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Mössbauer studies of the magnetic behavior of amorphous Mn x Sn1−x alloys

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Abstract

We present systematic low temperature in situ119Sn Mössbauer effect (ME) studies in vapor quenched amorphous Mn x Sn1−x (0.09<x<0.95) alloys between 150 and 4.2 K. It is shown that the magnetic behavior of the system is correctly displayed by the transferred magnetic hyperfine (hf) interactions detected at the119Sn site. Combining the results of the concentration dependence of the transferred magnetic hf field and the ordering temperature with recent ac-magnetic susceptibility data reported on this system, a complete magnetic phase diagram is proposed. The effect of an external magnetic field (up to about 3 T) on the spin correlations in the spin-glass state is also discussed.

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References

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Author notes

  1. V. Drago

    Present address: Departmento de Física, Universidade Federal de Santa Catarina, 88.049, Florianópolis, Brasil

  2. M. M. Abd-Elmeguid

    Present address: Institut für Experimentalphysik IV, Ruhr Universität, D-4630, Bochum, Fed. Rep. Germany

Authors and Affiliations

  1. Centro Brasileiro de Pesquisas Físicas, CBPF/CNPq, Rua Dr. Xavier Sigaud 150, 22290, Rio de Janeiro, RJ, Brasil

    V. Drago, E. Baggio Saitovitch & M. M. Abd-Elmeguid

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  1. V. Drago
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  2. E. Baggio Saitovitch
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  3. M. M. Abd-Elmeguid
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Drago, V., Saitovitch, E.B. & Abd-Elmeguid, M.M. Mössbauer studies of the magnetic behavior of amorphous Mn x Sn1−x alloys. Hyperfine Interact 51, 1061–1068 (1989). https://doi.org/10.1007/BF02407826

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