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Relaxation within the electronic ground state of the ferrous ion in [Fe(H2O)6]K2(SO4)2 single crystals at low temperatures

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Abstract

Single crystal Mössbauer spectra of [Fe(H2O)6]K2(SO4)2 taken in external magnetic fields up to 5 T at low temperatures show large line broadenings, which are due to intermediate relaxation rates within the electronic orbital ground state. The spectra are fitted using a Blume stochastic relaxation model, the ferrous ion flipping between two electronic states. The results of the fit are discussed in a ligand field model of the hexaaquo-coordinated high-spin ferrous ion.

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Authors and Affiliations

  1. Physikalisches Institut, Universität Erlangen-Nürnberg, Erwin-Rommel-Strasse 1, D-91058, Erlangen, Germany

    G. Ritter

  2. II. Institut für Experimentalphysik, Universität Hamburg, Luruper Chaussee 149, D-22761, Hamburg, Germany

    O. Leupold

  3. KFKI Institute for Particle and Nuclear Physics, H-1524, Budapest, Hungary

    D. L. Nagy

Authors
  1. O. Leupold
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  2. D. L. Nagy
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  3. G. Ritter
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Leupold, O., Nagy, D.L. & Ritter, G. Relaxation within the electronic ground state of the ferrous ion in [Fe(H2O)6]K2(SO4)2 single crystals at low temperatures. Hyperfine Interact 93, 1553–1559 (1994). https://doi.org/10.1007/BF02072908

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  • DOI: https://doi.org/10.1007/BF02072908

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