Various Coiled Magnetoimpedance Based on Differential Magnetic Permeability Variation

J. Moutoussamy 1 C. Coillot 2 G. Chanteur 1 Francisco Alves 3
1 LPP - Laboratoire de Physique des Plasmas
2 L2C - Laboratoire Charles Coulomb
3 LGEP - Laboratoire de génie électrique de Paris
Abstract : The present work is focused on high sensitivity (5000 V/T) transverse coiled GMI transducers manufactured with various magnetic materials, magnetically excited at low frequencies (f < 50 kHz) by an insulated coil which is also used for the measurement of the DC and low frequency magnetic field. The impedance and the sensitivity of different types of ferromagnetic material as nanocrystalline ribbons (Finemet) annealed under longitudinal and transverse magnetic fields, as mumetal ribbons and Mn–Zn thin ferrite core are investigated with respect to the static magnetic field. From these results, the differential magnetic permeability is approximated in order to predict sensitivity behavior in relation to the anisotropy magnetic field and the magnitude and the frequency of current excitation.
Type de document :
Article dans une revue
Sensor letters, American Scientific Publishers, 2013, 11 (1), pp.40-43. 〈10.1166/sl.2013.2800〉
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https://hal-supelec.archives-ouvertes.fr/hal-01089670
Contributeur : Thierry Leblanc <>
Soumis le : mardi 2 décembre 2014 - 10:18:57
Dernière modification le : vendredi 31 août 2018 - 09:13:08

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Citation

J. Moutoussamy, C. Coillot, G. Chanteur, Francisco Alves. Various Coiled Magnetoimpedance Based on Differential Magnetic Permeability Variation. Sensor letters, American Scientific Publishers, 2013, 11 (1), pp.40-43. 〈10.1166/sl.2013.2800〉. 〈hal-01089670〉

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