Magnetoelectric properties of a heterostructure of magnetostrictive and piezoelectric composites

J. G. Wan, Siu Wing Or, J. M. Liu, H. L.W. Chan, G. H. Wang, C. W. Nan

Research output: Journal article publicationJournal articleAcademic researchpeer-review

7 Citations (Scopus)


This paper presents a magnetoelectric (ME) heterostructure of a magnetostrictive Terfenol-D/epoxy 0-3 composite (MSCP) plate combined with a piezoelectric PZT/epoxy 0-3 composite (PECP) plate along the longitudinal direction. By keeping the dimensions of the MSCP at 6.8 mm × 6.2 mm × 0.7 mm, heterostructures with various PECP lengths of 8-15 mm are prepared and characterized to reveal their frequency dependence of the ME effect. The results exhibit several resonance peaks in the heterostructures due to the magnetomechanical resonances (MMR) of the MSCP and the electromechanical resonances (EMR) of the PECP. The superposition of the MMR and EMR enhances significantly the ME output of the heterostructures. The highest ME voltage coefficient (αE) of 13.1 V/cm · Oe is observed at the resonance frequency of 106.8 kHz when the length ratio of the MSCP and PECP is set to 6.8/10.2, together with an optimal magnetic bias field of 0.7 kOe.
Original languageEnglish
Pages (from-to)3042-3044
Number of pages3
JournalIEEE Transactions on Magnetics
Issue number4 II
Publication statusPublished - 1 Jul 2004


  • Heterostructures
  • Magnetoelectric (ME) composites
  • Magnetostrictive composites
  • Piezoelectric composites

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Electrical and Electronic Engineering


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