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The new insight into dynamic crossover in glass forming liquids from the apparent enthalpy analysis
2012
Journal of Chemical Physics
One of the most intriguing phenomena in glass forming systems is the dynamic crossover (T B ), occurring well above the glass temperature (T g ). So far, it was estimated mainly from the linearized derivative analysis of the primary relaxation time τ (T) or viscosity η(T) experimental data, originally proposed by Stickel et al. ]. However, this formal procedure is based on the general validity of the Vogel-Fulcher- Tammann equation, which has been strongly questioned recently [T. Hecksher et
doi:10.1063/1.4739750
pmid:22897287
fatcat:vd54pjji4na2tldgzvb6clsv7e