Synthesis and Magnetic Properties of Bulk Ferrites Spinels Ni0.5Zn0.5Fe2O4: Experimental an Ab-Initio Study

Polycrystalline Ni 0.5 Zn 0.5 Fe 2 O 4 ferrites have been prepared using the solid-state reaction technique. The structure of ferrite was measured using an X-ray diffractometer (XRD). It is shown that the structure of Ni 0.5 Zn 0.5 Fe 2 O 4 ferrites is a single spinel structure. The magnetic propert...

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Bibliographic Details
Published in:Journal of superconductivity and novel magnetism 2014, Vol.27 (1), p.177-181
Main Authors: Masrour, R., El Moussaoui, H., Salmani, E., Mounkachi, O., Ez-Zahraouy, H., Hamedoun, M., Hlil, E. K., Benyoussef, A.
Format: Article
Language:English
Subjects:
Approximation
Characterization and Evaluation of Materials
Condensed Matter Physics
Density
Ferrites
Magnetic Materials
Magnetic properties
Magnetism
Mathematical analysis
Original Paper
Physics
Physics and Astronomy
Spinel
SQUIDs
Strongly Correlated Systems
Superconducting quantum interference devices
Superconductivity
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Summary:Polycrystalline Ni 0.5 Zn 0.5 Fe 2 O 4 ferrites have been prepared using the solid-state reaction technique. The structure of ferrite was measured using an X-ray diffractometer (XRD). It is shown that the structure of Ni 0.5 Zn 0.5 Fe 2 O 4 ferrites is a single spinel structure. The magnetic properties of the samples were tested at room temperature by a superconducting quantum interference device (SQUID) to determine magnetic properties versus temperature and applied magnetic field. Based on first-principles spin-density functional calculations, using the Korringa–Kohn–Rostoker method (KKR) combined with the coherent potential approximation (CPA), the ferromagnetic and half-metallic behaviors was observed with LDA (local density approximation) and LDA–SIC (local density approximation-self-interaction correction) approximation.
ISSN:1557-1939
1557-1947
DOI:10.1007/s10948-013-2234-0