Grain-boundary diffusion in nanocrystals with a time-dependent diffusion coefficient

被引：0
|
作者：
A. A. Nazarov
机构：
[1] Russian Academy of Sciences,Institute of Problems of Metal Superplasticity
来源：
Physics of the Solid State | 2003年 / 45卷
关键词：
Spectroscopy; Migration; State Physics; Diffusion Coefficient;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
A solution to the equation of grain-boundary diffusion is obtained under conditions where migration of the diffusant from the boundaries into the grains is absent and the diffusion coefficient decreases with time from an increased value to a value characteristic of equilibrium grain boundaries. The specific features of the grain-boundary diffusion in nanocrystals are qualitatively analyzed in terms of this solution.
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页码：1166 / 1169
页数：3
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