Enhanced magnetoelectric effect for flexible current sensor applications

Abstract : This article focuses on the magnetoelectric (ME) effect that could be obtained in a bilayered structure consisting of the Cytop polymer and a magnetic tape filled with magnetically soft particles. The ME behavior was characterized by measuring the amplitude of the magnetoelectric current versus various input parameters that appear in theoretical expressions, i.e., the bias magnetic field, the alternative magnetic field, and the applied frequency. Experimental results were investigated together with theoretical models in order to determine the ME coupling value. It was found that the laminate material of a transversely charging electret along with bias magnetic tape could attain significant magnetoelectric properties, which were the result of the mechanical contacts between the layers and the electric-mechanical and magnetic-mechanical coupling in each phase. All the results demonstrated a possibility to realize a low-cost flexible current sensor while achieving an improved magnetoelectric response. © 2014 AIP Publishing LLC.
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Submitted on : Wednesday, April 18, 2018 - 5:41:52 PM
Last modification on : Wednesday, March 27, 2019 - 5:48:02 PM

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M.-Q. Le, F. Belhora, A. Cornogolub, P.-J. Cottinet, L. Lebrun, et al.. Enhanced magnetoelectric effect for flexible current sensor applications. Journal of Applied Physics, American Institute of Physics, 2014, 115 (19), ⟨10.1063/1.4876910⟩. ⟨hal-01770279⟩

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