Open AccessPhonon spectra and specific heat calculation of single wall carbon nanotube
Author(s) -
Yanzhao Wu,
Ning Xie,
Liu Jian-Jing,
Jiao Yong-Fang
Publication year - 2009
Publication title -
wuli xuebao
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.199
H-Index - 47
ISSN - 1000-3290
DOI - 10.7498/aps.58.7787
Subject(s) - carbon nanotube , materials science , phonon , spectral line , constant (computer programming) , tube (container) , molecular physics , nanotube , condensed matter physics , carbon fibers , thermodynamics , nanotechnology , composite material , chemistry , physics , quantum mechanics , composite number , computer science , programming language
In this paper, the phonon spectra of infinite length single-wall carbon nanotubes are calculated based on the force constant model. The dependence of specific heat on the tube diameter and temperature is discussed. It is found that the specific heat will increase with increasing temperature and In this paper, the phonon spectra of infinite length single-wall carbon nanotubes are calculated based on the force constant model. The dependence of specific heat on the tube diameter and temperature is discussed. It is found that the specific heat will increase with increasing temperature and diameter and approaches to a constant value. Also, the vibrational spectra of the finite length 5,5 carbon nanotube are calculated. The relationships between the vibrational frequency and length are presented for some particularly modes.diameter and approaches to a constant value. Also, the vibrational spectra of the finite length 5,5 carbon