Thermal Transport Measurements of Individual Multiwalled Nanotubes

P. Kim; L. Shi; A. Majumdar; P. L. McEuen

doi:10.1103/PhysRevLett.87.215502

Thermal Transport Measurements of Individual Multiwalled Nanotubes

P. Kim, L. Shi, A. Majumdar, and P. L. McEuen

Phys. Rev. Lett. 87, 215502 – Published 31 October 2001

Abstract

The thermal conductivity and thermoelectric power of a single carbon nanotube were measured using a microfabricated suspended device. The observed thermal conductivity is more than 3000 W/K m at room temperature, which is 2 orders of magnitude higher than the estimation from previous experiments that used macroscopic mat samples. The temperature dependence of the thermal conductivity of nanotubes exhibits a peak at 320 K due to the onset of umklapp phonon scattering. The measured thermoelectric power shows linear temperature dependence with a value of $80 μ V / K$ at room temperature.

Received 1 June 2001

DOI:https://doi.org/10.1103/PhysRevLett.87.215502

Authors & Affiliations

P. Kim¹, L. Shi², A. Majumdar², and P. L. McEuen^1,3,*

¹Department of Physics, University of California, Berkeley, California 94720
²Department of Mechanical Engineering, University of California, Berkeley, California 94720
³Division of Materials Sciences, Lawrence Berkeley National Laboratory, Berkeley, California 94720