Enhanced magnetoelectric properties of the laminated BaTiO3/CoFe2O4 composites

被引：66

作者：

Yang, Haibo ^{[1
]}

Zhang, Ge ^{[1
]}

Lin, Ying ^{[1
]}

机构：

[1] Shaanxi Univ Sci & Technol, Sch Mat Sci & Engn, Xian 710021, Peoples R China

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2015年 / 644卷

基金：

中国国家自然科学基金;

关键词：

Multiferroic composites; Sandwich structures; Electrical properties; Magnetic properties; Magnetoelectric effect; CERAMICS;

D O I：

10.1016/j.jallcom.2015.05.020

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Magnetoelectric laminated composites of BaTiO3/CoFe2O4 were prepared by the conventional solid-state sintering method. The electrical, magnetic and magnetoelectric properties of the composites were investigated. The results show that BaTiO3 and CoFe2O4 phases can coexist in the composites. Compared with the magnetoelectric particulate composites, the magnetoelectric laminated composites have higher resistivities and lower leakage currents. The magnetoelectric behaviors are strongly dependent on the relative mass ratio of BaTiO3 and CoFe2O4. The largest magnetoelectric coefficient of the laminated composite reaches up to 135 mV/cm Oe at a bias magnetic field of 2600 Oe and a frequency of 1 kHz, which is four times as large as that of the particulate composite (35 mV/cm Oe). (C) 2015 Elsevier B.V. All rights reserved.

引用

页码：390 / 397

页数：8

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