1. Ministry of Education Key Laboratory for Nonequilibrium Synthesis and Modulation of Condensed Matter, Shaanxi Province Key Laboratory of Advanced Functional Materials and Mesoscopic Physics, School of Physics, Xi an Jiaotong University, Xi'an 710049, China
2. School of Materials and Engineering, Zhengzhou University of Aeronautics, Zhengzhou 450046, People's Republic of China
3. Materials Theory Division, Department of Physics and Astronomy, Uppsala University, Box 516, 75120 Uppsala, Sweden
4. Department of Engineering and Physics, Karlstad University, 65188 Karlstad, Sweden
5. College of Physics and Optoelectronic Technology, Baoji University of Arts and Sciences, Baoji, Shaanxi 721016, China