School of Physics, Peking University, Beijing 100871, People's Republic of China
International Center for Quantum Materials, School of Physics, Peking University, Beijing 100871, People's Republic of China
School of Physics, Peking University, Beijing 100871, People's Republic of China
School of Physics, Peking University, Beijing 100871, People's Republic of China; Collaborative Innovation Center of Quantum Matter, Beijing 100871, People's Republic of China; Interdisciplinary Institute of Light-Element Quantum Materials and Research Center for Light-Element Advanced Materials, Peking University, Beijing 100871, People's Republic of China