Evidence for higher order topology in Bi and Bi0.92Sb0.08

Leena Aggarwal; Penghao Zhu; Taylor L. Hughes; Vidya Madhavan

doi:10.1038/s41467-021-24683-8

Nature Communications (Jul 2021)

Evidence for higher order topology in Bi and Bi0.92Sb0.08

Leena Aggarwal,
Penghao Zhu,
Taylor L. Hughes,
Vidya Madhavan

Affiliations

Leena Aggarwal: Department of Physics and Materials Research Laboratory, University of Illinois Urbana-Champaign
Penghao Zhu: Department of Physics and Institute for Condensed Matter Theory, University of Illinois at Urbana-Champaign
Taylor L. Hughes: Department of Physics and Institute for Condensed Matter Theory, University of Illinois at Urbana-Champaign
Vidya Madhavan: Department of Physics and Materials Research Laboratory, University of Illinois Urbana-Champaign

DOI: https://doi.org/10.1038/s41467-021-24683-8
Journal volume & issue: Vol. 12, no. 1
pp. 1 – 6

Abstract

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The experimental realization of higher order topological insulator (HOTI) in solid state materials remains elusive. Here, Aggarwal et al. reveal hinge states on three edges of both Bi and Bi0.92Sb0.08 (110) islands, supporting them as a class of HOTI.

Published in Nature Communications

ISSN: 2041-1723 (Online)
Publisher: Nature Portfolio
Country of publisher: United Kingdom
LCC subjects: Science
Website: https://www.nature.com/ncomms/

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