(Under construction)

2024

  • 2024/09/16–2024/09/19
    Presentations in the Physical Society of Japan 2024 Annual Meeting (including collaborators’ presentations):
    • 18aS105-4
      田中克大，野本拓也，有田亮太郎
      「CrドープRuO2を用いた接合系におけるトンネル磁気抵抗効果の第一原理計算」
    • 16pE306-10
      松本卓也，Hang Su，見波将，田中克大，Yangming Wang，中村紘人，浜根大輔，酒井明人，中辻知
      「フェリ磁性体GdCo2の単結晶合成と磁気輸送特性について」
    • 17pN102-6
      立石真之，井土宏，近藤理人，犬飼晃司，田中克大，坂本祥哉，肥後友也，三輪真嗣，中辻知
      「Fe/MgO/Mn3Snトンネル接合における磁気抵抗効果の接合サイズ及び温度依存性」
    • 17pE307-10
      梶原悠人，田中克大，浜根大輔，是常隆，酒井明人，中辻知
      「ディラック半金属CaAuPにおける異方的輸送特性の測定」

  • 2024/08/29
    Our new paper is published.
    Katsuhiro Tanaka, Takuya Nomoto, and Ryotaro Arita,
    ‘‘First-principles study of the tunnel magnetoresistance effect with Cr-doped RuO2 electrode’’
    Phys. Rev. B 110, 064433 (2024).

  • 2024/02/20–2024/02/22
    We gave a poster presentation in CEMS Symposium on Emergent Quantum Materials 2024.
    Katsuhiro Tanaka, Takuya Nomoto, and Ryotaro Arita,
    ‘‘First-principles calculation of tunnel magnetoresistance effect using Cr-doped RuO2’’

  • 2024/02/19
    We gave an oral presentation in International Symposium on Quantum Electronics 2024.
    Katsuhiro Tanaka, Takuya Nomoto, and Ryotaro Arita,
    ‘‘First-principles study on tunnel magnetoresistance effect with antiferromagnets’’

2023

  • 2023/12/12
    Joint work with Meng Wang (RIKEN) and collaborators is published.
    Meng Wang*, Katsuhiro Tanaka*, Shiro Sakai, Ziqian Wang, Ke Deng, Yingjie Lyu, Cong Li, Di Tian, Shengchun Shen, Naoki Ogawa, Naoya Kanazawa, Pu Yu, Ryotaro Arita, Fumitaka Kagawa, (*: equal contribution)
    ‘‘Emergent zero-field anomalous Hall effect in a reconstructed rutile antiferromagnetic metal’’
    Nat. Commun. 14, 8240 (2023).

  • 2023/10/16
    We gave a poster presentation in Trends in the Theory of Quantum Materials 2023 (TTQM2023).
    KT, Takuya Nomoto, and Ryotaro Arita,
    P19, ‘‘Role of local density of states for evaluating tunnel magnetoresistance effect’’

  • 2023/09/17
    We gave a presentation in The Physical Society of Japan 2023 Annual Meeting.
    KT, Xianzhe Chen, Tomoya Higo, Takuya Nomoto, Hanshen Tsai, Hiroshi Idzuchi, Masanobu Shiga, Shoya Sakamoto, Ryoya Ando, Hidetoshi Kosaki, Takumi Matsuo, Daisuke Nishio-Hamane, Ryotaro Arita, Shinji Miwa, and Satoru Nakatsuji,
    17aB102-13, ‘‘First-principles calculation of tunneling magnetoresistance effect in antiferromagnetic tunnel junctions based on the chiral antiferromagnet Mn3Sn’’

    Tomoya Higo (UTokyo), our collaborator, also gave a presentation.
    Tomoya Higo, Xianzhe Chen, KT, Takuya Nomoto, Hanshen Tsai, Hiroshi Idzuchi, Masanobu Shiga, Shoya Sakamoto, Ryoya Ando, Hidetoshi Kosaki, Takumi Matsuo, Daisuke Nishio-Hamane, Ryotaro Arita, Shinji Miwa, and Satoru Nakatsuji,
    17aB102-12, ‘‘Experimental observation of tunneling magnetoresistance in antiferromagnetic tunnel junctions based on the chiral antiferromagnet Mn3Sn’’

  • 2023/09/16
    Rihito Kondo (UTokyo), our collaborator, gave a poster presentation in The Physical Society of Japan 2023 Annual Meeting.
    Rihito Kondo, Masahiko Yunokizaki, Hiroshi Idzuchi, Koji Inukai, KT, Shoya Sakamoto, Tomoya Higo, Shinji Miwa, and Satoru Nakatsuji,
    16aPS-30, ‘‘Size dependence of tunneling magnetoresistance in the Fe/MgO/Mn3Sn junction’’

  • 2023/08/08
    We gave a poster presentation in International Conference on Quantum Liquid Crystals (QLC2023).
    KT, Xianzhe Chen, Tomoya Higo, Takuya Nomoto, Hanshen Tsai, Hiroshi Idzuchi, Masanobu Shiga, Shoya Sakamoto, Ryoya Ando, Hidetoshi Kosaki, Takumi Matsuo, Daisuke Nishio-Hamane, Ryotaro Arita, Shinji Miwa, and Satoru Nakatsuji,
    PS1-51, ‘‘Magnetoresistance in a tunnel junction with an antiferromagnet Mn3Sn’’

  • 2023/07/25
    We gave a poster presentation in the 11th International Symposium on Metallic Multilayers (MML 2023).
    KT, Xianzhe Chen, Tomoya Higo, Takuya Nomoto, Ryotaro Arita, Shinji Miwa, Satoru Nakatsuji,
    0695, ‘‘Tunneling Magnetoresistance Effect with an Antiferromagnet Mn3Sn’’

  • 2023/07/13
    I gave a seminar at Group of Assoc. Prof. Yusuke Nomura at Keio University. Thank you very much!
    Title: “Theoretical calculation of tunneling magnetoresistance effect with antiferromagnetic metal”

  • 2023/06/27
    Our new paper is published.
    KT, Takuya Nomoto, and Ryotaro Arita,
    ‘‘Local density of states as a probe for tunneling magnetoresistance effect: Application to ferrimagnetic tunnel junctions’’
    Phys. Rev. B 107, 214442 (2023).

  • 2023/02/01
    I have moved to Department of Physics, Graduate School of Science, University of Tokyo.

  • 2023/01/19
    Joint work with Xianzhe Chen (UTokyo → UC Berkeley), Tomoya Higo (UTokyo) and collaborators is published.
    Xianzhe Chen, Tomoya Higo, KT, Takuya Nomoto, Hanshen Tsai, Hiroshi Idzuchi, Masanobu Shiga, Shoya Sakamoto, Ryoya Ando, Hidetoshi Kosaki, Takumi Matsuo, Daisuke Nishio-Hamane, Ryotaro Arita, Shinji Miwa, and Satoru Nakatsuji,
    ‘‘Octupole-driven magnetoresistance in an antiferromagnetic tunnel junction’’
    Nature 613, 490 (2023).
    Press release

  • 2023/01/06
    We gave a presentation in QLC, 2nd Quantum Materials Forum.
    KT,
    ‘‘Tunneling magnetoresistance effect with antiferromagnets and ferrimagnets’’

2022

  • 2022/12/09
    We gave a poster presentation in FYR04 QLC (Quantum Liquid Crystals) meeting.
    KT, Takuya Nomoto, and Ryotaro Arita,
    P20, ‘‘Evaluating tunneling magnetoresistance effect with local density of states and its application to ferrimagnetic tunnel junctions’’
  • 2022/09/14
    We gave a presentation in JPS 2022 Autumn meeting.
    KT, Takuya Nomoto, and Ryotaro Arita,
    14pW641-3 ‘‘Theoretical calculation of tunneling magnetoresistance with antiferromagnets’’

2021

  • 2021/03/15
    We gave a presentation in JPS 2021 Annual (76th) Meeting.
    KT, Keisuke Totsuka, and Chisa Hotta,
    15pC1-8 ‘‘Description of spin nematic phases by dimer basis and two-magnon bound states’’

2020

  • 2020/10/05
    Our new paper is published.
    KT and Chisa Hotta,
    ‘‘Finite-temperature thermodynamic properties of spin-1 nematics in an applied magnetic field’’
    Phys. Rev. B 102, 140401(R) (2020).

  • 2020/09/10
    We gave a presentation in JPS 2020 Autumn Meeting (Condensed Matter Physics).
    KT and Chisa Hotta,
    10a1-4 ‘‘Magnetic field effect on thermodynamic properties of the spin-1 nematic phases’’

  • 2020/03/18
    Our new paper is published.
    KT and Chisa Hotta,
    ‘‘Multiple quadrupolar or nematic phases driven by the Heisenberg interactions in a spin-1 dimer system forming a bilayer’’,
    Phys. Rev. B 101, 094422 (2020).

2019

2018

2017