Monte Carlo simulation of circular grain growth

Moron Fernandez, Carlos and Maganto Suárez, Fernando José and García García, 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.


Title: Monte Carlo simulation of circular grain growth
  • Moron Fernandez, Carlos
  • Maganto Suárez, Fernando José
  • García García, Alfonso
  • Ramirez Fernandez, M. Puerto
  • Tremps Guerra, Enrique
Item Type: Article
Título de Revista/Publicación: Physica Status Solidi C
Date: 2011
ISSN: 1610-1642
Volume: 11-12
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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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

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Item ID: 12376
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OAI Identifier:
DOI: 10.1002/pssc.201000725
Official URL:
Deposited by: Memoria Investigacion
Deposited on: 28 Feb 2013 15:08
Last Modified: 12 May 2020 09:27
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