Magnetic enhancement in nano-sized Ni–Zn ferrite

被引：0
|
作者：
B. Ghosh
S. Kumar
机构：
[1] Jadavpur University,Department of Physics
来源：
Hyperfine Interactions | 2008年 / 183卷
关键词：
Magnetic enhancement; Ni–Zn ferrite; Mössbauer spectroscopic study;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Nanocrystalline Ni0.35Zn0.65Fe2O4 synthesized by mechanical alloying method and subsequent annealing at 300°C has been characterized by XRD, TEM and Mössbauer spectroscopic techniques. Mössbauer spectroscopic study divulges the enhancement of magnetic order, ordering temperature and magnetization in nano-crystalline sample compared to its bulk counterpart. This magnetic enhancement has mostly been prompted by cation redistribution in the nanosized sample. Zinc having strong A site affinity determines the nature and intensity of site exchange of cations, which has a strong influence in the genesis of enhancement/reduction in magnetic property of nano-crystalline Ni–Zn ferrite samples.
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页码：163 / 169
页数：6
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