1. Institute of Physical Chemistry Friedrich Schiller University Jena 07743 Jena Germany
2. Université de Toulouse INSA‐CNRS‐UPS LPCNO Toulouse 31077 France
3. Institute of Ion Beam Physics and Materials Research Helmholtz‐Centre Dresden‐Rossendorf 01328 Dresden Germany
4. LAAS‐CNRS Université de Toulouse Toulouse 31400 France
5. Research Center for Functional Materials National Institute for Materials Science Tsukuba 305‐0044 Japan
6. International Center for Materials Nanoarchitectonics National Institute for Materials Science Tsukuba 305‐0044 Japan
7. Central Facility of Electron Microscopy Electron Microscopy Group of Material Science University of Ulm D‐89081 Ulm Germany
8. Department of Applied Physics Aalto University Aalto 00076 Finland
9. Department of Physics Technische Universität Darmstadt 64289 Darmstadt Germany
10. Abbe Center of Photonics 07745 Jena Germany