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Non-Linear Electronic Effects in Cluster-Solid Interactions

Parilis, E. (2003) Non-Linear Electronic Effects in Cluster-Solid Interactions. In: Application of Accelerators in Research and Industry. AIP Conference Proceedings. No.680. American Institute of Physics , Melville, N.Y. , pp. 707-710. ISBN 0-7354-0149-7.

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A review will be given of the effects of non- additivity under impacts of clusters, observed only in a variety of electronic energy loss phenomena. They include electron emission, luminescence, projectile charge state formation, electron-hole pairs generation causing the surface barrier detector response and the high-energy part of the secondary ion emission under cluster impacts. The sublinear effects consist in decreasing the yields per one incident atom with increasing number of cluster constituents at the same velocity. The ratio of the yields R_n = Y_n/nY_1, being the measure of the effect, is less than 1 and usually decreases with increasing projectile velocity, and the number of atoms in the cluster n. The reduction is caused by the mechanism of sweeping - out - electrons, that removes some electrons from the cluster trek in binary collisions between the front running cluster atoms and the target atoms, leaving fewer available for the tailing ones.

Item Type:Book Section
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Additional Information:© 2003 American Institute of Physics. Issue Date: 26 August 2003.
Subject Keywords:atomic clusters, impact testing, nonlinear systems, solids, surface collisions, luminescence, secondary electron emission
Series Name:AIP Conference Proceedings
Issue or Number:680
Classification Code:PACS: 36.40.-c; 68.49.Fg; 79.20.Uv; 78.55.-m
Record Number:CaltechAUTHORS:20111026-112411868
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Official Citation:Non-Linear Electronic Effects in Cluster-Solid Interactions E. Parilis, AIP Conf. Proc. 680, 707 (2003), DOI:10.1063/1.1619812
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:27450
Deposited By: Ruth Sustaita
Deposited On:26 Oct 2011 18:43
Last Modified:09 Nov 2021 16:48

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