Preparation and microwave absorption property of nanophase barium ferrite by citrate method

被引：0
|
作者：
Zhang, Yan-Qing [1 ]
机构：
[1] Sch. of Mat. Sci. and Eng., Tongji Univ., Shanghai 200092, China
来源：
Tongji Daxue Xuebao/Journal of Tongji University | 2004年 / 32卷 / 02期
关键词：
Absorption - Chemical reactions - Metallographic microstructure - Microwaves - Scanning electron microscopy - Sol-gels;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Ba-ferrite material was prepared by using citrate Sol-Gel method. The phases, size and shape of ferrite materials are different in various heat treatments. Ferrites including BaFe12O19, γ-Fe2O3, BaFe2O4 and α-Fe2O3 were produced when heated to 650°C. But when temperature was higher than 800°C, the main phase was only hexagonal Ba-ferrite crystal BaFe12O19 with a diameter of 50-60 nm and microwave absorption property.
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页码：208 / 212
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