Beta relaxation of nonpolymeric liquids close to the glass transition

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    Abstract

    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.
    OriginalsprogEngelsk
    TidsskriftPhysical Review E (Statistical, Nonlinear, and Soft Matter Physics)
    Vol/bind62
    Sider (fra-til)4435-4438
    ISSN1539-3755
    StatusUdgivet - 2000

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