1. Institute of Physical Chemistry, Justus-Liebig University, Heinrich-Buff-Ring 17, Giessen 35392, Germany
2. Umicore AG & Co. KG, Rodenbacher Chaussee 4, Hanau 63457, Germany
3. Institute of Nanotechnology, Karlsruhe Institute of Technology, Hermann-von-Helmholtz Platz 1, Eggenstein-Leopoldshafen 76344, Germany
4. Department of Materials and Earth Sciences, Technical University Darmstadt, Alarich-Weiss-Str. 2, Darmstadt 64287, Germany
5. Karlsruhe Nano Micro Facility (KNMF), Karlsruhe Institute of Technology, Hermann-von-Helmholtz Platz 1, Eggenstein-Leopoldshafen 76344, Germany
6. Fraunhofer-Institut für Techno-und Wirtschaftsmathematik, Fraunhofer-Platz 1, Kaiserslautern 67663, Germany
7. Center for Materials Research, Heinrich-Buff-Ring 16, Giessen 35392, Germany