Citation: Song, Yunxia; Luo, Min; Lin, Chensheng; Ye, Ning (2017). Structural Modulation of Nitrate Group with Cations to Affect SHG Responses in RE(OH)2NO3 (RE = La, Y, and Gd): New Polar Materials with Large NLO Effect after Adjusting pH Values of Reaction Systems. Chemistry of Materials, , pp. -.