Micro-Raman spectroscopy of mechanically exfoliated few-quintuple layers of Bi 2 Te 3 , Bi 2 Se 3 , and Sb 2 Te 3 materials

Abstract

Bismuth telluride (Bi2Te3) and related compounds have recently attracted strong interest, owing to the discovery of the topological insulator properties in many members of this family of materials. The few-quintuple films of these materials are particularly interesting from the physics point of view. We report results of the micro-Raman spectroscopy study… (More)

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