*Masahiro KAYAMA1,2, Naotaka Tomioka3, Eiji Ohtani1, Yusuke Seto4, Hiroshi Nagaoka5, Jens Götze6, Akira Miyake7, Shin Ozawa1, Toshimori Sekine8,9, Masaaki Miyahara8, Kazushige Tomeoka4, Megumi Matsumoto4, Naoki Shoda4, Naohisa Hirao10
(1.Department of Earth and Planetary Material Sciences, Faculty of Science, Tohoku University, 2.Creative Interdisciplinary Research Division, Frontier Research Institute for Interdisciplinary Sciences, Tohoku University, 3.Kochi Institute for Core Sample Research, Japan Agency for Marine-Earth Science and Technology, 4.Department of Planetology, Graduate School of Science, Kobe University, 5.Research Institute for Science and Engineering, Waseda University, 6.TU Bergakademie Freiberg, Institut für Mineralogie, 7.Department of Geology and Mineralogy, Graduate School of Science, Kyoto University, 8.Department of Earth and Planetary Systems Science, Graduate School of Science, Hiroshima University, 9.Center for High Pressure Science and Technology Advanced Research, 10.Japan Synchrotron Radiation Research Institute)