Ba-K-Bi-O and Ba-K-M-Bi-O (M=Rb, Pb and La) single crystals were propared using the electrocrystallization method.The resultingcrystalline materials were characterized by XPS,XRD and magnetic method.
A new phase of Gd_(2-x)Na_xCuO_4 was synthesized by direct precipitation from the mixture of Gd_2O_3 and CuO in the molten KOH/NaOH/KNO_3 solution at temperature as low as 280℃. The resulting precipitate was characte...A new phase of Gd_(2-x)Na_xCuO_4 was synthesized by direct precipitation from the mixture of Gd_2O_3 and CuO in the molten KOH/NaOH/KNO_3 solution at temperature as low as 280℃. The resulting precipitate was characterized by using SEM, XRD, EDX, XPS and magnetic method. The XRD data indicate that the precipitated Gd_(2-x)Na_xCuO_4 is monoclinic with lattice parameters a=8.6816, b=3.7233. c=6.0796. a=γ=90', 0=108.75° and V=186. 13.展开更多
文摘Ba-K-Bi-O and Ba-K-M-Bi-O (M=Rb, Pb and La) single crystals were propared using the electrocrystallization method.The resultingcrystalline materials were characterized by XPS,XRD and magnetic method.
文摘A new phase of Gd_(2-x)Na_xCuO_4 was synthesized by direct precipitation from the mixture of Gd_2O_3 and CuO in the molten KOH/NaOH/KNO_3 solution at temperature as low as 280℃. The resulting precipitate was characterized by using SEM, XRD, EDX, XPS and magnetic method. The XRD data indicate that the precipitated Gd_(2-x)Na_xCuO_4 is monoclinic with lattice parameters a=8.6816, b=3.7233. c=6.0796. a=γ=90', 0=108.75° and V=186. 13.
