Lattice dynamics of single-walled carbon nanotubes

被引：93

作者：

Popov, VN

Van Doren, VE

Balkanski, M

机构：

[1] Univ Antwerp, Ruca, B-2020 Antwerp, Belgium

[2] Univ Paris 06, F-75252 Paris 05, France

来源：

PHYSICAL REVIEW B | 1999年 / 59卷 / 13期

关键词：

D O I：

10.1103/PhysRevB.59.8355

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In this paper, the theory of lattice dynamics of single-walled carbon nanotubes is presented. The screw symmetry of the system is used to reduce the rank of the dynamical matrix to six, independent of the number of atoms in the unit cell. Calculations of the lattice dynamics are carried out within a valence force field model and of the Raman intensity-within a bond-polarizability model. It is found that the breathing mode frequency is inversely proportional to the radius of the tube that can be used for the characterization of the samples on the basis of Raman-scattering data. The results for the Raman intensity are compared to available Raman spectra. [S0163-1829(98)06434-0].

引用

页码：8355 / 8358

页数：4

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