1. Department of Chemistry, Louisiana State University, Baton Rouge, Louisiana 70803, United States
2. Hawai’i Institute of Geophysics and Planetology, University of Hawai’i at Manoa, Honolulu, Hawaii 96822, United States
3. Beijing National Laboratory for Condensed Matter Physics and Institute of Physics, Chinese Academy of Sciences, Beijing, China 100190
4. School of Physical Sciences, University of Chinese Academy of Sciences, Beijing, China 100190
5. Songshan Lake Materials Laboratory, Dongguan, Guangdong, China 523808