Korean Journal of Materials Research (한국재료학회지)

Materials Research Society of Korea (한국재료학회)
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Synthesis and Characterization of NixMn1-xFe2O4 Nanoparticles by a Reverse Micelle Process

  • Kim, Sun-Woog (School of Nano & Advanced Materials Science Engineering., Changwon National Univ.) ;
  • Kim, Hyeon-Cheol (School of Nano & Advanced Materials Science Engineering., Changwon National Univ.) ;
  • Kim, Jun-Seop (School of Nano & Advanced Materials Science Engineering., Changwon National Univ.) ;
  • Kim, Hyun-Ju (School of Nano & Advanced Materials Science Engineering., Changwon National Univ.) ;
  • Bae, Dong-Sik (School of Nano & Advanced Materials Science Engineering., Changwon National Univ.)
  • Published : 2008.06.30
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Abstract

A preparation of $Ni_xMn_{1-x}Fe_2O_4$ nanoparticles produced via the reduction of Nickel nitrate hexahydrate, Manganese (II) nitrate hexahydrate and Iron nitrate nonahydrate with hydrazine in Igepal CO-520/cyclohexane reverse micelle solutions was investigated. Transmission Electron Microscope (TEM), X-ray Diffraction (XRD) and Vibration Sample Magnetometer (VSM) analyses showed that the resultant nanoparticles increased the molar ration of water to Igepal CO-520 as the concentrations of Nickel nitrate hexahyrate, Manganese (II) nitrate hexahydrate and Iron nitrate nonahydrate increased. The average size of the synthesized particles calcined at $600^{\circ}C$ for 2hrs was in the range of 20 nm to 30 nm, and the particle distribution was broadened. The phase of the synthesized particles was crystalline, and the magnetic behavior of the synthesized particles was superparamagnetism. The effect of the synthesis parameters of the molar ratio of water to surfactant and the calcination temperature was discussed.

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References

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