A new mixed metal iodate, namely Ag Cu（IO3）3, has been prepared using hydrothermal method. Ag Cu（IO3）3 crystallizes in the triclinic group P1 with a = 7.3063（6）, b = 7.8050（6）, c = 8.2447（6） A, α = 67.212（...A new mixed metal iodate, namely Ag Cu（IO3）3, has been prepared using hydrothermal method. Ag Cu（IO3）3 crystallizes in the triclinic group P1 with a = 7.3063（6）, b = 7.8050（6）, c = 8.2447（6） A, α = 67.212（7）, β = 74.978（7）, γ = 80.972（7）°, V = 417.80（6） A^3 and Z = 2. The structure features one-dimensional [Cu（IO3）3]n^n- anionic chains that are separated by Ag~＋ cations. Such [Cu（IO3）3]n^n- chain is composed of [Cu2O（11）]n chain decorated by unidentate hanging and bidentate bridging iodate groups. Thermal study implies that Ag Cu（IO3）3 is thermally stable up to 460 oC and the optical measurement determined the optical band gap of 3.11 eV with a broad absorption band centered at 765 nm. Magnetic investigations show that Ag Cu（IO3）3 is a soft ferromagnet.展开更多
基金supported by the Natural Science Foundation of Fujian Province(No.2015J05045)the National Natural Science Foundation of China(No.21373222,21231006)
文摘A new mixed metal iodate, namely Ag Cu（IO3）3, has been prepared using hydrothermal method. Ag Cu（IO3）3 crystallizes in the triclinic group P1 with a = 7.3063（6）, b = 7.8050（6）, c = 8.2447（6） A, α = 67.212（7）, β = 74.978（7）, γ = 80.972（7）°, V = 417.80（6） A^3 and Z = 2. The structure features one-dimensional [Cu（IO3）3]n^n- anionic chains that are separated by Ag~＋ cations. Such [Cu（IO3）3]n^n- chain is composed of [Cu2O（11）]n chain decorated by unidentate hanging and bidentate bridging iodate groups. Thermal study implies that Ag Cu（IO3）3 is thermally stable up to 460 oC and the optical measurement determined the optical band gap of 3.11 eV with a broad absorption band centered at 765 nm. Magnetic investigations show that Ag Cu（IO3）3 is a soft ferromagnet.
