Ferrimagnetic Zinc Ferrite fine powders
Hamdeh, Hussein H. Ho, James C. Kramer, J. Oliver, S. A. Willey, R. J. Chen, Y.Y. Lin, S.H. Yao, Y.D. Daturi, M. Busca, G.
Hamdeh, Hussein H.
Ho, James C.
Kramer, J.
Oliver, S. A.
Willey, R. J.
Chen, Y.Y.
Lin, S.H.
Yao, Y.D.
Daturi, M.
Busca, G.
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1995-11-30
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H. H. Hamdeh et al., "Ferrimagnetic zinc ferrite fine powders," in IEEE Transactions on Magnetics, vol. 31, no. 6, pp. 3808-3810, Nov. 1995, doi: 10.1109/20.489779
Abstract
Partially inverted fine powders of zinc ferrite (ZnFe2O4) were produced by chemical aerogel synthesis. These powders showed magnetic ordering at temperatures to 250K. Upon ball milling, a much higher inversion parameter was attained, yielding ferrimagnetic powders having small remanence and coercive fields at room temperature. Due to the small mean particle size, superparamagnetic behavior was seen at temperatures above 25K. Powder properties were characterized by x-ray diffraction, electron microscopy, calorimetry, magnetometry, and Mössbauer effect spectroscopy techniques. © 1995 IEEE
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This is an open access article under the CC by license
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Institute of Electrical and Electronics Engineers Inc.
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IEEE Transactions on Magnetics
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00189464