1. School of Microelectronics Southern University of Science and Technology Shenzhen Guangdong 518055 China
2. Department of Materials Science and Engineering University of Toronto Toronto ON M5G 3E4 Canada
3. School of Electronic and Computer Engineering Peking University Shenzhen Graduate School Shenzhen Guangdong 518055 China
4. Department of Polymer Science and Engineering University of Massachusetts Amherst MA 01003 USA
5. State Key Laboratory for Artificial Microstructure and Mesoscopic Physics School of Physics Frontiers Science Center for Nano‐optoelectronics & Collaborative Innovation Center of Quantum Matter Peking University Beijing 100871 China
6. Engineering Research Center of Integrated Circuits for Next‐Generation Communications Ministry of Education Shenzhen Guangdong 518055 China
7. Shenzhen Institute of Wide‐bandgap Semiconductors Shenzhen 518100 China