1. School of Materials and Energy, University of Electronic Science and Technology of China, Chengdu 610054, Sichuan, China
2. Shenzhen Institute for Advanced Study, University of Electronic Science and Technology of China, Shenzhen 518110, Guangdong, China
3. State Key Laboratory of Electronic Thin Films and Integrated Devices, University of Electronic Science and Technology of China, Chengdu 610054, Sichuan, China
4. Research Centre for Information Technology, Shenzhen Institute of Information Technology, Shenzhen 518172, Guangdong, China