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Please use this identifier to cite or link to this item:
http://hdl.handle.net/10016/6965
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| Title: | Stochastic model for surface erosion via ion-sputtering: Dynamical evolution from ripple morphology to rough morphology |
| Author(s): | Cuerno, Rodolfo
Makse, Hernán A.
Tomassone, Silvina
Harrington, Stephen T.
Stanley, H. Eugene |
| Publisher: | The American Physical Society |
| Issued date: | 11-Dec-1995 |
| Citation: | Physical Review Letters, 1995, vol. 75, n. 24, p. 4464-4467 |
| URI: | http://hdl.handle.net/10016/6965 |
| ISSN: | 0031-9007 (Print)
1079-7114 (Online) |
| DOI: | 10.1103/PhysRevLett.75.4464 |
| Description: | 4 pages, 5 figures.-- PACS nrs.: 68.35.Rh, 64.60.Ht, 79.20.Rf.-- ArXiv pre-print available at: http://arxiv.org/abs/cond-mat/9511039
Final publisher version available Open Access at: http://gisc.uc3m.es/~cuerno/publ_list.html |
| Abstract: | Surfaces eroded by ion sputtering are sometimes observed to develop morphologies which are either ripple (periodic) or rough (nonperiodic). We introduce a discrete stochastic model that allows us to interpret these experimental observations within a unified framework. We find that a periodic ripple morphology characterizes the initial stages of the evolution, whereas the surface displays self-affine scaling in the later time regime. Further, we argue that the stochastic continuum equation describing the surface height is a noisy version of the Kuramoto-Sivashinsky equation. |
| Sponsor: | R.C. acknowledges support from Ministerio de Educación y Ciencia, Spain. The Center for Polymer Studies is funded by NSF. |
| Review: | PeerReviewed |
| Publisher version: | http://dx.doi.org/10.1103/PhysRevLett.75.4464 |
| Keywords: | [PACS] Phase transitions and critical phenomena
[PACS] Dynamic critical phenomena
[PACS] Atomic, molecular, and ion beam impact and interactions with surfaces |
| Rights: | © The American Physical Society |
| Appears in Collections: | DM - GISC - Artículos de Revistas
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