Thermal conductivity of an ultrathin carbon nanotube with an X-shaped junction

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	Thermal conductivity of an ultrathin carbon nanotube with an X-shaped junction
	F. Y. Meng; S. Ogata; D. S. Xu; Y. Shibutani; S. Q. Shi
	2007
发表期刊	Physical Review B
ISSN	1098-0121
卷号	75 期号:20
摘要	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.
部门归属	osaka univ, dept mech engn, suita, osaka 5650871, japan. osaka univ, ctr atom & mol technol, suita, osaka 5650871, japan. chinese acad sci, inst met res, shenyang 110016, peoples r china. hong kong polytech univ, dept mech engn, hong kong, hong kong, peoples r china.;meng, fy (reprint author), osaka univ, dept mech engn, 2-1 yamadaoka, suita, osaka 5650871, japan;meng@comec.mech.eng.osakau.ac.jp ogata@mech.eng.osaka-u.ac.jp
关键词	Molecular-dynamics Simulation Y-junctions Transport-properties Graphitic Carbon Heat-conduction Temperature Schwarzites Dependence
URL	查看原文
WOS记录号	WOS:000246890900104
引用统计	被引频次：28[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/33758
专题	中国科学院金属研究所
推荐引用方式 GB/T 7714	F. Y. Meng,S. Ogata,D. S. Xu,et al. Thermal conductivity of an ultrathin carbon nanotube with an X-shaped junction[J]. Physical Review B,2007,75(20).
APA	F. Y. Meng,S. Ogata,D. S. Xu,Y. Shibutani,&S. Q. Shi.(2007).Thermal conductivity of an ultrathin carbon nanotube with an X-shaped junction.Physical Review B,75(20).
MLA	F. Y. Meng,et al."Thermal conductivity of an ultrathin carbon nanotube with an X-shaped junction".Physical Review B 75.20(2007).