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Self-organized ordering of nanostructures produced by ion-beam sputtering

M. Castro, R. Cuerno, L. Vázquez, R. Gago

We study the self-organized ordering of nanostructures produced by ion-beam sputtering of targets amorphizing under irradiation. By introducing a model akin to models of pattern formation in aeolian sand dunes, we extend consistently the current continuum theory of erosion by IBS. We obtain new nonlinear effects responsible for the in-plane ordering of the structures, whose strength correlates with the degree of ordering found in experiments. Our results highlight the importance of redeposition and surface viscous flow to this nanopattern formation process.


Palabras clave: aeolian sand ripples, surfaces, instabilities, evolution, dynamics, erosion, model


Physical Review Letters. Volumen: 94 Numero: 1 Páginas: 016102.1-016102.4

Índice de impacto JCR y cuartil Scopus: 7.489 (2005); 8.839 - Q1 (2017).

Referencia DOI: DOI icon 10.1103/PhysRevLett.94.016102    

Publicado en papel: Enero 2005.



Cita:
M. Castro, R. Cuerno, L. Vázquez, R. Gago. Self-organized ordering of nanostructures produced by ion-beam sputtering. Physical Review Letters. vol. 94, no. 1, pp. 016102.1-016102.4, Enero 2005.


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