Silicene: from monolayer to multilayer–A concise review

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

Abstract

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.

Keywords: silicene STM STS first principles calculation

Received: 13 March 2015
Revised: 20 May 2015
Accepted manuscript online:

PACS:	61.46.-w	(Structure of nanoscale materials)
	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)

Corresponding Authors: Li Hui
E-mail: huili8@iphy.ac.cn

Cite this article:

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

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Silicene: from monolayer to multilayer–A concise review

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