Lattice dynamics study of zigzag and armchair carbon nanotubes

被引：39
作者：
Charlier, A
McRae, E
Charlier, MF
Spire, A
Forster, S
机构：
[1] Lab Phys Solide, F-57078 Metz 03, France
[2] URA 158, Lab Chim Solide Mineral, F-54506 Vandoeuvre Nancy, France
来源：
PHYSICAL REVIEW B | 1998年 / 57卷 / 11期
关键词：
D O I：
10.1103/PhysRevB.57.6689
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We propose a very simple model of lattice dynamics of carbon nanotubes. Using a De Launay model, the atomic force constants and phonon density of states are given as functions of the nanotube radius. Elastic constants, a Young modulus, and Poisson ratio are derived from phonon dispersion curves for a homogeneous deformation.
引用
收藏
页码：6689 / 6696
页数：8
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