Nature Communications (Nov 2022)

Cesium-mediated electron redistribution and electron-electron interaction in high-pressure metallic CsPbI3

  • Feng Ke,
  • Jiejuan Yan,
  • Shanyuan Niu,
  • Jiajia Wen,
  • Ketao Yin,
  • Hong Yang,
  • Nathan R. Wolf,
  • Yan-Kai Tzeng,
  • Hemamala I. Karunadasa,
  • Young S. Lee,
  • Wendy L. Mao,
  • Yu Lin

DOI
https://doi.org/10.1038/s41467-022-34786-5
Journal volume & issue
Vol. 13, no. 1
pp. 1 – 8

Abstract

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Halide perovskites display physical properties that are of both practical and fundamental interest. At high pressure, the low-temperature electrical transport in one such compound, CsPbI3, is now shown to be due to Cs-mediated electron-electron interactions resulting in Fermi-liquid-like behaviour.