1. Clean Nano Energy Center State Key Laboratory of Metastable Materials Science and Technology Yanshan University Qinhuangdao Hebei 066004 China
2. Guilin Electrical Equipment Scientific Research Institute Co. Ltd. Guilin Guangxi 541004 China
3. Tianjin Key Laboratory for Photoelectric Materials and Devices School of Materials Science and Engineering Tianjin University of Technology Tianjin 300384 China
4. Institute of Solid State Physics Vienna University of Technology Wiedner Hauptstr. 8–10 Vienna 1040 Austria
5. State Key Laboratory of Advanced Electromagnetic Engineering and Technology School of Electrical and Electronic Engineering Huazhong University of Science and Technology Wuhan Hubei 430000 China