LACAME 2006 pp 103-111 | Cite as

Structural, magnetic and hyperfine characterization of zinc-substituted magnetites

  • A. C. S. da CostaEmail author
  • I. G. de SouzaJr.
  • M. A. Batista
  • K. L. da Silva
  • J. V. Bellini
  • A. PaesanoJr.
Conference paper


Nanosized Fe3 − x Zn x O4 powders were synthesized by co-precipitation and characterized by total chemical analysis, X-ray diffraction, magnetic susceptibility and Mössbauer spectroscopy. The results showed that, for x ≤ 0.15, the as-prepared samples are mostly zinc-substituted magnetites but have maghemite as a minor phase. For x ≥ 0.30, only the Fe3 − x Zn x O4 solid solution is found. Increasing the zinc content from the end concentration x = 0, increases the lattice parameter but smaller become the mean crystalline diameter and the magnetic susceptibility. In addition, the magnetic hyperfine fields of the iron sites in the spinel structure, A and B, decrease up to collapse at x ≤ 0.90.


Spinels Isomorphous substitution Zn-substituted Mössbauer spectroscopy 


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Copyright information

© Springer Science + Business Media B.V. 2008

Authors and Affiliations

  • A. C. S. da Costa
    • 1
    Email author
  • I. G. de SouzaJr.
    • 1
  • M. A. Batista
    • 1
  • K. L. da Silva
    • 2
  • J. V. Bellini
    • 2
  • A. PaesanoJr.
    • 2
  1. 1.Departamento de AgronomiaUniversidade Estadual de MaringáMaringáBrazil
  2. 2.Departamento de FísicaUniversidade Estadual de MaringáMaringáBrazil

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