1. Henan Key Laboratory of Magnetoelectronic Information Functional Materials, School of Electronics and Information, Zhengzhou University of Light Industry, Zhengzhou 450002, People’s Republic of China
2. Anhui Province Key Laboratory of Pollutant Sensitive Materials and Environmental Remediation, Huaibei Normal University, Huaibei, Anhui 235000, P. R. China
3. College of Physics and Electronic Engineering, Hebei Minzu Normal University, Chengde 067000, P. R. China