惰性气体离子与镁表面碰撞的激发过程

S. Lacombe, L. Guillemot, M. Huels , T. Vu Ngoc, V.A. Esaulov
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引用次数: 6

摘要

本文介绍了低keV惰性气体离子与镁表面碰撞的角度分辨电子能谱研究结果。证明了抛射自离态的产生不仅存在于先前已知的Ne情况下,也存在于He情况下。评述了这些态在离子产生中的作用。分析了自电离峰线形的特点,提出了一种获得非弹性散射离子角分布的方法。
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Excitation processes in collisions of inert gas ions with a Mg surface

Results of an angle resolved electron spectroscopy study of low keV inert gas ion collisions with a Mg surface are presented. Production of projectile autoionising states is demonstrated to exist not only for the previously known Ne case but also for He. The role of these states in ion production is commented. The characteristics of autoionising peak lineshapes are analysed and suggest a method of obtaining angular distributions of inelastically scattered ions.

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