SnO2-(1-x)P2O5 -xB2O3 유리의 열적, 구조적 특성 = Structure and Thermal Properties of SnO2-(1-x)P2O5 -xB2O3 Glasses

다국어 초록 (Multilingual Abstract)

SnO2-(1-x)P2O5-xB2O3 glass system were prepared by melt-quenching technique in the compositional series containing 50, 55 and 60 mol% of SnO2. Local structure of the glasses was investigated by Raman and FT-IR measurements. A large glass-forming region was found at the phosphate side of the ternary system with homogeneous glasses containing up to 5~25 mol% of B2O3. According as content of B2O3 increases, theraml expansion coefficient of glass decreased but transition temperature and softening temperature increased. Because these phenomenon changed local structure of glass. According as content of B2O3 increases, quantity of bridging oxygen increased. Also, according as content of SnO2 increases, confirmed that quantity of non-bridging oxygen increases.

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