School of Physics and Engineering, Henan University of Science and Technology, Luoyang 471003;
Luoyang Key Laboratory of Photonic and Electronic Materials, Luoyang 471003;
Department of Mathematics and Science, Luoyang Institute of Science and Technology, Luoyang 471023;
School of Physics and Engineering, Henan University of Science and Technology, Luoyang 471003;
Luoyang Key Laboratory of Photonic and Electronic Materials, Luoyang 471003;
School of Physics and Engineering, Henan University of Science and Technology, Luoyang 471003;
Luoyang Key Laboratory of Photonic and Electronic Materials, Luoyang 471003;
School of Physics and Engineering, Henan University of Science and Technology, Luoyang 471003;
Luoyang Key Laboratory of Photonic and Electronic Materials, Luoyang 471003;