Structure and ferroelectric properties of lead-free NBT-KBT-BF ceramics

被引：3

作者：

Politova, E. D. ^{[1
]}

Fortalnova, E. A. ^{[1
,2
]}

Safronenko, M. G. ^{[2
]}

Kaleva, G. M. ^{[1
]}

Golubko, N. V. ^{[1
]}

Mosunov, A. V. ^{[1
]}

Stefanovich, S. Yu ^{[1
,3
]}

Venskovskii, N. U. ^{[2
]}

机构：

[1] L Ya Karpov Inst Phys Chem, Moscow, Russia

[2] RUDN Univ, Moscow, Russia

[3] Lomonosov Moscow State Univ, Moscow, Russia

来源：

FERROELECTRICS | 2017年 / 518卷 / 01期

基金：

俄罗斯基础研究基金会;

关键词：

(Na0; 5Bi0; 5)TiO3; (K0; BiFeO3; perovskite structure; phase transitions; ferroelectric properties; dielectric relaxation; FREE PIEZOELECTRIC CERAMICS; ELECTRICAL-PROPERTIES; PHASE-TRANSITIONS; NA0.5BI0.5TIO3; TEMPERATURE;

D O I：

10.1080/00150193.2017.1360614

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Phase formation, crystal structure parameters, dielectric and ferroelectric properties of ceramic solid solutions in the (1-y)[(1-x)(Na0.5Bi0.5)TiO3-x(K0.5Bi0.5)TiO3]-yBiFeO(3) system with x = 0.25, y = 0 - 0.6 has been studied. Pure samples with the pseudocubic perovskite structure were obtained by the solid state reaction method. Addition of BiFeO3 stimulated a monotonous increase in the unit cell volume and in the Curie temperature T-m value. With increasing the BiFeO3 content, nonmonotonous behaviour of the dielectric permittivity, a decrease in the T-ph value, a decrease in total electroconductivity and dielectric loss at the room temperature were revealed.

引用

页码：109 / 117

页数：9

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