Deposition of small Cu and Au clusters on Cu(001) surface: Structure characteristic

被引：10

作者：

Xu, Y ^{[1
]}

Pan, ZY

Wang, YX

机构：

[1] Fudan Univ, Inst Modern Phys, State Key Lab Mat Modificat Laser Ion & Electron, Shanghai 200433, Peoples R China

[2] Chinese Acad Sci, Shanghai Inst Met, Ion Beam Lab, Beijing 100864, Peoples R China

来源：

MODERN PHYSICS LETTERS B | 2001年 / 15卷 / 14期

基金：

中国国家自然科学基金;

关键词：

D O I：

10.1142/S0217984901001926

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Deposition of small Cu and Au clusters on a Cu(001) surface was studied by molecular dynamics simulation using Finnis-Sinclair tight-binding potential. The impact energy varied from 0.1 to 6.0 eV/atom. The adlayer structure was found to be dependent on the specific substrate and projectile materials. The structure rearrangement of supported clusters on the surface was observed for both Cu and Au clusters. The Cu adlayer has a good fcc structure as that of substrate. However, the nanostructure was found for Au adlayer on a Cu(001) surface. Our results axe consistent with other reports that the nanostructure is mainly caused by the lattice-parameter mismatch. Besides that, the cluster size and the impact energy are the key parameters that can affect the morphology of deposited films.

引用

页码：455 / 462

页数：8

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