期刊
SCIENTIFIC REPORTS
卷 3, 期 -, 页码 -出版社
NATURE RESEARCH
DOI: 10.1038/srep02908
关键词
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资金
- NKBRSFC [2011CB921502, 2012CB821305, 2010CB922904]
- NSFC [11228409, 61227902]
Silicene is an intriguing 2D topological material which is closely analogous to graphene but with stronger spin orbit coupling effect and natural compatibility with current silicon-based electronics industry. Here we demonstrate that silicene decorated with certain 3d transition metals (Vanadium) can sustain a stable quantum anomalous Hall effect using both analytical model and first-principles Wannier interpolation. We also predict the quantum valley Hall effect and electrically tunable topological states could be realized in certain transition metal doped silicene where the energy band inversion occurs. Our findings provide new scheme for the realization of quantum anomalous Hall effect and platform for electrically controllable topological states which are highly desirable for future nanoelectronics and spintronics application.
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