Journal of Materials Science

, Volume 42, Issue 10, pp 3603–3606

X-Ray diffraction and mössbauer spectra of nickel ferrite prepared by combustion reaction

  • M. A. F. Ramalho
  • L. Gama
  • S. G. Antonio
  • C. O. Paiva-Santos
  • E. J. Miola
  • R. H. G. A. Kiminami
  • A. C. F. M. Costa
Article

DOI: 10.1007/s10853-006-0383-2

Cite this article as:
Ramalho, M.A.F., Gama, L., Antonio, S.G. et al. J Mater Sci (2007) 42: 3603. doi:10.1007/s10853-006-0383-2

Abstract

Nickel ferrite powders with a nominal NiFe2O4 composition were synthesized by combustion reaction using urea as fuel. The powder was obtained using a vitreous silica basin heated directly on a hot plate at 480 °C until self-ignition occurred. After combustion, the powder was calcined at 700 °C for 2 h. The formation of the spinel phase and the distribution of cations in the tetrahedral and octahedral sites of the crystal structure were investigated by the Rietveld method, using synchrotron X-ray diffraction data and Mössbauer spectroscopy. The material presented a crystallite size of 120 nm and magnetic properties. The resulting stoichiometry after the Rietveld refinement was (Fe0.989(2) Ni0.011(2)) [Fe1.012(2) Ni0.989(2)] O4.

Copyright information

© Springer Science+Business Media, LLC 2007

Authors and Affiliations

  • M. A. F. Ramalho
    • 1
  • L. Gama
    • 1
  • S. G. Antonio
    • 2
  • C. O. Paiva-Santos
    • 2
  • E. J. Miola
    • 3
  • R. H. G. A. Kiminami
    • 4
  • A. C. F. M. Costa
    • 1
  1. 1.Department of Materials EngineeringFederal University of Campina GrandeCampina GrandeBrazil
  2. 2.Department of Physical Chemistry, Institute of ChemistryPaulista State UniversityAraraquaraBrazil
  3. 3.Department of PhysicsFederal University of São CarlosSão CarlosBrazil
  4. 4.Department of Materials EngineeringFederal University of São CarlosSão CarlosBrazil

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