Comparison of Effective Direct and Converse Magnetoelectric Effects in Laminate Composites

Tao Wu, Chia Ming Chang, Tien-Kan Chung, Greg Carman*

*Corresponding author for this work

Research output: Contribution to journalArticle

37 Scopus citations

Abstract

A theoretical analysis is used to prove that a piezoelectric/ magnetostrictive laminate composite has equivalent effective direct and converse magnetoelectric (ME) coefficients. Experimentally a PZT/Terfenol-D/PZT trilayer laminate composite was fabricated and both direct and converse ME coefficients were characterized by measuring the magnetic-field-induced polarization and electric-field-induced magnetization. The laminate sample exhibits similar DC magnetic bias dependence and resonance response for both direct and converse ME effects. The magnitudes of effective ME coefficients are of the same order but significantly different and both are smaller than theoretical prediction. This raises the question as to whether these coefficients are equivalent in a layered composite or to the accuracy of ME coefficient data measurement.

Original languageEnglish
Article number5257042
Pages (from-to)4333-4336
Number of pages4
JournalIEEE Transactions on Magnetics
Volume45
Issue number10
DOIs
StatePublished - 1 Oct 2009

Keywords

  • Laminate composite
  • Magnetoelectric effect
  • Multiferroic
  • PZT
  • Terfenol-D

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