title: Bi(IO3)F2: The First Metal Iodate Fluoride with a Very Strong Second Harmonic Generation Effect.
abstract: The first metal iodate fluoride, Bi(IO3)F2, with a strong second harmonic generation (SHG) effect has been prepared. Bi(IO3)F2crystallizes in the polar space group C2 and features a three-dimensional [BiF2]+cationic framework with IO3groups capping the inner walls of the one-dimensional tunnels. This [BiF2]+cationic framework acts as a template for the assembly of the polar IO3units in a favorable superposed fashion, which leads to the polar structure of the material. Bi(IO3)F2displays a rather wide transmittance window (0.3-11 μm) and exhibits a very strong SHG response that is about 11.5 times larger than that of KH2PO4(KDP) under 1064 nm laser radiation and the same as that of KTiOPO4(KTP) under 2.05 μm laser radiation. Preliminary investigations indicate that Bi(IO3)F2is a promising nonlinear optical material in the visible and mid-IR region.
authors.affiliation: Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, P. R. China.|University of the Chinese Academy of Sciences, Beijing, 100039, P. R. China.
authors.forename: Fei-Fei
authors.initials: FF
authors.lastname: Mao
authors.affiliation: Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, P. R. China.
authors.forename: Chun-Li
authors.initials: CL
authors.lastname: Hu
authors.affiliation: Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, P. R. China.
authors.forename: Xiang
authors.initials: X
authors.lastname: Xu
authors.affiliation: Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, P. R. China.|University of the Chinese Academy of Sciences, Beijing, 100039, P. R. China.
authors.forename: Dong
authors.initials: D
authors.lastname: Yan
authors.affiliation: Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, P. R. China.
authors.forename: Bing-Ping
authors.initials: BP
authors.lastname: Yang
authors.affiliation: Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, P. R. China.
authors.forename: Jiang-Gao
authors.initials: JG
authors.lastname: Mao
keywords: NLO materials; bismuth; metal iodate fluorides; second harmonic generation; theoretical calculations