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Mössbauer effect of57Co in LiTaO3 — Effects of a variety of heat treatments

  • Lattice Dynamics Phase Transitions
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Abstract

LiTaO3 single crystals were doped with57Co. Heat treatments of the crystals in the various atmospheres (Ar, Ar/H2 etc.) very sensitively influenced the charge states of iron formed after the EC of57Co. Fe2+ Fe3+ and metallic clusters are formed depending on the treatments in the various atmospheres. The observed effects were found reversible by changing the reducing and oxidising atmospheres.

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Authors and Affiliations

  1. FB 12.1 Werkstoffwissenschaften, Universität des Saarlandes, Bau 22, D-6600, Saarbrücken, F.R. Germany

    G. Andler, H. Engelmann, I. Dézsi & U. Gonser

Authors
  1. G. Andler
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  2. H. Engelmann
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  3. I. Dézsi
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  4. U. Gonser
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Andler, G., Engelmann, H., Dézsi, I. et al. Mössbauer effect of57Co in LiTaO3 — Effects of a variety of heat treatments. Hyperfine Interact 55, 1121–1126 (1990). https://doi.org/10.1007/BF02397134

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  • DOI: https://doi.org/10.1007/BF02397134

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