Structures and phase transitions in some Pb2B′B"O6 complex perovskite-type compounds

被引：3

作者：

Barbur, I ^{[1
]}

Ardelean, I ^{[1
]}

机构：

[1] Univ Babes Bolyai, Fac Phys, R-3400 Cluj Napoca, Romania

来源：

PHASE TRANSITIONS | 2001年 / 74卷 / 04期

关键词：

perovskites; phase transitions; B ' ion; ferroelectric; radii;

D O I：

10.1080/01411590108227582

中图分类号：

O7 [晶体学];

学科分类号：

0702 ; 070205 ; 0703 ; 080501 ;

摘要：

In order to study the influence of substitutions and of the ionic radii of B' ions on structure and phase transitions, we present some physical measurements and data on Pb2B'B"O-6 (B" = W, Nb, Mo) complex perovskite compounds. By Mn and Fe substitution for Mg in Pb2MgWO6 compound a change in lattice parameters and shift of antiferroelectric transition temperature is observed. It appears that in all three series of compounds a linear dependence between ferroelectric or antiferroelectric transition temperature and B' ionic radii is observed.

引用

页码：367 / 373

页数：7

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