Journal of Materials Science

, Volume 14, Issue 10, pp 2335–2342 | Cite as

The Si-O bonding in Na2O-TiO-SiO2 and K2O-TiO2-SiO2 glasses as studied by SiKβ X-ray fluorescence and infra-red absorption spectroscopy

  • Sumio Sakka
  • Hitoshi Hotta


The SiKβ fluorescence X-ray and infra-red absorption spectra of Na2O-TiO2-SiO2 and K2O-TiO2-SiO2 glasses have been measured in order to study the Si-O bonding as a function of the composition of glass. The chemical shifts of the SiKβ peak relative to that of silica glass [Δλ=λ(SiO2)-λ(specimen)>0] and the wavenumbers of the infra-red absorption peaks around 950cm−1 and 1100 cm−1 have been determined from the spectra. The SiKβ chemical shift in both series of glasses increased with increasing total content of R2O and TiO2 and with decreasing ratio of TiO2/(K2O+TiO2), where R2O represents Na2O or K2O. The infra-red peaks around 950 cm−1 and 1100 cm−1 shifted towards lower wavenumbers with increasing total content of R2O and TiO2 and with decreasing ratio of TiO2/(R2O+TiO2). These experimental facts were interpreted as showing that the Si-O bond in glass was weakened as the total content of R2O and TiO2 increased and that the Si-O bond was weakened by R2O more than by TiO2.


TiO2 Chemical Shift Total Content Silica Glass GeO2 


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Copyright information

© Chapman and Hall Ltd. 1979

Authors and Affiliations

  • Sumio Sakka
    • 1
  • Hitoshi Hotta
    • 1
  1. 1.Faculty of EngineeringMie UniversityMie-KenJapan

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