Structural, Dielectric, and Magnetic Properties of NiZnCu Ferrites Synthesized by Reactive Spark Plasma Sintering Process

Karim Zehani Vincent Loyau 1 Behzad Ahmadi 2 Yannick Champion 3 L. Bessais 4 Martino Lobue 1 Eric Labouré 5 Frédéric Mazaleyrat 6
1 SATIE-MME - Matériaux Magnétiques pour l'Energie
CSEE - Composants et Systèmes pour l'Energie Electrique
2 G2ELab - Laboratoire de Génie Electrique de Grenoble
3 Centre d'Etudes de Chimie Métallurgique, UPR 2801 CNRS, F-94407 Vitry sur Seine, France
4 CMTR - Chimie métallurgique des terres rares
5 LGEP - Laboratoire de génie électrique de Paris
6 SATIE - Systèmes et Applications des Technologies de l'Information et de l'Energie
Abstract : Conventional methods for preparing ferrites are time-consuming processes, which require high temperatures in the order of 1200°C . The reactive spark plasma sintering method is a more rapid procedure involving lower temperatures. Different parameters of this newly introduced procedure should be optimized to obtain better magnetic properties over different frequency ranges. In this paper, emphasize is put on the milling conditions of nanoscale precursors oxides. The influence of sintering and milling conditions on some major properties of these very fine grained NiZnCu ferrites, such as permeability, permittivity, and saturation magnetization, is investigated. As the prospective applications of these materials are in high-frequency range, the dependence of magnetic losses on these properties is also investigated.
Type de document :
Article dans une revue
IEEE Transactions on Magnetics, Institute of Electrical and Electronics Engineers, 2014, 50 (4), pp.1 - 4. 〈10.1109/TMAG.2013.2284766〉
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https://hal-supelec.archives-ouvertes.fr/hal-01100797
Contributeur : Thierry Leblanc <>
Soumis le : mercredi 7 janvier 2015 - 10:27:21
Dernière modification le : mercredi 11 avril 2018 - 15:10:08

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Karim Zehani, Vincent Loyau, Behzad Ahmadi, Yannick Champion, L. Bessais, et al.. Structural, Dielectric, and Magnetic Properties of NiZnCu Ferrites Synthesized by Reactive Spark Plasma Sintering Process. IEEE Transactions on Magnetics, Institute of Electrical and Electronics Engineers, 2014, 50 (4), pp.1 - 4. 〈10.1109/TMAG.2013.2284766〉. 〈hal-01100797〉

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