Structure of the interface between two polar liquids: Nitrobenzene and water

Guangming Luo; Sarka Malkova; Sai Venkatesh Pingali; David G. Schultz; Binhua Lin; Mati Meron; Ilan Benjamin; Petr Vanysek; Mark L. Schlossman

doi:10.1021/jp057103u

Structure of the interface between two polar liquids: Nitrobenzene and water

Guangming Luo, Sarka Malkova, Sai Venkatesh Pingali, David G. Schultz, Binhua Lin, Mati Meron, Ilan Benjamin, Petr Vanysek, Mark L. Schlossman

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42 Scopus citations

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.

Original language	English
Pages (from-to)	4527-4530
Number of pages	4
Journal	Journal of Physical Chemistry B
Volume	110
Issue number	10
DOIs	https://doi.org/10.1021/jp057103u
State	Published - Mar 16 2006
Externally published	Yes

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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.",

author = "Guangming Luo and Sarka Malkova and Pingali, {Sai Venkatesh} and Schultz, {David G.} and Binhua Lin and Mati Meron and Ilan Benjamin and Petr Vanysek and Schlossman, {Mark L.}",

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T1 - Structure of the interface between two polar liquids

T2 - Nitrobenzene and water

AU - Luo, Guangming

AU - Malkova, Sarka

AU - Pingali, Sai Venkatesh

AU - Schultz, David G.

AU - Lin, Binhua

AU - Meron, Mati

AU - Benjamin, Ilan

AU - Vanysek, Petr

AU - Schlossman, Mark L.

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AB - 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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ER -

Structure of the interface between two polar liquids: Nitrobenzene and water

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