Concentration dependences of the properties of multicomponent PZT-based piezoelectric ceramics in the morphotropic transition range

被引：4
|
作者：
Demchenko, OA
Resnitchenko, LA
Rasumovskaya, ON
Turik, AV
Shilkina, LA
Dudkina, SI
机构：
[1] Rostov State Univ, Phys Res Inst, Rostov Na Donu 344090, Russia
[2] Rostov State Univ, Dept Phys, Rostov Na Donu 344090, Russia
来源：
TECHNICAL PHYSICS | 2005年 / 50卷 / 09期
基金：
俄罗斯基础研究基金会;
关键词：
D O I：
10.1134/1.2051457
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The following three ternary PZT-based systems are studied in detail: 0.98Pb(TixZr1 - x)O-3-0.02Pb(Nb1/2Bi1/2)O-3 , 0.98(Pb0.9727Sr0.0273)(TixZr1 - x)O-3-0.02Pb(Nb1/2Bi1/2)O-3 + 1 wt% PbO, and 0.98(Pb0.9727Sr0.0273)(TixZr1 - x)O-3-0.02Pb(Nb1/2Bi1/2)O-3 + 2 wt % PbGeO3, where 0.45 <= x <= 0.49 and the concentration step is Delta x = 0.025. A number of concepts are formulated regarding the phase diagrams of PZT-type systems near the morphotropic transition. A scheme for real tetragonal-rhombohedral transformation is given. The maxima of the electrophysical characteristics of the solid solutions from the morphotropic range are shown to be caused mainly by an appearing intermediate phase. Analysis of the insulating, piezoelectric, and mechanical properties of the samples demonstrates that there is a group of solid solutions that are promising materials for high-temperature piezoelectric devices operating in the medium-frequency band. (c) 2005 Pleiades Publishing, Inc.
引用
收藏
页码：1170 / 1177
页数：8
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