Direct evidence of ferromagnetism in MnSb2Te4

Wenbo Ge; Paul M. Sass; Jiaqiang Yan; Seng Huat Lee; Zhiqiang Mao; Weida Wu

doi:10.1103/PhysRevB.103.134403

Direct evidence of ferromagnetism in MnSb2Te4

Materials Science 2021-04-07 v1

Authors: Wenbo Ge , Paul M. Sass , Jiaqiang Yan , Seng Huat Lee , Zhiqiang Mao , Weida Wu

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Abstract

We report the magnetic imaging of ferromagnetic domains in the van der Waals single crystal MnSb2Te4 from two different sources using cryogenic magnetic force microscopy. The magnetic field dependence of the domains reveals very weak pinning of domain walls in MnSb2Te4, resulting in a negligibly small magnetic hysteresis loop. The temperature dependence of the domain contrast reveals a mean field like behavior, in good agreement with that of bulk magnetization measurements.

Keywords

MnSb2Te4 ferromagnetism magnetic force microscopy van der waals crystal domain walls magnetic imaging

Cite

@article{arxiv.2101.07892,
  title  = {Direct evidence of ferromagnetism in MnSb2Te4},
  author = {Wenbo Ge and Paul M. Sass and Jiaqiang Yan and Seng Huat Lee and Zhiqiang Mao and Weida Wu},
  journal= {arXiv preprint arXiv:2101.07892},
  year   = {2021}
}

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