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Gamma-x ray coincidence Mössbauer spectroscopic study of the aftereffects in sulfate hydrates

  • After-Effects of Nuclear Transformation
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Abstract

The anomalous charge states formed after the electron capture decay, of57Co in FeSO4·H2O and FeSO4·7H2O are investigated using the conventional Mössbauer emission spectroscopy and a gamma-X ray coincidence method. This method is based on the idea that a Mössbauer spectrum observed with the coincidence technique only when K-X rays are emitted is reflected by isolated events with a reduced influence of the Auger-electron self-irradiation. The formation of the anomalous electronic and structural configuration is attributed to the self-radiolysis of the H2O and SO 2−4 ligands in the nearest and the second nearest coordination shells around the decaying atom.

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Authors and Affiliations

  1. Department of Physics, Shiga University of Medical Science Otsu, 520-21, Shiga, Japan

    T. Kobayashi, T. Makita & K. Fukumura

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  1. T. Kobayashi
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  2. T. Makita
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  3. K. Fukumura
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Kobayashi, T., Makita, T. & Fukumura, K. Gamma-x ray coincidence Mössbauer spectroscopic study of the aftereffects in sulfate hydrates. Hyperfine Interact 56, 1533–1538 (1990). https://doi.org/10.1007/BF02405471

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  • DOI: https://doi.org/10.1007/BF02405471

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