Nature Communications (Apr 2017)

Bi1Te1 is a dual topological insulator

  • Markus Eschbach,
  • Martin Lanius,
  • Chengwang Niu,
  • Ewa Młyńczak,
  • Pika Gospodarič,
  • Jens Kellner,
  • Peter Schüffelgen,
  • Mathias Gehlmann,
  • Sven Döring,
  • Elmar Neumann,
  • Martina Luysberg,
  • Gregor Mussler,
  • Lukasz Plucinski,
  • Markus Morgenstern,
  • Detlev Grützmacher,
  • Gustav Bihlmayer,
  • Stefan Blügel,
  • Claus M. Schneider

DOI
https://doi.org/10.1038/ncomms14976
Journal volume & issue
Vol. 8, no. 1
pp. 1 – 9

Abstract

Read online

Coexistence of a topological insulator phase and a topological crystalline insulator phase helps to maintain topological properties under a controlled symmetry breaking perturbation. Here, Eschbacket al. report a superlattice of Bi and Bi2Te3to be such a dual topological insulator.