1. Inorganic Materials ChemistryChair of Inorganic Chemistry IIRuhr University Bochum Universitätsstraße 150 44801 Bochum Germany
2. Institute of Electronic DevicesUniversity of Wuppertal Rainer-Gruenter-Straße 21 42119 Wuppertal Germany
3. RUBIONRuhr University Bochum 44801 Bochum Germany