1. Department of Physics and Materials Science
2. Faculty of Science
3. Chiang Mai University
4. Chiang Mai 50200
5. Thailand
6. Program of Physics
7. Ubon Ratchathani Rajabhat University
8. Ubon Ratchathani 34000
9. National Nanotechnology Center
10. National Science and Technology Development Agency
11. AFRST
12. The Royal Society of Thailand