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Electron exchange between an H− ion and a spherical cluster of aluminum atoms

✍ Scribed by D.K. Shestakov; T.Yu. Polivnikova; I.K. Gainullin; I.F. Urazgildin

Publisher: Elsevier Science
Year: 2009
Tongue: English
Weight: 474 KB
Volume: 267
Category: Article
ISSN: 0168-583X
DOI: 10.1016/j.nimb.2009.05.043

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✦ Synopsis

The resonant charge transfer (RCT) between a hydrogen anion and a cluster of aluminum atoms is investigated by means of the wave-packet propagation method that does not exploit the perturbation theory. The RCT on a spherical cluster is found to exhibit quantum size effects due to the finite size of the cluster. The survival amplitude of an ion state has been calculated as a function of the distance to the ion-surface in a normal collision. It is shown that depending on the velocity of the impinging particle, the cluster can behave either as a bulk metal or as a quantum structure with discrete energy states existing over two coordinates.

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