1. Bayerisches Geoinstitut, Universität Bayreuth, D-95440 Bayreuth, Germany
2. Materials Physics and Technology at Extreme Conditions, Laboratory of Crystallography, Universität Bayreuth, D-95440 Bayreuth, Germany
3. Photon Science, DESY, D-22607 Hamburg, Germany
4. Institut für Mineralogie, University of Münster, D-48149 Münster, Germany
5. ESRF–The European Synchrotron, CS 40220, 38043 Grenoble Cedex 9, France
6. AdlOptica Optical Systems GmbH, D-12489 Berlin, Germany