Specific heat and quantized thermal conductance of single-walled boron nitride nanotubes

Y. Xiao; X. H. Yan; J. X. Cao; J. W. Ding; Y. L. Mao; J. Xiang

doi:10.1103/PhysRevB.69.205415

Specific heat and quantized thermal conductance of single-walled boron nitride nanotubes

Y. Xiao, X. H. Yan, J. X. Cao, J. W. Ding, Y. L. Mao, and J. Xiang

Phys. Rev. B 69, 205415 – Published 28 May 2004

Abstract

The thermal properties of single-walled boron nitride nanotubes are calculated. It is found that boron nitride nanotubes have a larger specific heat than that of carbon nanotubes. The fitting formulas for diameter and chirality dependence of specific heat at 300 K are given. Moreover, thermal conductance of single-walled boron nitride nanotubes exhibits a universal quantization at low temperature, which is independent of the diameter and chirality of nanotubes.

Received 31 August 2003

DOI:https://doi.org/10.1103/PhysRevB.69.205415

Authors & Affiliations

Y. Xiao¹, X. H. Yan^1,2,*, J. X. Cao¹, J. W. Ding¹, Y. L. Mao¹, and J. Xiang¹

¹Department of Physics & Institute of Modern Physics, Xiangtan University, Xiangtan 411105, Hunan, China
²Interdisciplinary Center of Theoretical Studies and Institute of Theoretical Physics, CAS, Beijing 10080, China

^*Corresponding author. Email address: xhyan@xtu.edu.cn

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Vol. 69, Iss. 20 — 15 May 2004

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