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Supercooled Liquids and Glass Transitions
Abstract The transition from a supercooled liquid to an amorphous solid differs even qualitatively from ordiinary phase transitions, both those of first and second order. One characteristic feature is that the transition always occurs over a finite temperature range, but this can be very narrow and it then results in rapid changes in various experimentally measurable quantities. A nearly discontinuous change of thermal expansion coefficient, compressibility and heat capacity is observed. The entropy and free energy vary continuously and it is only their slopes versus temperature or density which change abruptly. The glass transition is therefore often determined from the position of this change in slope.
Supercooled Liquids and Glass Transitions
Abstract The transition from a supercooled liquid to an amorphous solid differs even qualitatively from ordiinary phase transitions, both those of first and second order. One characteristic feature is that the transition always occurs over a finite temperature range, but this can be very narrow and it then results in rapid changes in various experimentally measurable quantities. A nearly discontinuous change of thermal expansion coefficient, compressibility and heat capacity is observed. The entropy and free energy vary continuously and it is only their slopes versus temperature or density which change abruptly. The glass transition is therefore often determined from the position of this change in slope.
Supercooled Liquids and Glass Transitions
Sjölander, Alf (author)
Recent Progress in Many-Body Theories ; 1 ; 153-160
1988-01-01
8 pages
Article/Chapter (Book)
Electronic Resource
English
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