Optical Spectroscopic Study of Lead Silicate Glasses Doped Heavily with Iron Oxide

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  • Ookawa Masashi
    Department of Chemistry, Faculty of Science, Hokkaido University
  • Sakurai Toru
    Department of Chemistry, Faculty of Science, Hokkaido University
  • Mogi Sayuri
    Department of Chemistry, Faculty of Science, Hokkaido University
  • Yokokawa Toshio
    Department of Chemistry, Faculty of Science, Hokkaido University

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  • Optical Spectroscopic Study of Lead Sil

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Optical absorption was investigated as for lead silicate glasses containing Fe3O4 up to 10 mol%, which have been melted under air or argon atmosphere. The absorption coefficient over the whole optical range increased with increase of iron content. The variations of the spectrum profiles were also observed with Fe2+ content; the tail from UV region shifted to low energy side and another absorption band (near 14500 cm−1) beside d-d transitions was observed. These were considered to be caused by the interaction including the charge transfer between Fe2+ and Fe3+ ions.

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