Monday, August 24, 2015

Evolution of the surface state in Bi2Se2Te thin films during phase transition

Nanoscale, 2015, Advance Article
DOI: 10.1039/C5NR04354A, Paper
Hyejin Choi, Tae Hyeon Kim, Jimin Chae, Juheyuck Baeck, Chul-Sik Kee, Kwang-Ho Jeong, Hong-Sik Jeong, Chul Kang, Mann-Ho Cho
Well-ordered Bi2Se2Te film as a topological insulator was synthesized from amorphous phase of a {(Bi(3 A)Te(9 A)}n/{(Bi(3 A)Se(9 A)}n layered film. Optical characteristics shows the coexistence of a surface metallic state and a quantum well state in Bi2Se2Te.
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