Journal of Magnetics

The Korean Magnetics Society (한국자기학회)
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Dependence of Structural and Magnetic Properties on Annealing Times in Co-precipitated Cobalt Ferrite Nanoparticles

  • Purnama, Budi (Department of Physics, Faculty of Math and Natural Sciences Sebelas Maret University) ;
  • Rahmawati, Rafika (Department of Physics, Faculty of Math and Natural Sciences Sebelas Maret University) ;
  • Wijayanta, Agung Tri (Department of Mechanical Engineering, Faculty of Engineering Sebelas Maret University) ;
  • Suharyana, Suharyana (Department of Physics, Faculty of Math and Natural Sciences Sebelas Maret University)
  • Received : 2015.06.19
  • Accepted : 2015.08.05
  • Published : 2015.09.30
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Abstract

Modifications in the structural and magnetic properties of co-precipitated cobalt ferrite nanoparticles can be accomplished by varying the annealing time periods during the synthetic process. Experimental results show that high-purity cobalt ferrite nanoparticles are obtained using a co-precipitation process. The dependence of the crystallite sizes on the annealing time was successfully demonstrated using XRD and SEM. Finally, vibrating sample magnetometer analyses show that the magnetic properties of the cobalt ferrite nanoparticles depend on their relative particle sizes.

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References

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