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Title: Thermal rectifiers from deformed carbonnanohorns
Authors: Wu, G. 
Li, B. 
Issue Date: 30-Apr-2008
Citation: Wu, G., Li, B. (2008-04-30). Thermal rectifiers from deformed carbonnanohorns. Journal of Physics Condensed Matter 20 (17) : -. ScholarBank@NUS Repository.
Abstract: We study thermal rectification in single-walled carbon nanohorns (SWNHs) by using a non-equilibrium molecular dynamics (MD) method. It is found that the horns with the bigger top angles show larger asymmetric heat transport due to the larger structural gradient distribution. This kind of gradient behavior can be further adjusted by applying external strain on the SWNHs. After being carefully elongated along the axial direction, thermal rectification in the elongated SWNHs can become more obvious than that in undeformed SWNHs. The maximum rectification efficiency of SWNHs is much bigger than that of carbon nanotube intramolecular junctions. © 2008 IOP Publishing Ltd.
Source Title: Journal of Physics Condensed Matter
ISSN: 09538984
DOI: 10.1088/0953-8984/20/17/175211
Appears in Collections:Staff Publications

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