Magnetization anomalies of nanosize zinc ferrite particles prepared using electrodeposition

Nanosize zinc ferrite particles have been prepared for the first time using electrodeposition. Zinc and iron are deposited on the cathode from a common bath containing the salts of zinc and iron. The deposited materials were forced to undergo electrochemical oxidation in a strong alkaline solution (...

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Bibliographic Details
Published in:Journal of magnetism and magnetic materials 2006-11, Vol.306 (1), p.98-102
Main Authors: Roy, M.K., Verma, H.C.
Format: Article
Language:English
Subjects:
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Electrodeposition
Exact sciences and technology
Ferrite
Magnetic properties and materials
Magnetic properties of nanostructures
Magnetization
Nanoparticle
Physics
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Summary:Nanosize zinc ferrite particles have been prepared for the first time using electrodeposition. Zinc and iron are deposited on the cathode from a common bath containing the salts of zinc and iron. The deposited materials were forced to undergo electrochemical oxidation in a strong alkaline solution (1 M KOH) to convert them into oxides. Crystallization in ZnFe 2O 4 structure was obtained by heating the deposited material at appropriate temperature. X-ray diffraction pattern confirmed that the procedure leads to the formation of pure phase of ZnFe 2O 4. The magnetization value for the smallest size ZnFe 2O 4 is much smaller than that for the ZnFe 2O 4 made by most of the other methods although it shows a nice hysteresis shape. The magnetization shows very little variation with size in the range studied.
ISSN:0304-8853
DOI:10.1016/j.jmmm.2006.02.229