1. Southern University of Science & Technology of China, Shenzhen, Guangdong 518055, China
2. HiPSEC & Physics Department, University of Nevada, Las Vegas, Nevada 89154, United States
3. Institute of Atomic & Molecular Physics, Sichuan University, Chengdu 610065, China
4. Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, United States
5. Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan, Shanxi 030001, China
6. Hubei Better Materials Co., Ltd., Hong’an, Hubei 438408, China
7. Materials Science & Technology Division, Los Alamos National Laboratory, Los Alamos, New Mexico 87545, United States
8. Institute of Physics, Chinese Academy of Sciences, Beijing, 100190, China
9. Metallurgy & Materials Science Research Institute, Chulalongkorn University, Bangkok, 10330, Thailand