      新潟大学
    • Year and Date
      2011-03-25
  • [Presentation] Local spin susceptibility in the orbital-frustrated vanadium oxide BaV_10O_152011

    • Author(s)
      Y . Shimizu
    • Organizer
      International Conference on Frustration in Condensed Matter
    • Place of Presentation
      Sendai, Japan
    • Year and Date
      2011-01-12
  • [Presentation] ホーランダイト型クロム酸化物 A_2Cr_8O_16 (A=K,Rb)の NMR測定2010

    • Author(s)
      武田晃,清水康弘ら
    • Organizer
      日本物理学会秋季大会
    • Place of Presentation
      大阪府立大学
    • Year and Date
      2010-09-23
  • [Presentation] 層状フラストレーション系 AV_13O_18 の^51VNMR2010

    • Author(s)
      松平健一郎,清水康弘ら
    • Organizer
      日本物理学会秋季大会
    • Place of Presentation
      大阪府立大学
    • Year and Date
      2010-09-23
  • [Presentation] K_2V_8O_16 の圧力下^51V NMR2010

    • Author(s)
      清水康弘,武田晃ら
    • Organizer
      日本物理学会秋季大会
    • Place of Presentation
      大阪府立大学
    • Year and Date
      2010-09-23
  • [Presentation] 伊藤正行 RCoO_3 (R=Pr, Nd, Sm)の単結晶^59Co-NMR2010

    • Author(s)
      下方綾子,山田俊平,清水康弘
    • Organizer
      日本物理学会秋季大会
    • Place of Presentation
      大阪府立大学
    • Year and Date
      2010-09-23
  • [Presentation] LaCoO_3のスピン転移における軌道ゆらぎ2010

    • Author(s)
      山田俊平,清水康弘,伊藤正行
    • Organizer
      日本物理学会秋季大会
    • Place of Presentation
      大阪府立大学
    • Year and Date
      2010-09-23
  • [Remarks]

    • URL

      http://i-ken.phys.nagoya-u.ac.jp/index_shimizu.html

URL: 

Published: 2014-08-29  

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