1. Department of Physics, Faculty of Science and Technology, Thammasat University, Pathumthani 12121, Thailand
2. Research Unit in Innovative Sensors and Nanoelectronic Devices, Thammasat University, Pathumthani 12121, Thailand
3. School of Advanced Materials Science and Engineering, Sungkyunkwan University, Suwon 16419, Korea
4. Department of Physics, Faculty of Science, Mahidol University, Bangkok 10400, Thailand
5. School of Health Science and Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China