1. Stanford Institute for Materials and Energy Sciences, SLAC National Accelerator Laboratory, Menlo Park, California 94025, United States
2. Department of Geological Sciences, Stanford University, Stanford, California 94305, United States
3. State Key Laboratory of Metastable Materials Science and Technology, Yanshan University, Qinhuangdao, Hebei 066004, China
4. Department of Chemistry, Stanford University, Stanford, California 94305, United States
5. National Laboratory of Solid State Microstructures, College of Engineering and Applied Sciences, Nanjing University, Nanjing, Jiangsu 210093, China
6. School of Physics and Electronic Engineering, Linyi University, Linyi, Shandong 276005, China
7. Department of Applied Physics, Stanford University, Stanford, California 94305, United States