1. Institute of Physical and Theoretical Chemistry
2. University of Regensburg
3. Universitätsstrasse 31
4. D-93040 Regensburg
5. Germany
6. Laboratorio de Estudios Cristalográficos
7. IACT (CSIC-UGR)
8. E-18100 Armilla
9. Spain
10. Material Physics, BASF SE
11. Carl-Bosch-Strasse 38
12. D-67056 Ludwigshafen