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Charge transfer and energy loss of highly charged ions and molecular ions at surfaces

Objective



One of the principal aims is to extract scme of the key experimental parameters resulting from scattering highly charged ions off surfaces, i.e. the moments of the energy loss distribution (mean energy loss, straggling, skewness), possibly the complete energy loss spectrum, and charge state distributions, for some simple model systems. The dependence of these quantities on the incident charge state, Z1, on the electronic configuration of the hollow atom, and on the electron density distribution at the target surface will be investigated. Crystallographic dependencies will be investigated by using a Monte-Carlo type program.
The large number of charge states involved is an intrinsic property of HCI and thus these systems might be well suited for a statistical description. The next step towards more complex systems is to describe molecular ions that give as an additional experimental output the yield of the dissociated and surviving molecules.

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Coordinator

THE UNIVERSITY OF THE BASQUE COUNTRY
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3,Paseo Ramon de Lardizabal 3
20009 SAN SEBASTIAN
Spain

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