Please use this identifier to cite or link to this item: https://doi.org/10.1016/S0925-8388(99)00514-9
Title: Magnetic properties of cobalt ferrite/SiO2 nanocomposite
Authors: Mekala, S.R.
Ding, J. 
Issue Date: 10-Jan-2000
Citation: Mekala, S.R., Ding, J. (2000-01-10). Magnetic properties of cobalt ferrite/SiO2 nanocomposite. Journal of Alloys and Compounds 296 (1-2) : 152-156. ScholarBank@NUS Repository. https://doi.org/10.1016/S0925-8388(99)00514-9
Abstract: Nanocrystalline cobalt ferrite dispersed in silica was prepared by mechanical alloying and subsequent heat-treatment. For Co-ferrite with 15 wt% silica, a high coercivity of up to 3.3 kOe and a magnetization of 68 emu/g were obtained after an optimized heat treatment (in air at 900 °C). Experiments were conducted to study the optimum amount of silica required to obtain optimum magnetic properties. It was found that a small amount of 4.5 wt% silica (SiO2) allows the composite to possess good magnetic properties (coercivity of 3 kOe and saturation magnetization of 72 emu/g).
Source Title: Journal of Alloys and Compounds
URI: http://scholarbank.nus.edu.sg/handle/10635/107099
ISSN: 09258388
DOI: 10.1016/S0925-8388(99)00514-9
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