Synthesis of magnetic glass-ceramics in the system SrO-Fe2O3-Al2O3-B2O3

被引：20
|
作者：
Zaitsev, D. D. [1 ]
Kazin, P. E. [2 ]
Trusov, L. A. [1 ]
Vishnyakov, D. A. [1 ]
Tretyakov, Yu. D. [1 ,2 ]
Jansen, M. [3 ]
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
来源：
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2006年 / 300卷 / 01期
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.2005.10.197
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Samples of magnetic glass-ceramics were obtained in the system SrO-Fe2O3-Al2O3-B2O3 by heat treatment of initial oxide glasses at 600-900 degrees C. The hexaferrite particles obtained in the glass-ceramics demonstrated hexagonal platelet shape. Samples of the glass-ceramics were characterized by maximal values of the coercive forces of 6600, 7300, and 7700 Oe depending on the chemical composition, which were higher than obtained in the past for the SrFe12O19 based glass-ceramics. Increasing the coercive force apparently connected with substitution of iron by aluminum in hexaferrite. (C) 2005 Elsevier B.V. All rights reserved.
引用
收藏
页码：E473 / E475
页数：3
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