Thermal conductivity of deformed carbon nanotubes

Details Thermal conductivity of deformed carbon nanotubes Thermal conductivity of deformed carbon nanotubes

2011-10-22

arxiv.org/abs/1110.4941v1

J. Appl. Phys. 109, 074317 (2011)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

6figures

Scientific paper

We investigate the thermal conductivity of four types of deformed carbon nanotubes by using the nonequilibrium molecular dynamics method. It is reported that various deformations have different influence on the thermal properties of carbon nanotubes. For the bending carbon nanotubes, the thermal conductivity is independent on the bending angle. However, the thermal conductivity increases lightly with XY-distortion and decreases rapidly with Z-distortion. The thermal conductivity does not change with the screw ratio before the breaking of carbon nanotubes but decreases sharply after the critical screw ratio.

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