1. Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of Education, Jilin Normal University, Changchun 130103, China
2. School of Materials Science and Engineering, Changchun University of Science and Technology, Chuangchun 130022, China
3. National Demonstration Center for Experimental Physics Education, Jilin Normal University, Siping 136000, China
4. Key Laboratory of Preparation and Application of Environmental Friendly Materials, Ministry of Education, Jilin Normal University, Changchun 130103, China