Dielectric and magnetic enhancements in BiFeO3-PbTiO3 solid solutions with La doping

被引：116

作者：

Cheng, Jinrong ^{[1
]}

Yu, Shengwen

Chen, Jianguo

Meng, Zhongyan

Cross, L. Eric

机构：

[1] Shanghai Univ, Sch Mat Sci & Engn, Shanghai 200072, Peoples R China

[2] Penn State Univ, Mat Res Inst, University Pk, PA 16802 USA

来源：

APPLIED PHYSICS LETTERS | 2006年 / 89卷 / 12期

基金：

中国国家自然科学基金;

关键词：

D O I：

10.1063/1.2353806

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Solid solutions of 0.45(Bi1-xLax)FeO3-0.55PbTiO(3) (BLFPTx) for x=0.1, 0.2, and 0.3 were prepared by the mixed oxide method. BLFPTx showed the tetragonal perovskite structure of which the c/a ratio and Curie temperature decreased with the increase of La content. Significant dielectric and magnetic enhancements were observed for BLFPTx with La doping. The ferroelectric and ferromagnetic hysteresis loops revealed the maximum remanent polarization and magnetization of 28 mu C/cm(2) and 0.14 emu/g, respectively, for BLFPTx of x=0.3. Results indicated that BLFPTx was of the insulating and switchable multiferroics with both ferroelectric and ferromagnetic properties. (c) 2006 American Institute of Physics.

引用

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