Effect of annealing temperature on the multiferroic properties of 0.7BiFeO3-0.3Bi0.5Na0.5TiO3 solid solution prepared by sol-gel method

被引：14
|
作者：
Zhu, C. M. [1 ]
Wang, L. G. [1 ]
Tian, Z. M. [1 ]
Luo, H. [2 ]
Bao, D. L. G. C. [1 ]
Yin, C. Y. [1 ]
Huang, S. [1 ]
Yuan, S. L. [1 ]
机构：
[1] Huazhong Univ Sci & Technol, Sch Phys, Wuhan 430074, Peoples R China
[2] Huazhong Univ Sci & Technol, Sch Opt & Elect Informat, Wuhan 430074, Peoples R China
来源：
CERAMICS INTERNATIONAL | 2016年 / 42卷 / 03期
基金：
中国国家自然科学基金;
关键词：
Annealing temperature; Multiferroic; BiFeO3; Sol-gel; THIN-FILMS; FERROELECTRIC PROPERTIES;
D O I：
10.1016/j.ceramint.2015.11.061
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：
Room-temperature multiferroic 0.7BiFeO(3)-0.3Bi(0.5)Na(0.5)TiO(3) solid solution ceramics have been prepared by the sol gel method. We have discussed the annealing temperature dependence of the multiferroic properties. The samples are annealed at 1023, 1123, 1223 and 1323 K for 3 h, respectively. X-ray diffraction patterns identify that all samples are pure. Scanning electron micrographs present the increasing grain size with higher annealing temperature. Magnetic, ferroelectric and dielectric properties are enhanced obviously with the increase in annealing temperature. The coexistence of ferroelectric and ferromagnetic properties is also proved at room temperature. In addition, it reveals that the optimal annealing temperature accompanied with favorable multiferroic properties of 0.7BiFeO(3)-0.3Bi(0.5)Na(0.5)TiO(3) solid solution ceramics is near 1223 K. (C) 2015 Elsevier Ltd and Techna Group S.r.l. All rights reserved.
引用
收藏
页码：3930 / 3937
页数：8
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