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Transients due to instabilities hinder Kardar-Parisi-Zhang scaling: A unified derivation for surface growth by electrochemical and chemical vapor deposition

R. Cuerno, M. Castro

We propose a unified moving boundary problem for surface growth by electrochemical and chemical vapor deposition, which is derived from constitutive equations into which stochastic forces are incorporated. We compute the coefficients in the interface equation of motion as functions of phenomenological parameters. The equation features the Kardar-Parisi-Zhang (KPZ) nonlinearity and instabilities which, depending on surface kinetics, can hinder the asymptotic KPZ scaling. Our results account for the universality and the experimental scarcity of KPZ scaling in the growth processes considered.

Keywords: diffusion-limited aggregation, vicinal surfaces, dynamics, model, electrodeposition, fluctuations, equilibrium, interfaces, solidification, imbibition

Physical Review Letters. Volumen: 87 Numero: 23 Páginas: 236103.1-236103.4

Journal Impact Factor: JCR impact factor 8.839 (2017)

DOI reference: DOI icon 10.1103/PhysRevLett.87.236103    

Publicado en papel: Diciembre 2001.

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