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题名: Ring formation of single-walled carbon nanotubes: Competition between conformation energy and entropy
作者: Zhang, SL ;  Zhao, SM ;  Xia, MG ;  Zhang, EH ;  Xu, T
刊名: PHYSICAL REVIEW B
出版日期: 2003
卷号: 68, 期号:24, 页码:-
关键词: GRAPHITIC CARBON ;  TOROIDAL FORMS ;  ELECTRONIC-PROPERTIES ;  TORI ;  ENERGETICS ;  CURVATURE ;  ROPES
学科分类: Physics
通讯作者: Zhang, SL , Xian Jiaotong Univ, Dept Appl Phys, Xian 710049, Peoples R China.
部门归属: Xian Jiaotong Univ, Dept Appl Phys, Xian 710049, Peoples R China; Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China
英文摘要: We investigate ring formation of single-walled carbon nanotubes theoretically in this paper. The conformation energy of the nanotubes is identified as the curvature elastic energy of a curved graphite and the intertube van der Waals interaction. The entropy of ring nanotubes depends on the total number of carbon atoms. Assuming continuity, we find that the ring single-walled carbon nanotube is stable only when the radius of the tube is valued 6.958 Angstrom. The ring diameter ranges from 200 to 700 nm.
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000188391900092
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/14172
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Recommended Citation:
Zhang, SL,Zhao, SM,Xia, MG,et al. Ring formation of single-walled carbon nanotubes: Competition between conformation energy and entropy[J]. PHYSICAL REVIEW B,2003,68(24):-.
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