Abstract
The paper presents a study of the phase composition, morphology, magnetic and electromagnetic properties both of Y-type hexaferrites Ba2Ni2–xCuxFe12O22 (x = 0.4, 1.0, 1.2) and composites produced therefrom. Hexaferrites are synthesized via standard ceramic method. Ferromagnetic resonance technique is applied to measure the magnetocrystalline anisotropy of synthesized hexaferrites. The spectra of permeability and permittivity and the frequency dependences of the reflection coefficients of composite materials are studied at the microwave frequency band. It is shown that these materials can be used in the production of radarabsorbing materials and coatings in the frequency range of 3.5–12.2 GHz.
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