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Fast paramagnetic relaxation in Mössbauer spectra of ferrocenium salts

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Abstract

We performed 57Fe Mössbauer spectroscopy on differently substituted ferrocenium salts. The spectra exhibit a temperature dependent non-Lorentzian absorption line due to fast paramagnetic relaxation processes. χ2 fits using a two-level stochastic fluctuation theory revealed an activated temperature behaviour of the relaxation rate interpreted in terms of an Orbach process.

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Authors and Affiliations

  1. Institut für Metallphysik und Nukleare Festkörperphysik, Technische Universität Braunschweig, D-38106, Braunschweig, Germany

    M. Abraham, H.-H. Klauß, W. Wagener & F.J. Litterst

  2. Laboratorium für Anorganische Chemie, Universität Bayreuth, D-95447, Bayreuth, Germany

    A. Hofmann & M. Herberhold

Authors
  1. M. Abraham
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  2. H.-H. Klauß
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  3. W. Wagener
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  4. F.J. Litterst
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  5. A. Hofmann
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  6. M. Herberhold
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Abraham, M., Klauß, HH., Wagener, W. et al. Fast paramagnetic relaxation in Mössbauer spectra of ferrocenium salts. Hyperfine Interactions 120, 253–256 (1999). https://doi.org/10.1023/A:1017079507919

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  • DOI: https://doi.org/10.1023/A:1017079507919

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