1. Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, Sendai 980–8577, Japan
2. Institute of Materials and Systems for Sustainability, Nagoya University, Furo-cho, Chikusa 464-8603, Japan
3. Division of Applied Physics, Faculty of Pure and Applied Sciences, University of Tsukuba, Tsukuba 305-8573, Japan
4. LED Materials Department, Mitsubishi Chemical Corporation, Ushiku, Tsukuba 300-1295, Japan
5. Advanced Technology Laboratory, Fuji Electric Co., Ltd., Hino, Tokyo 191-8502, Japan
6. Research Center for Computational Design of Advanced Functional Materials, National Institute of Advanced Industrial Science and Technology, Tsukuba, Ibaraki 305-8568, Japan