Electric conductivity near the percolation transition of a nonionic water-in-oil microemulsion

Stefan Weigert, Hans-Friedrich Eicke and Wolfgang Meier

Physica A: Statistical Mechanics and its Applications, 1997, vol. 242, issue 1, 95-103

Abstract: The electric conductivity of a nonionic water-in-oil microemulsion has been measured in the presence of small amounts of carrier electrolyte. Two distinct regimes can be distinguished: the conductivity increases linearly for small nanodroplet concentration, while it decreases above a critical value. The qualitative change occurs close to a concentration where the system is known to have formed a system-spanning nonconducting cluster of nanodroplets. This behaviour of the conductivity is shown to agree well with predictions of percolation theory for aggregating charged nanodroplets.

Keywords: Percolation; Nonionic microemulsion; Electric conductivity (search for similar items in EconPapers)
Date: 1997
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:242:y:1997:i:1:p:95-103

DOI: 10.1016/S0378-4371(97)00187-8

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