Nature Communications (Oct 2022)

Observation of room temperature excitons in an atomically thin topological insulator

  • Marcin Syperek,
  • Raul Stühler,
  • Armando Consiglio,
  • Paweł Holewa,
  • Paweł Wyborski,
  • Łukasz Dusanowski,
  • Felix Reis,
  • Sven Höfling,
  • Ronny Thomale,
  • Werner Hanke,
  • Ralph Claessen,
  • Domenico Di Sante,
  • Christian Schneider

DOI
https://doi.org/10.1038/s41467-022-33822-8
Journal volume & issue
Vol. 13, no. 1
pp. 1 – 7

Abstract

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Here, the authors report the observation of room temperature excitons in a single layer of bismuth atoms epitaxially grown on a SiC substrate - a material of non-trivial global topology - with excitonic and topological physics deriving from the very same electronic structure.