1. Shandong Key Laboratory of Optical Communication Science and Technology, School of Physics Science & Information Technology, Liaocheng University, Liaocheng 252059, China
2. Shandong Engineering & Technology Research Center for Superhard Materials, Shandong University, Ji’nan 250061, China
3. Institute of Atomic and Molecular Physics, Jilin University, Changchun 130012, China
4. Laboratory of Quantum Functional Materials Design and Application, School of Physics and Electronic Engineering, Jiangsu Normal University, Xuzhou 221116, China