Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/17511
Title: Magnetoelectric effect in composites of magnet, metal-cap, and piezoceramic
Authors: Jia, YM
Or, SW 
Lam, KH
Chan, HLW 
Tang, YX
Zhao, XY
Luo, HS
Issue Date: 2007
Publisher: Springer
Source: Applied physics. A, Materials science & processing, 2007, v. 86, no. 4, p. 525-528 How to cite?
Journal: Applied physics. A, Materials science & processing 
Abstract: We report on the magnetoelectric (ME) effect in three-phase magnet-metal-cap-piezoceramic composites of a thickness-polarized Pb(Zr,Ti)O3 disk bonded between two truncated conical brass caps and two thickness-magnetized NdFeB magnets along the thickness direction. The effect originated from the product of the magnetic attractive-repellent effect in the magnets and the amplified piezoelectric effect in the cap-disk assembly. The composites exhibited a ME voltage coefficient αV of ∼2.6 mV/Oe in the non-resonance frequency range of 0.1-10 kHz with good voltage-field linearity in the field range of 10-3-10 Oe, besides an enhanced αV of 167.4 mV/Oe at a resonance frequency of 14.4 kHz. Compared to conventional two-phase and three-phase magnetostrictive material-contained ME composites, these composites possessed two distinct benefits of higher property-tailorable flexibility and requiring no external dc bias magnetic field to enable an obvious αV.
URI: http://hdl.handle.net/10397/17511
ISSN: 0947-8396
EISSN: 1432-0630
DOI: 10.1007/s00339-006-3805-8
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