Crossover of the three-dimensional topological insulator Bi2Se3 to the two-dimensional limit - Nature Physics

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ID: 268267
2010
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Abstract
The gapless surface states of topological insulators could enable quantitatively different types of electronic device. A study of the topological insulating Bi2Se3 thin films finds that a gap in these states opens up in films below a certain thickness. This in turn suggests that in thicker films, gapless states exist on both upper and lower surfaces.
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Authors Yi Zhang;Ke He;Cui-Zu Chang;Can-Li Song;Li-Li Wang;Xi Chen;Jin-Feng Jia;Zhong Fang;Xi Dai;Wen-Yu Shan;Shun-Qing Shen;Qian Niu;Xiao-Liang Qi;Shou-Cheng Zhang;Xu-Cun Ma;Qi-Kun Xue;Yi Zhang;Ke He;Cui-Zu Chang;Can-Li Song;Li-Li Wang;Xi Chen;Jin-Feng Jia;Zhong Fang;Xi Dai;Wen-Yu Shan;Shun-Qing Shen;Qian Niu;Xiao-Liang Qi;Shou-Cheng Zhang;Xu-Cun Ma;Qi-Kun Xue;
Journal Nature Physics
Year 2010
DOI
doi:10.1038/nphys1689
URL
https://dx.doi.org/10.1038/nphys1689##auth-Zhong-Fang
Keywords
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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