Nature Communications (Aug 2020)

Orbital-selective Dirac fermions and extremely flat bands in frustrated kagome-lattice metal CoSn

  • Zhonghao Liu,
  • Man Li,
  • Qi Wang,
  • Guangwei Wang,
  • Chenhaoping Wen,
  • Kun Jiang,
  • Xiangle Lu,
  • Shichao Yan,
  • Yaobo Huang,
  • Dawei Shen,
  • Jia-Xin Yin,
  • Ziqiang Wang,
  • Zhiping Yin,
  • Hechang Lei,
  • Shancai Wang

DOI
https://doi.org/10.1038/s41467-020-17462-4
Journal volume & issue
Vol. 11, no. 1
pp. 1 – 7

Abstract

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The understanding of kagome bands, which are characterized by Dirac-like bands capped by a flat band, remains largely elusive. Here, Liu et al. report the observation of a flat band and Dirac bands as ideal features of kagome bands in CoSn, revealing orbital-selective character.