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

Clicks: 176
ID: 268750
2010
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 Zhang, Yi;He, Ke;Chang, Cui-Zu;Song, Can-Li;Wang, Li-Li;Chen, Xi;Jia, Jin-Feng;Fang, Zhong;Dai, Xi;Shan, Wen-Yu;Shen, Shun-Qing;Niu, Qian;Qi, Xiao-Liang;Zhang, Shou-Cheng;Ma, Xu-Cun;Xue, Qi-Kun;Zhang, Yi;He, Ke;Chang, Cui-Zu;Song, Can-Li;Wang, Li-Li;Chen, Xi;Jia, Jin-Feng;Fang, Zhong;Dai, Xi;Shan, Wen-Yu;Shen, Shun-Qing;Niu, Qian;Qi, Xiao-Liang;Zhang, Shou-Cheng;Ma, Xu-Cun;Xue, Qi-Kun;
Journal Nature Physics
Year 2010
DOI doi:10.1038/nphys1689
URL
https://dx.doi.org/10.1038/nphys1689##auth-Can_Li-Song
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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