The PZT system (PbTixZr1-xO3, 0 ≤ x ≤ 1.0): The real phase diagram of solid solutions (room temperature) (Part 2)

被引：14
|
作者：
Andryushina, I. N. [1 ]
Reznichenko, L. A. [1 ]
Shilkina, L. A. [1 ]
Andryushin, K. P. [1 ]
Dudkina, S. I. [1 ]
机构：
[1] So Fed Univ, Inst Phys Res, Rostov Na Donu 344090, Russia
来源：
CERAMICS INTERNATIONAL | 2013年 / 39卷 / 02期
关键词：
PZT; Phase diagram; Room temperature; Point defects; TRICRITICAL BEHAVIOR; TRANSITIONS; TITANATE; OXIDES;
D O I：
10.1016/j.ceramint.2012.07.060
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 sequence of phase transformations in the ceramic system PbTixZr1-xO3 (0 <= x <= 1.0) is determined and the real phase diagram of solid solutions is built. The observed periodicity of phase formation processes in the rhombohedral and tetragonal regions is explained by the real (defective) structure of PZT system ceramics, which is in many respects related to the variable valence of Ti ions and, as a result, to formation, accumulation, and ordering of point defects (oxygen vacancies) and their elimination by crystallographic shifts. The obtained results are useful in interpretation of the macroscopic properties of ceramics based on the PZT system. Crown Copyright (C) 2012 Published by Elsevier Ltd and Techna Group S.r.l. All rights reserved.
引用
收藏
页码：1285 / 1292
页数：8
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