Topological insulators in Bi2Se3, Bi2Te3 and Sb2Te3 with a single Dirac cone on the surface
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Topological insulators in Bi2Se3, Bi2Te3 and Sb2Te3 with a single Dirac cone on the surface

Haijun Zhang;Chao-Xing Liu;Xiao-Liang Qi;Xi Dai;Zhong Fang;Shou-Cheng Zhang;Haijun Zhang;Chao-Xing Liu;Xiao-Liang Qi;Xi Dai;Zhong Fang;Shou-Cheng Zhang;
Nature Physics 2009 Vol. 5 pp. 438-442
218
zhang2009naturetopological

Abstract

First-principles calculations predict that Bi2Se3, Bi2Te3 and Sb2Te3 are topological insulators—three-dimensional semiconductors with unusual surface states generated by spin–orbit coupling—whose surface states are described by a single gapless Dirac cone. The calculations further predict that Bi2Se3 has a non-trivial energy gap larger than the energy scale kBT at room temperature.

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physics complex systems condensed matter physics Molecular general atomic optical and plasma physics classical and continuum physics theoretical mathematical and computational physics

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DOI:
doi:10.1038/nphys1270
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https://dx.doi.org/10.1038/nphys1270

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