With the supports from the National Natural Science Foundation of China,Ministry of Science and Technology of China,Chinese Academy of Sciences,and Collaborative Innovation Center of Quantum Matter,the teams led by Professor Jiang Ying(江颖),Professor Xu LiMei and Professor Wang EnGe of the International Center for Quantum Materials (ICQM)of Peking University,in collaboration with Professor Gao YiQin of the College of Chemistry and Molecular Engineering of Peking University and Dr.