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O: Fachverband Oberflächenphysik

O 36: Poster Session II (Organic films and electronics, photoorganics; Nanostructures; Plasmonics and nanooptics, Surface chemical reactions and heterogeneous catalysis, Surface dynamics )

O 36.59: Poster

Dienstag, 12. März 2013, 18:15–21:45, Poster B2

Fabrication of iron nanostructures on various surfaces via focused electron beam induced processing in UHV — •Fan Tu, Florian Vollnhals, Martin Drost, Esther Carrasco, Matthias Franke, Hans-Peter Steinrück, and Hubertus Marbach — Lehrstuhl für Physikalische Chemie II, Friedrich-Alexander Universität Erlangen-Nürnberg, Egerlandstr.3, D-91058, Erlangen, Germany

Focused electron beams are well suited to manipulate matter on the nanoscale. In our 'surface science approach' to focused electron beam induced processing (FEBIP) we either deposit fragments of adsorbed precursor molecules or directly change the properties of a substrate itself. With the focused electron beam induced surface activation (EBISA) we recently explored a novel technique in which oxide surfaces, e.g. of SiOx and TiO2 substrates can be chemically activated on the nanoscale after local electron beam irradiation [1,2]. These activated region can be later on developed with Fe(CO)5 resulting in pure iron nanostructures. With this contribution we considerably expand the EBISA technique to adsorbed organic films on metal substrates and well-defined oxide reconstructions both on metal substrates. This work was supported by the DFG via grant MA 4246/1-1.

[1] M.M. Walz et al., Angw. Chem. Int. Ed., 49 (2010), 4669;

[2] M.M. Walz et al., Appl. Phys. Lett., 100(2012), 053118