1. Hefei
National Laboratory for Physical Sciences at the Microscale and Department
of Materials Science and Engineering, University of Science and Technology of China, Hefei 230026, Anhui, China
2. Synergetic
Innovation Center of Quantum Information and Quantum Physics, University of Science and Technology of China, Hefei 230026, Anhui, China
3. Department
of Chemistry, University of California, Berkeley, California 94720, United States
4. State
Key Laboratory of Functional Materials for Informatics, Shanghai Institute
of Microsystem and Information Technology, Chinese Academy of Science, Shanghai 200050, China
5. Materials
Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
6. National
Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei 230026, Anhui, China
7. Advanced
Light Source, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
8. Department
of Chemistry and Biochemistry, University of California, Santa Cruz, California 95064, United States