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Berlin 2008 – scientific programme

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BP: Fachverband Biologische Physik

BP 7: Posters I

BP 7.51: Poster

Monday, February 25, 2008, 17:00–19:30, Poster A

X-Ray Investigations on Langmuir and LB Films — •Volker Schön and Patrick Huber — Saarland University, 66123 Saarbrücken, Germany

We present the set up Butterfly X-Ray Reflectometer suitable for the investigation of liquid samples.

We demonstrate it’s potential with measurements of OTS/DTS on a silicon substrate and Langmuir films (phospholipid DPhPC and Block Copolymer PFMA-PEO-PFMA (with variable molecular lengths and ratios) as well as mixtures of these components) on an aqueous subphase alongside with a proper subtraction of the subphase bulk scattering background and an accessibiltiy of 7-8 orders of magnitude in reflected intensity.

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