1. Advanced Material Research Unit
2. Faculty of Science
3. King Mongkut's Institute of Technology Ladkrabang
4. Bangkok 10520
5. Thailand
6. Department of Physics, Faculty of Science
7. Udon Thani Rajabhat University
8. Udon Thani 41000
9. Synchrotron Light Research Institute (Public Organization)
10. Nakhon Ratchasima 30000
11. Electroceramic Research Unit
12. College of Nanotechnology