Vibrational spectroscopic studies of some lead silicate glasses.
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Vibrational spectroscopic studies of some lead silicate glasses. by Clive Anthony Worrell

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Published by University of Salford in Salford .
Written in English

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PhD thesis, Chemistry.

ID Numbers
Open LibraryOL20308737M

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C.A. Worrell, T. Henshall, Vibrational spectroscopic studies of some lead silicate glasses, Journal of Non-Crystalline Solids, /(78), 29, 3, (), (). Crossref GEORGE H. SIGEL, Optical Absorption of Glasses, Glass I: Interaction with Electromagnetic Radiation - Treatise on Materials Science and Technology, 10 Cited by: Vibrational spectroscopic studies of some lead silicate glasses. Journal of Non-Crystalline Solids , 29 (3), DOI: /(78) J. A. Bucaro, L. Flax. Application of acoustic surface waves to the study of surface properties of ion‐exchanged by: Raman spectroscopy of glasses and melts is a powerful technique which can provide information about the silicate network connectivity via the study of Q n-species distribution and also on other tetrahedrally coordinated cations such as aluminium, phosphorus, ferric iron and ly, Raman spectroscopy of glasses and melts has focused on information obtained about the speciation of. spectroscopy to probe the structures of silicate glasses and melts, which are summarized in Table l. This article is intended to review these studies for alkati and alkaline earth silicate systems. The initial section discusses in detail the experimental observations for the ensemble of Raman studies of simple silicate glasses and melts. This.

  The structure of xWO 3 ( − x)[2P 2 O 5 PbO] glass system with 0 ⩽ x ⩽ 50 mol% was investigated by Raman spectroscopy. The characteristic bands of these glasses due to the stretching and bending vibrations were identified and analyzed by the increasing of WO 3 content. This fact allowed us to identify the specific structural units which appear in these glasses and thus to point.   Fig. 1 presents the set of Raman spectra taken from binary sodium silicate glasses with different amount of sodium. The spectra are vertically shifted in order to avoid their overlapping for sake of better visibility. The dominant band located around cm −1 corresponds to the oxygen breathing vibrations of the Si O Si linkage within large rings of SiO 4 tetrahedra in the glass framework. The FT-IR and FT-Raman spectra of three-layered silicates, magadiite, kenyaite, and ilerite have been measured. The correlation between vibrational spectra and the structural properties of silicates under investigation has been made. The unit cells of all three silicates appear to be centrosymmetric since the mutual exclusion rule applies. The factor group symmetries of magadiite and ilerite. The polarized Raman spectra and infrared powder absorption spectra for PbO xSiO2 glasses, with ⩽x⩽2, were measured and interpreted in terms of the structure of the glasses. Comparison of the spectra of the glasses with the spectra of numerous stable and metastable crystalline phases was also made. It was found that the glasses are composed of a number of silicate species.

Raman spectroscopic studies of alkali and alkaline earth silicate glasses and melts are reviewed, and the major Raman bands observed for these series are summarized. Vitreous silica shows weak bands near and cm −1, a medium intensity band group . W R Taylor, Application of infrared spectroscopy to studies of silicate glass structure: Examples from the melilite glasses and the systems Na2O-SiO2 and Na2O-Al2O3-SiO2, Journal of Earth System Science, /BF, 99, 1, (), ().   40PbO–(10 − x)PbF 2 –50 SiO 2:xWO 3 (where x = 1 to 7 mol%) glasses are prepared in the glass forming region. Spectroscopic studies (UV–Vis absorption, ESR, IR) are carried out for these glasses. Interesting changes are observed in the spectroscopic parameters of these glasses when the concentration of WO 3 is changing in the glass matrix. Two absorption bands are observed around at. Structural Studies of Silicate Glasses and Melts-Applications and Limitations of Raman Spectroscopy Article (PDF Available) in American Mineralogist 69(6) July with Reads.