Magnetoelectric effect in a parallel sandwich of magnetostrictive pseudo-1-3 composite and piezoelectric 2-2 composite


A two-phase magnetoelectric (ME) parallel sandwich was developed by bonding two longitudinally magnetized Terfenol-D/epoxy pseudo-1-3 magnetostrictive composite plates on two longitudinally polarized PZT/epoxy 2-2 piezoelectric composite plates combined longitudinally as a single plate and with their polarization directions arranged in reverse directions. A significantly large ME voltage sensitivity (MEV) of 3.1 V/Oe was observed at the resonance frequency of 42.8 kHz under a relatively low bias field of 0.8 kOe. This resonance MEV was ∼35 times larger than its nonresonance values, showing great promise of using the proposed sandwich in ME conversion devices.Department of Applied Physic

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