Heat capacity and entropy at the glass transition

Research output: Chapter in Book/Report/Conference proceedingConference contribution

7 Scopus citations


Frequency resolved non-linear dielectric relaxation experiments at high electric fields are used to conduct a 'reversed' heat capacity experiment, where the energy is absorbed by the configurational modes and only eventually transferred as heat to the phonon bath. The understanding of the nanoscopic energy-flow is quantitative and allows us to extract the configurational contribution to heat capacity and entropy near the glass transition of these supercooled liquids. It is found that the excess heat capacity is largely configurational only for liquids that are not fragile in terms of the strong-fragile pattern.

Original languageEnglish (US)
Title of host publicationThe XVth International Congress on Rheology - The Society of Rheology 80th Annual Meeting
Number of pages3
StatePublished - Sep 11 2008
Event15th International Congress on Rheology - Monterey, CA, United States
Duration: Aug 3 2008Aug 8 2008

Publication series

NameAIP Conference Proceedings
ISSN (Print)0094-243X
ISSN (Electronic)1551-7616


Other15th International Congress on Rheology
Country/TerritoryUnited States
CityMonterey, CA


  • Heat capacity
  • configurational entropy
  • glass transition
  • non-linear dielectric effects

ASJC Scopus subject areas

  • Physics and Astronomy(all)


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