Combustion synthesis and characterization of cobalt ferrite nanoparticles

被引：72
|
作者：
Prabhakaran, T. [1 ]
Hemalatha, J. [1 ]
机构：
[1] Natl Inst Technol, Dept Phys, Adv Mat Lab, Tiruchirappalli 620015, India
来源：
CERAMICS INTERNATIONAL | 2016年 / 42卷 / 12期
关键词：
Magnetic materials; Sol-gel growth; Infrared spectroscopy; thermo gravimetric analysis (TGA); Magnetic properties; MAGNETIC-PROPERTIES; CATION DISTRIBUTION; MICROSTRUCTURE CHARACTERIZATION; COFE2O4; NANOPARTICLES; ZINC FERRITE; MN; COPRECIPITATION; NANOPOWDER; SIZE; OIL;
D O I：
10.1016/j.ceramint.2016.06.025
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：
Highly crystalline cobalt nano ferrites have been synthesized by the combustion route using DL-alanine, a racemic mixture of right handed (a) and left handed (L) chemical forms of alpha-alanine, as fuel. The synthesized samples were annealed at two different temperatures, viz. 500 degrees C and 800 degrees C, for 2 h to investigate the temperature effect on crystallite size, phase purity, thermal stability, Curie temperature, and magnetic properties. Formation of single-phase spinel nanoparticles in both the as-prepared and annealed conditions has been observed. High saturation magnetization (71.1 emu/g) for as-prepared sample and a high coercive field (1400 Oe) for the sample annealed at 500 degrees C/211 were obtained. (C) 2016 Elsevier Ltd and Techna Group S.r.l. All rights reserved.
引用
收藏
页码：14113 / 14120
页数：8
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