Electronic and magnetic properties of silicon adsorption on graphene

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	Electronic and magnetic properties of silicon adsorption on graphene
	Hu, C. H. ; Zheng, Y. ; Zhang, Y. ; Wu, S. Q. ; Wen, Y. H. ; Zhu, Z. Z. ; Zhu ZZ(朱梓忠)
刊名	http://dx.doi.org/10.1016/j.ssc.2011.05.027
	2011-09
关键词	TOTAL-ENERGY CALCULATIONS WAVE BASIS-SET MOLECULES GRAPHITE
英文摘要	National 973 Program of China [2007CB209702]; National Natural Science Foundation of China [11004165]; Natural Science Foundation of Fujian Province of China [2008J04018]; Graphene has proved to be extremely sensitive to its surrounding environment, such as the supporting substrate and guest adatoms. In this work, the structural stabilities, and electronic and magnetic properties of graphene with low-coverage adsorption of Si atoms and dimers are studied using a first-principles method. Our results show that graphene with Si adatoms is metallic and magnetic with a tiny structural change in the graphene, while graphene with Si addimers is semi-metallic and nonmagnetic with a visible deformation of the graphene. The spin-polarized density of states is calculated in order to identify the electronic origin of the magnetic and nonmagnetic states. The present results suggest that the electronic and magnetic behaviors of graphene can be tuned simply via Si adsorptions. (C) 2011 Elsevier Ltd. All rights reserved.
语种	英语
内容类型	期刊论文
源URL	[http://dspace.xmu.edu.cn/handle/2288/69314]
专题	物理技术－已发表论文
推荐引用方式 GB/T 7714	Hu, C. H.,Zheng, Y.,Zhang, Y.,et al. Electronic and magnetic properties of silicon adsorption on graphene[J]. http://dx.doi.org/10.1016/j.ssc.2011.05.027,2011.
APA	Hu, C. H..,Zheng, Y..,Zhang, Y..,Wu, S. Q..,Wen, Y. H..,...&朱梓忠.(2011).Electronic and magnetic properties of silicon adsorption on graphene.http://dx.doi.org/10.1016/j.ssc.2011.05.027.
MLA	Hu, C. H.,et al."Electronic and magnetic properties of silicon adsorption on graphene".http://dx.doi.org/10.1016/j.ssc.2011.05.027 (2011).