1. Department of Physics, Graduate School of Science, Hiroshima University, Higashihiroshima, Hiroshima 739-8526, Japan
2. Department of Quantum Matter, AdSM, Hiroshima University, Higashihiroshima, Hiroshima 739-8530, Japan
3. Department of Applied Science for Electronics and Materials, IGSES, Kyusyu University, Kasuga, Fukuoka 816-8580, Japan
4. Japan Synchrotron Radiation Research Institute (JASRI), SPring-8, Sayo, Hyogo 679-5198, Japan
5. Synchrotron Radiation Research Center, National Institutes for Quantum and Radiological Science and Technology, Sayo, Hyogo 679-5148, Japan
6. ESRF-The European Synchrotron 71, Avenue des Martyrs Grenoble, France
7. Faculty of Pure and Applied Sciences and Tsukuba Research Center for Energy Materials Science (TREMS), University of Tsukuba, Tsukuba, Ibaraki 305-8571, Japan
8. Geodynamics Research Center (GRC), Ehime University, Matsuyama 790-8577, Japan