The interdependence between the incidence angles associated with quasi-stable intersections during ion erosion |
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Authors: | F Vasiliu S Frunza |
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Affiliation: | (1) National Institute for Scientific and Technical Creation, Bulev. P cci, PO Box 16, Code 79622 Bucharest, Romania;(2) Institute for Physics and Technology of Materials, PO Box MG-07, R-76900 Bucharest-Magurele, Romania;(3) Present address: Institute for Physics and Technology of Materials, P.O. Box MG-07, R-76900 Bucharest-Magurele, Romania |
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Abstract: | A general discussion, which is valid for any angular dependence of sputtering yieldS=S( ), concerning the interdependence between the incidence angles
e and
0, associated with quasi-stable intersections during ion erosion, is given. The object was firstly to establish the location of
e roots as a function of
0 and secondly to identify the stationary points and general trend for the complex dependence
e=
e(
0). The results obtained are applied to a quasi-stability analysis of some specific surface features during ion erosion. Various possible types of quasi-stable intersections (surface-surface, plane-surface, plane-plane) are reviewed from the point of view of their evolution caused by ion bombardment. |
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