Abstract
A systematic investigation on glass formation in the PbF 2–InF 3–BaHPO 4 ternary system has been carried out. These glasses have characterized by IR spectra, Raman spectra and differential thermal analysis. The results show that the structure of these glasses is mainly affected by BaHPO 4 and InF 3 contents. With decreasing BaHPO 4 content, the glass structure gradually transforms from metaphosphate to polyphosphate. When InF 3 content is low, it mainly acts as network modifier, when its content is high; it enters glass matrix and forms In(O,F) 6 groups connecting the polymerized phosphorus oxygen species. PbF 2 mainly acts as network modifier in this system. Systematic variations of the glass transition temperature and the thermal stability index agree well with these results. The most stable glass with Δ T = 230 °C and S = 21.79 K is obtained.
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