[1] Karlsruhe Inst Technol KIT, Inst Appl Mat IAM, Hermann Von Helmholtz Pl 1, D-76344 Eggenstein Leopoldshafen, Germany
[2] Karlsruhe Inst Technol KIT, Thin Film Technol TFT, Str Forum 7, D-76131 Karlsruhe, Germany
[3] Karlsruhe Inst Technol KIT, Inst Nanotechnol INT, Hermann Von Helmholtz Pl 1, D-76344 Eggenstein Leopoldshafen, Germany
[4] Helmholtz Inst Ulm HIU, Helmholtzstr 11, D-89081 Ulm, Germany