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Regensburg 2010 – scientific programme

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DS: Fachverband Dünne Schichten

DS 10: Plasmonics and Nanophotonics I (Joint Session DS/O/HL)

DS 10.9: Talk

Tuesday, March 23, 2010, 12:30–12:45, H2

Structural and Optical Properties of Gold and Iron Nanowires — •Piotr Patoka1,2, Georgios Ctistis3, Michael Hilgendorff1, and Michael Giersig11Freie Universität Berlin — 2Helmholtz-Zentrum Berlin für Materialien und Energie GmbH — 3University of Twente, MESA+ Institute & Dept. of Science and Technology, Complex Photonic Systems (COPS), Enschede, The Netherlands

Plasmonic nanostructures gained a tremendous interest during the last decade due to their structural and optical properties, which make them promising materials for opto-electronic as well as bio-sensing-applications.

Here we will present results on gold and iron nanowires prepared by means of nanosphere lithography as a cheap method of preparation of large areas of such nanostructures. The 30nm thick lines with 440nm in periodicity have been characterized with atomic force microscopy and scanning electron microscopy. The investigation showed strong influences of the preparation steps to the final structure. For optical investigation UV-VIS-NIR spectrometry and scanning near field optical microscopy have been used showing extraordinary light transmission.

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