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Temperature dependencies of the shear modulus of bulk glassy in the initial state (1st run), in the relaxed state (2nd run, after heating up to 570–590 K), and after full crystallization at 773 K (3rd run) at indicated heating rates. The calorimetric glass transition temperature Tg determined at 7.5 K/min is shown by the arrow.
Temperature dependencies of the derivative in the initial (1st run) and relaxed (2nd run) states at .
Activation energy spectrum for structural relaxation reconstructed using Eq. (3) from shear modulus measurements in the initial and relaxed state at indicated .
Temperature dependences of the defect concentration in the initial (1st run) and relaxed (2nd run) states at indicated heating rates together with the quasi-equilibrium defect concentrations reached isothermally (see Refs. 22 and 23 ).
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