Thermal Conductance for Single Wall Carbon Nanotubes

Details Thermal Conductance for Single Wall Carbon Nanotubes Thermal Conductance for Single Wall Carbon Nanotubes

2002-10-18

arxiv.org/abs/cond-mat/0210395v1

Eur. Phys. J. B25, 233-238 (2002)

Physics

Condensed Matter

Strongly Correlated Electrons

Revtex, 4 figures

Scientific paper

10.1140/epjb/e20020026

We report a theoretical analysis of the phonon thermal conductance, \kappa (T), for single wall carbon nanotubes (SWCN). In a range of low temperatues up to 100K, \kappa (T) of perfect SWCN is found to increase with temperature, approximately, in a parabolic fashion. This is qualitatively consistent with recent experimental measurements where the tube-tube interactions are negligibly weak. When the carbon-carbon bond length is slightly varied, \kappa (T) is found to be qualitatively unaltered which implies that the anharmonic effect does not change the qualitative behavior of \kappa (T).

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