Large magnetoelectric response in multiferroic polymer-based composites

被引：66

作者：

Nan, CW ^{[1
]}

Cai, N

Shi, Z

Zhai, J

Liu, G

Lin, Y

机构：

[1] Tsinghua Univ, State Key Lab New Ceram & Fine Proc, Beijing 100084, Peoples R China

[2] Tsinghua Univ, Dept Mat Sci & Engn, Beijing 100084, Peoples R China

来源：

PHYSICAL REVIEW B | 2005年 / 71卷 / 01期

关键词：

D O I：

10.1103/PhysRevB.71.014102

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A type of multiferroic polymer-based composite is presented which exhibits a giant magnetoelectric sensitivity. Such a multiferroic composite prepared via a simple low-temperature hot-molding technique for common polymer-based composites has a laminate structure with one lead-zirconate-titanate (PZT)/polyvinylidene-fluoride (PVDF) composite layer sandwiched between two Tb-Dy-Fe alloy (Terfenol-D)/PVDF composite layers. The PZT/PVDF layer in the middle dominates the dielectric and piezoelectric behavior of the polymer based composites. The coupling elastic interaction between two outer Terfenol-D/PVDF layers and the middle PZT/PVDF layer in such polymer-based composites produces the giant magnetoelectric response as demonstrated by the experimental results, especially at high frequency at which the electromechanical resonance appears. The maximum magnetoelectric sensitivity of the composites can reach up to as high as about 300 mV/cm Oe at frequency below 50 kHz and about 6000 mV/cm Oe at the resonance frequency of around 80 kHz.

引用

页数：5

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