Abstract
The magnetoelectric effect of a laminate composite made by sandwiching a Rosen-type Pb(Mg1/3Nb2/3)O3–PbTiO3 (PMN–PT) single crystal transformer between two length-magnetized magnetostrictive Tb0.3Dy0.7Fe1.92 (Terfenol-D) alloy plates has been investigated. An additional giant sharp longitudinal–longitudinal (L–L) mode resonant magnetoelectric voltage coefficient of 15.6 V Oe−1 due to the transformer voltage gain effect was observed besides the longitudinal–transverse (L–T) mode magnetoelectric voltage coefficient of 4.0 V Oe−1. Moreover, our novel dual-mode (L–L and L–T) laminate can provide two independent output ports, which makes the composite a promising material for multifunctional application in magnetic sensors and magnetoelectric transducers.
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