1. Department of Basic Science and Mathematics, Faculty of Science and Digital Innovation, Thaksin University, Songkhla Campus, Songkhla 90000, Thailand
2. Giant Dielectric and Computational Design Research Group (GD−CDR), Department of Physics, Faculty of Science, Khon Kaen University, Khon Kaen 40002, Thailand
3. Institute of Nanomaterials Research and Innovation for Energy (IN-RIE), Khon Kaen University, Khon Kaen 40002, Thailand