1. Department of Materials Science WW-4, LKO; University of Erlangen-Nuremberg; Martensstrasse 7 91058 Erlangen Germany
2. Fraunhofer Institute for Integrated Systems and Device Technology IISB; Schottkystrasse 10 91058 Erlangen Germany
3. Department of Chemistry and Pharmacy, Inorganic Chemistry; Friedrich-Alexander University Erlangen-Nürnberg (FAU); Egerlandstrasse 1 91058 Erlangen Germany
4. Division of Materials and Manufacturing Science; Graduate School of Engineering; Osaka University; 2-1 Yamada-oka, Suita Osaka 565-0871 Japan