Dynamical scaling and crossover from algebraic to logarithmic growth in dilute systems

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The ordering dynamics of the two-dimensional Ising antiferromagnet with mobile vacancies and nonconserved order parameter is studied by Monte Carlo temperature-quenching experiments. The domain-size distribution function is shown to obey dynamical scaling. A crossover is found from an algebraic growth law for the pure system to effectively logarithmic growth behavior in the dilute system, in accordance with recent experiments on ordering kinetics in impure chemisorbed overlayers and off-stoichiometric alloys.

Original languageEnglish
JournalPhysical Review B (Condensed Matter and Materials Physics)
Issue number16
Pages (from-to)11445-11448
Number of pages4
Publication statusPublished - 1989
Externally publishedYes

ID: 238387911