1. Institute for Integrative Nanosciences Leibniz IFW Dresden 01069 Dresden Germany
2. Center for Materials Architectures and Integration of Nanomembranes (MAIN) TU Chemnitz 09126 Chemnitz Germany
3. Bundesanstalt für Materialforschung und‐prüfung (BAM) 12205 Berlin Germany
4. Institute for Solid‐State Physics Leibniz IFW Dresden 01069 Dresden Germany