1. Shaanxi Province Key Laboratory for Electrical Materials and Infiltration Technology, School of Materials Science and Engineering, Xi’an University of Technology, Xi’an 710048, China
2. Advanced Materials Research Group, Department of Mechanical, Materials and Manufacturing Engineering, Faculty of Engineering, University of Nottingham, Nottingham NG7 2RD, UK
3. Laboratory of Thin Film Techniques and Optical Test, School of Photoelectrical Engineering, Xi’an Technological University, Xi’an, 710032, China