Novelty characterization and enhancement of magnetic properties of Co and Cu nanoferrites

  • Ebtesam E. Ateia
  • Asmaa A. El-Bassuony
  • Galila Abdelatif
  • Fatma S. Soliman


Cobalt and copper nano ferrites synthesized by citrate technique were characterized by X-ray diffraction technique, field emission scanning electron microscopy, transmission electron micrographs, energy dispersive X-ray spectroscopy and atomic force microscope. The average crystallite sizes of Cu and Co were 24.7 and 37.7 nm respectively. The magnetic properties were studied by carrying out the hysteresis of MFe2O4 (M-Cu2+, Co2+) at room temperature and at 77 K. The data showed that CuFe2O4 has the lower saturation magnetization. While CoFe2O4 has the larger coercive field due to the high anisotropy of Co2+ ions. The variation in saturation magnetization and coercivity for the investigated samples were explained on the bases of exchange interactions. The magnetic properties of the investigated samples changed at low temperature (77 K) which were observed in shape of the magnetic hysteresis M(H) loops as well as the coercivity and the squareness values. Co samples will be hopeful for technological applications at or below room temperature.


Ferrite Field Emission Scanning Electron Microscopy Select Area Electron Diffraction CoFe2O4 Cation Distribution 
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Copyright information

© Springer Science+Business Media New York 2016

Authors and Affiliations

  • Ebtesam E. Ateia
    • 1
  • Asmaa A. El-Bassuony
    • 1
  • Galila Abdelatif
    • 1
  • Fatma S. Soliman
    • 1
  1. 1.Physics Department, Faculty of ScienceCairo UniversityGizaEgypt

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