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Inorganic Materials

, Volume 54, Issue 3, pp 283–287 | Cite as

Local Environment of Fe Ions in a 40ZnO · 60B2O3 Glass Matrix

  • A. A. Osipov
  • R. T. Zainullina
  • L. M. Osipova
  • N. K. Nikandrova
  • A. B. Mironov
Article
  • 15 Downloads

Abstract

The valence state and coordination environment of the Fe ions in a number of Fe-containing zinc borate glasses with the general formula xFe2O3–(100–x)[40ZnO · 60B2O3] (x = 2.5–10 mol %) have been studied by Mössbauer spectroscopy. The results indicate that all of the glasses contain both Fe2+ and Fe3+ ions. The percentage of trivalent ions considerably exceeds that of Fe2+ ions and the relationship between the Fe2+ and Fe3+ concentrations is essentially independent of the Fe2O3 content in the zinc borate matrix. Most of the Fe3+ ions are in tetrahedral coordination, but raising the Fe2O3 content to above 5 mol % leads to a gradual increase in the percentage of Fe ions in octahedral coordination.

Keywords

Mössbauer spectroscopy glass structure 

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Copyright information

© Pleiades Publishing, Ltd. 2018

Authors and Affiliations

  • A. A. Osipov
    • 1
  • R. T. Zainullina
    • 1
  • L. M. Osipova
    • 1
  • N. K. Nikandrova
    • 1
  • A. B. Mironov
    • 1
  1. 1.Institute of Mineralogy, Ural BranchRussian Academy of SciencesMiass, Chelyabinsk oblastRussia

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