1. Institut für Physik & IRIS Adlershof; Humboldt-Universität zu Berlin; Brook-Taylor-Str. 6 12489 Berlin Germany
2. Institut für Physik; Institut für Chemie & IRIS Adlershof; Humboldt-Universität zu Berlin; Brook-Taylor-Str. 6 12489 Berlin Germany
3. Laboratory for Chemistry of Novel Materials; University of Mons; Place du Parc 20 B-7000 Mons Belgium
4. Department of Chemistry & IRIS Adlershof; Humboldt-Universität zu Berlin; Brook-Taylor-Str. 2 12489 Berlin Germany
5. Department of Industrial Engineering; University of Trento; via Sommarive 9 38123 Trento Italy
6. IMEM-CNR, Institute of Materials for Electronics and Magnetism; Trento unit, via alla Cascata 56/C 38123 Trento Italy
7. Helmholtz-Zentrum Berlin für Materialien und Energie GmbH; Albert-Einstein Str. 15 Berlin 12489 Germany