1. Laboratory for Materials and Structures Tokyo Institute of Technology 4259 Nagatsuta, Midori‐ku Yokohama 226‐8503 Japan
2. PRESTO Japan Science and Technology Agency 7 Gobancho Chiyoda‐ku Tokyo 102‐0076 Japan
3. Research Center for Magnetic and Spintronic Materials National Institute for Materials Science 1‐2‐1 Sengen Tsukuba Ibaraki 305‐0047 Japan
4. Institute of Solid State Physics Vienna University of Technology Wiedner Hautptstrasse 8‐10, A‐1040 Vienna Austria
5. Graduate School of Information Science and Technology Hokkaido University N14W9, Kita‐ku Sapporo 060‐0814 Japan
6. Institute of Engineering Innovation The University of Tokyo 2‐11‐16 Yayoi, Bunkyo‐ku Tokyo 113‐8656 Japan
7. Graduate School of Engineering Science Osaka University 1‐3 Machikaneyama‐cho Toyonaka Osaka 560‐8531 Japan
8. Materials Research Center for Element Strategy Tokyo Institute of Technology 4259 Nagatsuta, Midori‐ku Yokohama 226‐8503 Japan
9. Research Institute for Electronic Science Hokkaido University N20W10, Kita‐ku Sapporo 001‐0020 Japan