Abstract
We report results of ultrafast scanning calorimetry (USC) measurements of enthalpy relaxation time for propanol, toluene, pentanol, decalin, and 2-ethyl-1-hexanol in a temperature range from 120to180K. These new data show that the enthalpy relaxation times measured in USC experiments are within one order of magnitude of those derived from dielectric spectroscopy studies. Thus, we demonstrate that Johari’s critique of the USC study of pure and doped amorphous solid water is without merit, and that USC experiments do provide evidence against assignment of the glass transition temperature of amorphous solid water to 136K.
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