Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/4748
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Title: Thermal conductivity of an ultrathin carbon nanotube with an X-shaped junction
Authors: Meng, FY
Ogata, S
Xu, DS
Shibutani, Y
Shi, SQ 
Issue Date: 15-May-2007
Source: Physical review. B, Condensed matter and materials physics, 15 May 2007, v. 75, no. 20, 205403, p. 1-6
Abstract: The thermal conductivity of the ultrathin carbon nanotube with and without an X-shaped junction was investigated using nonequilibrium molecular-dynamics simulations. The ultrathin carbon nanotube exhibits superhigh thermal conductivity. The thermal conductivity of the nanotube with junctions was 20–80% less than that of a straight nanotube depending on temperature. There is a jump in the temperature profile around the junction, contributing to a larger temperature gradient and reduction in the thermal conductivity. The thermal conductivity of armchair nanotube junctions is sensitive to the topological structures at the junction region.
Keywords: Carbon nanotubes
Molecular dynamics method
Thermal conductivity
Publisher: American Physical Society
Journal: Physical review. B, Condensed matter and materials physics 
ISSN: 1098-0121
EISSN: 1550-235X
DOI: 10.1103/PhysRevB.75.205403
Rights: Physical Review B © 2007 The American Physical Society. The Journal's web site is located at http://prb.aps.org/
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