Frequency dependence of the magnetoelectric effect in a magnetostrictive-piezoelectric heterostructure

被引：0

作者：

郁国良 ^{[1
]}

李元勋 ^{[1
]}

曾玉琴 ^{[1
]}

李颉 ^{[1
]}

左林 ^{[1
]}

李强 ^{[1
]}

张怀武 ^{[1
]}

机构：

[1] State Key Laboratory of Electronic Thin Films and Integrated Devices,University of Electronic Science and Technology of China

来源：

Chinese Physics B | 2013年 / 07期

关键词：

magnetoelectric effect; magnetostrictive-piezoelectric heterostructure; electromechanical resonance;

D O I：

暂无

中图分类号：

O482.5 [磁学性质];

学科分类号：

摘要：

The frequency dependence of the magnetoelectric effect in a magnetostrictive-piezoelectric heterostructure is theoretically studied by solving combined magnetic, elastic, and electric equations with boundary conditions. Both the mechanical coupling coefficient and the losses of the magnetostrictive and piezoelectric phases are taken into account. The numerical result indicates that the magnetoelectric coefficient and the resonance frequency are determined by the mechanical coupling coefficient, losses, and geometric parameters. Moreover, at the electromechanical resonance frequency, the module of the magnetoelectric coefficient is mostly contributed by the imaginary part. The relationship between the real and the imaginary parts of the magnetoelectric coefficient fit well to the Cole-Cole circle. The magnetostrictive-piezoelectric heterostructure has a great potential application as miniature and no-secondary coil solid-state transformers.

引用

页码：511 / 514

页数：4

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