1. Department of Chemistry, Graduate School of Science, Tohoku University, Aramaki-Aza-Aoba,
Aoba-Ku, Sendai980-8578, Japan
2. Department of Chemistry, Graduate School of Science, Josai University, 1-1 Keyakidai, Sakado, Saitama350-0295, Japan
3. School of Materials Science and Engineering, Nankai University, Tianjin300350, China
4. International Center for Materials Nanoarchitechtonics (MANA), National Institute for Materials Sciences (NIMS), 1-1 Namiki, Tsukuba, Ibaraki305-0044, Japan
5. Institute of Multidisciplinary Research for Advanced Materials (IMRAM, Tagen), Tohoku University, 2-1-1, Katahira, Aoba-Ku, Sendai9800877, Japan
6. Center for Spintronics Research Network, Tohoku University, 2-1-1 Katahira,
Aoba-ku, Sendai980-8577, Japan