Surface instabilities in granular matter and ion-sputtered surfaces

Details Surface instabilities in granular matter and ion-sputtered surfaces Surface instabilities in granular matter and ion-sputtered surfaces

2004-08-18

arxiv.org/abs/cond-mat/0408392v1

Physica A 332 (2004) 548-558

Physics

Condensed Matter

Disordered Systems and Neural Networks

14 pages, 3 figures

Scientific paper

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 to 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.

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