1. Institute of Nanotechnology (INT) Karlsruhe Institute of Technology Herrmann‐von‐Helmholtz‐Platz 1 D‐76344 Eggenstein‐Leopoldshafen Germany
2. Institute of Applied Physics (APH) Karlsruhe Institute of Technology Wolfgang‐Gaede‐Str. 1 D‐76131 Karlsruhe Germany
3. Karlsruhe Nano Micro Facility (KNMFi) Karlsruhe Institute of Technology Herrmann‐von‐Helmholtz‐Platz 1 D‐76344 Eggenstein‐Leopoldshafen Germany
4. Materials Research Center for Energy Systems (MZE) Karlsruhe Institute of Technology Straße am Forum 7 D‐76131 Karlsruhe Germany