The effect of Ni2+ substitution on CoFe2O4 based on natural iron sand using co-presipitation method
), P L Gareso(2), N S Asri(3), A P Tetuko(4), E A Setiadi(5),
(1) Departement of Physics, Faculty of Mathematics and Natural Sciences, Hasanuddin University, Jl. Perintis Kemerdekaan KM 10 Tamalanrea-Makassar 90245 Indonesia.
(2) Departement of Physics, Faculty of Mathematics and Natural Sciences, Hasanuddin University, Jl. Perintis Kemerdekaan KM 10 Tamalanrea-Makassar 90245 Indonesia.
(3) Research Centre of Physics, Indonesia Institute of Sciences (LIPI), Puspiptek Area, Tangerang Selatan 15314, Indonesia.
(4) Research Centre of Physics, Indonesia Institute of Sciences (LIPI), Puspiptek Area, Tangerang Selatan 15314, Indonesia.
(5) Research Centre of Physics, Indonesia Institute of Sciences (LIPI), Puspiptek Area, Tangerang Selatan 15314, Indonesia.
Corresponding Author
Abstract
Magnetic nanoparticles of Cobalt Nickel Ferrite (Co1-xNixFe2O4) have been synthesized by the co-precipitation method with various concentrations of moles of Ni2+ as a constituent in Co1-xNixFe2O4 (x = 0.25, 0.50 and 0.75). The Co1-xNixFe2O4 structured shows the single phase of crystal was formed with a cubic spinel structure. The crystallite size estimated using the Scherer formula was found that the crystallite size decreased with increasing concentration of Ni2+. The samples with various concentration of Ni2+ showed coercivity and saturation magnetization was decreased by the increasing of concentration of Ni2+.
Keywords
nanoparticles, Co1-xNixFe2O4, co-precipitation
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