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Caesium sputter ion source compatible with commercial SIMS instruments

机译:铯溅射离子源与商用SIMS仪器兼容

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A simple design for a caesium sputter cluster ion source compatible with commercially available secondary ion mass spectrometers is reported. This source has been tested with the Cameca IMS 4f instrument using the cluster Si-n(-) and Cu-n(-) ions, and will shortly be retrofitted to the floating low energy ion gun (FLIG) of the type used on the Cameca 4500/4550 quadruple instruments. Our experiments with surface characterization and depth profiling conducted to date demonstrate improvements of analytical capabilities of the SIMS instrument due to the non-additive enhancement of secondary ion emission and shorter ion ranges of polyatomic projectiles compared to atomic ions with the same impact energy. (c) 2006 Elsevier B.V. All rights reserved.
机译:据报道,与市售的二次离子质谱仪兼容的铯溅射簇离子源的简单设计。该离子源已使用Cameca IMS 4f仪器使用簇Si-n(-)和Cu-n(-)离子进行了测试,不久后将被改装为浮动低能离子枪(FLIG) Cameca 4500/4550四重仪器。迄今为止,我们进行的表面表征和深度剖析实验证明,与具有相同冲击能的原子离子相比,由于二次离子发射的非累加增强以及多原子弹丸的离子范围更短,SIMS仪器的分析能力得到了改善。 (c)2006 Elsevier B.V.保留所有权利。

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