1. Department of Electrical Engineering, Indian Institute of Technology Delhi, New Delhi, India
2. Wide Bandgap Compound Semiconductor Research Center, Industry Academia Innovation School, National Yang-Ming Chiao Tung University, Hsinchu, Taiwan
3. International College of Semiconductor Technology, National Yang-Ming Chiao Tung University, Hsinchu, Taiwan
4. Wellywave Semiconductors, Hsinchu, Taiwan
5. New Product Technology Division, Wafer Works Corporation, Taoyuan, Taiwan
6. Department of Materials Science and Engineering, International College of Semiconductor Technology, National Yang-Ming Chiao Tung University, Hsinchu, Taiwan