1. Institute for Integrative Nanosciences Leibniz IFW Dresden Helmholtzstraße 20 01069 Dresden Germany
2. Material Systems for Nanoelectronics Chemnitz University of Technology Str. der Nationen 62 09111 Chemnitz Germany
3. Research Center for Materials Architectures and Integration of Nanomembranes Chemnitz University of Technology Rosenbergstraße 6 09126 Chemnitz Germany
4. Nanophysics Dresden University of Technology Haeckelstraße 3 01069 Dresden Germany