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Ripples and ripples: from sandy deserts to ion-sputtered surfaces

Aste, Tomaso; Valbusa, U


We study the morphological evolution of surfaces during ion sputtering and we compare their dynamical corrugation with aeolian ripple formation in sandy deserts. We show that, although the two phenomena are physically different, they must obey similar geometrical constraints and therefore they can be described within the same theoretical framework. The present theory distinguishes between atoms that stay bounded in the bulk and others that are mobile on the surface. We describe the excavation...[Show more]

CollectionsANU Research Publications
Date published: 2005-05-17
Type: Journal article
Source: New Journal of Physics
DOI: 10.1088/1367-2630/7/1/122


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