The non-isothermal crystallization kinetics of novel Bi_xGa₅Ge₂₀Sb_10-xSe₄₅Te₂₀ (x = 1,3,5,10) glasses are studied with differential scanning calorimetry method, and analysed using Frazer-Suzuki fitting function. The applicability of Johnson-Mehl-Avrami (JMA) model to describe the crystallization kinetics in these materials is verified, and JMA exponent is determined for the relevant crystallization processes. It is found, that substitution of Sb with Bi in glass composition leads to a decrease in optical gap and thermal stability of the glass, and increase in the density and crystallization activation energy for glass-ceramics formation.

用差示扫描量热法研究了新型Bi _x Ga ₅ Ge ₂₀ Sb _10-x Se ₄₅ Te ₂₀（x = 1,3,5,10）玻璃的非等温结晶动力学，并使用Frazer-Suzuki拟合函数进行了分析。 。验证了Johnson-Mehl-Avrami（JMA）模型描述这些材料中结晶动力学的适用性，并确定了相关结晶过程的JMA指数。发现在玻璃组成中用Bi取代Sb导致玻璃的光学间隙和玻璃的热稳定性降低，并且增加了用于形成玻璃陶瓷的密度和结晶活化能。