T. Harano1, G. Shibata1, K. Yoshimatsu1, K. Ishigami2, V.K. Verma1, Y. Takahashi1, T. Kadono1, T. Yoshida1, A. Fujimori1, T. Koide3, F.-H. Chang4, H.-J. Lin4, D.-J. Huang4, C.-T. Chen4, P.-H. Xiang5,6, H. Yamada5, A. Sawa5
1Department of Physics, University of Tokyo, Bunkyo-ku, Tokyo 113-0033, Japan
2Department of Complexity Science and Engineering, University of Tokyo, Kashiwa-shi, Chiba 277-8561, Japan
3High Energy Accelerator Research Organization (KEK) Photon Factory, Tsukuba, Ibaraki 305-0016, Japan
4National Synchrotron Radiation Research Center (NSRRC), Hsinchu 300, Taiwan
5National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Ibaraki 305-8562, Japan
6Key Laboratory of Polar Materials and Devices, Ministry of Education, East China Normal University, Shanghai 200241, China