共 12 条
Preparation of the SrFe12O19-based magnetic composites via boron oxide glass devitrification
被引:40
作者:
Zaitsev, DD
[1
]
Kushnir, SE
Kazin, PE
Tretyakov, YD
Jansen, M
机构:
[1] Moscow MV Lomonosov State Univ, Dept Mat Sci, Moscow 119992, Russia
[2] Moscow MV Lomonosov State Univ, Dept Chem, Moscow 119992, Russia
[3] Max Planck Inst Festkorperforsch, D-70569 Stuttgart, Germany
基金:
俄罗斯基础研究基金会;
关键词:
Sr-ferrite;
glass-ceramics;
magnetic properties;
D O I:
10.1016/j.jmmm.2005.08.002
中图分类号:
T [工业技术];
学科分类号:
08 ;
摘要:
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.
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页码:489 / 494
页数:6
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