Critical-Temperature and Coexistence-Curve Measurements in Thick Films

Critical-Temperature and Coexistence-Curve Measurements in Thick Films

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 ..beta..=1/2 for film thicknesses, L, in the range 1 ..mu..mapproximately-...

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Veröffentlicht in:Phys. Rev. Lett.; (United States) 1976-01, Vol.37 (22), p.1471-1474
Hauptverfasser: Jacobs, D. T., Mockler, R. C., O'Sullivan, W. J.
Format: Artikel
Sprache:eng
Schlagworte:
360602 - Other Materials- Structure & Phase Studies
400301 - Organic Chemistry- Chemical & Physicochemical Properties- (-1987)
ALCOHOLS
ALKANES
BINARY MIXTURES
CRITICAL TEMPERATURE
CYCLOALKANES
CYCLOHEXANE
DIMENSIONS
DISPERSIONS
HYDROCARBONS
HYDROXY COMPOUNDS
INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY
MATERIALS SCIENCE
METHANOL
MIXTURES
ORGANIC COMPOUNDS
PHYSICAL PROPERTIES
THERMODYNAMIC PROPERTIES
THICKNESS
TRANSITION TEMPERATURE
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Beschreibung
Zusammenfassung: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 ..beta..=1/2 for film thicknesses, L, in the range 1 ..mu..mapproximately-less-thanLapproximately-less-than6 ..mu..m. (AIP)
ISSN:0031-9007
DOI:10.1103/PhysRevLett.37.1471