Kinetic equation of the effect of thickness on grain growth in nanocrystalline films

This paper presents an anisotropy Monte Carlo algorithm to simulate grain growth in nanocrystalline films. The results indicate that a thickness effect appears only when the average grain size reaches 0.8–1.2 times the film thickness. A grain size-thickness factor is introduced to modify Burke’s gra...

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Bibliographic Details
Published in:Scripta materialia 2009-12, Vol.61 (11), p.1012-1015
Main Authors: An, Zhinan, Ding, Hong, Meng, Qingping, Rong, Yonghua
Format: Article
Language:English
Subjects:
Grain growth
Monte Carlo simulation
Multilayer thin films
Thickness effect
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Summary:This paper presents an anisotropy Monte Carlo algorithm to simulate grain growth in nanocrystalline films. The results indicate that a thickness effect appears only when the average grain size reaches 0.8–1.2 times the film thickness. A grain size-thickness factor is introduced to modify Burke’s grain growth kinetic equation, better describing the whole process of grain growth in both simulation and Ni/SiO 2 nanocrystalline multilayer films. A more universal kinetic equation of grain growth is further suggested.
ISSN:1359-6462
1872-8456
DOI:10.1016/j.scriptamat.2009.08.014