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Verhandlungen
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DPG

Berlin 2008 – scientific programme

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O: Fachverband Oberflächenphysik

O 18: Poster Session I - MA 141/144 (Atomic Wires; Size-Selected Clusters; Nanostructures; Metal Substrates: Clean Surfaces+Adsorption of Organic / Bio Molecules+Solid-Liquid Interfaces+Adsorption of O and/or H; Surface or Interface Magnetism; Oxides and Insulators: Clean Surfaces)

O 18.39: Poster

Monday, February 25, 2008, 18:30–19:30, Poster F

X-ray reflectivity studies of the liquid mercury-vapor and the liquid mercury-electrolyte interface — •Annika Elsen, Bridget Murphy, Jochim Stettner, and Olaf Magnussen — Institut für experimentelle und angewandte Physik der Universität Kiel, Leibnizstraße 19, 24118 Kiel

Although the liquid mercury-electrolyte interface is one of the most studied electrochemical systems, almost no structural data on this interface exists up to now. We recently started first investigations of this interface by synchrotron x-ray reflectivity. Here we discuss a new liquid mercury electrochemical cell design, for combined reflectivity and electrochemical measurements on the mercury surface covered with an electrolyte solution. The cell allows the insertion of a degassed mercury sample as well as dearated electrolyte solution under a high purity inert gas atmosphere. Preliminary electrochemical data and results of x-ray-reflectivity measurements on the liquid mercury-vapor and the liquid mercury-electrolyte interface using a laboratory source will be presented

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