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Title: dc magnetoelectric sensor based on direct coupling of Lorentz force effect in aluminum strip with transverse piezoelectric effect in 0.7Pb(Mg₁/₃ Nb₂/₃)O₃-0.3PbTiO₃single-crystal plate
Authors: Leung, CM
Or, DSW 
Ho, SL 
Keywords: Aluminium
Electric sensing devices
Lead compounds
Magnetic sensors
Magnetoelectric effects
Issue Date: 1-May-2010
Publisher: American Institute of Physics
Source: Journal of applied physics, 1 May 2010, v. 107, no. 9, 09E702, p. 1-3 How to cite?
Journal: Journal of applied physics 
Abstract: We report theoretically and experimentally a dc magnetoelectric sensor consisting of a thickness-polarized 0.7Pb(Mg₁/₃Nb₂/₃)O₃–0.3PbTiO₃(PMN-PT) piezoelectric single-crystal plate arranged along the longitudinal direction and sandwiched between a pair of electrically connected aluminum strips. The operation of the sensor is based on the direct coupling of the Lorentz force effect in the aluminum strips in response to an applied dc magnetic field under a reference ac electric current with the transverse piezoelectric effect in the PMN-PT single-crystal plate. The sensor shows a good linear ac electric voltage response to broad ranges of applied dc magnetic field of 0–180 mT and reference ac electric current of 1–100 mA, giving a high and linear current-controlled dc magnetic field sensitivity of 0.23 V/T/A. It also provides the direction information of the applied dc magnetic field.
ISSN: 0021-8979 (print)
1089-7550 (online)
DOI: 10.1063/1.3337748
Rights: © 2010 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in C. M. Leung, S. W. Or & S. L. Ho, J. Appl. Phys. 107, 09E702 (2010) and may be found at
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