Phase Transitions in Li, K and Ag Modified Na1/2Bi1/2TiO3-SrTiO3-PbTiO3 Solid Solutions

被引：0

作者：

Dunce, M. ^{[1
]}

Birks, E. ^{[1
]}

Antonova, M. ^{[1
]}

Plaude, A. ^{[1
]}

Sternberg, A. ^{[1
]}

机构：

[1] Univ Latvia, Inst Solid State Phys, LV-1063 Riga, Latvia

来源：

FERROELECTRICS | 2012年 / 436卷

关键词：

NBT; relaxors; solid solutions; phase transitions; modificators; FERROELECTRIC PROPERTIES;

D O I：

10.1080/10584587.2012.730948

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Influence of moderate substitution of Na by monovalent metals Li, K and Ag on structure, phase transitions and dielectric properties of 0.4Na(1/2)Bi(1/2)TiO(3)-0.4SrTiO(3)-0.2PbTiO(3) is studied. Substitution by Li increases, while substitution by K and Ag decreases tetragonality of unit cell. Li increases, Ag decreases while K weakly influences phase transition temperature. The characteristic for the parent phase relaxor state with T-t approaching T-m in case of substitution by K and Li transfers into diffused phase transition without T-m dependence on frequency and extended region of thermal hysteresis.

引用

页码：12 / 18

页数：7

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