The properties of SBFTi-x ferroelectric ceramics

被引：0
作者：
Wang Lingxu [1 ]
Zhang Fengqing [2 ]
Guo Xiaodong [3 ]
Fan Suhua [3 ]
机构：
[1] Univ Jinan, Sch Civil Engn & Architecture, Jinan 250022, Shandong, Peoples R China
[2] Shandong Jianzhu Univ, Sch Mat Sci & Engn, Jinan 250101, Shandong, Peoples R China
[3] Shandong Womens Univ, Jinan 250000, Shandong, Peoples R China
来源：
JOURNAL OF CERAMIC PROCESSING RESEARCH | 2017年 / 18卷 / 11期
基金：
中国国家自然科学基金;
关键词：
SBFTi-x; Solid solution; Ferroelectric; THIN-FILMS; SOL-GEL; BI4-XLAXTI3O12; SRBI5FETI4O18; DEPOSITION; IMPEDANCE; BI4TI3O12;
D O I：
暂无
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
BFO(BiFeO3)-SBTi(Sr2Bi4Ti5O18) composite ferroelectric ceramics(referred to as SBFTi-x) were prepared by Sr2Bi4Ti5O18 and BiFeO3, with the increasing of BFO content, compared to SBTi ceramics, Bi3+ and Fe3+ co-doped in A and B site cause the lattice distortion, which make SBFTi-x ceramics show the higher the remanent polarization and low leakage current density at room temperature. SBFTi-0.3 ceramic exhibits excellent ferroelectric properties at the electric field of 85kV/cm, the remanent polarization 2Pr and coercive field 2Ec is 18.66 mu C/cm(2) and 77.7kV/cm respectively, the lowest leakage current density J=2.34x10(-6) A/cm(2). In addition, with the increase BFO content, the changes of oxygen concentration and built-in electric field make the leakage current mechanism of SBFTi-x ceramics turn into the Ohms transmission mechanism-based from the Space-charge limit for leading.
引用
收藏
页码：783 / 786
页数：4
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