Citation: Liu, Bin-Wen; Jiang, Xiao-Ming; Pei, Shao-Min; Chen, Wen-Fa; Yang, Long-Qi; Guo, Guo-Cong (2021). Balanced infrared nonlinear optical performance achieved by modulating the covalency and ionicity distributions in the electron localization function map.. Materials horizons, 8, pp. 3394-3398.