Frequency response of magnetoelectric effect in piezoelectric-magnetostrictive disk-ring composite structures

被引：6

作者：

Zhang, Ru ^{[1
]}

Wu, Gaojian ^{[1
]}

Zhang, Li ^{[1
]}

Li, Xin ^{[2
]}

Zhang, Ning ^{[3
]}

机构：

[1] Nanjing Univ Technol, Dept Appl Phys, Nanjing 210009, Peoples R China

[2] Nanjing Univ Technol, Coll Elect & Informat Engn, Nanjing 210009, Peoples R China

[3] Nanjing Normal Univ, Dept Phys, Nanjing 210097, Peoples R China

来源：

JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2012年 / 324卷 / 16期

关键词：

Magnetoelectric effect; Magnetoelectric composite; Resonance frequency; BILAYER;

D O I：

10.1016/j.jmmm.2012.03.056

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A theoretical model is presented for frequency dependence of magnetoelectric (ME) effect in piezoelectric-magnetostrictive disk-ring composite structures. Expressions for ME voltage coefficients in piezoelectric-magnetostrictive (PE-MS) disk-ring and MS-PE disk-ring are obtained by solving elastodynamic equations. The calculated resonance frequency and frequency dependence of ME voltage coefficients are in good agreement with the experimental results. This model indicates better mechanical coupling in disk-ring structure than that in traditional layered structure, and this may be responsible for the enhancing ME effect. The analysis suggests the disk-ring composites structures are promising for magnetoelectric applications. (C) 2012 Elsevier B.V. All rights reserved.

引用

页码：2583 / 2587

页数：5

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