Acta Phys. -Chim. Sin. ›› 1990, Vol. 6 ›› Issue (02): 220-223.doi: 10.3866/PKU.WHXB19900217
• Note •
Liu Xiong; Gao Yi-Qun; Chen Xiang-Jian
The process of glass transition on the non-crystal SeTe_8Sb_1 has been researched using low temperature differential scanning calorimetry (DSC). The following conclusions are deduced: this process is a second-order phase transformation, the stronger endotherm displayed in it is imputed to hysteresis of the transition. The temperature of glass transition in heating process decrease with reduction of the cooling rate while forming glass. The activation energy of glass transition quickly increases from 174 kJ·mol. (at quenching rate ~10~4 K·min~(-1)) to 399 kJ·mol~(-1). (at cooling rate ~10 K·min~(-1)) So that the glass obtained at lower cooling rate is more stable than that obtained at higher rate.
Liu Xiong; Gao Yi-Qun; Chen Xiang-Jian. The Glass Transition of NON-Crystal Alloy SeTe8Sb1[J].Acta Phys. -Chim. Sin., 1990, 6(02): 220-223.
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