1. Institute of Physics, University of Rostock, Albert-Einstein-Strasse 23, 18059 Rostock, Germany
2. Center for Interdisciplinary Electron Microscopy (ELMI-MV), Department “Life, Light & Matter”, University of Rostock, Albert-Einstein-Strasse 25, 18059 Rostock, Germany
3. Leibniz Institute for Catalysis (LIKAT), Albert-Einstein-Strasse 29a, 18059 Rostock, Germany
4. Department of Chemistry, Swansea University, Swansea SA2 8PP, United Kingdom