Magnetocapacitance and structure properties of Bi0.85-xLa0.15PbxFeO3 ceramics

被引：6
|
作者：
Fu, Qiuyun [1 ]
Xue, Fei [1 ]
Zheng, Zhiping [1 ]
Zhou, Dongxiang [1 ]
Zhou, Ling [1 ]
Tian, Yahui [1 ]
Hu, Yunxiang [1 ]
机构：
[1] Huazhong Univ Sci & Technol, Sch Opt & Elect Informat, Wuhan 430074, Peoples R China
来源：
CERAMICS INTERNATIONAL | 2015年 / 41卷 / 03期
基金：
国家高技术研究发展计划(863计划); 中国国家自然科学基金;
关键词：
Dielectric properties; Multiferroic; Magnetocapacitance effect; Magnetoelectric; BIFEO3; CERAMICS; MULTIFERROICS; ELECTRODE;
D O I：
10.1016/j.ceramint.2014.11.098
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：
To study the effects of La and Pb co-doping on the magnetocapacitance (MC) and structure properties of BiFeO3, single-phase Bi0.85-xLa0.15PbxFeO3 (BLPF, x=0-0.10) multiferroic ceramics were prepared by a solid-state reaction. In the Rietveld refinement, good agreement between the observed and calculated pattern was observed. The dielectric response of these samples was analyzed in the frequency range of 100 Hz-10 MHz, and it was found that Pb-doping drastically improved the dielectric properties. Moreover, the MC and magnetoelectric effect were enhanced, show a large MC effect (similar to 18.8%) and magmetoelectric voltage coefficient alpha(E) (similar to 90.6 mV/cm/Oe) for BLPFx=0.05 ceramic. (C) 2014 Elsevier Ltd and Techna Group S.r.l. All rights reserved.
引用
收藏
页码：4050 / 4055
页数：6
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