Wiranwetchayan, Orawan
Promnopas, Wonchai
Hongsith, Kritsada
Choopun, Supab
Singjai, Pisith
Thongtem, Somchai
Funding for this research was provided by:
Thailand's Office of the Higher Education Commission, Thailand Research Fund (TRF) and Chiang Mai University (CMU) (MRG5680025)
Chiang Mai University (TH) (CMU New Researcher Grant 2013)
Department of Physics and Materials Science, Faculty of Science, CMU (-)