1. Institute of Nanotechnology Karlsruhe Institute of Technology 76344 Eggenstein‐Leopoldshafen Germany
2. Institute of Materials Science Technische Universität Darmstadt 64287 Darmstadt Germany
3. Institute for Applied Materials Karlsruhe Institute of Technology 76344 Eggenstein‐Leopoldshafen Germany
4. Karlsruhe Nano Micro Facility Karlsruhe Institute of Technology 76131 Karlsruhe Germany
5. Nano and Heterogeneous Materials Center School of Materials Science and Engineering Nanjing University of Science and Technology Nanjing 210094 China
6. Faculty of Physics and Center for Nanointegration Duisburg‐Essen (CENIDE) University of Duisburg‐Essen 47057 Duisburg Germany