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Computer simulations and rainbow patterns of alkali ion scattering from metal surfaces

Affiliation:	1. ENT and Head & Neck Research Center and Department, The five Senses Institute, Hazrat Rasoul Akram Hospital, Iran University of Medical Sciences, Tehran, Iran;2. Department of Anatomy & Cell Biology, Immunogenetic Research Center, Faculty of Medicine, Mazandaran University of Medical Sciences, Sari, Iran;3. Department of Stem Cells and Regenerative Medicine, Faculty of Medical Biotechnology, National Institute of Genetic Engineering and Biotechnology, Tehran, Iran;4. Department of Anatomy, School of Medicine, Iran University of Medical Sciences, Tehran, Iran;5. Endometriosis Research Center, University of Medical Sciences, Tehran, Iran;6. Skull Base Research Center, Hazrat Rasoul Akram Hospital, Iran University of Medical Sciences, Tehran, Iran;7. Applied Biophotonics Research Center, Science and Research Branch, Islamic Azad University, Tehran, Iran

Abstract:	In a previous article [Surface Sci. 172 (1986) 90] the necessity of 3-dimensional computer simulations has been shown for the modelling of the scattering of 10–100 eV K⁺ from W(110). The measured triple differential cross section shows a complicated peak structure which can only be understood with the help of trajectory calculations. A simple model potential is given that can describe the scattering at 35 eV. The calculated trajectories show from which impact regions in the surface unit cell the peaks in the spectra originate. This mapping also allows a rainbow analysis for a triple differential cross section.

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