PZT phase diagram determination by measurement of elastic moduli

被引：53

作者：

Bouzid, A ^{[1
]}

Bourim, EM ^{[1
]}

Gabbay, M ^{[1
]}

Fantozzi, G ^{[1
]}

机构：

[1] CNRS, UMR 5510, Grp Etud Met Phys & Phys Mat, F-69100 Villeurbanne, France

来源：

JOURNAL OF THE EUROPEAN CERAMIC SOCIETY | 2005年 / 25卷 / 13期

关键词：

PZT ceramics; Young's modulus; shear modulus; mechanical losses; phase diagram; X-ray methods;

D O I：

10.1016/j.jeurceramsoc.2004.07.018

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

The aim of the present paper is to investigate the PZT phase diagram and to examine the phase transitions occurring in the low temperature range near the morphotropic phase boundary by using measurement of elastic moduli. The phase transitions are also studied by XRD measurements as a function of temperature. XRD patterns as a function of temperature let us to follow the evolution of lattice parameters and so the determination of phase transitions. Phase transitions identified by Young's and shear modulus anomalies M-1 and M-2 are in accordance with those found by XRD studies and correspond, respectively to the Curie transition-between cubic paraelectric phase and tetragonal ferroelectric phase-and to the morphotropic transition-between both ferroelectric tetragonal and rhombohedral phases or from tetragonal to monoclinic phase. Finally a revisited version of PZT phase diagram is proposed. (c) 2004 Elsevier Ltd. All rights reserved.

引用

页码：3213 / 3221

页数：9

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