Details of the Researcher

PHOTO

Shojiro Kimura
Section
Institute for Materials Research
Job title
Associate Professor
Degree

  • 博士（理学）（神戸大学）

  • 修士（理学）（神戸大学）

Research History 10

  • 2004/04 - 2004/11
    大阪大学極限科学研究センター 技術補佐員

  • 2004/04 - 2004/11
    Research Fellow, KYOKUGEN, Osaka University

  • 2001 - 2004
    日本学術振興会特別研究員（PD）

  • 1999 - 2001
    大阪大学極限科学研究センター 非常勤研究員

  • 1999 - 2001
    Research Fellow, KYOKUGEN, Osaka University

  • 1997 - 1999
    JSPS Research Fellow

  • 1997 - 1999
    日本学術振興会 特別研究員 (DC2)

  • 2004/11 -
    - 神戸大学分子フォトサイエンス研究センター 非常勤研究員

  • 2004/11 -
    - Research Fellow, malecular Photoscience Research Center

  • 2001 -
    - JSPS Research Fellow

Show all Show first 5

Education 4

  • Kobe University

    - 1998

  • Kobe University　Graduate School, Division of National Science and Technology

    - 1998

  • Kobe University　Faculty of Science

    - 1993

  • Kobe University　Faculty of Science　Department of Physics

    - 1993

Committee Memberships 1

  • 電子スピンサイエンス学会　財務担当理事

    2024/01 - Present

Professional Memberships 4

  • 日本磁気科学会

  • 日本金属学会

  • 電子スピンサイエンス学会

  • 日本物理学会

Research Interests 3

  • 固体物体(]G0002[)(磁性・金属・低温)

  • Semiconductor and Dielectrics)

  • Solid-State Physics (]G0002[) (Optical Properties

Research Areas 1

  • Natural sciences / Magnetism, superconductivity, and strongly correlated systems /

Awards 4

  1. 電子スピン学会学術賞

    2023/11　電子スピン学会

  2. 日本物理学会若手奨励賞

    2010/03　日本物理学会

  3. 強磁場フォーラム三浦奨励賞

    2009/12　強磁場フォーラム

  4. 電子スピンサイエンス学会奨励賞

    2007/11　電子スピンサイエンス学会

Papers 153

  1. A high-temperature multiferroic Tb2(MoO4)3

    Shimon Tajima, Hidetoshi Masuda, Yoichi Nii, Shojiro Kimura, Yoshinori Onose

    Communications Materials　5　(1)　2024/12/18

    Publisher: Springer Science and Business Media LLC

    DOI： 10.1038/s43246-024-00717-8 　

    eISSN： 2662-4443

    More details Close

    Abstract Magnetoelectric mutual control in multiferroics, which is the electric control of magnetization, or reciprocally the magnetic control of polarization has attracted much attention because of its possible applications to spintronic devices, multi-bit memories, and so on. While the required working temperature for the practical application is much higher than room temperature, which ensures stable functionality at room temperature, the reported working temperatures were at most around room temperature. Here, we demonstrated magnetic control of ferroelectric polarization at 432 K in ferroelectric and ferroelastic Tb2(MoO4)3, in which the polarity of ferroelectric polarization is coupled to the orthorhombic strain below the transition temperature 432 K. The paramagnetic but strongly magnetoelastic Tb3+ magnetic moments enable the magnetic control of ferroelectric and ferroelastic domains; the ferroelectric polarization is controlled depending on whether the magnetic field is applied along [110] or [1$$\bar{1}$$0]. This result may pave a new avenue for designing high-temperature multiferroics.

  2. Inter- and Intrasublattice Spin Mixing Conductance of the Antiferromagnetic Spin Pumping Effect in 𝛼−Fe2⁢O3/Pt Peer-reviewed

    T. Hattori, A. Fukuoka, K. Kawagita, K. Tada, Y. Ishikawa, Y. Yamaguchi, Y. Tatematsu, Y. Fujii, M. Kimata, S. Kimura, D. Kan, J. Ohe, T. Moriyama

    Physical Review Letters　133　(25)　256701　2024/12/17

    Publisher: American Physical Society (APS)

    DOI： 10.1103/physrevlett.133.256701 　

    ISSN： 0031-9007

    eISSN： 1079-7114

  3. Optically Electroactive Polymer Synthesized in a Liquid Crystal with Cyclosporin A─Circularly Polarized Electron Spin Resonance

    Kyoka Komaba, Shojiro Kimura, Reiji Kumai, Hiromasa Goto

    The Journal of Physical Chemistry B　128　(8)　2000-2009　2024/02/20

    Publisher: American Chemical Society (ACS)

    DOI： 10.1021/acs.jpcb.3c07375 　

    ISSN： 1520-6106

    eISSN： 1520-5207

  4. Variation of Landau level splitting in the Fermi level controlled Dirac metals (Eu,Gd) MnBi2 International-journal Peer-reviewed

    H. Sakai, K. Nakagawa, K. Tsuruda, J. Shiogai, K. Akiba, M. Tokunaga, S. Kimura, S. Awaji, A. Tsukazaki, H. Murakawa, N. Hanasaki

    Physical Review B　108　(11)　115142-1-115142-7　2023/09/21

    Publisher: American Physical Society (APS)

    DOI： 10.1103/physrevb.108.115142 　

    ISSN： 2469-9950

    eISSN： 2469-9969

  5. High-field phase diagram of the chiral-lattice antiferromagnet Sr(TiO)Cu4(PO4)4

    Toshihiro Nomura, Yasuyuki Kato, Yukitoshi Motome, Atsushi Miyake, Masashi Tokunaga, Yoshimitsu Kohama, Sergei Zherlitsyn, Joachim Wosnitza, Shojiro Kimura, Tsukasa Katsuyoshi, Tsuyoshi Kimura, Kenta Kimura

    Physical Review B　108　(5)　2023/08/23

    DOI： 10.1103/PhysRevB.108.054434 　

    ISSN： 2469-9950

    eISSN： 2469-9969

  6. Magnetic Excitation in the S=1=2 Ising-like Antiferromagnetic Chain CsCoCl3 in Longitudinal Magnetic Fields Studied by High-field ESR Measurements

    Shojiro Kimura, Hiroaki Onishi, Kouichi Okunishi, Mitsuru Akaki, Yasuo Narumi, Masayuki Hagiwara, Koichi Kindo, Hikomitsu Kikuchi

    JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN　92　(9)　2023/07

    DOI： 10.7566/JPSJ.92.094701 　

    ISSN： 0031-9015

  7. Superconducting fluctuation effect on epitaxially layered films of superconductor NbN and half-metallic Heusler alloy Co2MnSi Peer-reviewed

    Iduru Shigeta, Shuta Oku, Takahide Kubota, Shojiro Kimura, Takeshi Seki, Bunju Shinozaki, Satoshi Awaji, Koki Takanashi, Masahiko Hiroi

    AIP Advances　13　(2)　025116-025116　2023/02/01

    Publisher: AIP Publishing

    DOI： 10.1063/9.0000584 　

    eISSN： 2158-3226

    More details Close

    Superconducting properties were investigated in epitaxially layered films consisting of superconductor NbN and half-metallic Heusler alloy Co2MnSi (CMS). Temperature dependence of the electrical resistivity ρ( T) was measured by applying perpendicular magnetic fields to the surface of NbN/CMS films. With the increase of the CMS thickness dCMS, the upper critical field μ0 Hc2 decreased monotonically, but the superconducting transition temperature Tc had the minimum of 10.1 K at dCMS ≈ 5 nm. The Tc behavior was in qualitative agreement with the theory of the π-coupling. The pair-breaking parameter δ determined by the superconducting fluctuation theory took the maximum at dCMS = 3 ∼ 5 nm, which would be related to the minimum of Tc. The experimental results reveal that the superconductivity of the NbN layer in NbN/CMS films is affected by the interplay between the superconducting NbN layer and the half-metallic CMS layer.

  8. Nonreciprocal Directional Dichroism in Magnetoelectric Spin Glass Peer-reviewed

    Y. Sawada, S. Kimura, K. Watanabe, Y. Yamaguchi, T. Arima, T. Kimura

    Physical Review Letters　129　(21)　2022/11/15

    Publisher: American Physical Society (APS)

    DOI： 10.1103/physrevlett.129.217201 　

    ISSN： 0031-9007

    eISSN： 1079-7114

  9. Enhanced anisotropic magnetoresistance in the odd-parity multipole-ordered conductor Ba1−xKxMn2As2 Peer-reviewed

    Takuya Aoyama, Masahiro Kudo, Kaoru Igarashi, Kazutoshi Emi, Shojiro Kimura, Yoshinori Imai, Kenya Ohgushi

    Physical Review B　2022/06/28

    DOI： 10.1103/PhysRevB.105.224422 　

  10. Quantum phase of the chromium spinel oxide in high magnetic fields Peer-reviewed

    Shojiro Kimura, Shusaku Imajo, Masaki Gen, Tsutomu Momoi, Masayuki Hagiwara, Hiroaki Ueda, Yoshimitsu Kohama

    Physical Review B　105　(18)　2022/05/09

    Publisher: American Physical Society (APS)

    DOI： 10.1103/physrevb.105.l180405 　

    ISSN： 2469-9950

    eISSN： 2469-9969

  11. Enhancement of the Magnetoelectric Effect Using the Dynamic Jahn-Teller Effect in a Transition-Metal Complex Peer-reviewed

    Yasunao Otsuki, Shojiro Kimura, Satoshi Awaji, Motohiro Nakano

    Physical Review Letters　2022/03/15

    DOI： 10.1103/PhysRevLett.128.117601 　

  12. Optical selection rules of the magnetic excitation in the S=12 one-dimensional Ising-like antiferromagnet BaCo2V2O8

    Shojiro Kimura, Hiroaki Onishi, Akira Okutani, Mitsuru Akaki, Yasuo Narumi, Masayuki Hagiwara, Kouichi Okunishi, Koichi Kindo, Zhangzhen He, Tomoyasu Taniyama, Mitsuru Itoh

    Physical Review B　105　(1)　2022/01/18

    Publisher: American Physical Society (APS)

    DOI： 10.1103/physrevb.105.014417 　

    ISSN： 2469-9950

    eISSN： 2469-9969

  13. Nonreciprocal Directional Dichroism in a Magnetic-Field-Induced Ferroelectric Phase of Pb(TiO)Cu4(PO4)4 Peer-reviewed

    Tsukasa Katsuyoshi, Kenta Kimura, Zhuo Yang, Yasuyuki Kato, Shojiro Kimura, Yukitoshi Motome, Yoshimitsu Kohama, Tsuyoshi Kimura

    Journal of the Physical Society of Japan　90　(12)　2021/12/15

    Publisher: Physical Society of Japan

    DOI： 10.7566/jpsj.90.123701 　

    ISSN： 0031-9015

    eISSN： 1347-4073

  14. Crystal-chirality-dependent control of magnetic domains in a time-reversal-broken antiferromagnet Peer-reviewed

    Kenta Kimura, Yasuyuki Kato, Shojiro Kimura, Yukitoshi Motome, Tsuyoshi Kimura

    npj Quantum Materials　6　(1)　2021/12

    Publisher: Springer Science and Business Media LLC

    DOI： 10.1038/s41535-021-00355-0 　

    eISSN： 2397-4648

    More details Close

    <title>Abstract</title>Chiral-lattice magnets can exhibit a variety of physical phenomena when time-reversal symmetry is broken by their magnetism. For example, nonreciprocal responses of (quasi)particles have been widely observed in chiral-lattice magnets with macroscopic magnetization. Meanwhile, time-reversal symmetry can also be broken in antiferromagnets without magnetization. Here we report an unconventional chirality-magnetism coupling in a chiral-lattice antiferromagnet Pb(TiO)Cu4(PO4)4 whose time-reversal symmetry is broken by an ordering of magnetic quadrupoles. Our experiments demonstrate that a sign of magnetic quadrupoles is controllable by a magnetic field only, which is generally impossible in consideration of the symmetry of magnetic quadrupoles. Furthermore, we find that the sign of magnetic quadrupoles stabilized by applying a magnetic field is reversed by a switching of the chirality. Our theoretical calculations and phenomenological approach reveal that this unusual coupling between the chirality and magnetic quadrupoles is mediated by the previously-unrecognized magnetic octupoles that emerge due to the chirality.

  15. E8 Spectra of Quasi-One-Dimensional Antiferromagnet BaCo2V2O8 under Transverse Field Peer-reviewed

    Haiyuan Zou, Yi Cui, Xiao Wang, Z. Zhang, J. Yang, G. Xu, A. Okutani, M. Hagiwara, M. Matsuda, G. Wang, Giuseppe Mussardo, K. Hódsági, M. Kormos, Zhangzhen He, S. Kimura, Rong Yu, Weiqiang Yu, Jie Ma, Jianda Wu

    Physical Review Letters　127　(7)　077201-1-077201-6　2021/08/09

    Publisher: American Physical Society (APS)

    DOI： 10.1103/physrevlett.127.077201 　

    ISSN： 0031-9007

    eISSN： 1079-7114

  16. Magneto‐Electric Directional Anisotropy in Polar Soft Ferromagnets of Two‐Dimensional Organic–Inorganic Hybrid Perovskites

    Kouji Taniguchi, Masaki Nishio, Nobuyuki Abe, Po‐Jung Huang, Shojiro Kimura, Taka‐hisa Arima, Hitoshi Miyasaka

    Angewandte Chemie International Edition　2021/05/24

    Publisher: Wiley

    DOI： 10.1002/anie.202103121 　

    ISSN： 1433-7851

    eISSN： 1521-3773

  17. Spin Excitations of the S = 1/2 One-Dimensional Ising-Like Antiferromagnet BaCo2V2O8 in Transverse Magnetic Fields

    Akira Okutani, Hiroaki Onishi, Shojiro Kimura, Tetsuya Takeuchi, Takanori Kida, Michiyasu Mori, Atsushi Miyake, Masashi Tokunaga, Koichi Kindo, Masayuki Hagiwara

    Journal of the Physical Society of Japan　90　(4)　044704-044704　2021/04/15

    Publisher: Physical Society of Japan

    DOI： 10.7566/jpsj.90.044704 　

    ISSN： 0031-9015

    eISSN： 1347-4073

  18. Electric Dipole Active Magnetic Resonance and Nonreciprocal Directional Dichroism in Magnetoelectric Multiferroic Materials in Terahertz and Millimeter Wave Regions

    Shojiro Kimura, Noriki Terada, Masayuki Hagiwara, Masashige Matsumoto, Hidekazu Tanaka

    Applied Magnetic Resonance　52　(4)　363-378　2021/04

    Publisher: Springer Science and Business Media LLC

    DOI： 10.1007/s00723-020-01307-w 　

    ISSN： 0937-9347

    eISSN： 1613-7507

  19. Unconventional magnetic excitations and spin dynamics of exotic quantum spin systems BaCo$$_2$$V$$_2$$O$$_8$$ and Ba$$_3$$CuSb$$_2$$O$$_9$$

    Yibo Han, Shojiro Kimura, Kouichi Okunishi, Masayuki Hagiwara

    Applied Magnetic Resonance　52　(4)　349-362　2021/04

    Publisher: Springer Science and Business Media LLC

    DOI： 10.1007/s00723-020-01296-w 　

    ISSN： 0937-9347

    eISSN： 1613-7507

  20. Electrical Switching of the Nonreciprocal Directional Microwave Response in a Triplon Bose-Einstein Condensate

    Shojiro Kimura, Masashige Matsumoto, Hidekazu Tanaka

    Physical Review Letters　124　(21)　2020/05/29

    Publisher: American Physical Society

    DOI： 10.1103/PhysRevLett.124.217401 　

    ISSN： 1079-7114 0031-9007

  21. Electronic phase diagram of Fe1+yTe1-xSex revealed by magnetotransport measurements

    Watanabe, T., Otsuka, T., Hagisawa, S., Koshika, Y., Adachi, S., Usui, T., Sasaki, N., Sasaki, S., Yamaguchi, S., Uezono, Y., Nakanishi, Y., Yoshizawa, M., Kimura, S.

    Modern Physics Letters B　34　(19n20)　2040051-2040051　2020

    DOI： 10.1142/S0217984920400515 　

    ISSN： 0217-9849

    eISSN： 1793-6640

  22. Epitaxial contact Andreev reflection spectroscopy of NbN/Co2FeSi layered devices Peer-reviewed

    Iduru Shigeta, Takahide Kubota, Yuya Sakuraba, Cor G. Molenaar, Joost N. Beukers, Shojiro Kimura, Alexander A. Golubov, Alexander Brinkman, Satoshi Awaji, Koki Takanashi, Masahiko Hiroi

    Applied Physics Letters　112　(7)　072402　2018/02/12

    Publisher: American Institute of Physics Inc.

    DOI： 10.1063/1.5007287 　

    ISSN： 0003-6951

  23. Large magneto-thermopower in MnGe with topological spin texture Peer-reviewed

    Y. Fujishiro, N. Kanazawa, T. Shimojima, A. Nakamura, K. Ishizaka, T. Karetsune, R. Arita, A. Miyake, H. Mitamura, K. Akiba, M. Tokunaga, J. Shiogai, S. Kimura, A. Awaji, A. Tsukazaki, A. Kikkawa, T. Taguchi, Y. Tokura

    Nat. Commun　9　408　2018/01

  24. Spin dynamics in the high-field phases of volborthite Peer-reviewed

    M. Yoshida, K. Nawa, H. Ishikawa, M. Takigawa, M. jeong, K. Kramer, M. Horvatic, C. Berthier, K. Matsui, T. Goto, S. Kimura, T. Sasaki, J. Yamaura, H. Yoshida, Y. Okamoto, Z. Hiroi

    Phys. Rev. B　96　180413R　2017/11

  25. Manipulation of electric polarization with rotating magnetic field in a honeycomb antiferromagnet Co4Nb2O9 Peer-reviewed

    N. D. Khanh, N. Abe, S. Kimura, Y. Tokunaga, T. Arima

    PHYSICAL REVIEW B　96　(9)　094434　2017/09

    DOI： 10.1103/PhysRevB.96.094434 　

    ISSN： 2469-9950

    eISSN： 2469-9969

  26. Magneto-chiral dichroism of CsCuCl3 Peer-reviewed

    N. Nakagawa, N. Abe, S. Toyoda, S. Kimura, J. Zaccaro, I. Gautier-Luneau, D. Luneau, Y. Kousaka, A. Sera, M. Sera, K. Inoue, J. Akimitsu, Y. Tokunaga, T. Arima

    PHYSICAL REVIEW B　96　(12)　121102R　2017/09

    DOI： 10.1103/PhysRevB.96.121102 　

    ISSN： 2469-9950

    eISSN： 2469-9969

  27. Magnetic structure and dispersion relation of the S=1/2 quasi-one-dimensional Ising-like antiferromagnet BaCo2V2O8 in a transverse magnetic field Peer-reviewed

    M. Matsuda, H. Onishi, A. Okutani, J. Ma, H. Agrawal, T. Hong, D. M. Pajerowski, J. R. D. Copley, K. Okunishi, M. Mori, S. Kimura, M. Hagiwara

    PHYSICAL REVIEW B　96　(2)　24439　2017/07

    DOI： 10.1103/PhysRevB.96.024439 　

    ISSN： 2469-9950

    eISSN： 2469-9969

  28. Anisotropic magnetodielectric effect in the honeycomb-type magnet alpha-RuCl3 Peer-reviewed

    Takuya Aoyama, Yoshinao Hasegawa, Shojiro Kimura, Tsuyoshi Kimura, Kenya Ohgushi

    PHYSICAL REVIEW B　95　(24)　245104　2017/06

    DOI： 10.1103/PhysRevB.95.245104 　

    ISSN： 2469-9950

    eISSN： 2469-9969

  29. Magnetoelectric effect in the quantum spin gap system TlCuCl3 Peer-reviewed

    Shojiro Kimura, Kento Kakihata, Yuya Sawada, Kazuo Watanabe, Masashige Matsumoto, Masayuki Hagiwara, Hidekazu Tanaka

    Physical Review B　95　(18)　184420　2017/05/17

    Publisher: American Physical Society

    DOI： 10.1103/PhysRevB.95.184420 　

    ISSN： 2469-9969 2469-9950

  30. Fabrication and Characterization of Epitaxial Films of Superconductor NbN and Highly Spin- Polarized Heusler Alloy CO2Fe0.4Mn0.6Si Peer-reviewed

    Iduru Shigeta, Takahide Kubota, Kazumasa Makise, Shojiro Kimura, Satoshi Awaji, Bunju Shinozaki, Keiichi Koyama, Koki Takanashi, Masahiko Hiroi

    IEEE MAGNETICS LETTERS　8　3305605　2017

    DOI： 10.1109/LMAG.2017.2687878 　

    ISSN： 1949-307X

  31. Origin of positive out-of-plane magnetoconductivity in overdoped Bi1.6 Pb0.4 Sr2 CaCu1.96 Fe0.04 O8+δ Peer-reviewed

    Takao Watanabe, Tomohiro Usui, Shintaro Adachi, Yuki Teramoto, Mihaly M. Dobroka, Itsuhiro Kakeya, Akihiro Kondo, Koichi Kindo, Shojiro Kimura

    Physical Review B　94　(17)　174517-1-174517-5　2016/11/28

    DOI： 10.1103/PhysRevB.94.174517 　

    ISSN： 2469-9950

    eISSN： 2469-9969

  32. Ferroelectricity by Bose-Einstein condensation in a quantum magnet Peer-reviewed

    S. Kimura, K. Kakihata, Y. Sawada, K. Watanabe, M. Matsumoto, M. Hagiwara, H. Tanaka

    NATURE COMMUNICATIONS　7　12822-1-12822-5　2016/09

    DOI： 10.1038/ncomms12822 　

    ISSN： 2041-1723

  33. Observation of a Metamagnetic Transition of FeRh Alloy under High Magnetic Fields and High Temperatures Peer-reviewed

    Reisho Onodera, Kazuki Ohtake, Kohki Takahashi, Shojiro Kimura, Kazuo Watanabe, Keiichi Koyama

    JOURNAL OF THE JAPAN INSTITUTE OF METALS　80　(3)　186-191　2016/03

    DOI： 10.2320/jinstmet.J2015055 　

    ISSN： 0021-4876

    eISSN： 1880-6880

  34. 20pBN-6 Observation of an anomaly of out of plane resistivity of iron-based superconductors Fe_<1+y>Te_<1-x>Se_x

    Hagisawa S., Ohtsuka T., Adachi S., Usui T., Yoshizawa M., Nakanishi Y., Kimura S., Watanabe T.

    Meeting Abstracts of the Physical Society of Japan　71　2086-2086　2016

    Publisher: The Physical Society of Japan (JPS)

    DOI： 10.11316/jpsgaiyo.71.1.0_2086 　

    ISSN： 2189-079X

  35. 21aPS-41 Obserbation of Negative Resistance in Underdoped Bi-2223 Single Crystal

    Kosugi K., Adachi S., Usui T., Takahashi K., Kimura S., Watanabe T.

    Meeting Abstracts of the Physical Society of Japan　71　2236-2236　2016

    Publisher: The Physical Society of Japan (JPS)

    DOI： 10.11316/jpsgaiyo.71.1.0_2236 　

    ISSN： 2189-079X

  36. One-Way Transparency of Light in Multiferroic CuB2O4 Peer-reviewed

    S. Toyoda, N. Abe, S. Kimura, Y. H. Matsuda, T. Nomura, A. Ikeda, S. Takeyama, T. Arima

    PHYSICAL REVIEW LETTERS　115　(26)　267207-1-267207-5　2015/12

    DOI： 10.1103/PhysRevLett.115.267207 　

    ISSN： 0031-9007

    eISSN： 1079-7114

  37. Evolution of exchange interaction constants across magnetic phase transitions in the chromium spinel oxide CdCr2O4 Peer-reviewed

    S. Kimura, Y. Sawada, Y. Narumi, K. Watanabe, M. Hagiwara, K. Kindo, H. Ueda

    Phys. Rev. B　115　144410-1-144410-9　2015/10/09

    DOI： 10.1103/PhysRevB.92.144410 　

  38. High-Field Multi-Frequency ESR in the Quasi-1D S = 1/2 Ising-Like Antiferromagnet BaCo&lt;inf&gt;2&lt;/inf&gt;V&lt;inf&gt;2&lt;/inf&gt;O&lt;inf&gt;8&lt;/inf&gt; in a Transverse Field Peer-reviewed

    A. Okutani, S. Kimura, T. Takeuchi, M. Hagiwara

    Applied Magnetic Resonance　46　(9)　1003-1006　2015/10/01

    Publisher: Springer-Verlag Wien

    DOI： 10.1007/s00723-015-0655-6 　

    ISSN： 0937-9347

  39. High-Field ESR Measurements of the Spin-Gap System in Polarized Microwaves Peer-reviewed

    S. Kimura, K. Watanabe, T. Kashiwagi, H. Yamaguchi, M. Hagiwara, Z. Honda

    APPLIED MAGNETIC RESONANCE　46　(9)　1035-1039　2015/09

    DOI： 10.1007/s00723-015-0661-8 　

    ISSN： 0937-9347

    eISSN： 1613-7507

  40. Nucleation control for fine nano crystallization of Fe-based amorphous alloy by high-magnetic-field annealing Peer-reviewed

    Reisho Onodera, Shojiro Kimura, Kazuo Watanabe, Yoshihiko Yokoyama, Akihiro Makino, Keiichi Koyama

    JOURNAL OF ALLOYS AND COMPOUNDS　637　213-218　2015/07

    DOI： 10.1016/j.jallcom.2015.02.197 　

    ISSN： 0925-8388

    eISSN： 1873-4669

  41. Fe-Fe3C binary phase diagram in high magnetic fields Peer-reviewed

    Yoshifuru Mitsui, Yuki Ikehara, Kohki Takahashi, Shojiro Kimura, Goro Miyamoto, Tadashi Furuhara, Kazuo Watanabe, Keiichi Koyama

    JOURNAL OF ALLOYS AND COMPOUNDS　632　251-255　2015/05

    DOI： 10.1016/j.jallcom.2015.01.129 　

    ISSN： 0925-8388

    eISSN： 1873-4669

  42. Nucleation control for fine nano crystallization of Fe-based amorphous alloy by high-magnetic-field annealing Peer-reviewed

    R. Onodera, S. Kimura, K. Watanabe, Y. Yokoyama, A. Makino, K. Koyama

    J. Alloys and Componds　637　213-218　2015/03/04

    DOI： 10.1016/j.jallcom 　

  43. Large magnetochromism in multiferroic MnWO4 Peer-reviewed

    S. Toyoda, N. Abe, T. Arima, S. Kimura

    PHYSICAL REVIEW B　91　(5)　054417-1-054417-4　2015/02

    DOI： 10.1103/PhysRevB.91.054417 　

    ISSN： 1098-0121

    eISSN： 1550-235X

  44. Unscaling superconducting parameters with Tc for Bi-2212 and Bi-2223: A magnetotransport study in the superconductive fluctuation region Peer-reviewed

    S. Adachi, T. Usui, H. Kubo, H. Kushibiki, K. Murata, T. Watanabe, K. Kudo, T. Nishiazki, N. Kobayashi, S. Kimura, M. Fujita, K. Yamada, T. Noji, Y. Koike, T. Fujii

    J. Phys, Soc. Jpn.　83　024706-1-024706-4　2015/01/07

    DOI： 10.7566/JPSJ.84.024706 　

  45. 18pCD-8 Magneto-electric response in zig-zag antiferromagnetic spin chain compound MnNb_2O_6

    Khanh N. D., Abe N., Netsu N., Kimura S., Tokunaga Y., Arima T.

    Meeting Abstracts of the Physical Society of Japan　70　2019-2019　2015

    Publisher: The Physical Society of Japan (JPS)

    DOI： 10.11316/jpsgaiyo.70.2.0_2019 　

    ISSN： 2189-079X

  46. Exchange Interactions of the Chromium Spinel Oxide HgCr2O4 in High Magnetic Fields Examined by the Magnetoelastic Theory Peer-reviewed

    Shojiro Kimura, Masayuki Hagiwara, Tetsuya Takeuchi, Hironori Yamaguchi, Hiroaki Ueda, Koichi Kindo

    JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN　83　(11)　113709-1-113709-5　2014/11

    DOI： 10.7566/JPSJ.83.113709 　

    ISSN： 0031-9015

  47. Electromagnon by chiral spin dynamics in the triangular lattice antiferromagnet Peer-reviewed

    S. Kimura, T. Fujita, M. Hagiwara, H. Yamaguchi, T. Kashiwagi, N. Terada, Y. Sawada, K. Watanabe

    Physical Review B - Condensed Matter and Materials Physics　90　(6)　060413(R)-1-060413(R)-5　2014/08/27

    DOI： 10.1103/PhysRevB.90.060413 　

    ISSN： 1550-235X 1098-0121

  48. Crystallization kinetics of high iron concentration amorphous alloys under high magnetic fields Peer-reviewed

    Reisho Onodera, Shojiro Kimura, Kazuo Watanabe, Yoshihiko Yokoyama, Akihiro Makino, Keiichi Koyama

    JOURNAL OF ALLOYS AND COMPOUNDS　604　8-11　2014/08

    DOI： 10.1016/j.jallcom.2014.03.080 　

    ISSN： 0925-8388

    eISSN： 1873-4669

  49. Doping dependencies of onset temperatures for the pseudogap and superconductive fluctuation in Bi2Sr2CaCu2O8+d, , studied from both in-plane and out-of-plane magnetoresistance measurements Peer-reviewed

    T. Usui, D. Fujiwara, S. Adachi, H. Kudo, K. Murata, H. Kushibiki, T. Watanabe, K. Kudo, T. Nishizaki, N. Kobayashi, S. Kimura, K. Yamada, T. Naito, T. Noji, Y. Koike

    J. Phys. Soc. Jpn.　83　064713-1-064713-7　2014/06/02

    DOI： 10.7566/JPSJ.83.064713 　

  50. X-ray diffraction measurements of the Fe-Rh Alloy under high magnetic fields and at high temperature Peer-reviewed

    K. Ohtake, Y. Mitsui, K. Takahashi, R. Onodera, S. Kimura, K. Watanabe, K. Koyama

    IEEE Transactions on Magnetics　50　(1)　1001404-1-1001404-4　2014/01

  51. Modeling Spectroscopic Properties of Ni2+ Ions in the Haldane Gap System Y2BaNiO5 Peer-reviewed

    C. Rudowicz, P. Gnutek, S. Kimura, M. Acikgoz, Y. Y. Yeung

    APPLIED MAGNETIC RESONANCE　44　(8)　899-915　2013/08

    DOI： 10.1007/s00723-013-0448-8 　

    ISSN： 0937-9347

    eISSN： 1613-7507

  52. Multi-step metamagnetic processes of PrPd2Si2 single crystal Peer-reviewed

    Toru Shigeoka, Tetsuya Fujiwara, Keiichi Koyama, Shojiro Kimura, Kazuo Watanabe

    JOURNAL OF THE KOREAN PHYSICAL SOCIETY　63　(3)　567-570　2013/08

    DOI： 10.3938/jkps.63.567 　

    ISSN： 0374-4884

    eISSN： 1976-8524

  53. High-field multi-frequency ESR in the S=2 heisenberg antiferromagnetic chain compound MnCl3(bpy) Peer-reviewed

    Masayuki Hagiwara, Masami Ikeda, Yuichi Idutsu, Shojiro Kimura, Zentaro Honda

    Journal of the Korean Physical Society　62　(12)　2046-2049　2013/07

    DOI： 10.3938/jkps.62.2046 　

    ISSN： 0374-4884 1976-8524

  54. Isothermal Crystallization of Iron-Based Amorphous Alloys in a High Magnetic Field Peer-reviewed

    Reisho Onodera, Shojiro Kimura, Kazuo Watanabe, Yoshihiko Yokoyama, Akihiro Makino, Keiichi Koyama

    MATERIALS TRANSACTIONS　54　(7)　1232-1235　2013/07

    DOI： 10.2320/matertrans.M2013136 　

    ISSN： 1345-9678

    eISSN： 1347-5320

  55. Antiferromagnetic transition in Ru2CrSi in magnetic fields Peer-reviewed

    M. Hiroi, K. Uchida, I. Shigeta, M. Ito, K. Koyama, S. Kimura, K. Watanabe

    J. Korean Phys. Soc　63　(12)　2068-7072　2013/06

    DOI： 10.3938/jkps.62.2068 　

  56. Transport and magnetic properties of fully-epitaxial superconducting NbN/half-metallic Heulser alloy Co2MnSi bilayer films Peer-reviewed

    I. Shigeta, Y. Sakuraba, S. Kimura, K. Koyama, K. Watanabe, K. Takanashi, M. Hiroi

    J. Magn. Soc. Jpn.　37　(3-2)　222-226　2013/05/23

    DOI： 10.3379/msjmag.1305R007 　

  57. High-field magnetism of the S = 5/2 triangular-lattice antiferromagnet CuFe1-xGaO2 Peer-reviewed

    T. Fujita, S. Kimura, T. Kida, T. Kotetsu, M. Hagiwara

    J. Phys. Soc. Jpn.　82　(5)　064712-1-064712-9　2013/05/15

    DOI： 10.7566/JPSJ.82.064712 　

  58. Electromagnon Excitation of the Triangular Lattice Antiferromagnet CuFeO2 in High Magnetic Fields Peer-reviewed

    S. Kimura, K. Watanabe, T. Fujita, M. Hagiwara, H. Yamaguchi, T. Kashiwagi, N. Terada

    JOURNAL OF LOW TEMPERATURE PHYSICS　170　(5-6)　274-278　2013/03

    DOI： 10.1007/s10909-012-0668-6 　

    ISSN： 0022-2291

  59. High-Field Optical Spectroscopy of the Spin-Crossover Complex [Mn-III(taa)] Peer-reviewed

    Y. Sawada, S. Kimura, K. Watanabe, M. Nakano

    JOURNAL OF LOW TEMPERATURE PHYSICS　170　(5-6)　424-429　2013/03

    DOI： 10.1007/s10909-012-0750-0 　

    ISSN： 0022-2291

  60. High-field magnetism of the s=5/2 kagome-lattice antiferromagnet KFe 3(OH)6(SO4)2 for the magnetic field in the Kagome-plane Peer-reviewed

    T. Fujita, M. Hagiwara, H. Yamaguchi, S. Kimura, T. Kashiwagi, K. Matan, D. G. Nocera, Y. S. Lee, D. Grohol

    Journal of Low Temperature Physics　170　(5-6)　242-247　2013/03

    DOI： 10.1007/s10909-012-0759-4 　

    ISSN： 0022-2291 1573-7357

  61. High-Field Magnetization of the S=1/2 Two-Leg Spin-Ladder Antiferromagnets CuAX(2) (A=Diazine, X=Halogen) Peer-reviewed

    M. Ikeda, Z. Honda, M. Sakai, S. Kimura, K. Okunishi, M. Hagiwara

    JOURNAL OF LOW TEMPERATURE PHYSICS　170　(5-6)　296-301　2013/03

    DOI： 10.1007/s10909-012-0809-y 　

    ISSN： 0022-2291

  62. Collapse of order of the quasi one-dimensional Ising-like antiferromagnet BaCo2V2O8 in transverse fields Peer-reviewed

    S. Kimura, K. Okunishi, M. Hagiwara, K. Kindo, Z. He, T. Taniyama, M. Itoh, K. Koyama, K. Watanabe

    J. Phys. Soc. Jpn.　82　(3)　033706-1-033706-4　2013/02/18

    DOI： 10.7566/JPDJ.82.033706 　

  63. Magnetic Field Effects on Crystallization of Iron-Based Amorphous Alloys Peer-reviewed

    Reisho Onodera, Shojiro Kimura, Kazuo Watanabe, Sangmin Lee, Yoshihiko Yokoyama, Akihiro Makino, Keiichi Koyama

    MATERIALS TRANSACTIONS　54　(2)　188-191　2013

    DOI： 10.2320/matertrans.M2012242 　

    ISSN： 1345-9678

    eISSN： 1347-5320

  64. High-field multifrequency ESR in the S=5/2 kagome-lattice antiferromagnet KFe3(OH)6(SO4)2 Peer-reviewed

    T. Fujita, H. Yamaguchi, S. Kimura, T. Kashiwagi, M. Hagiwara, K. Matan, D. Grohol, D. G. Nocera, Y. S. Lee

    Phys. Rev. B　85　(5)　094409-1-094409-11　2012/03/06

    DOI： 10.1103/PhysRevB.85.094409 　

  65. Magnetic phase diagram of the frustrated S=1/2 chain magnet LiCu2O2 Peer-reviewed

    A. A. Bush, V. N. Glazkov, M. Hagiwara, T. Kashiwagi, S. Kimura, K. Omura, L. A. Prozorova, L. E. Svistov, A. M. Vasiliev, A. Zheludev

    PHYSICAL REVIEW B　85　(5)　054421-1-054421-7　2012/02

    DOI： 10.1103/PhysRevB.85.054421 　

    ISSN： 2469-9950

    eISSN： 2469-9969

  66. Electromagnon excitation in the triangular lattice antiferromagnet CuFeO2 Peer-reviewed

    S. Kimura, K. Watanabe, T. Fujita, M. Hagiwara, H. Yamaguchi, T. Kashiwagi, N. Terada

    26TH INTERNATIONAL CONFERENCE ON LOW TEMPERATURE PHYSICS (LT26), PTS 1-5　400　032039-1-032039-4　2012

    DOI： 10.1088/1742-6596/400/3/032039 　

    ISSN： 1742-6588

  67. Magnons and electromagnons in a spin-lattice-coupled frustrated magnet CuFeO2 as seen via inelastic neutron scattering Peer-reviewed

    Taro Nakajima, Azusa Suno, Setsuo Mitsuda, Noriki Terada, Shojiro Kimura, Koji Kaneko, Hiroki Yamauchi

    PHYSICAL REVIEW B　84　(18)　184401-1-184401-7　2011/11

    DOI： 10.1103/PhysRevB.84.184401 　

    ISSN： 1098-0121

  68. Mutifrequency ER measurements of the triangular lattice antiferromagnet CuFeO2 in high magnetic field Peer-reviewed

    S. Kimura, T. Fujita, N. Nishihagi, H. Yamaguchi, T. Kashiwagi, M. Hagiwara, N. Terada, Y. Sawai, K. Kindo

    Phys. Rev. B　84　(10)　104449-1-104449-11　2011/09/30

    DOI： 10.1103/PhysRevB.84.104449 　

  69. Large change in the exchange interactions of HgCr2O4 under very high magnetic fields Peer-reviewed

    S. Kimura, M. Hagiwara, T. Takeuchi, H. Yamaguchi, H. Ueda, Y. Ueda, K. Kindo

    Phys. Rev. B　83　(21)　214401-1-214401-5　2011/06/21

  70. Electron spin resonance in the quasi-two-dimensional triangular-lattice antiferromagnet Rb4Mn(MoO4)3 Peer-reviewed

    Hironori Yamaguchi, Shojiro Kimura, Rieko Ishii, Satoru Nakatsuji, Masayuki Hagiwara

    Journal of the Physical Society of Japan　80　(6)　064705-1-064705-5　2011/06

    DOI： 10.1143/JPSJ.80.064705 　

    ISSN： 0031-9015 1347-4073

  71. Novel Phase Transition Probed by Sound Velocity in Quasi-One-Dimensional Ising-Like Antiferromagnet BaCo2V2O8 Peer-reviewed

    Hironori Yamaguchi, Shadi Yasin, Sergei Zherlitsyn, Kumiko Omura, Shojiro Kimuray, Shunsuke Yoshii, Kouichi Okunishi, Zhangzhen He, Tomoyasu Taniyama, Mitsuru Itoh, Masayuki Hagiwaraz

    JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN　80　(3)　033701　2011/03

    DOI： 10.1143/JPSJ.80.033701 　

    ISSN： 0031-9015

  72. New high magnetic field phase of the frustrated S=1/2 chain compound LiCuVO4 Peer-reviewed

    E. Svistov, T. Fujita, H. Yamaguchi, S. Kimura, K. Omura, A. Prokofiev, A. I. Smirnov, Z. Honda, M. Hagiwara

    JETP Lett.　93　24　2011/01

    DOI： 10.1134/S0021364011010073 　

  73. Possibility of the field-induced spin-nematic phase in LiCuVO4 Peer-reviewed

    M. Hagiwara, L. E. Svistov, T. Fujita, H. Yamaguchi, S. Kimura, K. Omura, A. Prokofiev, A. I. Smirnov, Z. Honda

    INTERNATIONAL CONFERENCE ON FRUSTRATION IN CONDENSED MATTER (ICFCM)　320　012049-1-012049-5　2011

    DOI： 10.1088/1742-6596/320/1/012049 　

    ISSN： 1742-6588

  74. Multi-frequency ESR in the S=5/2 triangular-lattice antiferromagnet CuFe(1-x)Ga(x)O(2) Peer-reviewed

    Takahito Fujita, Shojiro Kimura, Hironori Yamaguchi, Takanori Kida, Masayuki Hagiwara

    INTERNATIONAL CONFERENCE ON FRUSTRATION IN CONDENSED MATTER (ICFCM)　320　012089-1-012089-5　2011

    DOI： 10.1088/1742-6596/320/1/012089 　

    ISSN： 1742-6588

  75. Phase transition of a triangular lattice Ising antiferromagnet FeI2 Peer-reviewed

    K. Katsumata, H. Aruga Katori, S. Kimura, Y. Narumi, M. Hagiwara, K. Kindo

    PHYSICAL REVIEW B　82　(10)　104402　2010/09

    DOI： 10.1103/PhysRevB.82.104402 　

    ISSN： 1098-0121

  76. High-Field ESR and Magnetization of the Triangular Lattice Antiferromagnet NiGa2S4 Peer-reviewed

    Hironori Yamaguchi, Shojiro Kimura, Masayuki Hagiwara, Yusuke Nambu, Satoru Nakatsuji, Yoshiteru Maeno, Akira Matsuo, Koichi Kindo

    JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN　79　(5)　054710　2010/05

    DOI： 10.1143/JPSJ.79.054710 　

    ISSN： 0031-9015

  77. Co-59 NMR at Pulsed High Magnetic Fields Peer-reviewed

    Guo-Qing Zheng, K. Katayama, M. Kandatsu, N. Nishihagi, S. Kimura, M. Hagiwara, K. Kindo

    JOURNAL OF LOW TEMPERATURE PHYSICS　159　(1-2)　280-283　2010/04

    DOI： 10.1007/s10909-009-0130-6 　

    ISSN： 0022-2291

  78. High-Field and Multi-Frequency ESR in the Quasi Two-Dimensional Triangular-Lattice Antiferromagnet CuCrO2 Peer-reviewed

    H. Yamaguchi, S. Otomo, S. Kimura, M. Hagiwara, K. Kimura, T. Kimura, K. Kindo

    JOURNAL OF LOW TEMPERATURE PHYSICS　159　(1-2)　130-133　2010/04

    DOI： 10.1007/s10909-009-0083-9 　

    ISSN： 0022-2291

  79. High-Field/Multi-Frequency ESR Measurements on the Triangular Lattice Antiferromagnet CuFeO2 Peer-reviewed

    S. Kimura, N. Nishihagi, H. Yamaguchi, T. Kashiwagi, M. Hagiwara, N. Terada, K. Kindo

    JOURNAL OF LOW TEMPERATURE PHYSICS　159　(1-2)　80-83　2010/04

    DOI： 10.1007/s10909-009-0094-6 　

    ISSN： 0022-2291

  80. High Field Magnetism of Sr0.78Y0.22CoO3-delta Under High Pressure Peer-reviewed

    T. Matsunaga, T. Kida, S. Kimura, M. Hagiwara, S. Yoshida, I. Terasaki, K. Kindo

    JOURNAL OF LOW TEMPERATURE PHYSICS　159　(1-2)　7-10　2010/04

    DOI： 10.1007/s10909-009-0085-7 　

    ISSN： 0022-2291

  81. Field Induced Lattice Deformation in a Quasi-One-Dimensional Antiferromagnet BaCo2V2O8 Peer-reviewed

    Shojiro Kimura, Yasuo Narumi, Noriki Terada, Yoshikazu Tanaka, Masahiro Iwaki, Koichi Katsumata, Masayuki Hagiwara, Koichi Kindo, Zhangzhen He, Tomoyasu Taniyama, Mitsuru Itoh, Hidenori Toyokawa, Tetsuya Ishikawa, Hideo Kitamura

    JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN　79　(4)　043706　2010/04

    DOI： 10.1143/JPSJ.79.043706 　

    ISSN： 0031-9015

  82. Magnetic properties of Sr0.78Y0.22CoO3-d under high pressure Peer-reviewed

    T. Matsunaga, T. Kida, S. Kimura, M. Hagiwara, S. Yoshida, I. Terasaki

    J. Phys.: Conf. Ser.　200　12116　2010/02

  83. Spiral-plane flop probed by ESR in the multiferroic triangular-lattice antiferromagnet CuCrO2 Peer-reviewed

    H. Yamaguchi, S. Ohtomo, S. Kimura, M. Hagiwara, K. Kimura, T. Kimura, T. Okuda, K. Kindo

    PHYSICAL REVIEW B　81　(3)　033104　2010/01

    DOI： 10.1103/PhysRevB.81.033104 　

    ISSN： 1098-0121

  84. Electron Spin Resonance in a New Triangular-Lattice Mn Layered Oxide Peer-reviewed

    H. Yamaguchi, S. Kimura, M. Hagiwara, R. Ishii, S. Nakatsuji

    INTERNATIONAL CONFERENCE ON MAGNETISM (ICM 2009)　200　012331　2010

    DOI： 10.1088/1742-6596/200/1/012231 　

    ISSN： 1742-6588

  85. High frequency ESR measurements on the spin crossover complex [Mn-III(taa)] Peer-reviewed

    S. Kimura, M. Hagiwara, Y. Narumi, M. Nakano, K. Kindo

    INTERNATIONAL CONFERENCE ON MAGNETISM (ICM 2009)　200　022025　2010

    DOI： 10.1088/1742-6596/200/2/022025 　

    ISSN： 1742-6588

  86. Coexistance of spiral and commensurate structures in a triangular antiferromagnet KFe(MoO4)(2) Peer-reviewed

    A. I. Smirnov, L. E. Svistov, L. A. Prozorova, A. Zheludev, M. D. Lumsden, E. Ressouche, O. A. Petrenko, M. Hagiwara, S. Kimura, K. Nishikawa, K. Kindo, A. Ya Shapiro, L. N. Demianets

    INTERNATIONAL CONFERENCE ON MAGNETISM (ICM 2009)　200　032068　2010

    DOI： 10.1088/1742-6596/200/3/032068 　

    ISSN： 1742-6588

  87. Construction of a Novel Topological Frustrated System: A Frustrated Metal Cluster in a Helical Space Peer-reviewed

    Ryuta Ishikawa, Motohiro Nakano, Akira Fuyuhiro, Tetsuya Takeuchi, Shojiro Kimura, Takanari Kashiwagi, Masayuki Hagiwara, Koichi Kindo, Sumio Kaizaki, Satoshi Kawata

    CHEMISTRY-A EUROPEAN JOURNAL　16　(36)　11139-11144　2010

    DOI： 10.1002/chem.201000676 　

    ISSN： 0947-6539

  88. High-Field Magnetism of the Spin-Ladder Material Na2Fe2(C2O4)(3)(H2O)(2) Peer-reviewed

    Hironori Yamaguchi, Shojiro Kimura, Zentaro Honda, Kouichi Okunishi, Synge Todo, Koichi Kindo, Masayuki Hagiwara

    JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN　78　(12)　124701　2009/12

    DOI： 10.1143/JPSJ.78.124701 　

    ISSN： 0031-9015

  89. Spin-Echo NMR in Pulsed High Magnetic Fields up to 48 T Peer-reviewed

    Guo-qing Zheng, Kouta Katayama, Masahide Nishiyama, Shinji Kawasaki, Naoki Nishihagi, Shojiro Kimura, Masayuki Hagiwara, Koichi Kindo

    JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN　78　(9)　095001　2009/09

    DOI： 10.1143/JPSJ.78.095001 　

    ISSN： 0031-9015

  90. Tuning Ferroelectric Polarization Reversal by Electric and Magnetic Fields in CuCrO2 Peer-reviewed

    K. Kimura, H. Nakamura, S. Kimura, M. Hagiwara, T. Kimura

    PHYSICAL REVIEW LETTERS　103　(10)　107201　2009/09

    DOI： 10.1103/PhysRevLett.103.107201 　

    ISSN： 0031-9007

  91. High field magnetism of the quasi one-dimensional anisotropic antiferromagnet BaCo2V2O8 Peer-reviewed

    S. Kimura, T. Takeuchi, M Hagiwara, K Okunishi, K Kindo, Z He, T Taniyama, M Itoh

    J. Phys.: Conf. Ser.　150　042090　2009/03

    DOI： 10.1088/1742-6596/150/4/042090 　

  92. High-field multifrequency electron-spin-resonance study of the Haldane magnet Ni(C5H14N2)(2)N-3(PF6) Peer-reviewed

    T. Kashiwagi, M. Hagiwara, S. Kimura, Z. Honda, H. Miyazaki, I. Harada, K. Kindo

    PHYSICAL REVIEW B　79　(2)　024403　2009/01

    DOI： 10.1103/PhysRevB.79.024403 　

    ISSN： 1098-0121

  93. High-field electron spin resonance in the two-dimensional triangular-lattice antiferromagnet NiGa2S4 Peer-reviewed

    H. Yamaguchi, S. Kimura, M. Hagiwara, Y. Nambu, S. Nakatsuji, Y. Maeno, K. Kindo

    PHYSICAL REVIEW B　78　(18)　180404R　2008/11

    DOI： 10.1103/PhysRevB.78.180404 　

    ISSN： 1098-0121

  94. Field-induced spin-state transition in the perovskite cobalt oxide Sr1-xYxCoO3-d Peer-reviewed

    S. Kimura, Y. Maeda, T. Kashiwagi, H. Yamaguchi, M. Hagiwara, S. Yoshida, I. Terasaki, K. Kindo

    Phys. Rev. B　78　180403R　2008/11

    DOI： 10.1103/PhysRevB.78.180403 　

  95. Longitudinal SDW order in a quasi-1D Ising-like quantum antiferromagnet Peer-reviewed

    S. Kimura, M. Matsuda, T. Masuda, S. Hondo, K. Kaneko, N. Metoki, M. Hagiwara, T. Takeuchi, K. Okunishi, Z. He, K. Kindo, T. Taniyama, M. Itoh

    Phys. Rev. Lett.　101　207201　2008/11

    DOI： 10.1103/PhysRevLett.101.207201 　

  96. Triplet spin resonance of the Haldane magnet PbNi2V2O8 with interchain coupling Peer-reviewed

    A. I. Smirnov, V. N. Glazkov, T. Kashiwagi, S. Kimura, M. Hagiwara, K. Kindo, A. Ya. Shapiro, L. N. Demianets

    PHYSICAL REVIEW B　77　(10)　100401R　2008/03

    DOI： 10.1103/PhysRevB.77.100401 　

    ISSN： 1098-0121

  97. Novel ordering of an S=1/2 quasi-1D Ising-like antiferromagnet in magnetic field Peer-reviewed

    S. Kimura, T. Takeuchi, K. Okunishi, M. Hagiwara, Z. He, K. Kindo, T. Taniyama, M. Itoh

    PHYSICAL REVIEW LETTERS　100　(5)　057202　2008/02

    DOI： 10.1103/PhysRevLett.100.057202 　

    ISSN： 0031-9007

    eISSN： 1079-7114

  98. Novel spin excitations in the field-induced phase of the haldane magnet Ni(C5H14N2)(2)N-3(PF6) Peer-reviewed

    Takanari Kashiwagi, Masayuki Hagiwara, Shojiro Kimura, Zentaro Honda, Koichi Kindo

    JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN　76　(10)　103703　2007/10

    DOI： 10.1143/JPSJ.76.103703 　

    ISSN： 0031-9015

  99. Field-induced order-disorder transition in antiferromagnetic BaCo2V2O8 driven by a softening of spinon excitation Peer-reviewed

    S. Kimura, H. Yashiro, K. Okunishi, M. Hagiwara, Z. He, K. Kindo, T. Taniyama, M. Itoh

    PHYSICAL REVIEW LETTERS　99　(8)　087602　2007/08

    DOI： 10.1103/PhysRevLett.99.087602 　

    ISSN： 0031-9007

  100. Triangular lattice antiferromagnet RbFe(MoO4)(2) in high magnetic fields Peer-reviewed

    A. I. Smirnov, H. Yashiro, S. Kimura, M. Hagiwara, Y. Narumi, K. Kindo, A. Kikkawa, K. Katsumata, A. Ya. Shapiro, L. N. Demianets

    PHYSICAL REVIEW B　75　(13)　134412　2007/04

    DOI： 10.1103/PhysRevB.75.134412 　

    ISSN： 1098-0121

  101. High-field ESR measurements on the spin gap system TlCuCl3 Peer-reviewed

    S. Kimura, M. Hagiwara, H. Tanaka, A. K. Kolezhuk, K. Kindo

    JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS　310　(2)　1218-1220　2007/03

    DOI： 10.1016/j.jmmm.2006.10.345 　

    ISSN： 0304-8853

  102. Metal-semiconductor structural phase transitions and antiferromagnetic orderings in (Benzo-TTFVO)(2)center dot MX4 (M = Fe, Ga; X = Cl, Br) salts Peer-reviewed

    Takashi Hiraoka, Hideki Fujiwara, Toyonari Sugimoto, Hiroyuki Nakazumi, Satoru Noguchi, Akihiro Kuribayashi, Takekazu Ishida, Keiichi Yokogawa, Keizo Murata, Takehiko Mori, Hiroko Aruga-Katori, Shojiro Kimura, Masayuki Hagiwara

    JOURNAL OF MATERIALS CHEMISTRY　17　(17)　1664-1673　2007

    DOI： 10.1039/b612053a 　

    ISSN： 0959-9428

  103. High field ESR and magnetization in Na2Co2(C2O4)(3)(H2O)(2) Peer-reviewed

    Yoshiyuki Nakagawa, Takanari Kashiwagi, Hironori Yamaguchi, Shojiro Kimura, Zentaro Honda, Koji Yamada, Koichi Kindo, Masayuki Hagiwara

    JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN　75　(12)　124708　2006/12

    DOI： 10.1143/JPSJ.75.124708 　

    ISSN： 0031-9015

  104. High field magnetism of the quasi one-dimensional anisotropic antiferromagnet BaCo2V2O8 Peer-reviewed

    S Kimura, H Yashiro, M Hagiwara, K Okunishi, K Kindo, Z He, T Taniyama, M Itoh

    J. Phys.: Conf. Ser.　51　99　2006/12

    DOI： 10.1088/1742-6596/51/1/021 　

  105. Observation of higher-harmonic helical spin-resonance modes in the chromium spinel CdCr2O4 Peer-reviewed

    S. Kimura, M. Hagiwara, H. Ueda, Y. Narumi, K. Kindo, H. Yashiro, T. Kashiwagi, H. Takagi

    PHYSICAL REVIEW LETTERS　97　(25)　257202　2006/12

    DOI： 10.1103/PhysRevLett.97.257202 　

    ISSN： 0031-9007

  106. Magnetic properties of a Ni tetramer with a butterfly structure in high magnetic fields Peer-reviewed

    M. Hagiwara, Y. Narumi, A. Matsuo, H. Yashiro, S. Kimura, K. Kindo

    NEW JOURNAL OF PHYSICS　8　176　2006/09

    DOI： 10.1088/1367-2630/8/9/176 　

    ISSN： 1367-2630

  107. ESR measurements on one-dimensional quantum ferrimagnets A(3)Cu(3)(PO4)(4) with A = Sr and Ca in submillimeter-wave region Peer-reviewed

    Shojiro Kimura, Hirofumi Ishikawa, Yuji Inagaki, Makoto Yoshida, Susumu Okubo, Hitoshi Ohta, Hiroyuki Nojiri, Alexei A. Belik, Masaki Azuma, Mikio Takano

    JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN　75　(9)　094718　2006/09

    DOI： 10.1143/JPSJ.75.094718 　

    ISSN： 0031-9015

  108. High-field magnetization of RMn6Sn6 compounds with R = Gd, Tb, Dy and Ho Peer-reviewed

    S Kimura, A Matsuo, S Yoshii, K Kindo, L Zhang, E Bruck, KHJ Buschow, FR de Boer, C Lefevre, G Venturini

    JOURNAL OF ALLOYS AND COMPOUNDS　408　169-172　2006/02

    DOI： 10.1016/j.jallcom.2005.04.087 　

    ISSN： 0925-8388

  109. Magnetization and high-frequency EMR measurements on the lithium-ion battery substance LiMn2O4 Peer-reviewed

    S Kimura, T Kaji, S Okubo, M Yoshida, Y Inagaki, T Asano, H Ohta, T Kunimoto, R Dziembaj, M Molenda, C Rudowicz

    JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS　44　(10)　7440-7444　2005/10

    DOI： 10.1143/JJAP.44.7440 　

    ISSN： 0021-4922

  110. Magnetic behavior of a spin-1 dimer: model system for homodinuclear nickel(II) complexes Peer-reviewed

    J Strecka, A Jascur, A Hagiwara, Y Narumi, J Kuchar, S Kimura, K Kindo

    JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS　66　(10)　1828-1837　2005/10

    DOI： 10.1016/j.jpcs.2005.09.089 　

    ISSN： 0022-3697

  111. Field-induced spin-crossover transition of [Mn-III(taa)] studied under pulsed magnetic fields Peer-reviewed

    S Kimura, Y Narumi, K Kindo, M Nakano, G Matsubayashi

    PHYSICAL REVIEW B　72　(6)　064448　2005/08

    DOI： 10.1103/PhysRevB.72.064448 　

    ISSN： 2469-9950

    eISSN： 2469-9969

  112. Magnetostriction of the spin gap sysytem KCuCl3 in high magnetic field Peer-reviewed

    Y. Sawai, S. Kimura, T. Takeuchi, K. Kindo, H. Tanaka

    Prog. Theor. Phys　Suppl. 15　208　2005/08

    DOI： 10.1143/PTPS.159.208 　

  113. High field magnetization and high frequency ESR of the quasi one-dimensional Ising-like antiferromagnet CsCoCl3 in transverse field Peer-reviewed

    S. Kimura, Y. Narumi, K. Kindo, H. Kikuchi, Y. Ajiro

    Prog. Theor. Phys　Suppl. 15　153　2005/08

    DOI： 10.1143/PTPS.159.153 　

  114. The giant magneto-volume effect in solid oxygen Peer-reviewed

    K Katsumata, S Kimura, U Staub, Y Narumi, Y Tanaka, S Shimomura, T Nakamura, SW Lovesey, T Ishikawa, H Kitamura

    JOURNAL OF PHYSICS-CONDENSED MATTER　17　(23)　L235-L239　2005/06

    DOI： 10.1088/0953-8984/17/23/L03 　

    ISSN： 0953-8984

  115. Synchrotron X-ray diffraction studies of the incommensurate phase of a spin-Peierls system CuGeO3 in strong magnetic fields Peer-reviewed

    Y. Narumi, K. Katsumata, Y. Tabata, S. Kimura, Y. Tanaka, T. Nakamura, S. Shimomura, M. Matsuda, I. Harada, Y. Nishiyama, T. Ishikawa, H. Kitamura, T. Hara, T. Tanaka, K. Tamasaku, M. Yabashi, S. Goto, H. Ohashi, K. Kakeshita, T. Ohata, T. Matsushita, T. Bizen

    J. Phys. Soc. Jpn.　346-347　11　2004/10

    DOI： 10.1143/JPSJ.73.2650 　

  116. ESR study of spin-crossover complex [Mn-III(taa)] using pulsed high magnetic field Peer-reviewed

    S Kimura, T Otani, Y Narumi, K Kindo, M Nakano, G Matsubayashi

    JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS　272　1102-1103　2004/05

    DOI： 10.1016/j.jmmm.2003.12.1334 　

    ISSN： 0304-8853

  117. ESR study of the spin gap system KCuCl3 using high frequency and high magnetic field Peer-reviewed

    S. Kimura, K. Kindo, H. Tanaka

    Physica B: Condensed Matter　346-347　(1-4)　15-18　2004/04/30

    DOI： 10.1016/j.physb.2004.01.012 　

    ISSN： 0921-4526

  118. Synchrotron X-ray diffraction studies on magnetic materials in high magnetic field Peer-reviewed

    Y. Narumi, K. Katsumata, Y. Tanaka, T. Nakamura, S. Shimomura, Y. Tabata, S. Kimura, M. Matsuda

    Physica B　73　2650　2004/04

    DOI： 10.1016/j.physb.2004.01.011 　

  119. Exchange interaction via crystal-field excited states and its importance in CsCoCl3 Peer-reviewed

    H Shiba, Y Ueda, K Okunishi, S Kimura, K Kindo

    JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN　72　(9)　2326-2333　2003/09

    DOI： 10.1143/JPSJ.72.2326 　

    ISSN： 0031-9015

  120. High field ESR and magnetization measurements on a spin crossover complex Peer-reviewed

    S. Kimura, T. Otani, Y. Narumi, K. Kindo, M. Nakano, G. Matsubayashi

    J. Phys. Soc. Jpn.　72 Suppl. B　122　2003/06

    DOI： 10.1143/JPSJ.72.122 　

  121. High field/high frequency ESR in Osaka University Peer-reviewed

    S. Kimura, Y. Narumi, K. Kindo, M. Hagiwara, K. Kikuchi, Y. Ajiro

    J. Phys. Soc. Jpn.　72 Suppl. B　99　2003/06

  122. The role of ESR in research of low-dimensional antiferromagnets Peer-reviewed

    M. Motokawa, H. Ohta, H. Nojiri, S. Kimura

    J. Phys. Soc. Jpn.　72 Suppl. B　1　2003/06

    DOI： 10.1143/JPSJ.72.1 　

  123. Electron spin resonance in triangular antiferromagnets Peer-reviewed

    H. Tanaka, T. Ono, S. Maruyama, S. Teraoka, K. Nagata, H. Ohta, S. Okubo, S. Kimura, T. Kambe, H. Nojiri, M. Motokawa

    J. Phys. Soc. Jpn.　72 Suppl. B　84　2003/06

  124. High frequency ESR measurement on molecular oxygen using pulsed high magnetic field Peer-reviewed

    S Kimura, K Kindo

    PHYSICA B-CONDENSED MATTER　329　1168-1169　2003/05

    DOI： 10.1016/S0921-4526(02)02088-4 　

    ISSN： 0921-4526

  125. High field ESR measurements on molecular oxygen Peer-reviewed

    S. Kimura, K. Kindo

    EPR in the 21th Century　799　2002/04

  126. High-field magnetization measurements on single crystals of (VO)(2)P2O7 Peer-reviewed

    Y Narumi, S Kimura, S Hirai, K Kindo, H Schwenk, S Schmidt, B Wolf, B Luthi, T Saito, M Azuma, M Takano

    PHYSICA B　294　71-74　2001/01

    DOI： 10.1016/S0921-4526(00)00611-6 　

    ISSN： 0921-4526

  127. High field ESR measurements of an S=1 antiferromagnetic dimer compound Peer-reviewed

    S. Kimura, S. Hirai, Y. Narumi, K. Kindo, M. Hagiwara

    Physica B　294-295　47　2001/01

    DOI： 10.1016/S0921-4526(00)00605-0 　

  128. High field ESR measurements of SrCu2(BO3) 2 Peer-reviewed

    S. Kimura, S. Hirai, Y. Narumi, K. Kindo, H. Nojiri, H. Kageyama, K. Onizuka, Y. Ueda

    Physica B　294-295　68　2001/01

    DOI： 10.1016/S0921-4526(00)00610-4 　

  129. High field ESR measurements on CsCoCl3 Peer-reviewed

    S. Kimura, S. Hirai, K. Kindo, H. Kikuchi, Y. Ajiro

    Physica B　294-295　60　2001/01

    DOI： 10.1016/S0921-4526(00)00608-6 　

  130. Submillimeter-wave ESR measurements of low-dimensional quantum spin systems Peer-reviewed

    H. Ohta, S. Okubo, S. Kimura, T. Sakurai, S. Takeda, T. Tanaka, H. Kikuchi, H. Nagasawa

    Appl. Magn. Reson.　18　469　2000/04

  131. Metamagnetic transitions of Lu2Cu2O5 studied by submillimeter wave ESR measurement Peer-reviewed

    T. Goto, S. Kimura, S. Okubo, H. Ohta, M. Motokawa

    Appl. Magn. Reson.　18　463　2000/04

  132. High field phase transitions of quasi one-dimensional S=1/2 Heisenberg antiferromagnet Cu2(1,4-diazaycloheptane) 2Cl4 observed by submillimeter wave ESR Peer-reviewed

    H. Ohta, T. Tanaka, S. Okubo, S. Kimura, H. Kikuchi, H. Nagasawa

    J. Phys. Soc. Jpn.　65　732　1999/03

    DOI： 10.1143/JPSJ.68.732 　

  133. Antiferromagntic resonance measurements of MgCu2O3 in the submillimeter wave region Peer-reviewed

    H. Ohta, M. Hayashi, N. Arai, H. Nojiri, M. Motokawa, N. Kitamura, S. Kimura

    phys. stat. sol. (b)　211　781　1999/02

    DOI： 10.1002/(SICI)1521-3951(199902)211:2<781::AID-PSSB781>3.0.CO;2-E 　

  134. S=1/2 degrees of freedom in Haldane system Y2BaNiO5 observed by submillimeter wave ESR Peer-reviewed

    S. Kimura, H. Ohta, M. Motokawa, T. Yokoo, J. Akimitsu

    J. Phys. Soc. Jpn.　67　2514　1998/07

    DOI： 10.1143/JPSJ.67.2514 　

  135. High field AFMR measurement of Bi2CuO4 Peer-reviewed

    H. Ohta, Y. Ikeuchi, S. Kimura, H. Nojiri, M. Motokawa, S. Hosoya, K. Yamada, Y. Endoh

    Physica B　246-247　557　1998/05

    DOI： 10.1016/S0921-4526(97)00986-1 　

  136. Fermi surface study of alpha-(BEDT-TTF)(2)MHg(SCN)(4) by cyclotron resonance measurement Peer-reviewed

    K Akioka, H Ohta, S Kimura, S Okubo, K Kanoda, M Motokawa

    PHYSICA B　246　311-314　1998/05

    DOI： 10.1016/S0921-4526(97)90923-6 　

    ISSN： 0921-4526

  137. Submillimeter wave ESR of an S=1 bond alternating chain Ni-2(mu-C2O4)(mu-N-3)(dpt)(2)(PF6) Peer-reviewed

    S Kimura, S Hayashi, H Ohta, H Kikuchi, H Nagasawa, N Nojiri, M Motokawa

    PHYSICA B　246　565-568　1998/05

    DOI： 10.1016/S0921-4526(97)00988-5 　

    ISSN： 0921-4526

  138. Millimeter and submillimeter wave ESR system: using 30T pulsed magnetic field Peer-reviewed

    N. Nakagawa, T. Yamada, K. Akioka, S. Okubo, S. Kimura, H. Ohta

    Int. J. Infrared MMW.　19　167　1998/02

    DOI： 10.1023/A:1022511405901 　

  139. Submillimeter wave ESR of an S=1 antiferromagnetic Heisenberg chain system with bond alternation Peer-reviewed

    S. Hayashi, S. Kimura, H. Ohta, H. Kikuchi, H. Nagasawa, N. Nojiri, M. Motokawa

    J. Magn. Magn. Mater.　177-181　667　1998/01

    DOI： 10.1016/S0304-8853(97)00410-1 　

  140. ESR study of Haldane system Y2BaNiO5 in submillimeter wave region Peer-reviewed

    S. Kimura, H. Ohta, M. Motokawa, T. Yokoo, J. Akimitsu

    J. Magn. Magn. Mater.　177-181　624　1998/01

    DOI： 10.1016/S0304-8853(97)00909-8 　

  141. ESR study of Mott-Hubbard insulators YTiO3 and LaTiO3 in submillimeter wave region Peer-reviewed

    S. Okubo, S. Kimura, H. Ohta, M. Itoh

    Journal of Magnetism and Magnetic Materials　177-181　(2)　1373-1374　1998

    Publisher: Elsevier

    DOI： 10.1016/S0304-8853(97)00956-6 　

    ISSN： 0304-8853

  142. Submillimeter wave ESR measurements of CsMnBr3 Peer-reviewed

    S. Kimura, H. Ohta, M. Motokawa, T. Kambe, K. Nagata, H. Tanaka

    J. Phys. Soc. Jpn.　66　4017　1997/12

    DOI： 10.1143/JPSJ.66.4017 　

  143. Submillimeter wave AFMR of Mott insulator k-(BEDT-TTF)2Cu[N(CN)2]Cl Peer-reviewed

    H. Ohta, S. Kimura, Y. Yamamoto, J. Azuma, K. Akioka, M. Motokawa, K. Kanoda

    Synth. Met.　86　2079　1997/02

    DOI： 10.1016/S0379-6779(97)81036-3 　

  144. Magnetic phase diagram and antiferromagnetic resonance in CuGe1-ySiyO3 Peer-reviewed

    H. Nojiri, T. Hamamoto, Z. J. Wang, S. Mitsudo, M. Motokawa, S. Kimura, H. Ohta, A. Ogiwara, O. Fujita, J. Akimitsu

    J. Phys.: Condens. Matter　9　1331　1997/02

    DOI： 10.1088/0953-8984/9/6/016 　

  145. Submillimetre-wave electron spin-resonance measurements for single-crystal Y2Cu2O5 Peer-reviewed

    S. Kimura, H. Ohta, S. Mitsudo, M. Motokawa, W. J. Jang, M. Hasegawa, H. Takei

    J. Phys.: Condens. Matter　8　5461　1996/07

    DOI： 10.1088/0953-8984/8/29/019 　

  146. Effects of diagonal exchange interaction on the ESR modes of ABX3-type triangular antiferromagnets Peer-reviewed

    T. Kambe, H. Tanaka, S. Kimura, H. Ohta, M. Motokawa, K. Nagata

    J. Phys. Soc. Jpn.　65　1799　1996/06

    DOI： 10.1143/JPSJ.65.1799 　

  147. Submillimeter wave ESR measurements of metamagnetic Y2Cu2O5 Peer-reviewed

    S. Kimura, H. Ohta, S. Mitsudo, M. Motokawa, W. J. Jang, M. Hasegawa, H. Takei

    Int. J. Infrared MMW.　17　833　1996/05

    DOI： 10.1007/BF02101391 　

  148. ESR measurements of R(2)Cu(2)O(5) (R=Y, Lu, In) in submillimeter wave region Peer-reviewed

    S Kimura, H Ohta, M Motokawa

    JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN　65　(1)　297-303　1996/01

    DOI： 10.1143/JPSJ.65.297 　

    ISSN： 0031-9015

  149. Far infrared transmission measurements of R2Cu2O5 (R=Y, Lu, Sc, In) Peer-reviewed

    H. Ohta, K. Kurooka, T. Nanba, S. Kimura, M. Motakawa

    J. Phys. Soc. Jpn.　63　4065　1995/11

  150. Antiferromagnetic order observed by submillimeter wave ESR in Y2BaCuO5 Peer-reviewed

    H. Ohta, S. Kimura, M. Motakawa

    J. Phys. Soc. Jpn.　64　3934　1995/10

    DOI： 10.1143/JPSJ.64.3934 　

  151. Magnetic resonance in CsNiBr3 Peer-reviewed

    T. Kambe, H. Tanaka, S. Kimura, H. Ohta, M. Motokawa, K. Nagata

    J. Magn. Magn. Mater.　140-144　1967　1995/02

    DOI： 10.1016/0304-8853(94)01224-5 　

  152. Magnetization measurements of R2Cu2O5 (R=Y, Lu, Sc, In) Peer-reviewed

    H. Ushiroyama, K. Kita, S. Kimura, H. Ohta, M. Motokawa

    Physica B　201　95　1994/07

  153. High field ESR of R2Cu2O5 (R=Y, Lu, Sc, In) Peer-reviewed

    S. Kimura, K. Kaneko, H. Ohta, M. Motokawa

    Physica B　201　115　1994/07

Show all ︎Show first 5

Misc. 49

  1. Chirality-Dependent Magnetoelectric Responses in a Magnetic-Field-Induced Ferroelectric Phase of Pb(TiO)Cu-4(PO4)(4)

    Kenta Kimura, Tsukasa Katsuyoshi, Atsushi Miyake, Masashi Tokunaga, Shojiro Kimura, Tsuyoshi Kimura

    ADVANCED ELECTRONIC MATERIALS　8　(6)　2022/06

    DOI： 10.1002/aelm.202200167 　

    ISSN： 2199-160X

  2. Spin excitations of the spin-1/2 quasi-one-dimensional Ising-like antiferromagnet BaCo2V2O8 in transverse magnetic fields

    萩原政幸, 奥谷顕, 大西弘明, 木村尚次郎, 竹内徹也, 木田孝則, 森道康, 三宅厚志, 徳永将史, 金道浩一

    日本物理学会講演概要集(CD-ROM)　76　(1)　2021

    ISSN： 2189-079X

  3. Electron spin resonance in CuFeO2 under external pressure

    赤木暢, 櫻井敬博, 安谷佳将, 竹原良祐, 木田孝則, 森川悦司, 鳴海康雄, 萩原政幸, 金道浩一, 木村尚次郎, 大久保晋, 太田仁

    日本物理学会講演概要集(CD-ROM)　75　(2)　2020

    ISSN： 2189-079X

  4. Bi‐richなBi‐2212単結晶の輸送特性(III)

    渡辺孝夫, 川村圭輔, 山口隼平, 佐々木菜絵, 藤井武則, 木村尚次郎, 谷口晴香, 中西良樹, 吉澤正人, 三宅厚志, 金道浩一, 巴山顕, 掛谷一弘

    日本物理学会講演概要集(CD-ROM)　74　(1)　ROMBUNNO.15aS303‐2　2019/03/22

    ISSN： 2189-079X

  5. トポロジカル絶縁体積層構造Fex(Bi1-ySby)2-xSe3/Bi2Se3の磁場誘起量子異常ホール効果

    佐竹遥介, 塩貝純一, 木村尚次郎, 淡路智, 藤原宏平, 野島勉, 相馬清吾, 佐藤宇史, 塚崎敦

    日本物理学会講演概要集(CD-ROM)　74　(1)　2019

    ISSN： 2189-079X

  6. 25T無冷媒型超伝導磁石を用いた直交ダイマー系SrCu2(BO3)2の高圧下ESR

    櫻井敬博, 奥藤涼介, 木村尚次郎, 木俣基, 野尻浩之, 太田仁, 大久保晋, 上床美也, 工藤一貴, 小池洋二

    日本物理学会講演概要集(CD-ROM)　74　(1)　2019

    ISSN： 2189-079X

  7. FeSe超伝導電気二重層トランジスタの異方的臨界磁場とその膜厚依存性

    野島勉, 塩貝純一, 木村尚次郎, 淡路智, 塚崎敦

    日本物理学会講演概要集(CD-ROM)　73　(2)　2018

    ISSN： 2189-079X

  8. Optical magnetoelectric effect in Pb(TiO)Cu4(PO4)4 from its magnetic quadrupolar spin arrangement

    Katsuyoshi T., Kimura K., Sawada Y., Kimura S., Kimura T.

    Meeting Abstracts of the Physical Society of Japan　73　(0)　1402-1402　2018

    Publisher: The Physical Society of Japan

    DOI： 10.11316/jpsgaiyo.73.2.0_1402 　

  9. 巨大磁気熱量効果を示すFe基化合物の遍歴電子メタ磁性転移の温度依存性

    藤枝俊, 木村尚次郎, 高橋弘紀, 三井好古, 小山佳一, 深道和明, 鈴木茂

    東北大学金属材料研究所強磁場超伝導材料研究センター年次報告　2017　2018

  10. Transport properties of half-metallic Heusler alloy Co2Fe0.4Mn0.6Si/superconductor NbN thin films under high magnetic fields

    Shigeta Iduru, Kubota Takahide, Kimura Shojiro, Awaji Satoshi, Takanashi Koki, Hiroi Masahiko

    Meeting Abstracts of the Physical Society of Japan　73　(0)　1136-1136　2018

    Publisher: 一般社団法人 日本物理学会

  11. Electric spin dipole resonance in the spin gap system KCuCl3

    木村尚次郎, 松本正茂, 赤木暢, 萩原政幸, 金道浩一, 田中秀数

    電子スピンサイエンス学会年会講演要旨集　56th　46‐47　2017/11/02

  12. 立方晶KSbO3型構造を持つLa3Ir3O11の物性測定

    青山拓也, 木村尚次郎, 大串研也

    日本物理学会講演概要集(CD-ROM)　72　(2)　2017

    ISSN： 2189-079X

  13. Origin of positive c-axis magnetoconductivity of overdoped Bi-2212

    Teramoto Y, Usui T, Kakeya I, Kondo A, Adachi S, Kindo K, Kimura S, Watanabe T

    Meeting Abstracts of the Physical Society of Japan　72　(0)　2380-2380　2017

    Publisher: The Physical Society of Japan

    More details Close

    &lt;p&gt;銅酸化物高温超伝導体の面間抵抗率に見られるT_c_近くのupturnの原因を調べる為、CuサイトをFe置換したBi-2212の単結晶で置換率が0%から2%ずつ増やして6%まで作製した試料の面間抵抗率を磁場中測定した。その結果、いずれの試料においても磁気伝導度は磁場の2乗に比例する成分とそうでない成分から成り立っていることを発見した。これは面間抵抗率のupturnが擬ギャップと超伝導ギャップの足し合わせによって引き起こされていることを示している。&lt;/p&gt;

  14. Magnetotransport properties of trilayer cuprate superconductor Bi2Sr2Ca2Cu3O10+δ (Bi-2223)

    Adachi S., Sasaki N., Kosugi K., Watanabe T., Nishizaki T., Kimura S., Kondo A., Kohama Y., Kindo K.

    Meeting Abstracts of the Physical Society of Japan　72　(0)　2377-2377　2017

    Publisher: The Physical Society of Japan

    DOI： 10.11316/jpsgaiyo.72.1.0_2377 　

  15. テラヘルツ領域における圧力下ESR装置の開発とスピンギャップ系への応用

    平尾祐樹, 大木瑛登, 櫻井敬博, 太田仁, 大久保晋, 上床美也, 野尻浩之, 木村尚次郎, 田中秀数

    電子スピンサイエンス学会年会講演要旨集　55th　2016

  16. 16aPS-92 Optical Spectrum in the 1/2 Magnetization Plateau Phase of Frustrated Magnet CdCr2O4

    Sawada Y., Kimura S., Watanabe K., Ueda H.

    Meeting Abstracts of the Physical Society of Japan　70　(0)　766-766　2015

    Publisher: The Physical Society of Japan

    DOI： 10.11316/jpsgaiyo.70.2.0_766 　

    ISSN： 2189-079X

  17. 21aPS-109 High-field Optical Spectroscopy of the Chromium Spinel CdCr_2O_4 Using 31 T Hybrid Magnet

    Sawada Y., Kimura S., Watanabe K., Ueda H.

    Meeting Abstracts of the Physical Society of Japan　70　(0)　1037-1037　2015

    Publisher: The Physical Society of Japan

    DOI： 10.11316/jpsgaiyo.70.1.0_1037 　

    ISSN： 2189-079X

  18. FeRh1-xCoxの磁気相転移

    大武和樹, 小野寺礼尚, 三井好古, 高橋弘紀, 木村尚次郎, 渡辺和雄, 小山佳一

    東北大学金属材料研究所強磁場超伝導材料研究センター年次報告　2014　2015

  19. 27aPS-94 High field magnetization process of the chromium spinel oxides

    Kimura S., Takeuchi T., Hagiwara M., Narumi Y., Kindo K., Ueda H.

    Meeting abstracts of the Physical Society of Japan　69　(1)　497-497　2014/03/05

    Publisher: The Physical Society of Japan (JPS)

    ISSN： 1342-8349

  20. 27aAF-4 High-field Optical Spectroscopy of the Chromium Spinel CdCr_2O_4

    Sawada Y., Kimura S., Watanabe K., Ueda H.

    Meeting Abstracts of the Physical Society of Japan　69　(0)　469-469　2014

    Publisher: The Physical Society of Japan

    DOI： 10.11316/jpsgaiyo.69.1.3.0_469_4 　

    ISSN： 1342-8349

  21. FeRhの強磁場・高温中磁化測定

    大武和樹, 小野寺礼尚, 三井好古, 高橋弘紀, 木村尚次郎, 渡辺和雄, 小山佳一

    東北大学金属材料研究所強磁場超伝導材料研究センター年次報告　2013　2014

  22. Magneto-Transport Properties in the Heusler Compounds Ru2-xFexCrSi

    S. Nishiinoue, H. Suwa, I. Shigeta, M. Hiroi, K. Koyama, S. Kimura, K. Watanabe, M. Fujii

    JPS Conf. Proc.　3　017018-1-017018-6　2014

  23. High-field multi-frequency ESR measurements of the quasi-1D antiferromagnet BaCo_2V_2O_8 in a transverse field

    Okutani A., Kimura S., Hagiwara M.

    Meeting abstracts of the Physical Society of Japan　68　(2)　432-432　2013/08/26

    Publisher: The Physical Society of Japan (JPS)

    ISSN： 1342-8349

  24. 27pXW-1 High field ESR measurements of the triangular lattice anitiferromagnet CuFeO_2 using circularly-polarized light

    Kimura S., Watanabe K., Fujita T., Hagiwara M., Yamaguchi H., Kashiwagi T., Terada N.

    Meeting abstracts of the Physical Society of Japan　68　(1)　546-546　2013/03/26

    Publisher: The Physical Society of Japan (JPS)

    ISSN： 1342-8349

  25. High-field Raman spectroscopy of the chromium spinel CdCr_2O_4

    Sawada Y., Kimura S., Watanabe K., Ueda H.

    Meeting Abstracts of the Physical Society of Japan　68　(0)　392-392　2013

    Publisher: The Physical Society of Japan

    DOI： 10.11316/jpsgaiyo.68.2.3.0_392_3 　

    ISSN： 1342-8349

  26. FeRhの磁場誘起相転移に関する研究

    大武和樹, 小野寺礼尚, 三井好古, 高橋弘紀, 木村尚次郎, 渡辺和雄, 小山佳一

    東北大学金属材料研究所強磁場超伝導材料研究センター年次報告　2012　2013

  27. Elastic Properties of Quasi One Dimensional System BaCo_2V_2O_8 under High Magnetic Field

    Akatsu M, Omura K, Yamaguchi H, Kimura S, Hagiwara M, Hayasaka C, Mitsumoto K, Nemoto Y, Goto T, Yasin Shadi, Zherlitsyn Sergei, Wosnitza Joachim, Zeitler Uli

    Meeting Abstracts of the Physical Society of Japan　68　(0)　2013

    Publisher: The Physical Society of Japan

  28. 27aAF-7 Electromagnon excitation of the triangular lattice anitiferromagnet CuFeO_2 II

    Kimura S., Watanabe K., Fujita T., Hagiwara M., Yamaguchi H., Kashiwagi T., Terada N.

    Meeting abstracts of the Physical Society of Japan　67　(1)　536-536　2012/03/05

    Publisher: The Physical Society of Japan (JPS)

    ISSN： 1342-8349

  29. Elucidation of spin polarization characteristics of half-metallic materials by tunneling spectroscopy measurements under very low temperatures and strong magnetic fields

    107-109　2012

    Publisher: 東北大学金属材料研究所附属強磁場超伝導材料研究センター

  30. 22aGH-1 High-field magnetism II of the S=5/2 triangular antiferromagnet CuFe_<1-x>Ga_xO_2

    Fujita T, Kimura S, Yamaguchi H, Kida T, Hagiwara M

    Meeting abstracts of the Physical Society of Japan　66　(2-3)　2011/08/24

    Publisher: The Physical Society of Japan (JPS)

    ISSN： 1342-8349

  31. Large change in the exchange interactions of HgCr2O4 under very high magnetic fields (vol 83, 214401, 2011)

    Shojiro Kimura, Masayuki Hagiwara, Tetsuya Takeuchi, Hironori Yamaguchi, Hiroaki Ueda, Yataka Ueda, Koichi Kindo

    PHYSICAL REVIEW B　83　(21)　2011/06

    DOI： 10.1103/PhysRevB.83.219904 　

    ISSN： 1098-0121

  32. 25pPSA-51 High field magnetism of the quasi one dimensional antiferromagnet LiCu_2O_2

    Omura K, Yamaguchi H, Kida T, Kimura S, Hagiwara M, Svistov L. E

    Meeting abstracts of the Physical Society of Japan　65　(2)　2010/08/18

    Publisher: The Physical Society of Japan (JPS)

    ISSN： 1342-8349

  33. 25pPSA-64 High-field magnetism of the S=5/2 triangle antiferromagnet CuFe_<1-x>Ga_xO_2

    Fujita T, Yamaguchi H, Kimura S, Kida T, Kotetsu T, Omura K, Hagiwara M

    Meeting abstracts of the Physical Society of Japan　65　(2)　2010/08/18

    Publisher: The Physical Society of Japan (JPS)

    ISSN： 1342-8349

  34. 22pGC-7 High-field x-ray diffraction of BaVS_3

    Narumi Y, Kindo K, Terada N, Tanaka Y, Kimura S, Katsumata K, Toyokawa H, Nakamura H, Ishikawa T, Kitamura H

    Meeting Abstracts of the Physical Society of Japan　65　(0)　2010

    Publisher: The Physical Society of Japan

  35. 26aPS-68 High field magnetization of Sr_<0.78>Y_<0.22>CoO_<3-δ> under high pressure II

    Matsunaga T, Kida T, Kimura S, Hagiwara M, Yoshida S, Terasaki I, Kindo K

    Meeting abstracts of the Physical Society of Japan　64　(2)　2009/08/18

    Publisher: The Physical Society of Japan (JPS)

    ISSN： 1342-8349

  36. 幾何学的フラストレーション系磁性体の強磁場物性

    八代 晴彦, 山口 博則, 萩原 政幸, 吉居 俊輔, 木村 尚次郎, キムラ ショウジロウ, ヨシイ シュンスケ, ヤマグチ ヒロノリ, ヤシロ ハルヒコ, ハギワラ マサユキ

    大阪大学低温センターだより　144　6-13　2008/10

    Publisher: 大阪大学低温センター

    ISSN： 0387-4419

  37. 21aQH-5 Magnetic excitation of S=1/2 antiferromagnetic XXZ model compound BaCo_2V_2O_8 in zero magnetic field

    Hondo S., Masuda T., Matsuura N., Okunishi K., Kimura S., Hagiwara M., Matsuda M., Kaneko K., Metoki N.

    Meeting abstracts of the Physical Society of Japan　63　(2)　376-376　2008/08/25

    Publisher: The Physical Society of Japan (JPS)

    ISSN： 1342-8349

  38. 22aQH-4 High field and multi-frequency ESR in CuCrO_2

    Otomo S., Yamaguchi H., Kimura S., Hagiwara M., Kimura K., Kimura T.

    Meeting abstracts of the Physical Society of Japan　63　(2)　419-419　2008/08/25

    Publisher: The Physical Society of Japan (JPS)

    ISSN： 1342-8349

  39. 23aQF-5 Magnetic Property of Sr_<0.78>Y_<0.22>CoO_<3-δ> under High Pressure

    Matsunaga T, Kida T, Kimura S, Hagiwara M, Yoshida S, Terasaki I, Kindo K

    Meeting abstracts of the Physical Society of Japan　63　(2)　2008/08/25

    Publisher: The Physical Society of Japan (JPS)

    ISSN： 1342-8349

  40. ６０テスラパルスマグネットを用いた強磁場ESR装置による低次元磁性体BaCo2V2O8の研究

    木村尚次郎, 萩原政幸

    電子スピンサイエンス　6　(10)　12-17　2008/03/20

  41. 25pWL-3 Observation of a fieId-induced incommensurate phase in the quasi one-dimensional Ising-like antiferromagnet BaCo_2V_2O_8

    Kimura S., Matsuda M., Masuda T., Hondo S., Kaneko K., Metoki N., Hagiwara M., Okunishi K., Suzuki T., He Z., Taniyama T., Itoh M.

    Meeting abstracts of the Physical Society of Japan　63　(1)　497-497　2008/02/29

    Publisher: The Physical Society of Japan (JPS)

    ISSN： 1342-8349

  42. 21pPSB-37 High field magnetism of the two-dimensional triangular lattice magnet NiGa_2S_4

    Yamaguchi H., Kimura S., Hagiwara M., Nambu Y., Nakatsuji S., Maeno Y., Kindo K.

    Meeting Abstracts of the Physical Society of Japan　63　(0)　411-411　2008

    Publisher: The Physical Society of Japan

    DOI： 10.11316/jpsgaiyo.63.2.3.0_411_2 　

  43. 23pWD-3 High field and multi-frequency ESR in the two-dimensional triangular lattice magnet NiGa_2S_4

    Yamaguchi H., Kimura S., Hagiwara M., Nambu Y., Nakatsuji S., Maeno Y., Kindo K.

    Meeting abstracts of the Physical Society of Japan　62　(2)　498-498　2007/08/21

    Publisher: The Physical Society of Japan (JPS)

    ISSN： 1342-8349

  44. 26pXN-6 Multi-frequency ESR and High-field magnetization of the quasi-2D triangular antiferromagnet RbFe(MoO_4)_2 II

    Yashiro H., Kimura S., Narumi Y., Hagiwara M., Kindo K., Smirnov A.I., Shapiro A.Y., Demianets L.N.

    Meeting abstracts of the Physical Society of Japan　60　(1)　467-467　2005/03/04

    Publisher: The Physical Society of Japan (JPS)

    ISSN： 1342-8349

  45. Spin density wave and charge density wave in the Kondo-lattice compound Ce(Ru1-xRhx)2Si2

    Y. Tabata, T. Taniguchi, S. Kawarazaki, Y. Narumi, S. Kimura, Y. Tanaka, K. Katsumata, T. Ishikawa, U. Staub, M. Kohgi, K. Iwasae

    Physica B　359　260-262　2005

    DOI： 10.1016/j.physb.2005.01.061 　

  46. 酸素分子の強磁場ESR

    木村尚次郎, 金道浩一

    電子スピンサイエンス　2　(2)　10-16　2004/04/30

  47. NMR Study on the Quantum Spin Ladder NH_4_CuCl_3_

    H. Tanaka, T. Ono, S. Maruyama, S. Teraoka, K. Nagata, H. Ohta, S. Okubo, S. Kimura, T. Kambe, H. Nojiri, M. Motokawa

    Physica B　329-333　977-978　2003

    DOI： 10.1016/S0921-4526(02)02042-2 　

  48. High field ESR system and ITS application to the study of quantum spin systems

    H.Ohta, S.Okubo, S.Kimura, T.Tanaka, H.Kikuchi, H.Nagawasa

    International journal of Infrared and Millimeter Waves 22 387-391　2001

  49. Submillimeter Wave ESR and Magnetization Mesurement of S=1 Bond Alternated Antiferromagnetic Chain System Ni_2(μ-C_2O_4)(μ-N_3)(dpt)_2(PF_6)

    Hayashi S., Kimura S., Arai N., Ohta H., Nojiri H., Motokawa M., Kikuchi H., Nagasawa H.

    Abstracts of the meeting of the Physical Society of Japan. Sectional meeting　1996　(3)　66-66　1996/09/13

    Publisher: The Physical Society of Japan (JPS)

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Books and Other Publications 1

  1. SPINELS: Occurrences, Physical Properties and Applications

    S. Kimura, M. Hagiwara

    NOVA publishers, New York　2013

Presentations 31

  1. Electric dipole spin resonance in the spin gap system KCuCl3 International-presentation

    S. KImura, M. Akaki, M. Hagiwara, M. Matsumoto, K. Kindo, H. Tanaka

    28th International Conference on Low Temperature Physics　2018/08

  2. 量子スピンダイマー系の電気磁気効果

    木村尚次郎

    日本物理学会第73回年次大会　2018/03

  3. 結合ダイマー系TlCuCl3のマグノンBEC相における方向二色性

    木村尚次郎, 松本正茂, 田中秀数

    日本物理学会2017年秋季大会　2017/09

  4. 結合ダイマー系KCuCl3の電場励起ESR

    日本物理学会第72回年次大会　2017/03/17

  5. High field ESR measurements of the quantum spin system in polarized electromagnetic wave

    東京大学物性研究所短期研究会「強磁場コラボラトリー、国際協力と強磁場科学の将来」　2016/06/23

  6. 結合ダイマー系NH4CuCl3の磁場中誘電率測定

    木村尚次郎, 渡辺和雄, 萩原政幸, 田中秀数

    日本物理学会第70回年次大会　2016/03/19

  7. 量子スピンギャップ系の電気磁気効果

    木村尚次郎, 柿畑研人, 澤田祐也, 渡辺和雄, 萩原政幸, 田中秀数

    東大物性研短期研究会「スピン系物理の深化と最前線」　2015/11/16

  8. クロムスピネル酸化物CdCr2O4の強磁場磁化過程

    木村尚次郎, 澤田祐也, 鳴海康雄, 渡辺和雄, 萩原政幸, 金道浩一, 植田浩明

    日本物理学会2015年秋期大会　2015/09/16

  9. Selection rule of the direct transition in the spin gap system studied by high field ESR measurements International-presentation

    Shojiro Kimura, Kazuo Watanabe, Masayuki Hagiwara, Hidekazu Tanaka

    International conference on magnetism 2015　2015/07/05

  10. Field-induced ferroelectricity in the spin gap system International-presentation

    Shojiro Kimura, Kento Kakihata, Yuya Sawada, Kazuo Watanabe, Masayuki Hagiwara, Hidekazu Tanaka

    RHMF2015　2015/07/01

  11. スピンギャップ系の電気磁気効果

    大阪大学先端強磁場科学研究センター強磁場科学研究会　2014/12/04

  12. High Field ESR Measurements of the Spin Gap System in Polarized Light International-presentation

    APES-IES-SEST 2014　2014/11/12

  13. 反強磁性Coダイマーの偏光ESR

    日本物理学会2014年秋季大会　2014/09/07

  14. クロムスピネルの強磁場磁化過程

    日本物理学会 第６９回年次大会　2014/03/27

  15. クロムスピネル酸化物の強磁場物性

    東京大学物性研究所短期研究会　2013/10/30

  16. クロムスピネル酸化物HgCr2O4の偏光ESR

    日本物理学会 2013年秋期大会　2013/09/25

  17. 三角格子反強磁性体CuFeO2 の円偏光ESR

    木村尚次郎, 渡辺和雄, 藤田崇仁, 萩原政幸, 山口博則, 柏木隆成, 寺田典樹

    日本物理学会 第６８回年次大会　2013/03/26

  18. Electromagnon excitation in the frustrated magnets studied by millimeter wave ESR

    ICC-IMR Workshop on Development of Functionalized Molecule-based Magnetic Materials　2013/02/19

  19. Electromagnon excitation in the triangular lattice antiferromagnet CuFeO2 studied by high field ESR International-presentation

    S. Kimura, K. Watanabe, T. Fujita, M. Hagiwara, H. Yamaguchi, T. Kashiwagi, N. Terada

    Summit of Material Science (SMS2012)　2012/11/27

  20. S = 1/2 擬一次元Ising 型反強磁性体 BaCo2V2O8 の垂直磁化過程 II

    木村尚次郎, 渡辺和雄, 奥西巧一, 萩原政幸, 金道浩一, 何長振, 谷山智康, 伊藤満, 小山佳一

    日本物理学会 2012年秋季大会　2012/09/18

  21. (1) Field-induced phase transition in molecular based magnetic material International-presentation

    ICC-IMR Workshop on Development of Functionalized Molecule-based Magnetic Materials　2011/09/12

  22. S=1/2擬一次元反強磁性体BaCo2V2O8の垂直磁化過程

    日本物理学会 第６６回年次大会　2011/03/25

  23. High field study of the low dimensional quantum spin system International-presentation

    International Workshop 2010 on Strongly Correlated Transition Metal Compounds　2010/09/08

  24. High field and multi frequency ESR measurements of chromium spinel compounds International-presentation

    Highly Frustrated Magnetism 2010　2010/08/01

  25. ESR measurements of the chromium spinel compounds in high magnetic field International-presentation

    International Conference on Core Research and Engineering Science of Advanced Materials　2010/05/30

  26. S=1/2擬一次元Ising型反強磁性体における磁場誘起量子相転移の研究

    日本物理学会 第６５回年次大会　2010/03/20

  27. クロムスピネル酸化物CdCr2O4の強磁場ESR

    日本物理学会 第６５回年次大会　2010/03/20

  28. ESR measurements on the chromium spinel compounds HgCr2O4 in high magnetic field International-presentation

    Joint IMR International Symposium High Magnetic Field Spin Science in 100T VI　2009/12/07

  29. クロムスピネル酸化物HgCr2O4の強磁場ESR

    日本物理学会 ２００９秋季大会　2009/09/25

  30. 非破壊型パルスマグネットを用いた物性研究

    第５６回応用物理学関係連合講演会　2009/03/30

  31. 擬一次元反強磁性体BaCo2V2O8の強磁場中放射光X線回折

    日本物理学会 第６４回年次大会　2009/03/27

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Research Projects 13

  1. Promotion of the 1000-Tesla science

    Offer Organization: Japan Society for the Promotion of Science

    System: Grants-in-Aid for Scientific Research

    Category: Grant-in-Aid for Transformative Research Areas (A)

    Institution: The University of Tokyo

    2023/04 - 2028/03

  2. 1000 T化学反応の探索と解明

    木村 尚次郎

    Offer Organization: 日本学術振興会

    System: 科学研究費助成事業 学術変革領域研究(A)

    Category: 学術変革領域研究(A)

    Institution: 東北大学

    2023/04 - 2028/03

  3. Advancing quantum magnetism using neutron scattering technique

    Offer Organization: Japan Society for the Promotion of Science

    System: Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (A)

    Category: Grant-in-Aid for Scientific Research (A)

    Institution: Tohoku University

    2022/04 - 2027/03

  4. 空間反転対称性が破れた磁性体の光学的電気磁気効果による光誘起磁化発生

    木村 尚次郎

    Offer Organization: 日本学術振興会

    System: 科学研究費助成事業

    Category: 挑戦的研究(萌芽)

    Institution: 東北大学

    2023/06 - 2025/03

  5. 動的ヤーンテラー効果のd軌道自由度を用いた多重物性制御と量子ダイナミクス

    木村 尚次郎, 中野 元裕

    Offer Organization: 日本学術振興会

    System: 科学研究費助成事業 基盤研究(B)

    Category: 基盤研究(B)

    Institution: 東北大学

    2021/04 - 2025/03

    More details Close

    空間反転対称性を持たない点群Tdに属する遷移金属錯体化合物[MnIII(taa)]に関して、磁場中での試料回転に伴う焦電流を測定し二次の電気磁気効果によって発生する磁場誘起電気分極を観測した。[MnIII(taa)]分子は、スピンクロスオーバー転移温度以上の高スピン状態で動的ヤーンテラー効果によって分子歪みを生じ、これが向きの自由度を持った電気双極子を発生する。この分子歪みはスピン軌道相互作用を起源とする単イオン型磁気異方性を介してスピンと結合するため、磁場によって整列する。この整列のため歪由来の電気双極子も配向する。これを反映して電気磁気効果による磁場誘起電気分極が増強されることを明らかにした。電気分極の値は100μC/m2に達し、さらに動的ヤーンテラー効果を持たない低温相の低スピン状態へのスピンクロスオーバー転移によってほぼ消失することが分かった。さらに既知の単イオン型磁気異方性と分子歪み間の強弾性相互作用の値を考慮したモデル計算によって、磁場誘起電気分極の角度依存性、温度依存性及び磁場依存性を定量的に説明できることを示した。また、動的ヤーンテラー効果に伴って現れる分子歪の磁場配向によって比較的大きい大きい磁気キャパシタンスと磁歪が現れることを明らかにした。観測された磁歪は、[MnIII(taa)]分子のヤーンテラー伸張軸が磁場方向に揃うことを反映して一軸伸張型の振る舞いを示すことが分かった。

  6. Nonreciprocal magnons in noncentrosymmetric magnets

    Offer Organization: Japan Society for the Promotion of Science

    System: Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (B)

    Category: Grant-in-Aid for Scientific Research (B)

    Institution: Tohoku University

    2019/04 - 2023/03

  7. Magnetoelectric effect and nonreciprocal response of the quantum magnets

    Kimura Shojiro

    Offer Organization: Japan Society for the Promotion of Science

    System: Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (B)

    Category: Grant-in-Aid for Scientific Research (B)

    Institution: Tohoku University

    2017/04 - 2021/03

    More details Close

    The high-pressure electric polarization measurements of the spin dimer systems TlCuCl3 have revealed that the quantum fluctuation inherent in the spin dimer enhances the electric polarization, induced by the antiferromagnetic order owing to the magnon Bose-Einstein condensation, and gives soft nature to the ferroelectricity. By utilizing the soft nature, we have succeeded in fast switching of the nonreciprocal directional response to the microwave by the reversal of the electric polarization. We also have found that the optical transition from the spin singlet to the triplet state in KCuCl3 is induced by the oscillating electric fields of the terahertz electromagnetic wave.

  8. Light induced ferroelectricity by cooperative Jahn-Teller effect

    Shojiro Kimura

    Offer Organization: Japan Society for the Promotion of Science

    System: Grants-in-Aid for Scientific Research Grant-in-Aid for Challenging Exploratory Research

    Category: Grant-in-Aid for Challenging Exploratory Research

    Institution: Tohoku University

    2014/04 - 2018/03

    More details Close

    In this research, we aim to find light induced ferroelectricity in the spin crossover complex [MnIII(taa)]. [MnIII(taa)] molecule possesses a electric dipole moment due to a dynamic Jahn-Teller effect in its high spin state. Because of an existence of a cooperative interaction between electric dipole moments, the ferroelectricity is expected to appear by light induced spin crossover from the low spin to the high spin state. To find this phenomenon, the dielectric and electric polarization measurement systems, and microwave ESR system, in which the measurements under illumination of light can be carried out, were developed. Although the light induced ferroelectricity was not observed, we found interesting magnetocapacitance effects, in which the dielectric constant changes more than 100% by applied magnetic field.

  9. Electromagnon driven by dinamics of the complex spin order parameter

    KIMURA Shojiro, HAGIWARA Masayuki

    Offer Organization: Japan Society for the Promotion of Science

    System: Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (B)

    Category: Grant-in-Aid for Scientific Research (B)

    Institution: Tohoku University

    2012/04 - 2015/03

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    We have demonstrated that a dynamic magneto-electric phenomenon called "electromagnon", for which magnon is excited by the electric component of light, can be driven by dynamics of the vector spin chirality in the frustrated magnet. Furthermore, we suggested that such a phenomenon also occurs in quantum spin gap systems due to the spin current mechanism, which brings about a electric polarization proportional to the vector spin chirality. According to this idea, we succeeded in observing ferroelectricity induced by Bose-Einstein condensation of magnon quasi-particles.

  10. Nobel quantum phase transition in multispin systems - from multipole view point of view -

    MATSUMOTO Masashige, KOGA Mikito, KUSUNOSE Hiroaki, SEKINE Tomoyuki, KUROE Haruhiko, KIMURA Shojiro

    Offer Organization: Japan Society for the Promotion of Science

    System: Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (C)

    Category: Grant-in-Aid for Scientific Research (C)

    Institution: Shizuoka University

    2011 - 2013

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    We proposed a theory for complicated quantum spin systems in which plural spins interact with each other strongly. The strongly interacting part can be regarded as a multispin unit and we introduced a form factor that depends on magnetic structure of the multispin unit. We applied the theory to a particular materials and investigated intensity of inelastic neutron scattering. When the magnetic ion is located at a site without inversion symmetry, quadrupole operator becomes equivalent to the electric polarization. This results in maltiferroic properties. In a particular material, there are intersite quadrupole interactions. We reported that they can determine the easy axis.

  11. 鉄スピンクロスオーバー錯体における光誘起高スピン相の高周波ESR測定による研究

    木村 尚次郎

    Offer Organization: 日本学術振興会

    System: 科学研究費助成事業 若手研究(B)

    Category: 若手研究(B)

    Institution: 大阪大学

    2006 - 2007

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    今年度は、昨年度に引き続いて可視光照射をしつつ高周波ESR測定を行うためのクライオスタットの作成を行った。可視光照射のため用いる光ファイバーをクライオスタットの試料付近まで導入し光照射下において、周波数75〜2000GHz、パルス磁場〜55Tの条件のもとでの強磁場高周波ESR測定が可能な装置を開発した。可視光源には発振波長632.8nn、出力10mVのヘリウムーネオンレーザーを用いた。この装置を用い、鉄スピンクロスオーバー錯体の光照射ESR測定を行った。試料が低スピン状態にある温度4.2Kにおいて可視光照射し、光誘起を起こしその状態でのESR信号の観測を試みた。大きな零磁場ギャップを持つと予想されるFe^<II>イオンのESR信号を観測するため、高周波730.5GHz、〜55Tの磁場範囲で測定を行ったが、残念ながら信号を観測することはできなかった。光照射によって高スピン状態に誘起されるのは、試料の表面付近にのみ限られるので有効スピン数が少なすぎ、今回開発した装置の感度内で信号を観測するには至らなかったのではないかと考えている。一方今年度はこれ以外に、ペロブスカイト型コバルト酸化物において新しいタイプのスピンクロスオーバー現象を見出した。Sr_<0.75>Y_<0.25>CoO_<3-δ>について強磁場磁化測定を行い磁場誘起によるスピンクロスオーバーを観測したが、我々の解析からこの現象は、強磁性的な内部磁揚の助けを借りて生じており、低スピンから高スピン状態への転移が強磁性を伴う興味深いものであることがわかった。

  12. ダイヤモンドアンビルセルを用いた超高圧下遠赤外ESRによる固体酸素の研究

    木村 尚次郎

    Offer Organization: 日本学術振興会

    System: 科学研究費助成事業

    Category: 特別研究員奨励費

    Institution: 大阪大学

    2001 - 2003

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    これまでの分光測定からは、明らかでなかった固体酸素a相の磁気励起モードの磁場依存性を強磁場遠赤外ESR測定によって明らかにした。観測されたESRモードは、典型的な容易面型の二副格子反強磁性体のものであることがわかった。またこれまでのX-band ESR測定では大きな0磁場ギャップのため一部しか観測できていなかった酸素気相のESRスペクトルの全体を高周波強磁場ESR測定によって明らかにし、その結果がTinkhamとStrandbergが提出した酸素分子回転運動をとりいれた理論によってほぼ説明できることを示した。しかし気相で見積もられた磁気異方性の大きさが固体酸素α相でのそれと2倍程度異なっていることが問題として残った。さらに理研播磨研究所量子材料研グループが中心となってSPring8で行われた放射光を用いた固体酸素の強磁湯中でのX線回折実験に参加した。阪大旧天谷グループからダイヤモンドアンビルセルの提供を受け高圧下ESR測定を試みたが、ダイヤモンドアンビルセルの開口部が狭いことやダイヤモンドによって遠赤外光が屈折され光路が曲げられてしまうため、セルを透過する際に遠赤外光が大きく減衰してしまいこれを実現するのは非常に困難であった。レンズや電磁波を集光するためのホーンをセル直前におくなど工夫してこれを解決することを試みたが、残念ながらパルスマグネットと組み合わせた高圧下強磁場ESR測定を可能とするにはいたらなかった。

  13. 強磁場を用いたミリ波及びサブミリ波ESRによる量子スピン系の研究

    木村 尚次郎

    Offer Organization: 日本学術振興会

    System: 科学研究費助成事業

    Category: 特別研究員奨励費

    Institution: 神戸大学

    1998 - 1998

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Teaching Experience 1

  1. 低温磁性物理学　東北大学工学研究科

Academic Activities 1

  1. Journal of the Physical Society of Japan編集委員

    Activity type: Peer review