publication . Article . 2012

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

Frederic Mazaleyrat;
Open Access English
  • Published: 17 Feb 2012
  • Publisher: HAL CCSD
  • Country: France
International audience; 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 Ferrit...
free text keywords: Spark Plasma Sintered Ferrites, Magnetic loss, Rayleigh loops, Temperature dependence, Soft Magnetic Materials, 75.50.Dd, 75.50.Tt, 75.75.-c, 75.47.Lx, [ PHYS.PHYS.PHYS-INS-DET ] Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det], [ SPI.MAT ] Engineering Sciences [physics]/Materials, [PHYS.PHYS.PHYS-INS-DET]Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det], [SPI.MAT]Engineering Sciences [physics]/Materials, General Physics and Astronomy, Ferrite (magnet), Condensed matter physics, Hysteresis, Grain size, Sintering, Magnetic hysteresis, Spark plasma sintering, Physics, Magnetization, Frequency band

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