1. Department of Physics, Faculty of Science, Kasetsart University, Bangkok 10900, Thailand
2. Department of Chemistry, The Gandhigram Rural Institute, Gandhigram, 624 302 Dindigul, Tamilnadu, India
3. Faculty of Science and Technology, Nakhon Sawan Rajabaht University, Mueang District, Nakhon Sawan 60000, Thailand
4. Department of Physics, Faculty of Science, Burapha University, Chonburi 10131, Thailand
5. Department of Materials Science and Processing, Graduate School of Natural Science and Technology, Gifu University, Yanagida, Gifu 501-1193, Japan