1. Institute of Multidisciplinary Research for Advanced Materials (IMRAM, Tagen), Tohoku University, Sendai980-0877, Japan
2. Department of Physics, Graduate School of Sciences, Tohoku University, Sendai980-8578, Japan
3. Center for Science and Innovation in Spintronics (Core Research Cluster), Tohoku University, Sendai980-8577, Japan
4. Department of Industrial Systems Engineering, National Institute of Technology (KOSEN), Hachinohe
College, 16-1 Uwanotai, Tamonoki, Hachinohe039-1192, Japan
5. Department of Chemistry, Graduate School of Science, Josai University, Sakado, Saitama350-0295, Japan
6. Department of Chemistry, Graduate School of Science, Tohoku University, Sendai980-8578, Japan
7. School of Materials Science and Engineering, Nankai University, Tianjin300350, People’s Republic of China