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[8s, 2006] 

Journal of Electrical Engineering, Vol 57, 8s (2006) 163-166

STUDY OF Sr AND Ba HEXAFERRITE PREPARED BY LOW TEMPERATURE AUTO-COMBUSTION METHOD

Vladimír Jančárik – Anna Grusková – Jozef Sláma – Rastislav Dosoudil

   Thermomagnetic analysis – temperature dependence of initial magnetic susceptibility χ(T) was used as main method of study of Ba and Sr ferrites. Mössbauer spectroscopy as well as temperature dependence of saturation polarization are also presented as supporting methods. Ferrite samples were prepared by various methods – ceramic, citrate precursor and low-temperature combustion. Magnetic properties as specific saturation and remanent magnetic polarization and coercivity were compared.

Keywords: magnetization characteristic, magnetic susceptibility, Curie temperature, Mössbauer spectrum, hexagonal ferrite


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