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Coil formation in multishell carbon nanotubes: Competition between curvature elasticity and interlayer adhesion
ZhongCan, OY; Su, ZB; Wang, CL; ZhongCan, OY , CHINESE ACAD SCI,INST THEORET PHYS,POB 2735,BEIJING 100080,PEOPLES R CHINA.
1997
发表期刊PHYSICAL REVIEW LETTERS
ISSN0031-9007
卷号78期号:21页码:4055-4058
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.
部门归属CHINA CTR ADV SCI & TECHNOL,WORLD LAB,BEIJING 100080,PEOPLES R CHINA
关键词Graphitic Carbon Pyrolytic-graphite Isotropic-phase Equilibrium Fullerenes
学科领域Physics
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收录类别SCI
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/12477
专题理论物理所1978-2010年知识产出
通讯作者ZhongCan, OY , CHINESE ACAD SCI,INST THEORET PHYS,POB 2735,BEIJING 100080,PEOPLES R CHINA.
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GB/T 7714
ZhongCan, OY,Su, ZB,Wang, CL,et al. Coil formation in multishell carbon nanotubes: Competition between curvature elasticity and interlayer adhesion[J]. PHYSICAL REVIEW LETTERS,1997,78(21):4055-4058.
APA ZhongCan, OY,Su, ZB,Wang, CL,&ZhongCan, OY , CHINESE ACAD SCI,INST THEORET PHYS,POB 2735,BEIJING 100080,PEOPLES R CHINA..(1997).Coil formation in multishell carbon nanotubes: Competition between curvature elasticity and interlayer adhesion.PHYSICAL REVIEW LETTERS,78(21),4055-4058.
MLA ZhongCan, OY,et al."Coil formation in multishell carbon nanotubes: Competition between curvature elasticity and interlayer adhesion".PHYSICAL REVIEW LETTERS 78.21(1997):4055-4058.
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