1. Inorganic Materials ChemistryRuhr University Bochum 44801 Bochum Germany
2. Institute of Experimental Condensed Matter PhysicsDepartment of Materials ScienceHeinrich‐Heine University Duesseldorf 40225 Duesseldorf Germany
3. Technical and Macromolecular ChemistryUniversity of Paderborn 33098 Paderborn Germany
4. Center for Interface Dominated Materials (ZGH)Ruhr University Bochum 44801 Bochum Germany
5. RUBIONRuhr University Bochum 44801 Bochum Germany