FORMATION OF THE PEROVSKITE PHASE IN THE PBMG1/3NB2/3O3-PBTIO3 SYSTEM

被引：61

作者：

BOUQUIN, O ^{[1
]}

LEJEUNE, M ^{[1
]}

BOILOT, JP ^{[1
]}

机构：

[1] ECOLE POLYTECH,PHYS MAT CONDENSEE LAB,F-91128 PALAISEAU,FRANCE

来源：

JOURNAL OF THE AMERICAN CERAMIC SOCIETY | 1991年 / 74卷 / 05期

关键词：

D O I：

10.1111/j.1151-2916.1991.tb04360.x

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 reaction sequences during calcination of oxide mixtures were studied for the PbMg1/3Nb2/3O3-PbTiO3 (PMN-PT) system. The effect of reactivity and composition of the starting mixtures was investigated. In the present study, a B-site-deficient, cubic pyrochlore phase in the PbO-Nb2O5 system was formed at 500-degrees-C. The perovskite phase of PMN was formed at 700-degrees-C through the diffusion of MgO into the pyrochlore phase. The lattice parameter of the pyrochlore phase decreased as this transformation to perovskite progressed.

引用

页码：1152 / 1156

页数：5

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