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Temperature dependence of magnetic behaviour in very fine grained, spark plasma sintered NiCuZn Ferrites

Abstract : Recently, using spark plasma sintering technique, a family of very fine grained, fully dense NiCuZn ferrites have been produced which show constant permeability up to several 10 MHz. These Ferrites can be used for filtering purposes in high frequency applications where a wide frequency band is required. In this paper we study the magnetization processes taking place in these nano grained materials, in the frequency interval of 100kHz to 5MHz. Using a fluxmetric hysteresis graph, permeability, loss and BH loops are measured at different temperatures, from -5°C to 110°C. Results are compared to the behaviour of micrometric grain size Ferrites, which are commonly used for power electronic and high frequency applications.
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https://hal.archives-ouvertes.fr/hal-00675776
Contributor : Behzad Ahmadi <>
Submitted on : Friday, March 16, 2012 - 7:00:08 AM
Last modification on : Wednesday, September 16, 2020 - 4:43:58 PM
Long-term archiving on: : Monday, June 18, 2012 - 3:50:17 PM

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Behzad Ahmadi, Karim Zehani, Martino Lobue, Vincent Loyau, Frédéric Mazaleyrat. Temperature dependence of magnetic behaviour in very fine grained, spark plasma sintered NiCuZn Ferrites. Journal of Applied Physics, American Institute of Physics, 2012, 111 (7), pp.07A5 10. ⟨10.1063/1.3675983⟩. ⟨hal-00675776⟩

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