1. RIKEN Center for Emergent Matter Science, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
2. Faculty of Mathematics and Natural Sciences, Department of Physics, Institut Teknologi Bandung, Jl. Ganesha 10, Bandung, West Java 40132, Indonesia
3. Department of Applied Physics and Chemical Engineering, Tokyo University of Agriculture and Technology, 2-24-16 Nakacho, Koganei, Tokyo, Tokyo 184-8588, Japan
4. Laboratory for Materials and Structures, Tokyo Institute of Technology, 4259 Nagatsuta, Midori-ku, Yokohama, Kanagawa 226-8503, Japan
5. Research Center for Nanoscience and Nanotechnology and Research Collaboration Center for Advanced Energy Materials, Institut Teknologi Bandung, Jalan Ganesha 10, Bandung, West Java 40132, Indonesia
6. Quantum Phase Electronic Center and Department of Applied Physics, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, Tokyo 113-8656, Japan
7. Department of Materials Science and Engineering, Tokyo Institute of Technology, 2-12-1 Ookayama, Meguro-ku, Tokyo, Tokyo 152-8550, Japan