Please use this identifier to cite or link to this item: https://physrep.ff.bg.ac.rs/handle/123456789/290
Title: Phonons in narrow carbon nanotubes
Authors: Milošević, Ivanka 
Dobardžić, Edib
Damnjanović, Milan 
Issue Date: 15-Aug-2005
Journal: Physical Review B - Condensed Matter and Materials Physics
Abstract: 
Accurate calculations of the phonon dispersion relations, phonon density of states, and phonon eigenvectors of the narrow single-wall carbon nanotubes in optimized geometry are carried out. The method applied is based on the force constants for graphene which reflect the long-range character of the dynamical matrix. Further, the relaxation and symmetry imposed modifications of the force constants are performed and the calculations are carried out by means of the fully symmetry implemented POLSym code. Shortcomings of the widely used frozen phonon model are overcome. The results obtained are compared to the Raman scattering measurements on the zeolite-grown nanotubes. © 2005 The American Physical Society.
URI: https://physrep.ff.bg.ac.rs/handle/123456789/290
ISSN: 1098-0121
DOI: 10.1103/PhysRevB.72.085426
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