1. Institute of Semiconductors South China Normal University Guangzhou 510631 P. R. China
2. Institute of Quantum Computing and Computer Theory School of Computer Science and Engineering Sun Yat‐Sen University Guangzhou 510006 China
3. School of Materials and Energy Guangdong University of Technology Guangzhou Guangdong 510006 P. R. China
4. Guangdong Provincial Key Laboratory of Chip and Integration Technology Guangzhou 510631 P. R. China