Magnetoelectric effect of Ni0.8Zn0.2Fe2O4/Sr0.5Ba0.5Nb2O6 composites

被引：58

作者：

Li, Y. J. ^{[1
]}

Chen, X. M. ^{[1
]}

Lin, Y. Q. ^{[1
]}

Tang, Y. H. ^{[1
]}

机构：

[1] Zhejiang Univ, Dept Mat Sci & Engn, Hangzhou 310027, Peoples R China

来源：

JOURNAL OF THE EUROPEAN CERAMIC SOCIETY | 2006年 / 26卷 / 13期

基金：

中国国家自然科学基金;

关键词：

composites; dielectric properties; electrical properties; magnetoelectric effect; sintering; (Ni; Zn)Fe2O4; (Sr; Ba)Nb2O6;

D O I：

10.1016/j.jeurceramsoc.2005.06.028

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：

Novel magnetoelectric composites were prepared by incorporating the dispersed Ni0.8Zn0.2Fe2O4 ferromagnetic particles into Sr0.5Ba0.5Nb2O6 relaxor ferroelectric matrix. Dense composite ceramics were obtained with the co-presence of Sr0.5Ba0.5Nb2O6 and Ni0.8Zn0.2Fe2O4, and they could be electrically and magnetically poled to exhibit a significant magnetoelectric effect. A maximum magnetoelectric voltage coefficient of 26.6 mV/cm/Oe was observed from the composites with 70 mol% Sr0.5Ba0.5Nb2O6, which was much greater than that of magnetoelectric compounds and solid solutions. It is convenient to use the Pb-free (Sr,Ba)Nb2O6 relaxor as the matrix for ferromagnetic/ferroelectric composites in the future development of magnetoelectric materials. (c) 2005 Elsevier Ltd. All rights reserved.

引用

页码：2839 / 2844

页数：6

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