1. Laboratory of Crystallography
2. University of Bayreuth
3. 95440 Bayreuth
4. Germany
5. European Synchrotron Radiation Facility
6. Experimental Physics VI
7. Center for Electronic Correlations and Magnetism
8. Augsburg University
9. 86159 Augsburg
10. Bayerisches Geoinstitut
11. Deutsches Elektronen-Synchrotron DESY
12. 22607 Hamburg
13. 38000 Grenoble
14. France