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Nano Lett. 2005 Sep;5(9):1842-6.

Thermal conductance and thermopower of an individual single-wall carbon nanotube.

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1
Department of Mechanical Engineering and Physics, Center for Nano and Molecular Science and Technology, Texas Materials Institute, The University of Texas at Austin, Austin, Texas 78712, USA.

Abstract

We have observed experimentally that the thermal conductance of a 2.76-microm-long individual suspended single-wall carbon nanotube (SWCNT) was very close to the calculated ballistic thermal conductance of a 1-nm-diameter SWCNT without showing signatures of phonon-phonon Umklapp scattering for temperatures between 110 and 300 K. Although the observed thermopower of the SWCNT can be attributed to a linear diffusion contribution and a constant phonon drag effect, there could be an additional contact effect.

PMID:
16159235
DOI:
10.1021/nl051044e
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