Energetic impact of size-selected metal cluster ions on graphite

被引：74

作者：

Carroll, SJ ^{[1
]}

Hall, SG

Palmer, RE

Smith, R

机构：

[1] Univ Birmingham, Sch Phys & Astron, Nanoscale Phys Res Lab, Birmingham B15 2TT, W Midlands, England

[2] Loughborough Univ Technol, Dept Math Sci, Loughborough LE11 3TU, Leics, England

来源：

PHYSICAL REVIEW LETTERS | 1998年 / 81卷 / 17期

关键词：

D O I：

10.1103/PhysRevLett.81.3715

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We have investigated the impact of size-selected metal cluster ions (Ag-n(-)) on a covalently bonded substrate (graphite) over the energy range 15-1500 eV by a combination of scanning tunneling microscopy and molecular dynamics simulations. The key result is that the fate of the cluster (penetration into the surface versus diffusion and aggregation on the surface), at intermediate energies, depends on the lateral localization of the cluster kinetic energy at specific surface sites and thus, for small clusters, on the orientation of the cluster and the target substrate site. [S0031-9007(98)07519-X].

引用

页码：3715 / 3718

页数：4

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