期刊
SURFACE SCIENCE
卷 621, 期 -, 页码 104-108出版社
ELSEVIER
DOI: 10.1016/j.susc.2013.11.004
关键词
Topological crystalline insulator; Electronic structure; Molecular beam epitaxy; Scanning tunneling microscopy; Angle-resolved photoemission spectroscopy
资金
- NSFC [11025419, 51331006]
- MOST [2011CB921904]
We present the growth of atomically flat topological crystalline insulator (TCI) SnTe films on Si(111) substrate by molecular beam epitaxy (MBE). The growth condition for achieving high quality SnTe film was established by a combination of reflection high energy electron diffraction (RI-TEED) and scanning tunneling microscopy (STM) studies. In-situ angle resolved photoemission spectroscopy (ARPES) measurements elucidate the topological nature of the SnTe films. The electronic structure of SnTe films can be tuned by film thickness and Pb doping. The success in growing high quality SnTe thin films with tunable electronic structure is crucial for potential device applications. (C) 2013 Elsevier B.V. All rights reserved.
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