1. Department of Electrical and Computer Engineering, Seoul National University, Seoul 08826, Republic of Korea
2. Department of Mechanical Engineering, Seoul National University, Seoul 08826, Republic of Korea
3. SOFT Foundry Institute, Seoul National University, Seoul 08826, Republic of Korea
4. Institute of Advanced Machines and Design, Seoul National University, Seoul 08826, Republic of Korea
5. Inter-university Semiconductor Research Center, Seoul National University, Seoul 08826, Republic of Korea