Monte Carlo simulation of circular grain growth

Moron Fernandez, Carlos and Maganto Suarez, Fernando and Garcia Garcia, Alfonso and Ramirez Fernandez, M. Puerto and Tremps Guerra, Enrique (2011). Monte Carlo simulation of circular grain growth. "Physica Status Solidi C", v. 11-12 (n. 8); pp. 3135-3138. ISSN 1610-1642. https://doi.org/10.1002/pssc.201000725.

Description

Title: Monte Carlo simulation of circular grain growth
Author/s:
  • Moron Fernandez, Carlos
  • Maganto Suarez, Fernando
  • Garcia Garcia, Alfonso
  • Ramirez Fernandez, M. Puerto
  • Tremps Guerra, Enrique
Item Type: Article
Título de Revista/Publicación: Physica Status Solidi C
Date: 2011
Volume: 11-12
Subjects:
Faculty: E.U. de Arquitectura Técnica (UPM)
Department: Tecnología de la Edificación
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Abstract

Monte Carlo simulations have been carried out to study the effect of temperature on the growth kinetics of a circular grain. This work demonstrates the importance of roughening fluctuations on the growth dynamics. Since the effect of thermal fluctuations is stronger in d =2 than in d =3, as predicted by d =3 theories of domain kinetics, the circular domain shrinks linearly with time as A (t)=A(0)-αt, where A (0) and A(t) are the initial and instantaneous areas, respectively. However, in contrast to d =3, the slope α is strongly temperature dependent for T≥0.6TC. An analytical theory which considers the thermal fluctuations agrees with the T dependence of the Monte Carlo data in this regime, and this model show that these fluctuations are responsible for the strong temperature dependence of the growth rate for d =2. Our results are particularly relevant to the problem of domain growth in surface science

More information

Item ID: 12376
DC Identifier: http://oa.upm.es/12376/
OAI Identifier: oai:oa.upm.es:12376
DOI: 10.1002/pssc.201000725
Official URL: http://onlinelibrary.wiley.com/doi/10.1002/pssc.201000725/
Deposited by: Memoria Investigacion
Deposited on: 28 Feb 2013 15:08
Last Modified: 22 Sep 2014 10:54
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