1. Shenzhen Institute of Advanced Electronic Materials Shenzhen Institutes of Advanced Technology Chinese Academy of Sciences Shenzhen 518055 China
2. Institute of Materials Research Tsinghua Shenzhen International Graduate School Tsinghua University Shenzhen 518055 China
3. Shenzhen Samcien Semiconductor Materials Co., Ltd Shenzhen 518103 China
4. School of Electronic Science and Engineering Xiamen University Xiamen 361005 China