1. Advanced Institute for Materials Research (WPI-AIMR), 2-1-1, Katahira, Aoba-Ku, Sendai 980-8577, Japan
2. AZUL Energy Inc., 1-9-1, Ichiban-Cho, Aoba-Ku, Sendai 980-0811, Japan
3. Institute of Multidisciplinary Research for Advanced Materials (IMRAM), Tohoku University, 2-1-1, Katahira, Aoba-Ku, Sendai 980-8577, Japan
4. Research Institute for Electronic Science (RIES), N21W10, Kita-Ku, Sapporo 001-0021, Japan
5. Department of Engineering Science, The University of Electro-Communications (UEC-Tokyo), 1-5-1, Chofugaoka, Chofu, Tokyo 182-8585, Japan