Chapter 11 magnetic nanoparticles in oxide glasses

Unique properties of the potassium-aluminum-boron glasses doped with low concentrations of MnO and Fe^sub 2^O^sub 3^ to make them magnetically ordered and optically transparent in the IR and visible ranges are due to the formation of nanoparticles of a cubic ferrite. Assembling and properties of nan...

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Published in:Physics of metals and metallography 2006-12, Vol.102 (S1), p.S2-S7
Main Authors: Edelman, I. S., Ivantsov, R. D., Vasil’eva, I. G., Vasil’ev, A. D., Bayukov, O. A., Ivanova, O. S., Prokof’ev, D. E., Stepanov, S. A., Kornilova, E. E., Zarubina, T. V., Malakhov, V. V., Zaikovskii, V. A.
Format: Article
Language:English
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Mineralogy
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Summary:Unique properties of the potassium-aluminum-boron glasses doped with low concentrations of MnO and Fe^sub 2^O^sub 3^ to make them magnetically ordered and optically transparent in the IR and visible ranges are due to the formation of nanoparticles of a cubic ferrite. Assembling and properties of nanosized ferrite particles in the glasses have been investigated by X-ray diffraction, differential dissolution analysis, high-resolution transmission electron microscopy, Mössbauer spectroscopy, magnetic measurements, and magnetooptical Faraday effect. It was shown that the ferrite particles vary highly in size, shape, stoichiometry, structural perfection, and space distribution depending on the preparation conditions. A correlation between the characteristics of nanostructured ferrite particles and magnetic properties of glasses has been established.[PUBLICATION ABSTRACT]
ISSN:0031-918X
1555-6190
DOI:10.1134/S0031918X0614002X