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Direct observation and theory of trajectory-dependent electronic energy losses in medium-energy ion scattering

By A. Hentz, G. S. Parkinson, P. D. Quinn, M. A. Muñoz-Márquez, D. P. Woodruff, P. L. Grande, G. Schiwietz, P. Bailey and T. C. Q. Noakes

Abstract

The energy spectrum associated with scattering of 100 keV H+ ions from the outermost few atomic layers of Cu(111) in different scattering geometries provides direct evidence of trajectory-dependent electronic energy loss. Theoretical simulations, combining standard Monte Carlo calculations of the elastic scattering trajectories with coupled-channel calculations to describe inner-shell ionization and excitation as a function of impact parameter, reproduce the effects well and provide a means for far more complete analysis of medium-energy ion scattering data

Topics: QC
Publisher: American Physical Society
Year: 2009
OAI identifier: oai:wrap.warwick.ac.uk:2695

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