1. Department of Experimental Physics, Institute
of Physics and Astronomy, University of Potsdam, 14476 Potsdam, Germany
2. Bruker AXS GmbH, Oestliche Rheinbrueckenstrasse 49, 76187 Karlsruhe, Germany
3. Helmholtz Zentrum Geesthacht, Institut für Werkstoffforschung, Abteilung
WPN, Instrument REFSANS, Lichtenbergstrasse
1, 85747 Garching FRM II, Germany
4. Jülich Centre for Neutron Science JCNS (JCNS-1) & Institute for Complex Systems (ICS-1), Forschungszentrum Jülich GmbH, 52425 Jülich, Germany