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题名: Coil formation in multishell carbon nanotubes: Competition between curvature elasticity and interlayer adhesion
作者: ZhongCan, OY ;  Su, ZB ;  Wang, CL
刊名: PHYSICAL REVIEW LETTERS
出版日期: 1997
卷号: 78, 期号:21, 页码:4055-4058
关键词: GRAPHITIC CARBON ;  PYROLYTIC-GRAPHITE ;  ISOTROPIC-PHASE ;  EQUILIBRIUM ;  FULLERENES
学科分类: Physics
通讯作者: ZhongCan, OY , CHINESE ACAD SCI,INST THEORET PHYS,POB 2735,BEIJING 100080,PEOPLES R CHINA.
部门归属: CHINA CTR ADV SCI & TECHNOL,WORLD LAB,BEIJING 100080,PEOPLES R CHINA
英文摘要: To study the shape formation process of carbon nanotubes, a string equation describing the possible existing shapes of the axis curve of multishell carbon tubes (MCTs) is obtained in the continuum limit by minimizing the shape energy. It is shown that there exists a threshold relation of the outmost and inmost radii that gives a parameter regime in which a straight MCT will be bent or twisted. Among the deformed shapes, the regular coiled MCTs are shown to be one of the solutions of the string equation. In particular, the optimal ratio of pitch p and radius r(0) for such a coil is found to be equal to 2 pi, which is in good agreement with recent observation of coil formation in MCTs by Zhang et al.
收录类别: SCI
原文出处: 查看原文
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/12477
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:
ZhongCan, OY,Su, ZB,Wang, CL. Coil formation in multishell carbon nanotubes: Competition between curvature elasticity and interlayer adhesion[J]. PHYSICAL REVIEW LETTERS,1997,78(21):4055-4058.
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