1. State Key Laboratory of Environment-Friendly Energy Materials, School of Materials and Chemistry, Southwest University of Science and Technology, Mianyang 621010, PR China
2. The Key Laboratory of Advanced Materials (MOE), School of Materials Science and Engineering, Tsinghua University, Beijing 100084, PR China
3. Condensed Matter Theory Group, Materials Theory Division, Department of Physics and Astronomy, Uppsala University, 75120 Uppsala, Sweden
4. China Aerodynamics Research and Development Center, Mianyang 621000, PR China
5. Department of Physics, Indian Institute of Technology Ropar, Rupnagar, Punjab 140001, India