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Beta relaxation of nonpolymeric liquids close to the glass transition

By Niels Boye Olsen, Tage Emil Christensen and Jeppe Dyre


Dielectric beta relaxation in a pyridine-toluene solution is studied close to the glass transition. Loss peak frequency and maximum loss both exhibit thermal hysteresis. An annealing-state-independent parameter involving loss and loss peak frequency is identified. This parameter has a simple Arrhenius temperature dependence. The same behavior is found for four other viscous liquids, indicating that the phenomenon is possibly general

Publisher: American Physical Society
Year: 2000
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