Abstract
129I-Mössbauer spectroscopy was used to study the short-range order in I-containing chalcogenide glasses. It was found that AsXI glasses, where X=S or Se, are molecular solids composed from molecular units of arsenic iodide and arsenic chalcogenide. The local environment of iodide ions in ternary superionic conducting glasses AgI−Ag2S−As2S3 is similar to that in the crystalline superionic conductor Ag3SI and differs distinctly from iodide local order in binary vitreous alloys AgI−As2S3 and crystalline AgI.129I-Mössbauer spectra of all glasses were fitted satisfactory, when a distribution of the electric-quadrupole coupling constant is taken into account.
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Bychkov, E.A., Ganzha, Y.V., Grushko, Y.S. et al. 129I-Mössbauer spectroscopic study of iodide-containing chalcogenide glasses. Hyperfine Interact 55, 921–925 (1990). https://doi.org/10.1007/BF02397100
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DOI: https://doi.org/10.1007/BF02397100