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Berlin 2015 – scientific programme

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O: Fachverband Oberflächenphysik

O 75: Plasmonics and Nanooptics

O 75.10: Poster

Wednesday, March 18, 2015, 18:15–21:00, Poster A

Plasmonic nanostructure fabrication based on FIB milling of high-quality monocrystalline gold flakes and transfer — •Xiaofei Wu1,2, Peter Geisler1, Enno Krauss1, René Kullock1, and Bert Hecht11Nano-Optics and Biophotonics Group, Experimentelle Physik 5, Universität Würzburg, Am Hubland, 97074 Würzburg, Germany — 2Present address: Experimentalphysik III, Universität Bayreuth, Universitätsstraße 30, 95447 Bayreuth, Germany

Good fabrication techniques are vital for successful experiments because they not only make it possible to obtain structures with expected performance, but also significantly boost the working efficiency and success rate. Moreover, a novel fabrication technique also inspires new experimental ideas. Therefore it is always important to keep developing advanced fabrication techniques. Here we present our developments in preparing high-quality chemically synthesized monocrystalline gold flakes on substrates and their use in plasmonic nanostructure fabrication with focused ion beam (FIB) milling. To make the FIB-fabricated nanostructures available for substrates that are not suitable for FIB milling as well, we have developed approaches to transfer the nanostructures with 100% efficiency. A few typical applications based on these techniques are also presented.

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