Preparation of the SrFe12O19-based magnetic composites via boron oxide glass devitrificationстатья
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Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Аннотация:Magnetic composites were obtained in the system SrO-Fe2O3-B2O3 by oxide glass heat treatment at 600-950 degrees C. Samples of the composites were investigated using XRD analysis. magnetic measurements, electron microcopy, and thermal analysis. It was shown that chemical composition of the precursor oxide glass and thermal treatment conditions influenced on the SrFe12O19 particles morphology and magnetic properties. The composites and powders were obtained containing hexaferrite as single domain platelet crystals or polycrystalline aggregates with a coercive force up to 6300 Oe in the former case and 4200 Oe in the latter case. (c) 2005 Elsevier B.V. All rights reserved.