The dynamic crossover temperature and the characteristic length of glass transition in accordance with the extended Adam–Gibbs theory |
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Institution: | 1. Université Lille 1, Villeneuve d’Ascq, France;2. Naval Research Laboratory, Washington, DC 20375-5320, USA |
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Abstract: | Adam–Gibbs factor at the dynamic phase transition temperature is found out to be ‘universal,’ as it is at the glass transition temperature. A new scaling has been suggested collecting known ‘universalities’ related with the relaxation time. The fragility has been discussed in terms of the characteristic length at the glass-transition temperature. The transformation of the activation hopping into free diffusion dynamics in polymers is investigated. |
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