Abstract
In this article, highly accurate experimental results reveal the interfacial profile between different macroscopic fluid phases. The deviation from a step profile, quantified by the ellipsometric quantity J1, shows a strong correlation with the cohesive energy quantified by the Gordon parameter G . Surprisingly, at high values of G , J 1( < 0) deviates significantly from any predictions. Findings for water and water-like interfaces can be interpreted in terms of the strength of hydrogen bonding at the surface.
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Stocco, A., Tauer, K. High-resolution ellipsometric studies on fluid interfaces. Eur. Phys. J. E 30, 431 (2009). https://doi.org/10.1140/epje/i2009-10544-1
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DOI: https://doi.org/10.1140/epje/i2009-10544-1