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[7s, 2015] 

Journal of Electrical Engineering, Vol 66, 7s (2015) 116-119

MAGNETO-CHEMICAL COMPOSITION AND MAGNETIC PROPERTIES OF THE SELECTED SPINEL FERRITES

Vladimír Jančárik – Martin Šoka – Mariana Ušáková – Rastislav Dosoudil

   The aim of the presented research is to prepare thermally stable nickel zinc ferrite, with suitable Ni2+/Zn2+ ratio, and exam-ine the effect of partial substitution of Zn2+ ions with Cu2+ and Co2+ ions on the structural and magnetic properties. For that pur-pose, there were prepared the NixZn1-xFe2O4 (x = 0.30, 0.33, 0.36, 0.42, 0.50, 0.70) and Ni0.33Zn0.57Me0.1Fe2O4 (Me = Cu2+/Co2+) ferrite compositions by the self-propagated combustion method at the temperature of 850°C. Applied method of preparation al-lows to obtain oxide based materials with small particles and low process temperatures..

Keywords: nickel zinc ferrites, structural properties, magnetic properties


[full-paper]


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