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

Zhang, Haijun;Liu, Chao-Xing;Qi, Xiao-Liang;Dai, Xi;Fang, Zhong;Zhang, Shou-Cheng;Zhang, Haijun;Liu, Chao-Xing;Qi, Xiao-Liang;Dai, Xi;Fang, Zhong;Zhang, Shou-Cheng;
Nature Physics 2009 Vol. 5 pp. 438-442
328
haijun2009naturetopological

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:10.1038/nphys1270
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https://doi.org/10.1038%2Fnphys1270

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