The article describes the major stages of research on magnetic materials carried out over the centuries, which have contributed to the discovery and further understanding of new materials. In relation to the above results of investigations carried out in recent years at the Institute of Physics of the Częstochowa University of Technology, concerning the determination of the sources of the magnetic properties and the mechanisms of magnetization of magnetically hard materials, in conjunction with the observations of the domain structure, are presented. Moreover, further interesting results have been obtained from the investigation of the microstructure and magnetic properties of magnetically soft materials - amorphous and nanocrystalline films. New technologies for the production of magnetic materials using the arc-plasma spraying technique and the suction-casting method enabling the production of massive amorphous alloys (bulk amorphous magnetic materials) are also described.
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