Enhanced magnetoelectric effect in three-phase MnZnFe2O4/Tb1-xDyxFe2-y/Pb(Zr,Ti)O-3 composites

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Date

2006-12-15

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American Institute of Physics

Abstract

Three-phase magnetoelectric (ME) laminate composites made of high-permeability (mu) MnZnFe2O4, magnetostrictive Tb1-xDyxFe2-y, and piezoelectric Pb(Zr,Ti)O-3 layers and operated in longitudinal magnetization and transverse polarization (L-T) bending modes have been studied. High-mu MnZnFe2O4 layers act as flux concentrators. This results in increased apparent piezomagnetic coefficients in the magnetostrictive Tb1-xDyxFe2-y layer and consequently larger induced voltages across the piezoelectric Pb(Zr,Ti)O-3 layers. We find the enhanced ME field coefficients of up to 8 times for longitudinal magnetization mode, and up to 28 times for transverse magnetization mode, under small dc magnetic field bias. (c) 2006 American Institute of Physics.

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Keywords

Zinc, Laminates, Piezoelectric films, Magnetoelectric effects, Piezoelectric transducers

Citation

Dong, Shuxiang, Zhai, Junyi, Li, Jiefang, Viehland, D. (2006). Enhanced magnetoelectric effect in three-phase MnZnFe2O4/Tb1-xDyxFe2-y/Pb(Zr,Ti)O-3 composites. Journal of Applied Physics, 100(12). doi: 10.1063/1.2402968

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http://hdl.handle.net/10919/52433

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Scholarly Works, Materials Science and Engineering (MSE)