Faceted grain boundaries in polycrystalline films

被引：0
作者：
S. V. Bobylev
I. A. Ovid’ko
机构：
[1] Russian Academy of Sciences,Institute of Problems of Mechanical Engineering
来源：
Physics of the Solid State | 2003年 / 45卷
关键词：
Spectroscopy; State Physics; Theoretical Model; Film Thickness; Thickness Increase;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
A theoretical model is proposed for describing a new mechanism of misfit-stress relaxation in polycrystalline films, namely, the formation of faceted grain boundaries whose facets are asymmetric tilt boundaries. The ranges of parameters (the film thickness, misfit parameter, angle between facets) in which the nucleation of faceted grain boundaries is energetically favorable are calculated. The nucleation of faceted grain boundaries is shown to be facilitated as the film thickness increases.
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页码：1926 / 1931
页数：5
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