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Moron Fernandez, Carlos ORCID: https://orcid.org/0000-0002-6928-5134, Maganto Suárez, Fernando José, García García, Alfonso
ORCID: https://orcid.org/0000-0002-1520-7472, Ramirez Fernandez, M. Puerto
ORCID: https://orcid.org/0000-0002-1354-1397 and Tremps Guerra, Enrique
ORCID: https://orcid.org/0000-0002-2824-2138
(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.
Title: | Monte Carlo simulation of circular grain growth |
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Author/s: |
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Item Type: | Article |
Título de Revista/Publicación: | Physica Status Solidi C |
Date: | 2011 |
ISSN: | 1610-1642 |
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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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
Item ID: | 12376 |
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DC Identifier: | https://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.20... |
Deposited by: | Memoria Investigacion |
Deposited on: | 28 Feb 2013 15:08 |
Last Modified: | 12 May 2020 09:27 |