Effects of local cation distribution on nitrogen vacancy formation in wurtzite Al1−xScxN ferroelectricsRemoveHaoji Qian, Xiaoxi Li, Yuan Fang, Yian Ding, Yan Liu, Chengji Jin, Jiajia Chen, Yue Hao, and Genquan HanPhys. Rev. B 113, 144107 (2026)