1. Bayerisches Geoinstitut; University of Bayreuth; Bayreuth Germany
2. Deutsches Elektronen-Synchrotron DESY; Hamburg Germany
3. Laboratory for Materials and Structures; Tokyo Institute of Technology; Yokohama Japan
4. Japan Synchrotron Radiation Research Institute (JASRI); Hyogo Japan
5. Institute for Materials Science; Christian-Albrechts-University at Kiel; Kiel Germany
6. Center for High Pressure Science & Technology Advanced Research; Beijing China