Tunable magnetoelectric resonance devices

We have found that the electromechanical resonance frequency of Terfenol-D/Pb(ZrxTi1?x)O3 laminated composites can be tuned by an applied dc magnetic (Hdc) bias. With increasing Hdc from 0 to 5000?Oe, the resonance frequency (fr) can be shifted over the range of 40 ? fr ? 55?kHz. This finding offers a means by which to enhance the effective bandwidth of resonance enhanced magnetoelectric devices.

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