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Variation of the Relaxation Time for NiCuZn Ferrites with Magnetic Properties
Journal of Magnetics, Volume 1, Number 1, 30 Jun 1996, Pages 37-41
Abstract
The frequency dependence of complex permeability for various NiCuZn ferrites was investigated. The variation of complex permeability for NiCuZn ferrites can be presented as a form of a semi-circle, so called the Cole-Cole plot, and the relaxation phenomena were explained with various shapes of the plots. The relaxation time τ was calculated from frx, which is a relaxation frequency at µ"max . Relations between anisotropy field HA and relaxation time τ, initial permeability µi and HAwere plotted to identify the frequency dependence of complex permeability.
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