Publication Date:
2011-09-24
Description:
Author(s): Zheng Liu, Chao-Xing Liu, Yong-Shi Wu, Wen-Hui Duan, Feng Liu, and Jian Wu Recently, there have been intense efforts in searching for new topological insulator materials. Based on first-principles calculations, we find that all the ultrathin Bi (111) films are characterized by a nontrivial Z 2 number independent of the film thickness, without the odd-even oscillation of top... [Phys. Rev. Lett. 107, 136805] Published Fri Sep 23, 2011
Keywords:
Condensed Matter: Electronic Properties, etc.
Print ISSN:
0031-9007
Electronic ISSN:
1079-7114
Topics:
Physics
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