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A magnetoelectric laminate composite based on length-magnetized Terfenol-D alloy and width-polarized ternary 0.35Pb(In1/2Nb1/2)O3-0.35Pb(Mg1/3Nb2/3)O3-0.30PbTiO3 single crystal has been developed and exhibits a giant magnetoelectric voltage coefficient of 1.7 V/Oe at low frequencies and 20 V/Oe at resonance frequency 84 020 Hz besides showing good linearity range of response in the field range of 1 pT-10 μT. Due to its small capacitance of 43 pF, a specially designed low-noise voltage follower was used to match the impedance. Based on the circuit, the detection limit of composite has been reached 1.9 pT/Hz1/2 at 1020 Hz and 300 fT/Hz1/2 at 84 020 Hz, respectively.
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Jiao et al. (2012) studied this question.
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