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Study of magnetic properties and lattice dynamics of the Cd x Co1−x ferrite system by Mössbauer effect

  • Condensed Matter
  • Published:
Acta physica Academiae Scientiarum Hungaricae

Abstract

The magnetic properties and lattice dynamics of the spinel ferrite system Cd x Co x−1Fe2O4 (x=0.0, 0.1,…, and 1) were studied in the temperature range between 78 K to 800 K. The results showed that the samples withx=0.0 up to 0.5 are antiferromagnetic at room temperature, and a magnetic disorder transformation started to appear atx=0.6. The Neel temperature was found to decrease with increasing cadmium concentration. The reduced hyperfine magnetic fields for A and B sites were found to follow the Brillouin function and One-Third-Power Law. The results showed that the introduction of the Cs2+ ions decreased thef-value and Debye temperature. The anisotropic energy, for 0.1≤x≤0.9 was found to be of the order of 2×10−21 J.

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Authors and Affiliations

  1. Mössbauer Laboratory, Faculty of science, Al Azhar University, Cairo, Egypt

    N. A. Eissa, H. A. Sallam, M. K. Fayek, S. H. Salah & M. Y. Hassaan

Authors
  1. N. A. Eissa
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  2. H. A. Sallam
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  3. M. K. Fayek
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  4. S. H. Salah
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  5. M. Y. Hassaan
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Eissa, N.A., Sallam, H.A., Fayek, M.K. et al. Study of magnetic properties and lattice dynamics of the Cd x Co1−x ferrite system by Mössbauer effect. Acta Physica 51, 313–318 (1981). https://doi.org/10.1007/BF03155588

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  • DOI: https://doi.org/10.1007/BF03155588

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