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Surface instabilities in granular matter and ion-sputtered surfaces

Aste, T; Valbusa, U; (2004) Surface instabilities in granular matter and ion-sputtered surfaces. Physica A: Statistical Mechanics and its Applications , 332 (1-4) 548 - 558. 10.1016/j.physa.2003.10.030.

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Abstract

We apply a theoretical approach, originally introduced to describe aeolian ripples formation in sandy deserts, to the study of surface instability in ion-sputtered surfaces. The two phenomena are distinct by several orders of magnitudes and by several physical mechanisms, but they obey similar geometrical constraints and therefore they can be described by means of the same approach. This opens a novel conceptual framework for the study of the dynamical surface roughening and ripple formation on crystal and amorphous surfaces during ion sputtering. © 2003 Elsevier B.V. All rights reserved.

Type:Article
Title:Surface instabilities in granular matter and ion-sputtered surfaces
DOI:10.1016/j.physa.2003.10.030
UCL classification:UCL > School of BEAMS > Faculty of Engineering Science > Computer Science

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