| Issue |
Europhys. Lett.
Volume 76, Number 6, December 2006
|
|
|---|---|---|
| Page(s) | 1137 - 1143 | |
| Section | Condensed matter: structural, mechanical and thermal properties | |
| DOI | https://doi.org/10.1209/epl/i2006-10401-5 | |
| Published online | 23 November 2006 | |
On the pressure dependence of fragility
Kirchhoff-Institut für Physik, Universität Heidelberg, INF 227, D-69120 Heidelberg, Germany
Received:
17
May
2006
Accepted:
30
October
2006
We have investigated the fragility of glycerol, propylene carbonate, and meta-fluoroaniline at pressures up to 
using dielectric spectroscopy. All three small-molecule glass formers do not show a pressure dependence of fragility within experimental error. The ratio of glass transition temperature and Vogel-Fulcher-Tammann temperature is pressure independent. The results are discussed in the frame of the defect diffusion model.
PACS: 64.70.Pf – Glass transitions / 62.50.+p – High-pressure and shock wave effects in solids and liquids / 77.22.Gm – Dielectric loss and relaxation
© EDP Sciences, 2006
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