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  • Title: Structure of the interface between two polar liquids: nitrobenzene and water.
    Author: Luo G, Malkova S, Pingali SV, Schultz DG, Lin B, Meron M, Benjamin I, Vanysek P, Schlossman ML.
    Journal: J Phys Chem B; 2006 Mar 16; 110(10):4527-30. PubMed ID: 16526678.
    Abstract:
    Synchrotron X-ray reflectivity is used to study the electron density as a function of depth through the bulk nitrobenzene-water interface at four different temperatures. The measured interfacial width differs from the predictions of capillary wave theory with a progressively smaller deviation as the temperature is raised. Computer simulations suggest the presence of both molecular layering and dipole ordering parallel to the interface. Either layering or a bending rigidity, that can result from dipole ordering, can explain these measurements.
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