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Mössbauer effect measurements on the spin-glass Fe0.25Zn0.75F2

  • Magnetism and Magnetic Materials
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Abstract

We report57Fe Mössbauer measurements in the diluted antiferromagnetic (AF) FexZn1−xF2 withx=0.25 at temperatures between 4.2 and 28 K. DC susceptibility measurements show a spin-glass (SG) phase at low temperatures forx⪯0.3. Our Mössbauer spectra show a competitive coexistence of an SG phase and AF order. We propose an interpretation in terms of clusters in the AF order and some spins exhibiting SG behavior.

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Authors and Affiliations

  1. Instituto de Fisica, Universidade Federal do Rio Grande do Sul, Campus do Vale, 91500, Porto Alegre, RS, Brasil

    J. B. M. da Cunha, J. H. de Araujo, L. Amaral, A. Vasquez & J. T. Moro

  2. Departmento de Fisica, Universidade Federal de Pernambuco, 50739, Recife, PE, Brasil

    F. C. Montenegro, S. M. Rezende & M. D. Coutinho-Filho

Authors
  1. J. B. M. da Cunha
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  2. J. H. de Araujo
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  3. L. Amaral
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  4. A. Vasquez
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  5. J. T. Moro
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  6. F. C. Montenegro
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  7. S. M. Rezende
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  8. M. D. Coutinho-Filho
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da Cunha, J.B.M., de Araujo, J.H., Amaral, L. et al. Mössbauer effect measurements on the spin-glass Fe0.25Zn0.75F2 . Hyperfine Interact 54, 489–492 (1990). https://doi.org/10.1007/BF02396077

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  • DOI: https://doi.org/10.1007/BF02396077

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