1. Department of Physics and Materials Science, Faculty of Science Chiang Mai University Chiang Mai Thailand
2. Graduate School Chiang Mai University Chiang Mai Thailand
3. Division of Physics, Faculty of Science and Technology Rajamangala University of Technology Thanyaburi Pathum Thani Thailand
4. Department of Physics, Faculty of Science Srinakharinwirot University Bangkok Thailand
5. Division of Industrial Materials Science, Faculty of Science and Technology Rajamangala University of Technology Phra Nakhon Bangkok Thailand
6. Materials Science Research Center, Faculty of Science Chiang Mai University Chiang Mai Thailand