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Updated: Feb 13, 2026

Electrochemical Roughening of Thin-Film Platinum Macro and Microelectrodes
Published on: June 30, 2019
Roughening of k-mer-growing interfaces in stationary regimes
M D Grynberg1, F I Schaposnik Massolo2
1IFLP-CONICET, Departamento de Física, Universidad Nacional de La Plata, 1900 La Plata, Argentina.
Abstract:
We discuss the steady-state dynamics of interfaces with periodic boundary conditions arising from body-centered solid-on-solid growth models in 1+1 dimensions involving random aggregation of extended particles (dimers, trimers, ...,k-mers). Roughening exponents as well as width and maximal height distributions can be evaluated directly in stationary regimes by mapping the dynamics onto an asymmetric simple exclusion process with k-type of vacancies. Although for k≥2 the dynamics is partitioned into an exponentially large number of sectors of motion, the results obtained in some generic cases strongly suggest a universal scaling behavior closely following that of monomer interfaces.
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