1. Institute for Chemical Research Kyoto University Uji Kyoto 611‐0011 Japan
2. Magnetic Powder Metallurgy Research Center AIST Chubu Nagoya Aichi 463‐8560 Japan
3. High Energy Accelerator Research Organization (KEK) Tokai Ibaraki 319‐1106 Japan
4. Center for Condensed Matter Sciences National Taiwan University Taipei 10617 Taiwan
5. Taiwan Consortium of Emergent Crystalline Materials Ministry of Science and Technology Taipei 10622 Taiwan
6. Center of Atomic Initiative for New Materials National Taiwan University Taipei 10617 Taiwan
7. National Synchrotron Radiation Research Center Hsinchu Science Park Hsinchu 30076 Taiwan