Theory of low-frequency magnetoelectric effects in ferromagnetic-ferroelectric layered composites

被引：205

作者：

Bichurin, MI

Petrov, VM

Srinivasan, G

机构：

[1] Novogorod State Univ, Dept Engn Phys, Veliky Novgorod, Russia

[2] Oakland Univ, Dept Phys, Rochester, MI 48309 USA

来源：

JOURNAL OF APPLIED PHYSICS | 2002年 / 92卷 / 12期

关键词：

921 Mathematics - 804.2 Inorganic Compounds - 708.4 Magnetic Materials - 708.1 Dielectric Materials - 701.2 Magnetism: Basic Concepts and Phenomena - 701.1 Electricity: Basic Concepts and Phenomena - 415 Metals; Plastics; Wood and Other Structural Materials;

D O I：

10.1063/1.1522834

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

A theoretical model is presented for low-frequency magnetoelectric (ME) effects in bilayers of magnetostrictive and piezoelectric phases. An approach is proposed for the consideration of actual boundary conditions at the interface. An averaging method is used to estimate effective material parameters. The model predicts the strongest ME effect in cobalt ferrite-lead zirconate titanate (PZT) among ferrite based composites. The ME voltage coefficient for transverse field orientation is estimated to be 25-50% higher than for the longitudinal case. Comparison with data for multilayer samples reveals poor interface coupling in cobalt ferrite-PZT and ideal coupling in nickel ferrite-PZT. (C) 2002 American Institute of Physics.

引用

页码：7681 / 7683

页数：3

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