Van der Waals Interaction between Two Crossed Carbon Nanotubes

被引:100
作者
Zhbanov, Alexander I. [1 ,2 ]
Pogorelov, Evgeny G. [1 ]
Chang, Yia-Chung [1 ]
机构
[1] Acad Sinica, Res Ctr Appl Sci, Taipei 115, Taiwan
[2] GIST, Dept Mechatron, Kwangju 500712, South Korea
关键词
carbon nanotubes; van der Waals interaction; Lennard-Jones potential; smeared-out approximation; equilibrium distance; DISPERSION CORRECTIONS; RADIAL DEFORMATION; FORCES; MOLECULES; STABILITY; ENERGY; MEMORY; ATOMS; C-60;
D O I
10.1021/nn100731u
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
The analytical expressions for the van der Waals potential energy and force between two crossed carbon nanotubes are presented. The Lennard-Jones potential between pairs of carbon atoms and the smeared-out approximation suggested by L. A. Girifalco (J Phys. Chem. 1992, 96, 858) were used. The exact formula is expressed in terms of rational and elliptical functions. The potential and force for carbon nanotubes were calculated. The uniform potential curves for single- and multiwall nanotubes were plotted. The equilibrium distance, maximal attractive force, and potential energy have been evaluated.
引用
收藏
页码:5937 / 5945
页数:9
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