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The chemical nature of interhalogen molecules in ICL and IBr-graphite from127I-and129I-Mössbauer spectroscopy

  • Part I Chemical Structure and Bonding
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Abstract

The127I- and129I-Mössbauer resonances are applied to study the chemical nature of the interhalogen molecules ICI and IBr in stage-1 and stage-2 graphite intercalation compounds (GICs) and, for sake of comparison, in their solid molecular modifications. For both GIC systems one observes, in support of a model for the intercalate structure derived from recent X-ray absorption studies, two sites with an intensity ratio 1∶1 and with similar isomer shifts and electric-quadrupole splittings. The charge transfer mechanisms are discussed in conjunction with complementary X-ray absorption and photoemission studies.

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Author notes

  1. G. Wortmann

    Present address: Fachbereich Physik, Universität Paderborn, D-4790, Paderborn, Germany

Authors and Affiliations

  1. Fachbereich Physik, Freie Universität Berlin, D-1000, Berlin 33, Germany

    M. Tiedtke & G. Wortmann

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  1. M. Tiedtke
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  2. G. Wortmann
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Tiedtke, M., Wortmann, G. The chemical nature of interhalogen molecules in ICL and IBr-graphite from127I-and129I-Mössbauer spectroscopy. Hyperfine Interact 53, 419–424 (1990). https://doi.org/10.1007/BF02101077

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  • DOI: https://doi.org/10.1007/BF02101077

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