Controlled preparation of monodisperse CoFe^sub 2^O^sub 4^ nanoparticles by a facile method

Controlled preparation of monodisperse CoFe^sub 2^O^sub 4^ nanoparticles by a facile method

CoFe^sub 2^O^sub 4^ nanoparticles (NPs) were synthesized by coprecipitation method using FeCl^sub 3^·6H2O and CoCl^sub 2^·6H2O as precursors. The synthesized conditions were optimized, such as added means of precipitator, quantity of precipitator, the mol ratio of Fe^sup 3+^ to Co^sup 2+^, reaction...

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Veröffentlicht in:Journal of Wuhan University of Technology. Materials science edition 2011-04, Vol.26 (2), p.257
Hauptverfasser: Wang, Hai, Huang, Jun, Ding, Liyun, Wang, Chao, Han, Yun
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Huang, Jun
Ding, Liyun
Wang, Chao
Han, Yun
description CoFe^sub 2^O^sub 4^ nanoparticles (NPs) were synthesized by coprecipitation method using FeCl^sub 3^·6H2O and CoCl^sub 2^·6H2O as precursors. The synthesized conditions were optimized, such as added means of precipitator, quantity of precipitator, the mol ratio of Fe^sup 3+^ to Co^sup 2+^, reaction temperature and pH value. The synthesized material was characterized by XRD, TEM, FTIR, EDS, Raman and its magnetic properties were studied by VSM. The experimental results confirm that the sample is cubic spinel structure CoFe^sub 2^O^sub 4^ with a narrow size distribution and a good dispersion feature. CoFe^sub 2^O^sub 4^ NPs with well-controlled shape and size was obtained at 70 °C. The magnetic properties indicate superparamagnetic behavior and good saturated magnetization.[PUBLICATION ABSTRACT]
doi_str_mv 10.1007/s11595-011-0209-1
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title Controlled preparation of monodisperse CoFe^sub 2^O^sub 4^ nanoparticles by a facile method
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