1. Department of Applied Physics, Faculty of Engineering, Rajamangala University of Technology Isan, Khon Kaen Campus, Khon Kaen 40000, Thailand
2. Synchrotron Light Research Institute (Public Organization), Nakhon Ratchasima 30000, Thailand
3. Metallurgy and Materials Science Research Institfute (MMRI), Chulalongkorn University, Bangkok 10330, Thailand