1. High
Magnetic Field Laboratory, Chinese Academy of Science, Hefei 230031, Anhui, People’s Republic of China
2. Hefei National Laboratory for
Physical Science at The
Microscale, University of Science and Technology of China (USTC), Hefei 230026, People’s Republic of China
3. Department
of Chemistry, University of Wisconsin—Madison, 1101 University Avenue, Madison, Wisconsin 53706, United States