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Berlin 2005 – scientific programme

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CPP: Chemische Physik und Polymerphysik

CPP 29: POSTER: Polymer physics

CPP 29.34: Poster

Tuesday, March 8, 2005, 16:30–18:30, Poster TU D

Upgrade of the BW4 beamline at HASYLAB/DESY — •Stephan V. Roth, Ralph Döhrmann, Martin Dommach, and Rainer Gehrke — HASYLAB at DESY, Notkestr. 85, D-22603 Hamburg, Germany

Small-angle X-ray scattering is a versatile method to investigate mesoscopic correlations in bulk matter and thin films. The beamline BW4 is designed to extend this range to the ultra SAXS (USAX) regime [1,2]. Here, maximum resolvable length scales can be extended near 1µm upto several micrometers in grazing incidence geometry (GIUSAX) [3]. The scientic field ranges from deformation in polymer-based materials to thin film investigations in polymer and colloid science [2,4,3]. In an ongoing development program at HASYLAB the beamline BW4 has been refurbished. We will present the upgrade the BW4 beamline, including e.g. a dedicated SAXS position, the installation of new detectors and beam monitoring equipment. Furthermore we will focus on available sample environments like GISAXS cells, stretching and heating devices.

[1] R. Gehrke, Rev. Sci. Instrum. 63, 455, (1992)

[2] R. Gehrke et al., Rev. Sci. Instrum. 66 , 1354 (1995)

[3] P. Müller-Buschbaum et al., Europhys. Lett. 42, 517 (1998)

[4] N. Stribeck et al., Macromol. Chem. Phys. 203, 636 (2002)

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