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

被引：11
|
作者：
Vaks, VG [1 ]
机构：
[1] Kurchatov Inst, Russian Res Ctr, Moscow 123182, Russia
来源：
JETP LETTERS | 2001年 / 73卷 / 05期
基金：
俄罗斯基础研究基金会;
关键词：
64.70.Kb; 61.50.Ks; 05.70.Fh;
D O I：
10.1134/1.1371061
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
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. (C) 2001 MAIK "Nauka/ Interperiodica".
引用
收藏
页码：237 / 241
页数：5
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