Low temperature synthesis of Ni0.8Zn0.2Fe2O4 powder and its characterization

被引：176
|
作者：
Kumar, PSA [1 ]
Shrotri, JJ [1 ]
Kulkarni, SD [1 ]
Deshpande, CE [1 ]
Date, SK [1 ]
机构：
[1] NATL CHEM LAB,DIV PHYS CHEM,PUNE 411008,MAHARASHTRA,INDIA
来源：
MATERIALS LETTERS | 1996年 / 27卷 / 06期
关键词：
Ni-Zn ferrite; coprecipitation; magnetization; Curie temperature; microstructure; VSM;
D O I：
10.1016/0167-577X(96)00010-9
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Polycrystalline nickel-zinc ferrite powder was obtained by chemical coprecipitation involving the corresponding metal nitrates and sodium hydroxide. The precipitate, when dried at 80 degrees C in air, was characterized by powder XRD, SEM and VSM measurements. It shows the formation of cubic ferrite with saturation magnetization M(s) approximate to 44 emu/g. When calcined at 1200 degrees C, the magnetization reached 96% of the saturation value, M(S) approximate to 67 emu/g. The temperature dependence of magnetization confirmed the Curie temperature T-C approximate to 480 degrees C.
引用
收藏
页码：293 / 296
页数：4
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