Nature Communications (Sep 2021)

Demonstration of valley anisotropy utilized to enhance the thermoelectric power factor

  • Airan Li,
  • Chaoliang Hu,
  • Bin He,
  • Mengyu Yao,
  • Chenguang Fu,
  • Yuechu Wang,
  • Xinbing Zhao,
  • Claudia Felser,
  • Tiejun Zhu

DOI
https://doi.org/10.1038/s41467-021-25722-0
Journal volume & issue
Vol. 12, no. 1
pp. 1 – 9

Abstract

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Valley anisotropy is proposed theoretically to benefit the electrical transport of thermoelectric materials but it lacks experimental demonstration. Here, the authors demonstrate how to utilize the single anisotropic Fermi pocket in p-type Mg3Sb2 to enhance its thermoelectric properties.