1. Center for Materials Architectures and Integration of Nanomembranes (MAIN) Chemnitz University of Technology 09126 Chemnitz Germany
2. Material Systems for Nanoelectronics Chemnitz University of Technology 09107 Chemnitz Germany
3. Institute for Integrative Nanosciences Leibniz IFW 01069 Dresden Germany
4. State Key Laboratory of Polymer Physics and Chemistry Changchun Institute of Applied Chemistry Chinese Academy of Sciences Changchun 130022 China
5. School of Science Dresden University of Technology 01069 Dresden Germany