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A Theoretical Evaluation of Specific Heat of Carbon Nanotubes as a Function of Temperature

L. P. Mishra and L. K. Mishra

Using the theoretical formalism of James Homes Science (2000), we have evaluated the temperature dependent specific heat of carbon nanotubes. From our theoretical results, it appears that at high temperature the specific heat of individual nanotubes are similar to that of 2D-graphene. The phonons contribution appears dominated at low temperature where linear T dependence of the specific heat is observed for SWNTs of small diameter < 2 nm. Our evaluated results are in good agreement with other theoretical workers and also with the experimental data.