Effect of substrate on thermal conductivity of single-walled carbon nanotubes
Date
2009
Authors
Savin, Alexander
Hu, B
Kivshar, Yuri
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Les Editions de Physique
Abstract
We analyze numerically the thermal conductivity of single-walled carbon nanotubes placed on a flat rigid substrate. We demonstrate that the character of thermal conductivity depends crucially on the interaction between the nanotube and the substrate. In particular, we reveal that unlike the well-established anomalous thermal conductivity of isolated carbon nanotubes, the nanotube placed on a substrate demonstrates normal thermal conductivity due to the appearance of a narrow gap in the frequency spectrum of acoustic phonons.
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Europhysics Letters
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Journal article
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2037-12-31
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