Experimental determination of giant polarization in wurtzite III-nitride semiconductors

H Haotian Ye P Ping Wang R Rui Wang J Jinlin Wang X Xifan Xu R Ran Feng (Department of Geosciences) T Tao Wang W Wen-Yi Tong (Key Laboratory of Polar Materials and Devices (MOE), School of Physics and Electronic Science, East China Normal University 1 , Shanghai 200241,) F Fang Liu B Bowen Sheng W Wenjie Ma B Bingxuan An H Hongjian Li Z Zhaoying Chen C Chun-Gang Duan (Key Laboratory of Polar Materials and Devices (MOE), School of Physics and Electronic Science, East China Normal University 1 , Shanghai 200241,) W Weikun Ge B Bo Shen (Department of Chemistry) X Xinqiang Wang (Department of Epidemiology and Biostatistics, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology)