Dynamic scaling in polycrystalline growth

descriptionPublicationkeyboard_double_arrow_right Article 15 Apr 1992 English Publisher:American Physical Society (APS)Journal:Physical Review B, volume 45, pages 8,650-8,656 (issn: 0163-1829, eissn: 1095-3795,

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Authors: , Thijssen; , Knops; , Dammers;

doi: 10.1103/physrevb.45.8650

pmid: 10000703

Dynamic scaling in polycrystalline growth

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Abstract

The dynamic scaling properties of a polycrystalline growth model proposed by Van der Drift are discussed. We present an analytic derivation of the dynamic exponent, describing the growth of monocrystalline surface domains, yielding p=1/2 and 1/4 for two and three dimensions, respectively. For specific, highly nonuniform, initial conditions in the two-dimensional model we find that initially the exponent p is equal to 1, but that after some time, crossover takes place to p=1/2. The results are confirmed by numerical simulations for the two-dimensional case

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Radboud University Nijmegen
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