1. Deutsches Elektronen-Synchrotron DESY
2. 22607 Hamburg
3. Germany
4. Center for Hybrid Nanostructures (CHyN)
5. Institute of Nanostructure and Solid State Physics
6. University of Hamburg
7. 22761 Hamburg
8. Institute for Materials in Electrical Engineering (IWE2)
9. and Jülich Aachen Research Alliance for Future Information Technology (JARA-FIT)
10. 52074 Aachen
11. Peter Grünberg Institute (PGI 7 & 10) and Jülich Aachen Research Alliance for Future Information Technology (JARA-FIT)
12. Forschungszentrum Jülich GmbH
13. 52425 Jülich