AUTHOR=Rzoska Sylwester J. 

TITLE=New Challenges for the Pressure Evolution of the Glass Temperature

JOURNAL=Frontiers in Materials

VOLUME=4

YEAR=2017

URL=https://www.frontiersin.org/journals/materials/articles/10.3389/fmats.2017.00033

DOI=10.3389/fmats.2017.00033

ISSN=2296-8016

ABSTRACT=<p>The ways of portrayal of the pressure evolution of the glass temperature (<italic>T</italic><sub>g</sub>) beyond the dominated Simon–Glatzel-like pattern are discussed. This includes the possible common description of <italic>T<sub>g</sub></italic>(<italic>P</italic>) dependences in systems described by <italic>dT<sub>g</sub></italic>/<italic>dP</italic> &gt; 0 and <italic>dT<sub>g</sub></italic>/<italic>dP</italic> &lt; 0. The latter can be associated with the maximum of <italic>T<sub>g</sub></italic>(<italic>P</italic>) curve hidden in the negative pressures domain. The issue of volume and density changes along the vitrification curve is also discussed. Finally, the universal pattern of vitrification associated with the crossover from the low density (isotropic stretching) to the high density (isotropic compression) systems is proposed. Hypothetically, it may obey any glass former, from molecular liquids to colloids.</p>