1. Key Laboratory of Nonequilibrium Synthesis and Modulation of Condensed Matter, Xian Jiaotong University, Ministry of Education, Xian, Shaanxi 710049, China
2. Shaanxi Key Laboratory of Quantum Information and Quantum Optoelectronic Devices, Xian Jiaotong University, Xian, Shaanxi 710049, China
3. School of Physics, Northwest University, Xian, Shaanxi 710069, China
4. Electron microscopy for Materials research (EMAT), University Antwerpen, Groenenborgerlaan 171, 2020 Antwerpen, Belgium
5. Department of Materials Science and Engineering, National University of Singapore, Singapore 117575
6. Department of Physics and Astronomy, The University of Toledo, Toledo, Ohio 43606, United States
7. Beijing Computational Science Research Center, Beijing 100193, China