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Title: Crossover from first-order to critical wetting: Short-range tricritical wetting
Authors: Ross, D ×
Bonn, D
Posazhennikova, AI
Indekeu, Joseph
Meunier, J #
Issue Date: 2001
Publisher: American Physical Society
Series Title: Physical Review Letters vol:87 issue:17 pages:176103-1-176103-4
Abstract: We study wetting in liquid mixtures of methanol and the n-alkanes. Mixing alkanes of different chain lengths, we can examine the crossover between critical (continuous) and first-order (discontinuous) wetting transitions. Measurements of the film thickness and surface specific heat exponent indicate that for carbon number n between 11 (undecane) and 9 (nonane), there is a crossover from first-order to critical wetting with a tricritical wetting point between an effective alkane carbon number of 9.6 and 10. The observed variation of the specific heat exponent in the tricritical region agrees fairly well with the predictions of a simple mean-field model with only short-range interactions.
ISSN: 0031-9007
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Solid State Physics and Magnetism Section
× corresponding author
# (joint) last author

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