Journal
PHYSICAL REVIEW B
Volume 84, Issue 16, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.84.165428
Keywords
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Funding
- Austrian Science Fund FWF [P20831, P19595]
- Spanish Ministerio de Ciencia e Innovacion [FIS2008-04209]
- Austrian Science Fund (FWF) [P19595, P20831] Funding Source: Austrian Science Fund (FWF)
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A comparative study of Auger neutralization (AN) of He ions at noble metal surfaces is presented in order to reveal how the electronic structure of the sample influences this charge exchange process. Comparison of calculated ion fractions to experimental data obtained in low energy ion scattering (LEIS) shows that good agreement is achieved only if the relevant aspects of the He-metal interaction are properly taken into consideration. For instance AN depends sensitively on the distance-dependent position of the projectile level, which varies significantly when considering different target materials.
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