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
收藏
页码：417 / 426
页数：10
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