Mixed magnetic phase in nano-sized Ni-Zn ferrite system

被引：0
|
作者：
Ghosh, B. [1 ]
Kumar, S. [1 ]
Poddar, A. [2 ]
Mazumdar, C. [2 ]
机构：
[1] Univ Jadavpur, Dept Physiol, Kolkata 700032, India
[2] Saha Inst Nucl Phys, Kolkata 700064, W Bengal, India
来源：
MAGNETIC MATERIALS | 2008年 / 1003卷
关键词：
superparamagnetism; ferri-magnetism; nanostructured ferrite; Mossbauer effect;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We report structural, morphological (particle size, shape) and magnetic properties of nanosized Ni0.5Zn0.5Fe2O4 prepared by high-energy ball milling. We have employed XRD, HRTEM and Mossbauer spectroscopic techniques to achieve the goal. Sample exhibits superparamagnetic behaviour at room temperature. At 21 K the ferrimagnetic ordering and collective excitation along with a strong super-paramagnetic contribution give rise to a mixed magnetic phase.
引用
收藏
页码：82 / +
页数：2
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