Realization of 2D metals at the ångström thickness limit

Jiaojiao Zhao, Li Lü, Peixuan Li, Liyan Dai, Jingwei Dong, Lanying Zhou, Yizhe Wang, Peihang Zhang, Kunshan Ji, Y. Q. Zhang, Hua Yu, Wei Zheng, Jiawei Li, Xiuzhen Li, Zhiheng Huang, Boxin Wang, Jieying Liu, Yutong Chen, Xingchao Zhang, Shuopei Wang, Na Li, Wei Yang, Dongxia Shi, Jinbo Pan, Shixuan Du, Luojun Du, Guangyu Zhang