Investigations on Controlled-Size-Precipitated Cobalt Ferrite Nanoparticles

被引：28

作者：

Kumar, Vinod ^{[1
]}

Rana, Anu ^{[1
]}

Kumar, Nitu ^{[1
]}

Pant, Rajendra P. ^{[1
]}

机构：

[1] Natl Phys Lab, New Delhi 110012, India

来源：

INTERNATIONAL JOURNAL OF APPLIED CERAMIC TECHNOLOGY | 2011年 / 8卷 / 01期

关键词：

MAGNETIC-PROPERTIES; FERROFLUIDS; COFE2O4;

D O I：

10.1111/j.1744-7402.2009.02412.x

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Size-dependent nanocrystalline cobalt ferrite (CoFe(2)O(4)) particles have been synthesized by coprecipitation and investigated in detail. The effects of reducing the particle size on physical properties like crystalline phase, crystallite size, lattice strain, IR absorption, thermomagnetic measurements, and magnetization parameter are studied. Structural parameters in relevance to the shape and size of nanoparticles are discussed. The crystalline phase of cobalt ferrite remains stable down to 5 nm. Size-dependent magnetization and the effect of surface area are presented. Characterization of samples has been performed using X-ray diffractometer, transmission electron microscope, Fourier transform infrared spectrophotometer, vibrating sample magnetometer, and thermogravimetric analysis techniques.

引用

页码：120 / 126

页数：7

共 14 条

[1] Spindly cobalt ferrite nanocrystals: Preparation, characterization and magnetic properties [J].