Energy spectra of light ions backscattered from random solids |
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| Authors: | U. Littmark A. Gras-Marti |
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| Affiliation: | 1. Physics Laboratory II, H. C. ?rsted Institute, University of Copenhagen, Universitetsparken 5, DK-2100, Copenhagen ?, Denmark
2. Catedra de Electricidad y Magnetismo, Facultad de Físicas, Ciudad Universitaria, Madrid (3), Spain
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| Abstract: | A scheme for the calculation of energy spectra of ions backscatterred from random solids is proposed for the energy region where multiple collisions dominate. Calculations are performed for light ion bombardment of heavy targets, which is a case of special interest for the plasma-well interaction in fusion reactors. Examples of spectra obtained for protons incident on a Cu target are presented. A maximum in the spectra is found in accordance with measurements. The position of the maximum seems to vary slowly with the initial ion energy. |
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