1. Department of Physics, Faculty of Science, Chiang Mai University, Chiang Mai, Thailand 50200, Thailand
2. National Metal and Materials Technology Center (MTEC), 114 Paholyothin Rd., Klong Luang, Pathumthani, Thailand 12120, Thailand
3. School of Science, Mae Fah Luang University, Chiang Rai, 57100, Thailand