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Infrared and Raman spectra of new molybdenum and tungsten oxyfluoride glasses

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Abstract

The infrared (400–1200 cm−1) and Raman (200–1150 cm−1) spectra are reported for the new AO3-BaF2-RF glasses where A is molybdenum or tungsten and RF is the alkali fluoride LiF, NaF and mixed LiF-NaF respectively. The observed absorption bands of each glass series were assigned to their vibrational modes. This study has shown that structural units formed in these glasses include [MoO4] and [WO4] tetrahedra, [MoO6], [WO6], [MoF6] and [WF6] octahedra groups.

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Authors and Affiliations

  1. Physics Department, Faculty of Science, Menoufia Univ., Shebin El-Koom, Egypt

    I. Z. Hager & R. El-Mallawany

  2. Lab. Mater. Photoniques, Univ. des Rennes 1, 35042, Rennes, France

    M. Poulain

Authors
  1. I. Z. Hager
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  2. R. El-Mallawany
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  3. M. Poulain
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Hager, I.Z., El-Mallawany, R. & Poulain, M. Infrared and Raman spectra of new molybdenum and tungsten oxyfluoride glasses. Journal of Materials Science 34, 5163–5168 (1999). https://doi.org/10.1023/A:1004799510599

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  • DOI: https://doi.org/10.1023/A:1004799510599

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