Comparative analysis of the twin and heterophase structures in (1-x)Pb(Mg1/3Nb2/3)O3-xPbTiO3 crystals

被引：3
作者：
Topolov, V. Yu. [1 ]
机构：
[1] Rostov State Univ, Rostov Na Donu 344090, Russia
来源：
PHYSICS OF THE SOLID STATE | 2006年 / 48卷 / 07期
关键词：
DOMAIN-STRUCTURES; SINGLE-CRYSTALS; ELECTRIC-FIELD;
D O I：
10.1134/S1063783406070195
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
The specific features of the coexistence of phases in heavily twinned crystals of the (1 -x)Pb(Mg1/3Nb2/3)O-3-xPbTiO(3) system in the vicinity of the morphotropic phase boundary (0.30 <= x <= 0.40) are investigated. The phase transformations in crystals at x = const during cooling are considered at electric field strengths E = 0 and 0.1 MV/m. The conditions of the formation of interphase boundaries (zero net strain planes) are determined for different first-order phase transitions. The results of calculating the tetragonal-monoclinic Mc and monoclinic-monoclinic (M-C-M-A) phase transitions are represented in the form of "twin state-interphase boundary" diagrams. The effect of a 90 degrees domain (twin) structure of the tetragonal phase on the heterophase state associated with the presence of monoclinic phases is analyzed.
引用
收藏
页码：1334 / 1341
页数：8
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