1. Department of Materials Science and Engineering, Ulsan National Institute of Science and Technology (UNIST), Ulsan 44919, Republic of Korea
2. Smart Devices Team, Korea Research Institute of Standards & Science (KRISS), Daejeon 34113, Republic of Korea
3. Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Republic of Korea
4. UNIST Central Research Facilities, Ulsan National Institute of Science and Technology (UNIST), Ulsan 44919, Republic of Korea
5. Department of Materials Science and Engineering, Hanbat National University, Daejeon 34158, Republic of Korea
6. Graduate School of Semiconductor Materials & Devices, Ulsan National Institute of Science and Technology (UNIST), Ulsan 44919, Republic of Korea
7. Center for Nanoparticle Research, Institute for Basic Science (IBS), Seoul 08826, Republic of Korea