1. Sobolev Institute of Geology and Mineralogy, SB RAS, Novosibirsk 630090, Russia
2. Novosibirsk State University, Novosibirsk 630090, Russia
3. Bayerisches Geoinstitut, Universitaet Bayreuth, 95447 Bayreuth, Germany
4. Photon Sciences, Deutsches Elektronen-Synchrotron (DESY), D-22603 Hamburg, Germany
5. European Synchrotron Radiation Facility, Grenoble 38000, France
6. Vereshchagin Institute for High Pressure Physics, RAS, Troitsk, 142190 Moscow, Russia
7. Department of Earth Sciences, University of Oxford, Oxford OX1 3AN, United Kingdom