1. Key Laboratory of Spectral Measurement and Analysis of Shanxi Province, College of Physics and Information Engineering, Shanxi Normal University, No. 1 Gongyuan Street, Yaodu District, Linfen 041004, China
2. Key Laboratory of Magnetic Molecules and Magnetic Information Materials (Ministry of Education), School of Chemistry and Material Science, Shanxi Normal University, No. 1 Gongyuan Street, Yaodu District, Linfen 041004, China
3. Shanxi Provincial Key Laboratory of Microstructure Electromagnetic Functional Materials, Shanxi Datong University, Xingyun Street,
Nanjiao District, Datong 037009, China