1. Center for Programmable Materials; School of Materials Science and Engineering; Nanyang Technological University; 50 Nanyang Avenue Singapore 639798 Singapore
2. Beijing National Laboratory for Condensed Matter Physics; Institute of Physics; Chinese Academy of Sciences; Beijing 100190 China
3. School of Physical Sciences; University of Chinese Academy of Sciences; Beijing 100049 China
4. Institute of Materials Research and Engineering; A*STAR (Agency for Science, Technology and Research); 2 Fusionopolis Way, Innovis #08-03 Singapore 138634 Singapore
5. Collaborative Innovation Center of Quantum Matter; Beijing 100190 China