Continuum modeling of particle redeposition during ion-beam erosion
Laterally two-dimensional case
1 Department of Mechanical Engineering,
Eindhoven University of Technology, P.O. Box 513, 5600 MB
2 Institut für Theoretische Physik, Universität Münster, 48149 Münster, Germany
b e-mail: email@example.com
Published online: 29 July 2015
We thoroughly investigate the impact of redeposition on the self-organized pattern formation during ion-beam erosion within the framework of a spatially two-dimensional continuum model. An analysis on prestructured patterns allows the extraction of general properties of this mechanism, the typical distribution of redepositing particles and approximations in terms of the surface height in particular. By combining the redeposition model with erosion models, we present detailed results about the impact of redeposition on spatio-temporal surface evolutions. It is shown that redeposition can play a decisive role for pattern formation under ion-beam erosion within an extended range in the parameter space.
Key words: Mesoscopic and Nanoscale Systems
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