1. Laboratory of Advanced Science and Technology for Industry, University of Hyogo, 3-1-2 Koto, Kamigori, Hyogo 678-1205, Japan
2. Graduate School of Material Science, University of Hyogo, 3-2-1 Koto, Kamigori, Hyogo 678-1297, Japan
3. Graduate School of Engineering, University of Hyogo, 2167 Shosha, Himeji, Hyogo 671-2280, Japan
4. Japan Synchrotron Radiation Research Institute, 1-1-1 Koto, Sayo, Hyogo 679-5198 Japan
5. Hyogo Prefectural Institute of Technology, 3-1-12 Yukihira, Suma, Kobe 654-0037, Japan
6. Mazda Motor Corporation, 3-1 Shinchi, Fuchu, Hiroshima 730-8670, Japan