1. Department of Physics Umeå University SE‐901 87 Umeå Sweden
2. Department of Physics and Astronomy Uppsala University SE‐751 20 Uppsala Sweden
3. Institute of Resource Ecology Helmholtz‐Zentrum Dresden‐Rossendorf (HZDR) P.O. Box 510119 01314 Dresden Germany
4. The Rossendorf Beamline at ESRF The European Synchrotron CS40220 38043 Grenoble Cedex 9 France