1. Institute of Applied Physics; Karlsruhe Institute of Technology (KIT); 76128 Karlsruhe Germany
2. Institute for Applied Materials; Karlsruhe Institute of Technology (KIT); 76128 Karlsruhe Germany
3. Fraunhofer Institute for Mechanics of Materials IWM; 79108 Freiburg Germany
4. Institute of Nanotechnology; Karlsruhe Institute of Technology (KIT); 76128 Karlsruhe Germany