Citation: Wu, Chao; Jiang, Xingxing; Lin, Lin; Lin, Zheshuai; Huang, Zhipeng; Humphrey, Mark G.; Zhang, Chi (2020). AGa3F6(SeO3)2 (A = Rb, Cs): A New Type of Phase-Matchable Hexagonal Tungsten Oxide Material with Strong Second-Harmonic Generation Responses. Chemistry of Materials, , pp. -.