Impedance and magnetization studies of ultrafine Ni-Zn ferrite

被引：0
|
作者：
Ramamoorthy, R
Ramasamy, S
Narayanasamy, A
机构：
来源：
JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY | 1997年 / 13卷 / 04期
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中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Ultrafine Ni0.5Zn0.5Fe2O4 powder was prepared by PVA aided chemical method. The powder and sintered pellets were characterised by X-ray diffraction (XRD), vibrating sample magnetometry (VSM), thermogravimetric analysis (TGA) and complex impedance (CI) analysis. The particles are found to be in the size range of 15 to 26 nm for various annealing temperatures. The coercivity, saturation magnetisation, Neel temperature and electrical conductivity are found to vary with sintering time at 800 degrees C for the pellet samples. The variations in the above intrinsic properties are explained qualitatively.
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页码：289 / 292
页数：4
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