1. Department of Physics and Materials Science, Chiang Mai University, Chiang Mai 50200, Thailand
2. School of Ceramic Engineering, Suranaree University of Technology, Nakhon Ratchasima 30000, Thailand
3. Smart and Innovative Energy Research Unit, Suranaree University of Technology, Nakorn Ratchasima 30000, Thailand
4. Materials Science Research Center, Faculty of Science, Chiang Mai University, Chiang Mai 50200, Thailand