L. Romaka, Y. Stadnyk, V. Romaka, A. Zelinskiy, P. Klyzub, A. Horyn
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引用次数: 0
摘要
在 870 K 的整个浓度范围内，采用 X 射线相分析、微观结构和能量色散 X 射线光谱法研究了 Y-Cu-Sb 三元体系中各组分的相互作用：Y3Cu22Sb9（Dy3Cu20+xSb11-x 结构类型，空间群 F-43m，a=1.6614(3) nm）、Y3Cu3Sb4（Y3Au3Sb4 结构类型，空间群 I-43d，а=0.95357(5) nm）、YCuSb2（HfCuSi2 结构类型，空间群 P4/nmm，a=0.42580(1)，c=0.98932(3) nm）。铜在二元化合物 YSb（NaCl 结构类型）中的溶解度高达 8%。
Phase equilibrium diagram of Y-Cu-Sb system at 870 K
The interaction of the components in the Y-Cu-Sb ternary system was investigated using the methods of X-ray phase analysis, microstructure, and energy-dispersive X-ray spectroscopy in the whole concentration range at 870 K. At the temperature of investigation Y-Cu-Sb system is characterized by the formation of three ternary compounds: Y3Cu22Sb9 (Dy3Cu20+xSb11-x structure type, space group F-43m, a=1.6614(3) nm), Y3Cu3Sb4 (Y3Au3Sb4 structure type, space group I-43d, а=0.95357(5) nm), YCuSb2 (HfCuSi2 structure type, space group P4/nmm, a=0.42580(1), c=0.98932(3) nm). The solubility of copper in the binary compound YSb (NaCl structure type) extends up to 8 at. %.
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