1. Institute of Physics and Center for Nanotechnology
2. University of Münster
3. 48149 Münster
4. Germany
5. Center for Atomic-Scale Materials Design (CAMD)
6. Department of Physics
7. Technical University of Denmark
8. DK-2800 Kongens Lyngby
9. Denmark
10. Institute of Solid State Theory
11. Wilhelm-Klemm-Straße 10
12. Laboratoire National des Champs Magnétiques Intenses
13. CNRS-UGA-UPS-INSA-EMFL
14. 38042 Grenoble
15. France