Raman evidence for atomic correlation between the two constituent tubes in double-walled carbon nanotubes

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	Raman evidence for atomic correlation between the two constituent tubes in double-walled carbon nanotubes
	Tan PH
刊名	physical review b
	2006
卷号	73 期号:11 页码:art.no.115430
关键词	DIAMETER DISTRIBUTION D-BAND SCATTERING SPECTROSCOPY GRAPHITE ORIGIN
ISSN号	1098-0121
通讯作者	cheng, hm, chinese acad sci, shenyang natl lab mat sci, inst met res, shenyang 110016, peoples r china. e-mail: cheng@imr.ac.cn
中文摘要	four well-resolved peaks with very narrow linewidths were found in the d-band and g'-band features of double-walled carbon nanotubes (dwnts). this fact implies the occurrence of additional van hove singularities (vhss) in the joint density of states (jdos) of dwnts, which is consistent with theoretical calculations. according to their peak frequencies and theoretical analysis, the two outer peaks can be deduced to originate from a strong coupling between the two constituent tubes of commensurate dwnts and the two inner peaks were curvature-related and assigned to originate from the two tubes with a weak coupling. this observation and elucidation constitute the first raman evidence for atomic correlation and the resulting electronic structure change of the two constituent tubes in dwnts. this result opens the possibility of predicting and modifying the electronic properties of dwnts for their electronic applications.
学科主题	半导体物理
收录类别	SCI
语种	英语
公开日期	2010-04-11
内容类型	期刊论文
源URL	[http://ir.semi.ac.cn/handle/172111/10750]
专题	半导体研究所_中国科学院半导体研究所（2009年前）
推荐引用方式 GB/T 7714	Tan PH. Raman evidence for atomic correlation between the two constituent tubes in double-walled carbon nanotubes[J]. physical review b,2006,73(11):art.no.115430.
APA	Tan PH.(2006).Raman evidence for atomic correlation between the two constituent tubes in double-walled carbon nanotubes.physical review b,73(11),art.no.115430.
MLA	Tan PH."Raman evidence for atomic correlation between the two constituent tubes in double-walled carbon nanotubes".physical review b 73.11(2006):art.no.115430.