Abstract
Besides the study of inorganic oxide glasses using traditional MAS NMR of abundant nuclei (e.g. phosphorus, aluminium) the measurement of less common nuclei (e.g. Tin) provide important structural information. The experimental setup is more complicated due to the low natural abundance (8.5%), large chemical shift anisotropies (up to 1000 ppm), and long relaxation times of these nuclei (up to 500 s). Results will be presented for 119-Tin MAS NMR measurements of P2O5-SnO2 glasses. We have found a large change of Tg and phosphorus coordination at different Tin content.
© 1997 Optical Society of America
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