Simulations of Ripple Formation on Ion-Bombarded Solid Surfaces
作者： I. Koponen , M. Hautala , O.-P. Sievänen
DOI: 10.1103/PHYSREVLETT.78.2612
关键词:
摘要: Ripple formation on amorphous carbon surfaces bombarded by 5 keV Ar ions is studied atomistic simulations. Sputtering treated in detail simulating the entire collision cascades originated bombarding ions. Surface relaxation described a Wolf-Villain-type discrete model. Ripples and wavelike patterns are observed to emerge surface. The ripples have well-defined wavelength orientation of wave crests changes from normal parallel beam, when angle incidence increased 30\ifmmode^\circ\else\textdegree\fi{} 60\ifmmode^\circ\else\textdegree\fi{}, respectively. found depend magnitude diffusion beam as predicted continuum theories.
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