1. Department of Physics, Tamkang University, Tamsui 251301, Taiwan
2. National Synchrotron Radiation Research, Hsinchu 300092, Taiwan
3. Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, Sendai 980–8577, Japan
4. Australian Nuclear Science and Technology Organization, NSW 2234, Australia
5. Center for Condensed Matter Sciences and Center of Atomic Initiative for New Materials, National Taiwan University, Taipei 106319, Taiwan
6. Taiwan Consortium of Emergent Crystalline Material, National Science and Technology Council, Taipei 106214, Taiwan