Thermal Conductivity of Nanotubes: Effects of Chirality and Isotope Impurity

Details Thermal Conductivity of Nanotubes: Effects of Chirality and Isotope Impurity Thermal Conductivity of Nanotubes: Effects of Chirality and Isotope Impurity

2005-01-10

arxiv.org/abs/cond-mat/0501194v2

Journal of Physical Chemistry B 109, 23823-23826 (2005)

Physics

Condensed Matter

Materials Science

4 pages, 4 eps figures included. Submitted to PRB

Scientific paper

We study the dependence of thermal conductivity of single walled nanotubes (SWNT) on chirality and isotope impurity by nonequilibrium molecular dynamics method with accurate potentials. It is found that, contrary to electronic conductivity, the thermal conductivity is insensitive to the chirality. The isotope impurity, however, can reduce the thermal conductivity up to 60% and change the temperature dependence behavior. We also study the dependence of thermal conductivity on tube length for tubes of different radius at different temperatures.

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