HIGH CURIE TEMPERATURE OF NANOSIZED NiZn FERRITE PARTICLES SYNTHESIZED BY A COMBUSTION METHOD

被引：5
|
作者：
Verma, Seema [1 ]
Joy, P. A. [1 ]
机构：
[1] Phys & Mat Chem Div, Natl Chem Lab, Dr Homi Bhabha Rd, Pune 411008, Maharashtra, India
来源：
INTERNATIONAL JOURNAL OF NANOSCIENCE | 2008年 / 7卷 / 01期
关键词：
Magnetic materials; NiZn ferrite; nanoparticles; Curie temperature; synthesis;
D O I：
10.1142/S0219581X08005158
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The magnetic properties of nanocrystalline powders of Ni0.5Zn0.5Fe2O4, synthesized at low temperatures, by a combustion method, have been investigated. Different powders containing crystallites of comparable average size, obtained by varying the synthesis conditions, show a large difference in the superparamagnetic blocking temperature due to the wide difference in the size distribution. The ferrite nanoparticles show large Curie temperature enhancement up to similar to 100 K, when compared to that of the bulk.
引用
收藏
页码：43 / 49
页数：7
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