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AGa3F6(SeO3)2(A = Rb, Cs): A new type of phase-matchable hexagonal tungsten oxide material with strong second-harmonic generation responses

Wu, Chao; Jiang, Xingxing; Lin, Lin; Lin, Zheshuai; Huang, Zhipeng; Humphrey, Mark; Zhang, Chi


Combining a wide band gap, strong second-harmonic generation (SHG), and good phase matchability into a single structure is an ongoing challenge in the design of nonlinear optical (NLO) materials. Herein, we report the first examples of fluorinated gallium selenites AGa3F6(SeO3)2 [A = Rb (RGFS), Cs (CGFS)] by introducing fluorinated main-group metal octahedra [GaO2F4] into the metal selenite system. The two new compounds are isostructural (noncentrosymmetric space group P63mc) and feature...[Show more]

CollectionsANU Research Publications
Date published: 2020-06-23
Type: Journal article
Source: Chemistry of Materials
DOI: 10.1021/acs.chemmater.0c01971
Access Rights: Open Access


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