1. Center for Nanoscale
Science, The Pennsylvania State University, University Park, Pennsylvania 16802-6300, United States
2. High Magnetic Field Laboratory, The Chinese Academy of Sciences, Hefei 230031, Anhui, People’s Republic of China
3. Collaborative Innovation
Center of Advanced Microstructures, Nanjing University, Nanjing 210093, People’s Republic of China
4. International Center for Quantum Materials, School of Physics, Peking University, Beijing 100871, People’s Republic of China