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Permeability Dispersion in Ni-Zn-Cu Ferrite and its Composite Materials

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Czechoslovak Journal of Physics Aims and scope

Abstract

The Ni0.27Zn0.63Cu0.10Fe2O4 sintered ferrite produced by a ceramic method was used for preparation of composite materials based on this ferrite and a non-magnetic polymer (PVC) matrix. The frequency dependences of complex initial permeability have been obtained in the frequency range 10 kHz to 1 GHz using impedance measurements and the contribution of two magnetizing mechanisms, domain wall motion and rotation of magnetic moment, to the permeability is discussed. In the case of composite materials, a simple magnetic circuit model approach including ferrite particle size and volume concentration effects is taken into account.

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Dosoudil, R., Ušáková, M., Sláma, J. et al. Permeability Dispersion in Ni-Zn-Cu Ferrite and its Composite Materials. Czech J Phys 54 (Suppl 4), 675–678 (2004). https://doi.org/10.1007/s10582-004-0171-7

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  • DOI: https://doi.org/10.1007/s10582-004-0171-7

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