1. National Synchrotron Radiation Laboratory and Department of Chemical Physics, University of Science and Technology of China, Hefei 230029, P.R. China
2. Hefei National Laboratory of Physical Sciences at the Microscale, School of Chemistry and Materials Science, CAS Key Laboratory of Materials for Energy Conversion, and CAS Center for Excellence in Nanoscience, University of Science and Technology of China, Hefei 230026, P.R. China
3. Synergetic Innovation of Quantum Information & Quantum Technology, University of Science and Technology of China, Hefei 230026, P.R. China