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Magnetism in MnBi<sub>2</sub>Te<sub>4</sub> and related compounds

ORAL

Abstract

MnBi2Te4 has been extensively investigated recently as the first intrinsic antiferromagnetic topological insulator. This compound also shows a strong correlation between structural, magnetic, and transport properties. In this talk, I will present our work on how the stacking of septuple (MnBi2Te4) and quintuple (Bi2Te3) layers, chemical doping, high pressure, and antisite defects affect the magnetic properties. I will also discuss how these results can guide us fine-tuning the magnetism for desired topological phenomena.

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Presenters

  • Jiaqiang Yan

    Materials Science and Engineering, The University of Tennessee, Oak Ridge National Lab, Oak Ridge National Laboratory, Materials Science and Technology Division, Oak Ridge National Laboratory, Materials Science and Technology Division, Oak Ridge National Lab, Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA

Authors

  • Jiaqiang Yan

    Materials Science and Engineering, The University of Tennessee, Oak Ridge National Lab, Oak Ridge National Laboratory, Materials Science and Technology Division, Oak Ridge National Laboratory, Materials Science and Technology Division, Oak Ridge National Lab, Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA

  • Andrew May

    Materials Science and Technology Division, Oak Ridge National Laboratory, Materials Science & Technology Division, Oak Ridge National Laboratory, Oak Ridge National Laboratory, Oak Ridge National Lab

  • Michael McGuire

    Oak Ridge National Laboratory, Materials Science and Technology Division, Oak Ridge National Laboratory, Oak Ridge National Lab, Materials Science Division, Oak Ridge National Laboratory

  • Yaohua Liu

    Neutron Scattering Division, Oak Ridge National Laboratory, Oak Ridge National Lab, Oak Ridge National Laboratory

  • Brian Sales

    Oak Ridge National Lab