Nature Communications (Jan 2020)

A van der Waals antiferromagnetic topological insulator with weak interlayer magnetic coupling

  • Chaowei Hu,
  • Kyle N. Gordon,
  • Pengfei Liu,
  • Jinyu Liu,
  • Xiaoqing Zhou,
  • Peipei Hao,
  • Dushyant Narayan,
  • Eve Emmanouilidou,
  • Hongyi Sun,
  • Yuntian Liu,
  • Harlan Brawer,
  • Arthur P. Ramirez,
  • Lei Ding,
  • Huibo Cao,
  • Qihang Liu,
  • Dan Dessau,
  • Ni Ni

DOI
https://doi.org/10.1038/s41467-019-13814-x
Journal volume & issue
Vol. 11, no. 1
pp. 1 – 8

Abstract

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Emergent quantum phenomena such as quantized anomalous Hall effect may be realized in magnetic topological materials. Here, Hu et al. discovered an intrinsic natural heterostructural Z2 antiferromagnetic topological insulator MnBi4Te7 with low out-of-plane saturation fields.