Abstract
The crystallization and the glass-transition temperatures, T c and T g, of Se 7Te 3 glasses were measured at heating rates of 10 −2 to 10 2°C/min. T c and T g exhibit weak heating-rate dependences at low heating rates, but the slopes of their heating-rate dependences become steep with increasing heating rate. T c and T g as a function of the heating rate are interpreted in terms of nucleation and fragmentation processes in random networks.
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