Digging for topological property in disordered alloys: the emergence of Weyl semimetal phase and sequential band inversions in PbSe

Digging for topological property in disordered alloys: the emergence of Weyl semimetal phase and sequential band inversions in PbSe–SnSe alloys

Published:2019 Issue:10 Volume:6 Page:2124-2134
ISSN:2051-6347
Container-title:Materials Horizons
language:en
Short-container-title:Mater. Horiz.

Author:

Wang Zhi¹²³⁴^ORCID,Liu Qihang⁵⁶⁷⁸^ORCID,Luo Jun-Wei⁹¹⁰¹¹¹²⁸,Zunger Alex¹²³⁴

Affiliation:

1. Renewable and Sustainable Energy Institute

2. University of Colorado

3. Boulder

4. USA

5. Shenzhen Institute for Quantum Science and Technology and Department of Physics

6. Southern University of Science and Technology

7. Shenzhen 518055

8. China

9. State Key Laboratory for Superlattices and Microstructures

10. Institute of Semiconductors

11. Chinese Academy of Sciences

12. Beijing 100083

Abstract

Given that recent search for topological systems has broadened to include alloys where symmetries are broken by substitutional disorder, we try to answer the question of whether topological properties can be preserved, or are modified in such alloys.

Funder

National Natural Science Foundation of China

National Science Foundation

Publisher

Royal Society of Chemistry (RSC)

Subject

Electrical and Electronic Engineering,Process Chemistry and Technology,Mechanics of Materials,General Materials Science

Link

http://pubs.rsc.org/en/content/articlepdf/2019/MH/C9MH00574A

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1. Z2Topological Order and the Quantum Spin Hall Effect

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