Abstract
A study of the reflection of H+ (2 keV) ions from metallic surfaces for low incidence and scattering angles is presented in this paper. A theoretical model based on the transport theory was used to calculate the reflection probability corresponding to a given path length in the target. This probability can be used to calculate energy spectra of the reflected ions. Energy loss of the projectile is taken into account in this calculation. However, for high values of the projectile path length, this calculation becomes time consuming. In this paper, we showed that the scattering probability can be calculated more simply with the use of the mean energy approximation as in the case of multiple scattering for transmission geometry. We tested the proposed average energy function for different values of incidence and scattering angles, several metallic targets and different interatomic potentials. We also performed this test by considering different values of the electronic energy loss.
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Mansour, A., Mekhtiche, A. & Khalal-Kouache, K. Reflection of H+(2 keV) Ions from Metallic Surfaces: Transport Theory Calculation of the Reflection Probability with the Mean Energy Approximation. J. Surf. Investig. 16, 1231–1236 (2022). https://doi.org/10.1134/S1027451022060416
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DOI: https://doi.org/10.1134/S1027451022060416