Relaxation times at the rate-dependent glass transition
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Progress of Theoretical Physics
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The structural relaxation time near the cooling rate dependent glass transition is determined self-consistently within the Moynihan-Narayanaswami formalism. In order to illustrate the method we analyze scanning calorimetry data from amorphous calcium-rubidium nitrate. A characteristic time scale of about 250 s is obtained at the conventionally defined glass transition. The occurrence of decoupled, faster relaxation modes is briefly discussed.
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Pimenov, A.; Loidl, A.; Böhmer, R.: Relaxation times at the rate-dependent glass transition. In: Progress of Theoretical Physics Supplement Nr. 126(1997), S. 185-190.