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An access to buried interfaces: the X-ray reflectivity set-up of BL9 at DELTA
Michael Paulus1, Daniela Lietz, Christian Sternemann
1Fakultät Physik/DELTA, Technische Universität Dortmund, D-44221 Dortmund, Germany. michael.paulus@tu-dortmund.de
Abstract:
An X-ray reflectivity set-up to study buried interfaces at beamline BL9 of the electron storage ring DELTA is presented. The structure of solid-gas and solid-liquid interfaces can be investigated using X-rays with incident energies of about 27 keV. A detailed description of the set-up is given and its performance is demonstrated by a discussion of selected applications, i.e. protein adsorption at the solid-liquid interface and gas adsorption at the solid-gas interface at elevated pressures.
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