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

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2005-01-14
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The American Physical Society
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Abstract
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.
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4 pages, 2 figures.-- PACS nrs.: 79.20.Rf, 05.45.–a, 68.35.Ct, 81.16.Rf.-- ArXiv pre-print available at: http://arxiv.org/abs/cond-mat/0506453
Final publisher version available Open Access at: http://gisc.uc3m.es/~cuerno/publ_list.html
Keywords
[PACS] Atomic, molecular, and ion beam impact and interactions with surfaces, [PACS] Nonlinear dynamics and chaos, [PACS] Interface structure and roughness, [PACS] Micro- and nanoscale pattern formation
Bibliographic citation
Physical Review Letters 94, 016102 (2005)