1. School of Physics, Suranaree University of Technology, 111 University Avenue, Muang District, Nakhon Ratchasima 30000, Thailand
2. Synchrotron Light Research Institute (Public Organization), 111 University Avenue, Muang District, Nakhon Ratchasima 30000, Thailand
3. Thailand Center of Excellence in Physics, CHE, Bangkok 10400, Thailand
4. Institute for Solid State Physics, The University of Tokyo, Kashiwa, Chiba 277-8581, Japan