Liquid Surface/Interface X-ray Scattering


Synchrotron x-ray surface scattering is the most powerful probe of molecular and mesoscale structure at liquid-vapor and liquid-liquid interfaces. The precise and flexible design of the liquid surface and interface reflectometer at NSF’s ChemMatCARS (APS, 15-ID-C) and the high brilliance and wide x-ray energy range (5-70 keV) offered in this third generation insertion device beamline provides a world-leading capability for the study of liquid surfaces and buried liquid-liquid interfaces.


Bu, Wei (2009) Ion distributions at charged aqueous surfaces: Synchrotron X-ray scattering studies

The scientific scope of the liquid surface and interface research at NSF’s ChemMatCARS is summarized as the follows:

A full suite of x-ray surface scattering techniques is provided to measure atomic, molecular, and mesoscopic ordering at liquid interfaces, including resonant and non-resonant reflectivity, grazing-incidence diffraction and small angle scattering, surface fluorescence, surface diffuse scattering, and fast techniques, such as grazing incidence diffraction in the 1D pinhole geometry.


The following links provide further information regarding our liquid surface/interface x-ray scattering setup:


Liquid Surface/Interface Contact

Wei Bu
(630) 252-0470

Experimental Hutch

Liquid Surface/Interface Scattering Instrument

Liquid/vapor sample environment Langmuir trough

Liquid/liquid interface sample cells