Copper nanocluster diffusion in carbon nanotube

被引：75

作者：

Hwang, HJ

Kwon, OK

Kang, JW

机构：

[1] Chung Ang Univ, Dept Elect Engn, Seoul 156756, South Korea

[2] Semyung Univ, Dept eCommerce, Jecheon 390711, South Korea

来源：

SOLID STATE COMMUNICATIONS | 2004年 / 129卷 / 11期

关键词：

nanotubes; nanostructures; metals; crystal growth; thermodynamic properties;

D O I：

10.1016/j.ssc.2003.12.033

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

The diffusion of copper nanocluster in carbon nanotube was investigated using a classical molecular dynamics simulation and three empirical potential functions. The results indicated a growth mechanism of the copper-filled ultra-thin carbon nanotubes: the copper nanoclusters inserted into carbon nanotubes swiftly migrate along the tube axis, and then the copper nanowires grow in the ultra-thin carbon nanotubes. Periodic energy barriers in the carbon nanotubes induced the directional movement of copper nanoclusters in the carbon nanotubes. The diffusion speeds of copper nanocluster in the carbon nanotube showed the Arrherius relation. (C) 2004 Elsevier Ltd. All rights reserved.

引用

收藏

页码：687 / 690

页数：4

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