1. Department of Science and Engineering, Kyushu Institute of Technology, Kitakyushu, Japan
2. Graduate School of Engineering, Nagoya Institute of Technology, Nagoya, Japan
3. Frontier Research Institute of Materials Science, Nagoya Institute of Technology, Nagoya, Japan
4. Tohoku Magnet Institute, Sendai, Japan
5. Department of Materials and Science and Technology, Gifu University, Gifu, Japan