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Berlin 2012 – scientific programme

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CPP: Fachverband Chemische Physik und Polymerphysik

CPP 26: Poster: New Perspectives of Scattering at Soft Matter

CPP 26.6: Poster

Wednesday, March 28, 2012, 11:00–13:00, Poster A

(contribution withdrawn) A 2D waveguide beam for X-ray nanodiffraction — •Christina Krywka1, Henrike Neubauer2, Marius Priebe2, Tim Salditt2, Jozef Keckes3, Stjepan Hrkac1, Adeline Buffet4, Stephan Roth4, Ralph Doehrmann4, and Martin Müller51Christian-Albrechts-Universität zu Kiel, Institut für Experimentelle und Angewandte Physik, Leibnizstr. 19, D-24098 Kiel — 2Georg-August-Universität Göttingen, Institut für Röntgenphysik, Friedrich-Hund-Platz 1, D-37077 Göttingen — 3Montanuniversität Leoben, Department Materialphysik, Jahnstr. 12/I, A-8700 Leoben — 4DESY, Notkestr. 85, D-22603 Hamburg — 5Helmholtz Zentrum Geesthacht, Max-Planck-Str. 1, D-21502 Geesthacht

The applicability of an X-ray nanobeam generated using a 2-dimensionally confining waveguide is demonstrated for nanodiffraction purposes. The experiments were performed at the Nanofocus extension of MINAXS Beamline at PETRA III. The Nanofocus extension of MINAXS is designed to routinely provide a nanofocused X-ray beam for diffraction experiments and is operated by the University of Kiel. Next to an extensive characterization of the waveguide beam, first high resolution nanodiffraction experiments were performed, e.g. on nanocrystalline TiN hard coatings on WC-Co and on ZnO-microrods with a microscopic metallic coating. Using the high spatial resolution of the waveguide beam interfacial residual stress was revealed in both sample systems. Finally, this contribution presents the current status and future extensions of the Nanofocus endstation.

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