Structure and properties of silver phosphate glasses — Infrared and visible spectra

The infrared and visible spectra of glasses in the Ag 2OP 2O 5 glass-forming system were obtained. The infrared data were interpreted as indicating the presence of polymeric chains in these glasses. The partial covalent nature of the AgOP bond was discussed. A mixed NaPO 3AgPO 3 glass showed no...

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Bibliographic Details
Published in:Journal of non-crystalline solids 1972, Vol.7 (3), p.221-235
Main Author: Bartholomew, Roger F.
Format: Article
Language:English
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Summary:The infrared and visible spectra of glasses in the Ag 2OP 2O 5 glass-forming system were obtained. The infrared data were interpreted as indicating the presence of polymeric chains in these glasses. The partial covalent nature of the AgOP bond was discussed. A mixed NaPO 3AgPO 3 glass showed no unexpected bands in the infrared spectrum, again showing that silver is behaving in a manner similar to alkali metal ions in phosphate glasses. The shift in the absorption edge in the visible spectra of glasses of different Ag/P ratio was shown to arise from either an increase in the concentration of nonbridging oxygens with increasing silver content, or the presence of colloidal silver metal particles.
ISSN:0022-3093
1873-4812
DOI:10.1016/0022-3093(72)90024-5