Microstructure characterization and magnetic behavior of NiAlxFe2-xO4 and Ni1-yMnyAl0.2Fe1.8O4 ferrites

被引：13
作者：
Al-Haj, Mansour [1 ]
机构：
[1] Mutah Univ, Dept Phys, Mutah, Jordan
来源：
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2007年 / 311卷 / 02期
关键词：
ferrites; X-ray diffraction; scanning electron microscopy; magnetization;
D O I：
10.1016/j.jmmm.2006.08.010
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
NiAlxFe2-xO4 and Ni1-yMn gamma Al0.2Fe1.8O4 ferrites were prepared by the conventional ceramic method and were characterized by X-ray diffraction, scanning electron microscopy, and magnetic measurements. The single spinet phase was confirmed for all prepared samples. A proper explanation of data is possible if the Al3+ ions are assumed to replace Fe 31 ions in the A and B sites simultaneously for NiAlxFe2-xO4 ferrites, and if the Mn2+ ions are assumed to replace Ni2+ ions in the B sites for Ni1-yMnyAl0.2Fe1.8O4 ferrites. Microstructural factors play an important role in the magnetic behavior of Ni1-yMnyAl0.2Fe1.8O4 ferrites with large Mn2+ content. (C) 2006 Elsevier B.V. All rights reserved.
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收藏
页码：517 / 522
页数：6
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