An intermediate monoclinic phase and electromechanical interactions in xPbTiO3-(1-x)Pb(Zn1/3Nb2/3)O3 crystals

被引：13
|
作者：
Topolov, VY [1 ]
Turik, AV [1 ]
机构：
[1] Rostov State Univ, Rostov Na Donu 344090, Russia
来源：
PHYSICS OF THE SOLID STATE | 2002年 / 44卷 / 07期
关键词：
D O I：
10.1134/1.1494636
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
The elastic matching of phases in the vicinity of the morphotropic phase boundary in xPbTiO(3)-(1 - x)Pb(Zn1/3Nb2/3)O-3 crystals is investigated in an external electric field with strength E parallel to [001]. The field dependences of the unit cell parameters of the monoclinic phase are determined experimentally in the range 0 less than or equal to E less than or equal to 2 MV/m. The results obtained are used in analyzing specific features in the electromechanical properties of xPbTiO(3)-(1 - x)Pb(Zn1/3Nb2/3)O-3 crystals (0.08 less than or similar to x less than or similar to 0.09), in which the monoclinic phase is intermediate between the rhombohedral and tetragonal phases and can coexist with these phases. A correlation between the optimum volume concentrations of domains or twins in different two-phases states is revealed and interpreted for the first time. (C) 2002 MAIK "Nauka/Interperiodica".
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页码：1355 / 1362
页数：8
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