Magnetic properties of nickel ferrite nanoparticles prepared using flotation extraction

被引：11
|
作者：
Mirgorod, Yu. A. [1 ]
Borshch, N. A. [1 ]
Fedosyuk, V. M. [2 ]
Yurkov, G. Yu. [3 ]
机构：
[1] SW State Univ, Kursk 305040, Russia
[2] Belarussian Acad Sci, Sci Pract Mat Res Ctr, Minsk 220072, BELARUS
[3] Russian Acad Sci, Baikov Inst Met & Mat Sci, Moscow 119991, Russia
来源：
INORGANIC MATERIALS | 2013年 / 49卷 / 01期
关键词：
NIFE2O4; COFE2O4; FE3O4; GAS;
D O I：
10.1134/S0020168512110064
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A method has been proposed for the preparation of nickel ferrite nanoparticles in a system of direct sodium dodecyl sulfate micelles using ion flotation. Amorphous nickel ferrite nanoparticles with the overall composition xNiFe(2)O(4) center dot yFe(2)O(3) center dot zH(2)O, containing dodecyl sulfate anion impurities, have been prepared. According to transmission electron microscopy results, the size distribution of the synthesized nanoparticles has a maximum in the range 4 to 6 nm, and the ferrite is X-ray amorphous. The blocking temperature of the synthesized nanoparticles is 25 K. The ferrite possesses superparamagnetic properties, with a specific saturation magnetization of 15 A m(2)/kg at 5 K.
引用
收藏
页码：109 / 114
页数：6
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