Evolution of Ferroelectric Relaxor Behavior in (1-x)BaTiO3-x(Na1/4Bi3/4)(Mg1/4Ti3/4)O3 Ceramics

被引：0

作者：

Wu, Liying ^{[1
,2
]}

Wang, Xiaoli ^{[2
]}

Guo, Ruyan ^{[1
]}

Bhalla, Amar S. ^{[1
]}

机构：

[1] Univ Texas San Antonio, Dept Elect & Comp Engn, San Antonio, TX 78249 USA

[2] Xi An Jiao Tong Univ, Dept Mat Phys, Xian 710049, Peoples R China

来源：

FERROELECTRICS | 2010年 / 400卷

基金：

中国国家自然科学基金; 美国国家科学基金会;

关键词：

DIFFUSE PHASE-TRANSITION; BATI1-XSNXO3; CERAMICS; NONLINEAR RESPONSE; SINGLE-CRYSTALS; MODEL; STATE;

D O I：

10.1080/00150193.2010.505889

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

(1-x)BaTiO3-x(Na1/4Bi3/4)(Mg1/4Ti3/4)O-3 (0 < x <= 0.2) ceramics were synthesized by the solid-state reaction and verified to form the perovskite structure. Three dielectric anomalies corresponding to the three phase transitions of BaTiO3 were observed for samples with 0.1 <= x < 0.2 and one of those dielectric anomalies exhibit relaxation behavior. At x = 0.2, three phase transitions are pinched, and a distinct ferroelectric relaxor-like behavior dominates. Hysteresis loops were observed for the compositions with 0 < x <= 0.2. For 0.14 <= x < 0.2 partial linear P-E behaviors are observed. Coexistence of pseudo-cubic (Na1/4Bi3/4)(Mg1/4Ti3/4)O-3 and rhombohedral BaTiO3 phases depict a typical relaxor behavior in this system.

引用

页码：417 / 426

页数：10

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