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Dependence of magnetic field sensitivity of a magnetoelectric laminate sensor pair on separation distance: Effect of mutual inductance

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6 Author(s)
Li, Menghui ; Department of Materials Science and Engineering, Virginia Tech, Blacksburg, Virginia 24061, USA ; Wang, Yaojin ; Gao, Junqi ; Gray, David
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The effect of mutual inductance on the performance of a pair of Metglas/Pb(Zr,Ti)O3 laminate magnetoelectric (ME) sensors has been studied. The effective value of the ME coefficient (αME) for the laminates was reduced when the distance between was < 40 mm. Separating the two laminates by distances of > 40 mm, the effect of mutual inductance was small. The laminates exhibited the maximum values of αME. The ME sensor unit with two laminates connected in parallel had higher magnetic field sensitivities.

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Journal of Applied Physics  (Volume:111 ,  Issue: 3 )