Critical-Temperature and Coexistence-Curve Measurements in Thick Films

29 November 1976

journal article
research article
Published by American Physical Society (APS) in Physical Review Letters

Vol. 37 (22) , 1471-1474
https://doi.org/10.1103/physrevlett.37.1471

Abstract

We report the first observation of a critical-temperature and coexistence-curve dependence on film thickness for a binary fluid mixture (methanol-cyclohexane). The data suggest long-range interactions with mean-field exponent

β = \frac{1}{2}

for film thicknesses,

L

, in the range

1 μ m ≲ L ≲ 6 μ m

Keywords

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