1. School of Materials Science and Engineering, Xiangtan University, Xiangtan 411105, China
2. Hunan Provincial National Defense Key Laboratory of Key Film Materials & Application for Equipments, Xiangtan University, Xiangtan 411105, China
3. Hunan Provincial Key Laboratory of Thin Film Materials and Devices, Xiangtan University, Xiangtan 411105, China
4. Northwest Institute of Nuclear Technology, Xi'an, Shanxi 710024, China
5. The School of Mathematics and Computational Science, Xiangtan University, Xiangtan, Hunan 411105, China