Ginzburg-Landau-type theory of antiphase boundaries in polytwinned structures

被引：0
|
作者：
V. G. Vaks
机构：
[1] Russian Research Center Kurchatov Institute,
来源：
Journal of Experimental and Theoretical Physics Letters | 2001年 / 73卷
关键词：
64.70.Kb; 61.50.Ks; 05.70.Fh;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The conventional Ginzburg-Landau theory of interphase boundaries is generalized to values of order parameters that are not small, with application to polytwinned structures characteristic of cubic-tetragonal-type phase transitions. Explicit expressions for the structure and energy of antiphase boundaries via the functions entering the free-energy functional are given. A peculiar dependence of equilibrium orientations of antiphase boundaries on the interaction type is predicted, and it qualitatively agrees with the available experimental data.
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页码：237 / 241
页数：4
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