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Dresden 2006 – scientific programme

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DS: Dünne Schichten

DS 19: Thin film deposition and process characterization I

DS 19.1: Talk

Thursday, March 30, 2006, 11:30–11:45, GER 38

In-situ mechanical spectroscopy on pulsed laser deposited polymer films — •Thorsten Scharf, Erik Süske, and Hans-Ulrich Krebs — Institut für Materialphysik, Universität Göttingen, Friedrich-Hund-Platz 1, D-37077 Göttingen

Pulsed laser deposition (PLD) is a promising technique for the preparation of thin films, including non-equilibrium composites of polymers with metals or ceramics. Laser deposited polymers are chemically modified due to the depositon process and therefore show different mechanical properties. To determine these properties in dependency of the deposition parameters and to learn about the microscopic processes leading to these properties an in-situ mechanical spectroscopy apperatus was developed, where the excitation of an vibrating reed is done by the plasma plume of the PLD. This new technique will be shown in detail with results for the temperature dependent spectroscopy on PMMA which was laser deposited under different deposition parameters.

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