Abstract

Starting from a microscopic description of the ion-induced kinetic electron emission based on the transport equation formalism the role of different excitation and scattering mechanisms is investigated. Besides the excitation of single conduction and inner shell electrons the indirect excitation of conduction electrons by plasmon decay and Auger processes is taken into account. A very extended range of impact energies (from 10 keV to 10 MeV for proton impact) will be considered. The role of different scattering processes (elastic, inelastic) which determine the transport of excited electrons towards the surface is discussed in relation to the special features shown by the various excitation processes.

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