Stabilizing transient nanopatterns in heterogeneous catalysis: A comprehensive explanation of the phenomenon

Sergio E. Mangioni and Roberto R. Deza

Physica A: Statistical Mechanics and its Applications, 2012, vol. 391, issue 17, 4191-4205

Abstract: A pattern-formation mechanism driven by attractive forces—previously studied in the context of lateral interactions between adsorbates—is reassessed through a simplified model. In its original version, such a mechanism needed an additional chemical reaction to stabilize the pattern. Recently, that goal has been achieved by means of a particular multiplicative noise. However, many details of the mechanism have remained obscure. In order to clarify them, we resorted to a simplified model that reproduces qualitatively the results of the studies carried out on the complete model. Our analysis reveals that such a mechanism may largely transcend the context in which it was found.

Keywords: Stabilization by noise; Pattern formation (search for similar items in EconPapers)
Date: 2012
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:391:y:2012:i:17:p:4191-4205

DOI: 10.1016/j.physa.2012.04.012

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