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	Thermal conductivity of dielectric nanowires with different cross-section shapes
	Gu Xiao-Kun ; Cao Bing-Yang
	2010-05-07 ; 2010-05-07
关键词	thermal conductivity nanowire phonon kinetic theory molecular dynamics MOLECULAR-DYNAMICS SIMULATION PHONON HEAT-CONDUCTION NANOSTRUCTURES FILMS Physics, Multidisciplinary
中文摘要	Non-equilibrium molecular dynamics simulations have been performed to investigate the effect of the cross-section shape on the thermal conductivity of argon nanowires. Some typical cross-section shapes, such as triangle, square, pentagon, hexagon and circle, are carefully explored. The simulation results show that with the same cross-sectional area of the regular polygons, the thermal conductivities decrease with the reduction of the sides of the polygons, and the thermal conductivity of the circular nanowire is larger than those of the other polygonal ones. Phonon gas kinetic theory is used to analyse the phonon transport in nanowires, and the concept of equivalent diameter is proposed to illustrate the characteristic dimension of the none-circular cross-section.
语种	英语 ; 英语
出版者	IOP PUBLISHING LTD ; BRISTOL ; DIRAC HOUSE, TEMPLE BACK, BRISTOL BS1 6BE, ENGLAND
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/16030]
专题	清华大学
推荐引用方式 GB/T 7714	Gu Xiao-Kun,Cao Bing-Yang. Thermal conductivity of dielectric nanowires with different cross-section shapes[J],2010, 2010.
APA	Gu Xiao-Kun,&Cao Bing-Yang.(2010).Thermal conductivity of dielectric nanowires with different cross-section shapes..
MLA	Gu Xiao-Kun,et al."Thermal conductivity of dielectric nanowires with different cross-section shapes".(2010).

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