Structure and Properties of Mg-doped SrBi4Ti4O15 Bi-layered Compounds

被引：2
作者：
Hao Hua [1 ,2 ]
Liu Hanxing [1 ,2 ]
Cao Minghe [2 ]
Ouyang Shixi [2 ]
机构：
[1] Wuhan Univ Technol, Sch Mat Sci & Engn, Wuhan 430070, Peoples R China
[2] Wuhan Univ Technol, State Key Lab Adv Technol Mat Synth & Proc, Wuhan 430070, Peoples R China
来源：
JOURNAL OF WUHAN UNIVERSITY OF TECHNOLOGY-MATERIALS SCIENCE EDITION | 2008年 / 23卷 / 05期
关键词：
Mg-doped; bismuth layer structure ferroelectrics; ferroelectric properties;
D O I：
10.1007/s11595-007-5675-0
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The structure and properties of Mg-doped SrBi4Ti4O15(SBT) were dicussed. Mg substitution into SBT had two possibilities states with the dopant amount variety. Mg cation substituted mostly into Sr2+ and the amount proportion was 68.11% Mg ion will substitute into Ti ion site in perovskite layer when the doping amount increases. Polarization increases sharply when x=0.1 and then decreases becauses of the domain pinning. The Curie temperature of Mg-doped SBT is about 300 degrees C and there is a broad diffuse phase transition near T-c with a flat peak near the T-a of SBT.
引用
收藏
页码：675 / 677
页数：3
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