1. Inorganic Chemistry II, Faculty of Chemistry and Biochemistry; Ruhr-University; Bochum 44801 Bochum (Germany)
2. Central Unit for Ion Beams and Radionuclides (RUBION); Ruhr-University; Bochum 44801 Bochum (Germany)
3. Physical Chemistry II; Ruhr-University; Bochum 44801 Bochum (Germany)
4. Applied Solid State Physics; Ruhr-University; Bochum 44801 Bochum (Germany)
5. Materials Research Department; Ruhr-University; Bochum 44801 Bochum (Germany)