| Issue |
Europhys. Lett.
Volume 58, Number 1, April 2002
|
|
|---|---|---|
| Page(s) | 74 - 79 | |
| Section | Condensed matter: structure, mechanical and thermal properties | |
| DOI | https://doi.org/10.1209/epl/i2002-00394-5 | |
| Published online | 01 August 2002 | |
Percolation transition in Coulombic near-critical binary liquids?
Laboratoire de Physique Statistique, Ecole Normale
Supérieure 24 rue Lhomond, 75231 Paris cedex 05, France
Received:
10
January
2001
Accepted:
18
January
2002
We study the mobility of 
ions for the quasi-binary
liquid mixture of water and isobutyric acid in the vicinity of the
critical point 
of the mixture. In the one-phase
region above , a continuous but very drastic decrease
in ion mobility is observed for compositions in isobutyric acid
exceeding the critical composition. The results are interpreted as
the formation of dynamic clusters. The “percolation” line for
cluster formation is found to start at the critical point and
remains at the critical composition for all temperatures
studied.
PACS: 64.60.-i – General studies of phase transitions / 64.60.Ak – Renormalization-group, fractal, and percolation studies of phase transitions
© EDP Sciences, 2002
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