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

Yu, Choongho; Shi, Li; Yao, Zhen; Li, Deyu; Majumdar, Arunava · Nano Lett · 2005

basic_science · Level V

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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.