Compositional dependence of properties of SnO-P2O5 glasses

Autor:	Hiromichi Takebe, Makoto Kuwabara, Jaemin Cha, Tetsuro Kubo
Rok vydání:	2008
Předmět:	Materials science Transition temperature Analytical chemistry General Chemistry Condensed Matter Physics Phosphate glass symbols.namesake Distilled water Absorption edge Materials Chemistry Ceramics and Composites symbols Binary system Glass transition Raman spectroscopy Refractive index
Zdroj:	Journal of the Ceramic Society of Japan. 116:915-919
ISSN:	1348-6535 1882-0743
DOI:	10.2109/jcersj2.116.915
Popis:	Binary SnO-P2O5 (SP) glasses with 52-72 SnO mol% were examined. Glass transition temperature, density, refractive index and absorption edge were studied for transparent SP glasses. The structure of SP glasses was evaluated by FT/IR and Raman spectroscopy. The water durability was investigated by weight loss and Raman spectroscopy for SP glass samples immersed in distilled water at 30-70°C. Raman spectra indicated in the immersion test that Q1 units form and Q2 units decrease as a result of water attack upon the phosphate chains with increasing immersion time in 62SnO·38P2O5 glass and no structural change was observed in 72SnO·28P2O5 glass. The relationship between the properties and glass structure with chemical bonding is discussed.
Databáze:	OpenAIRE
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