Molecular dynamics study of radial pressure transmission in multiwalled carbon nanotubes

被引：7
|
作者：
Ye, X. [1 ]
Sun, D. Y.
Gong, X. G.
机构：
[1] Fudan Univ, Surface Phys Lab, Shanghai 200433, Peoples R China
[2] Fudan Univ, Dept Phys, Shanghai 200433, Peoples R China
[3] E China Normal Univ, Dept Phys, Shanghai 200062, Peoples R China
[4] E China Normal Univ, Key Lab Opt & Magnet Resonance Spect, Shanghai 200062, Peoples R China
来源：
PHYSICAL REVIEW B | 2007年 / 75卷 / 07期
关键词：
D O I：
10.1103/PhysRevB.75.073406
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The pressure response of multiwalled carbon nanotubes (MWCNTs) to the radial hydrostatic pressure is studied by using constant pressure molecular dynamics simulations for finite systems. The inner tube is effectively protected by the outer tube against the external pressure. The pressure transmission efficiency of MWCNTs depends upon both the size and morphology combination of the tubes. The larger the tube is, the higher the pressure transmission efficiency will be. The pressure transmission in commensurate MWCNTs is more efficient than that in incommensurate ones. Based on the present simulations, an experimental method is suggested for measuring the pressure transmission efficiency of MWCNTs.
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页数：4
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