Silicene: from monolayer to multilayer–A concise review

doi:10.1088/1674-1056/24/8/086102

摘要/Abstract

摘要：

Silicene, a newly isolated silicon allotrope with a two-dimensional (2D) honeycomb lattice structure, is predicted to have electronic properties similar to those of graphene, including the existence of signature Dirac fermions. Furthermore, the strong spin–orbit interaction of Si atoms potentially makes silicene an experimentally accessible 2D topological insulator. Since 2012, silicene films have been experimentally synthesized on Ag (111) and other substrates, motivating a burst of research on silicene. We and collaborators have employed STM investigations and first principles calculations to intensively study the structure and electronic properties of silicene films on Ag (111), including monolayer, bilayer, and multilayer silicenes, as well as hydrogenation of silicene.

关键词: silicene, STM, STS, first principles calculation

Abstract:

Key words: silicene, STM, STS, first principles calculation

中图分类号: (Structure of nanoscale materials)

61.46.-w

68.37.Ef (Scanning tunneling microscopy (including chemistry induced with STM)) 73.22.-f (Electronic structure of nanoscale materials and related systems) 81.05.Zx (New materials: theory, design, and fabrication)

李晖, 付会霞, 孟胜. Silicene: from monolayer to multilayer–A concise review[J]. 中国物理B, 2015, 24(8): 86102-086102.

Li Hui (李晖), Fu Hui-Xia (付会霞), Meng Sheng (孟胜). Silicene: from monolayer to multilayer–A concise review[J]. Chin. Phys. B, 2015, 24(8): 86102-086102.

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