1. Material Physics and Technology at Extreme Conditions, Laboratory of Crystallography, University of Bayreuth, Bayreuth 95440, Germany
2. State Key Laboratory of Crystal Materials, Shandong University, Jinan 250100, China
3. Bayerisches Geoinstitut, University of Bayreuth, Bayreuth 95440, Germany
4. Department of Physics, Chemistry and Biology (IFM), Linköping University, Linköping SE-581 83, Sweden
5. Institute für Geowissenschaften, Frankfurt University, Altenhöferallee 1, Frankfurt am Main DE-60438, Germany
6. Photon Science, Deutsches Elektronen-Synchrotron DESY, Notkestr. 85, 22607 Hamburg, Germany
7. Earth and Planets Laboratory, Carnegie Institution for Science, 5241 Broad Branch Road, NW, Washington, District of Columbia 20015, United States
8. Centre for Science at Extreme Conditions and School of Physics and Astronomy, University of Edinburgh, Edinburgh EH9 3FD, U.K.
9. Institute of Inorganic Chemistry, University of Cologne, Greinstrasse 6, Cologne 50939, Germany
10. European Synchrotron Radiation Facility, B.P.220, Grenoble Cedex F-38043, France