1. Material Physics and Technology at Extreme Conditions Laboratory of Crystallography University of Bayreuth Universitätstrasse 30 95440 Bayreuth Germany
2. Bayerisches Geoinstitut University of Bayreuth Universitätstrasse 30 95440 Bayreuth Germany
3. Department of Physics Chemistry and Biology (IFM) Linköping University 58183 Linköping Sweden
4. Centre for Science at Extreme Conditions and School of Physics and Astronomy University of Edinburgh Edinburgh EH9 3FD UK
5. Photon Science, Deutsches Elektronen-Synchrotron Notkestrasse 85 22607 Hamburg Germany
6. European Synchrotron Radiation Facility BP 220 38043 Grenoble Cedex France