Exceptional surface and bulk electronic structures in a topological insulator, Bi2Se3

Abstract

The outstanding problem in topological insulators is the bulk metallicity underneath topologically ordered surface states and the appearance of Dirac point far away from the Fermi energy. Enormous efforts are being devoted to get the Dirac point at the Fermi level via exposure to foreign materials so that these materials can be used in technology and… (More)
DOI: 10.1038/srep17351

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