1. Research & Development Group, Hitachi, Ltd., 1-280 Higashi-Koigakubo, Kokubunji-shi, Tokyo 185-8601, Japan
2. Department of Materials Process Engineering, Nagoya University, Chikusa-ku, Nagoya 464-8603, Japan
3. SAGA Light Source, Tosu, Saga 841-0005, Japan
4. Institute of Materials and Systems for Sustainability, Nagoya University, Chikusa-ku 464-8603, Nagoya, Japan