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Article Dans Une Revue Journal of Applied Physics Année : 2010

Design of magnetic concentrators for high sensitivity anisotropic magnetoresistor devices

Résumé

In this work, a very promising shape of magnetic concentrators taking advantage of the symmetrical flux leakage of Mn-Zn ferrite magnetic cores is presented. This configuration consists of two ferromagnetic rods separated by two air gaps allowing to place anisotropic magnetoresistance sensors in the core axis. Results from three-dimensional finite elements modeling are presented. We show that an appropriate shape optimization of core extremities enables to improve significantly the amplification factor without any increase in length.
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Dates et versions

hal-01553769 , version 1 (03-07-2017)

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Malik Mansour, Christophe Coillot, Gérard Chanteur, A. Roux, Frédéric Nguyen van Dau. Design of magnetic concentrators for high sensitivity anisotropic magnetoresistor devices. Journal of Applied Physics, 2010, 107, pp.09E707. ⟨10.1063/1.3337747⟩. ⟨hal-01553769⟩
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