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Title: Additional dc magnetic field response of magnetostrictive/piezoelectric magnetoelectric laminates by Lorentz force effect
Authors: Jia, Y
Tang, Y
Zhao, X
Luo, H
Or, DSW 
Chan, HLW 
Keywords: Magnetoelectric effects
Terbium compounds
Dysprosium compounds
Piezoelectric materials
Issue Date: 18-Dec-2006
Publisher: American Institute of Physics
Source: Journal of applied physics, 18 Dec. 2006, v. 100, no. 12, 126102, p. 1-3 How to cite?
Journal: Journal of applied physics 
Abstract: We have discovered that traditional long-type magnetoelectric laminate composite of magnetostrictive Tb[sub 1−x]Dy[sub x]Fe[sub 2−y] and piezoelectric materials possesses additional ability of detecting dc magnetic field, using the product effect of the Lorentz force effect from Terfenol-D metal strips in dc magnetic field applied with an ac electrical current and the piezoelectric effect from piezoelectric material. The output voltage between the two faces of piezoelectric (1−x)Pb(Mg[sub ⅓]Nb[sub ⅔])O₃-xPbTiO₃ single crystal shows a good linear response to applied dc magnetic field of 100-1200 Oe under different ac electrical current inputs (0.4-200 mA). The magnetoelectric coefficient is about ~64.1 mV/T A. The additional dc magnetic field response of magnetostrictive/piezoelectric magnetoelectric laminates driven by Lorentz force makes this composite hopeful for application in coil-free ac/dc magnetic-sensitive sensors. At the same time, for this composite, the additional ability will not affect the primal ability for detecting ac magnetic field.
ISSN: 0021-8979
Rights: © 2006 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 Y. Jia et al., J. Appl. Phys. 100, 126102 (2006) and may be found at
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