1. Project Group at the Dortmunder OberflächenCentrum DOC, Fraunhofer Institute for Material and Beam Technology IWS, Eberhardstr. 12, 44145 Dortmund, Germany
2. Institute for Materials Science, TUD Dresden University of Technology, Helmholtzstraße 7, 01069 Dresden, Germany
3. Fraunhofer Institute for Material and Beam Technology IWS, Winterbergstr. 28, 01277 Dresden, Germany