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Comparative Mössbauer study of EuBa2 (Cu1-x 57Fe x )3O7-d and EuBa2Cu1-x 57Fe x )4O8 superconductors

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Abstract

Structural differences between the 1-2-3 type and 1-2-4 type high temperature superconductors were studied by comparing their151Eu and57Fe Mössbauer spectra. The similarities between the corresponding Mössbauer parameters of Eu Mössbauer spectra of 1-2-3 and 1-2-4 compounds demonstrate that the Eu state can be considered to be identical in both perovskites. The changes in the Fe Mössbauer parameters of 1-2-4 type superconductor compared to those of 1-2-3 type compound can be associated with structural differences.

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Authors and Affiliations

  1. Department of Nuclear Chemistry, Eötvös University, Budapest, Hungary

    E. Kuzmann, S. Nagy, M. Gál, Z. Homonnay & A. Vértes

  2. Department of General and Inorganic Chemistry, Eötvös University, Budapest, Hungary

    G. K. Sólymos & B. Csákvári

  3. Department of Low Temperature Physics, Eötvös University, Budapest, Hungary

    J. Bánkuti & I. Kirschner

Authors
  1. E. Kuzmann
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  2. S. Nagy
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  3. M. Gál
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  4. G. K. Sólymos
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  5. Z. Homonnay
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  6. A. Vértes
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  7. B. Csákvári
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  8. J. Bánkuti
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  9. I. Kirschner
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Kuzmann, E., Nagy, S., Gál, M. et al. Comparative Mössbauer study of EuBa2 (Cu1-x 57Fe x )3O7-d and EuBa2Cu1-x 57Fe x )4O8 superconductors. Hyperfine Interact 70, 1151–1154 (1992). https://doi.org/10.1007/BF02397533

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  • DOI: https://doi.org/10.1007/BF02397533

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