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Regensburg 2010 – scientific programme

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O: Fachverband Oberflächenphysik

O 74: Nanostructures at surfaces: Other

O 74.4: Talk

Thursday, March 25, 2010, 15:45–16:00, H34

Surface Nano-Patterning in Realizing Diverse Functional Surface Nanostructures with High Structural Regularity — •Yong Lei, Stefan Ostendorp, Nina Winkler, Peter Hess, Christian Heckel, and Gerhard Wilde — Institute of Materials Physics and Center for Nanotechnology, University of Muenster, Wilhelm-Klemm-Str. 10, D-48149 Muenster, Germany

Here we want to show you the results in our group concerning the surface nano-structuring using UTAM (ultra-thin alumina mask) surface nano-patterning technique. UTAM technique is an emerging approach in fabricating ordered arrays of different surface nanostructures. Besides nanodots and nanoholes, three-dimensional surface nano-patterns (mainly free-standing one-dimensional nanostructures of metals and semiconductors) can be prepared using electrochemical processes and CVD processes. Moreover, functional molecular surface patterns are realized based on the UTAM-prepared pre-patterns on substrates. The structural parameters (size, spacing, and shape) of all these UTAM-fabricated surface nanostructures can be adjusted by controlling the structural parameters of the UTAMs, which consequently results in the tenable properties of the UTAM-synthesized surface patterns. Different applications in optical, sensing, and electronic devices will be presented based on the advantageous features of the UTAM surface patterning technique, including the tuneable structural parameters and properties, large pattern area and high throughput of surface nanostructures, and low equipment costs.

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