1. Department of Physics
2. Centre for Materials Science and Nanotechnology
3. University of Oslo
4. 0371 Oslo
5. Norway
6. Department of Chemistry
7. FERMiO/SMN
8. 0349 Oslo
9. Instituto de Ciencia de Materiales de Sevilla (CSIC-Universidad de Sevilla)
10. Sevilla 41092
11. Spain
12. Departamento de Química Inorgánica
13. Facultad de Química
14. Department of Materials Science and Engineering
15. The University of Sheffield
16. Sheffield
17. UK