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	Jahn-Teller effect in the Nb planar atomic sheet; Nb二维原子薄片中的Jahn-Teller效应
	Chen, L. Z. ; Wang, X. C. ; Wen, Y. H. ; Zhu, Z. Z. ; Zhu ZZ(朱梓忠)
	2007-05
关键词	BRILLOUIN-ZONE INTEGRATIONS
英文摘要	The structural stability and electronic structures of Nb planar atomic sheets are studied by employing first-principles plane wave pseudopotential method based on the density functional theory. The calculations for all the 2-dimensional lattice structures show that, as a result of Jahn-Teller effect, the high-symmetry square and hexagonal two-dimensional structures are metastable. The most stable structures are the low-symmetry oblique and centered rectangular structures, which are the distorted structures of the hexagonal 2-D structure due to Jahn-Teller effect. The 2-D rectangular structure of Nb atomic sheet can not be formed. The relative structural stabilities, the electronic energy bands and the density of states are discussed based on the ab initio calculations and the Jahn-Teller effect.
语种	英语
内容类型	期刊论文
源URL	[http://dspace.xmu.edu.cn/handle/2288/69376]
专题	物理技术－已发表论文
推荐引用方式 GB/T 7714	Chen, L. Z.,Wang, X. C.,Wen, Y. H.,et al. Jahn-Teller effect in the Nb planar atomic sheet, Nb二维原子薄片中的Jahn-Teller效应[J],2007.
APA	Chen, L. Z.,Wang, X. C.,Wen, Y. H.,Zhu, Z. Z.,&朱梓忠.(2007).Jahn-Teller effect in the Nb planar atomic sheet..
MLA	Chen, L. Z.,et al."Jahn-Teller effect in the Nb planar atomic sheet".(2007).

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