| Authors: |
Rahul; Department of Physics, National Cheng Kung University, Tainan, Taiwan., Kaur P; Department of Physics, National Cheng Kung University, Tainan, Taiwan., Sun JY; Department of Electrophysics, National Yang Ming Chiao Tung University, Hsinchu, Taiwan., Zheng JD; Key Laboratory of Polar Materials and Devices (MOE) and Department of Electronics, East China Normal University, Shanghai, China., Lin SC; Department of Physics, National Tsing Hua University, Hsinchu, Taiwan., Liou YD; Department of Physics, National Cheng Kung University, Tainan, Taiwan., Wei CC; Department of Physics, National Cheng Kung University, Tainan, Taiwan., Chang SC; Department of Physics, National Cheng Kung University, Tainan, Taiwan., Liu YC; Department of Physics, National Cheng Kung University, Tainan, Taiwan., Gou RL; Department of Physics, National Cheng Kung University, Tainan, Taiwan., Lu TH; Department of Physics, National Taiwan Normal University, Taipei, Taiwan., Lan YW; Department of Physics, National Taiwan Normal University, Taipei, Taiwan., Chen TM; Department of Physics, National Cheng Kung University, Tainan, Taiwan., Chen YC; Department of Physics, National Cheng Kung University, Tainan, Taiwan., Lin YC; National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Japan.; The Institute of Scientific and Industrial Research (SANKEN), The University of Osaka, Osaka, Japan., Suenaga K; The Institute of Scientific and Industrial Research (SANKEN), The University of Osaka, Osaka, Japan., Duan CG; Key Laboratory of Polar Materials and Devices (MOE) and Department of Electronics, East China Normal University, Shanghai, China. cgduan@clpm.ecnu.edu.cn., Hsu WT; Department of Physics, National Tsing Hua University, Hsinchu, Taiwan. wthsu@phys.nthu.edu.tw.; National Synchrotron Radiation Research Center, Hsinchu, Taiwan. wthsu@phys.nthu.edu.tw.; Research Center for Applied Sciences, Academia Sinica, Taipei, Taiwan. wthsu@phys.nthu.edu.tw., Luo CW; Department of Electrophysics, National Yang Ming Chiao Tung University, Hsinchu, Taiwan. cwluoep@nycu.edu.tw.; National Synchrotron Radiation Research Center, Hsinchu, Taiwan. cwluoep@nycu.edu.tw.; Institute of Physics, National Yang Ming Chiao Tung University, Hsinchu, Taiwan. cwluoep@nycu.edu.tw., Yang JC; Department of Physics, National Cheng Kung University, Tainan, Taiwan. janchiyang@phys.ncku.edu.tw.; Center for Quantum Frontiers of Research & Technology (QFort), National Cheng Kung University, Tainan, Taiwan. janchiyang@phys.ncku.edu.tw. |