Electronic structure of Bi2Te3 studied by angle-resolved photoemission

V. A. Greanya, W. C. Tonjes, Rong Liu, C. G. Olson, D. Y. Chung, M. G. Kanatzidis

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Abstract

We report a detailed study of the electronic structure of Bi2Te3, to our knowledge the best room temperature thermoelectric material known to date, using angle-resolved photoemission. Dispersions of the valence bands were determined. A sixfold k-space degeneracy in the valence-band maximum is found. The quasi-two-dimensional nature of the electronic structure was demonstrated by the weakly dispersive bands along the Γ-Z direction. Experimental results are compared with theoretical band-structure calculations and with de Haas-van Alphen and Shubnikov-de Haas experiments.

Original languageEnglish
Pages (from-to)16425-16429
Number of pages5
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume62
Issue number24
DOIs
Publication statusPublished - Dec 15 2000

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ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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