Abstract

Magnetic and electrical properties of ferrite powders are investigated by the use of a novel method, called Complex Material Properties from Scalar data (CMPS). The principles of the one-port method are detailed and they are verified by presenting measurement results. The complex relative permeability and permittivity of the samples are derived simultaneously by means of a network analyzer and control software. The coaxial sample holder designed for this measurement allows the investigation of liquid and porous materials. The presented method is supplemented by direct loss measurements at a single frequency in order to gain deeper knowledge of the investigated magnetic nanopowders.

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