Molecular dynamics simulations of organic SIMS with Cun (n=1-3) clusters

被引：0

作者：

Townes, JA ^{[1
]}

White, AK ^{[1
]}

Krantzman, KD ^{[1
]}

Garrison, BJ ^{[1
]}

机构：

[1] Coll Charleston, Dept Chem & Biochem, Charleston, SC 29424 USA

来源：

APPLICATION OF ACCELERATORS IN RESEARCH AND INDUSTRY, PTS 1 AND 2 | 1999年 / 475卷

关键词：

D O I：

暂无

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Molecular dynamics simulations have been performed to study the effect of cluster size on the emission yield and damage cross section in organic SIMS. A model system composed of a monolayer of biphenyl molecules on a Cu(001) substrate was bombarded with Cu-n (n=1-3) projectiles at kinetic energies of 0.100 keV per atom. The yield increases with cluster size, but a nonlinear enhancement in yield is not observed. The yield-to-damage ratio, on the other hand, increases with the use of clusters, indicating that clusters have the potential to improve the sensitivity of SIMS.

引用

页码：401 / 404

页数：4

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