Orientational Glass Transition in Solid C60
The glass transition in both single- and polycrystalline C60 at about 90 K was studied using high-resolution capacitance dilatometry. This glass transition is most pronounced in samples which also have a sharp orientational-ordering transition at T≤260 K. The kinetics of the relaxation processes near the glass transition were obtained by fitting the experimental results with a simple glass- transition model. The relaxation time obeys an Arrhenius-behavior with Ea ≤ 288 meV over more than 10 orders of magnitude when including other published data.
KeywordsRelaxation Time Glass Transition Arrhenius Behavior Thermal Expansion Behavior Specific Heat Data
Unable to display preview. Download preview PDF.
- W. Schranz et al. (these proceedings).Google Scholar