Cutroni, M. and Mandanici, A. and Piccolo, A. (1994) Dinamica rilassamentale di liquidi fragili. Accademia Peloritana dei Pericolanti Classe FF.MM.NN., LXXII (Supplement 1). pp. 439-446.
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By means of ultrasonic and dielectric relaxation spectroscopy an experimental investigation on the -relaxation process in fragile molecular liquids has been performed. The structural relaxation of glass-formers around the glass transition point is a complex process whose microscopic description constitutes an unsolved problem in condensed matter physics. On the other hand, being this relaxation intimately relatcd to the liquid-glass transition, its explanation represents an essential prerequisite for the interpretation of this last phenomenon. For the analitical representation of the dynamic susceptibilities involved the Cole-Davidson function has been employed while the Vogel-Fulcher-Tamman (VFT) law has been taken into account to describe the temperature dependence of the mean relaxation time. A substantial accord with the dynamical behaviour of very fragile liquids has been found.
|Subjects:||M.U.S. - Miscellanea > Atti Accademia Peloritana > Classe di Scienze Fisiche, Matematiche e Naturali > 1994 > Supplemento 1 parte 2|
M.U.S. - Miscellanea > Atti Accademia Peloritana > Classe di Scienze Medico-Biologiche > 1994 > Supplemento 1 parte 2
M.U.S. - Miscellanea > Atti Accademia Peloritana > Classe di Scienze Giuridiche, Economiche e Politiche > 1994 > Supplemento 1 parte 2
M.U.S. - Miscellanea > Atti Accademia Peloritana > Classe di Lettere, Filosofia e belle Arti > 1994 > Supplemento 1 parte 2
|Depositing User:||Mr Nunzio Femminò|
|Date Deposited:||17 Apr 2014 11:01|
|Last Modified:||17 Apr 2014 11:01|
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