1. Department of Materials Science and Engineering, National Chung Hsing University, Taichung, 40227, Taiwan
2. Fisika Aplikatua Saila, Gipuzkoako Ingeniaritza Eskola, University of the Basque Country (UPV/EHU), Europa Plaza 1, 20018 Donostia/San Sebastián, Spain
3. Centro de Física de Materiales (CSIC-UPV/EHU), Manuel de Lardizabal Pasealekua 5, 20018 Donostia/San Sebastián, Spain
4. Department of Physics, National Cheng Kung University, Tainan, 70101, Taiwan
5. Department of Materials and Optoelectronic Science, National Sun Yat-sen University, Kaohsiung, 80424, Taiwan
6. National Synchrotron Radiation Research Center, Hsinchu, 30076, Taiwan