1. Department of Physics, National Cheng Kung University, Tainan 701, Taiwan
2. Sheng Chuang Technology Company, Taichung 407330, Taiwan
3. National Synchrotron Radiation Research Center, Hsinchu 300, Taiwan
4. Department of Photonics, National Sun Yat-sen University, Kaohsiung 80424, Taiwan
5. Department of Applied Physics, National University of Kaohsiung, Kaohsiung 811726, Taiwan
6. Taiwan Consortium of Emergent Crystalline Materials, Ministry of Science and Technology, Taipei 106, Taiwan