1. Corporate R & D Headquarters, Fuji Electric Co., Ltd., Tokyo 191-8502, Japan
2. Department of Quantum Science and Engineering, Graduate School of Engineering, Hokkaido University, Sapporo 001-0021, Japan
3. Photon Factory, Institute of Materials Structure Science, High Energy Accelerator Research Organization (KEK-PF), Tsukuba 305-0811, Japan
4. Department of Advanced Biomaterials, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo 113-8549, Japan
5. Catalysis Research Center, Hokkaido University, Sapporo 001-0021, Japan