Surface instabilities in granular matter and ion-sputtered surfaces

T. Aste; U. Valbusa

doi:10.1016/j.physa.2003.10.030

Surface instabilities in granular matter and ion-sputtered surfaces

T. Aste^*, U. Valbusa

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

36 Citations (Scopus)

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.

Original language	English
Pages (from-to)	548-558
Number of pages	11
Journal	Physica A: Statistical Mechanics and its Applications
Volume	332
Issue number	1-4
DOIs	https://doi.org/10.1016/j.physa.2003.10.030
Publication status	Published - 1 Feb 2004

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AB - 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.

KW - Granular systems

KW - Ripple formation

KW - Surface instabilities

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Surface instabilities in granular matter and ion-sputtered surfaces

Abstract

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