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

页码：6689 / 6696

页数：8

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