Anomalous magnetization of the chiral antiferromagnet Mn<sub>3</sub>Sn

ORAL

Abstract

Recent experiments have revealed a large anomalous Hall effect at room temperature in Mn3Sn [1]. According to the first principle calculations, the large anomalous Hall effect would originate from the Berry curvature. Here, by using a scanning Hall probe microscopy, we study magnetic properties arising from the Berry curvature in Mn3Sn. We demonstrate the possibility that a boundary current circulation generated from the Berry curvature provides an orbital magnetization [2], the magnitude of which is the same order as the spin magnetization due to spin canting towards the local easy axis. [1] S. Nakatsuji, N. Kiyohara, and T. Higo, Nature 527, 212–215 (2015). [2] D. Xiao, M.-C. Chang, and Q. Niu, Rev. Mod. Phys. 82, 1959 (2010).

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Presenters

  • Masaaki Shimozawa

    • Institute of Solid State Physics, University of Tokyo
    • ISSP, University of Tokyo

Authors

  • Masaaki Shimozawa

    • Institute of Solid State Physics, University of Tokyo
    • ISSP, University of Tokyo

  • Kaori Sugii

    • ISSP, University of Tokyo

  • Jun Kondo

    • ISSP, University of Tokyo

  • Yoshitaka Suzuki

    • ISSP, University of Tokyo

  • Minoru Yamashita

    • Institute of Solid State Physics, University of Tokyo
    • ISSP, University of Tokyo

  • Taketomo Nakamura

    • ISSP, University of Tokyo

  • Shingo Katsumoto

    • ISSP, University of Tokyo

  • Yasuhiro Tada

    • ISSP, University of Tokyo

  • Muhammad Ikhlas

    • ISSP, University of Tokyo

  • Tomoya Higo

    • ISSP, University of Tokyo

  • Takahiro Tomita

    • ISSP, University of Tokyo

  • Satoru Nakatsuji

    • Univ of Tokyo-Kashiwanoha
    • ISSP, University of Tokyo
    • Institute for Solid State Physics, Univ of Tokyo
    • University of Tokyo

  • Marcin Konczykowski

    • Ecole Polytechnique
    • Laboratoire des Solides Irradiés, École Polytechnique, CNRS, CEA, Université Paris-Saclay

  • Yuji Matsuda

    • Department of Physics, Kyoto Univ
    • Kyoto University
    • Department of Physics, Kyoto University
    • Kyoto Univ.

  • Kiyotaka Mukasa

    • University of Tokyo

  • Kohei Matsuura

    • University of Tokyo

  • Yuta Mizukami

    • University of Tokyo

  • Takasada Shibauchi

    • Department of Advanced Materials Science, University of Tokyo
    • University of Tokyo
    • Univ. Tokyo