Hu Qifa, Wen Bin, Fan Changzeng
State Key Laboratory of Metastable Materials, Science and Technology, Yanshan University, Qinhuangdao 066004, People's Republic of China.
IUCrdata. 2021 Sep 24;6(Pt 9):x210981. doi: 10.1107/S2414314621009810. eCollection 2021 Sep.
The inter-metallic phase with composition AlMnNi (icosa-aluminium penta-manganese nickel) was synthesized by high-temperature sinter-ing of a mixture with initial chemical composition AlMnNi. AlMnNi adopts the CoAl structure type in space-group type 6/, replacing the Co atoms with the transition-metal atoms Mn and Ni. Structure analysis revealed that one of the two transition-metal sites is partially occupied by Ni [refined occupancy 0.342 (2)] and the other is co-occupied by Mn and Ni with a ratio of 0.895 (14):0.105 (14). The present refined chemical composition is supported by complementary energy-dispersive X-ray fluorescence (EDX) analysis and is in agreement with the previously determined Al-Mn-Ni phase diagram [Balanetskyy (2011 ▸). , , 3795-3805].
通过对初始化学成分为AlMnNi的混合物进行高温烧结，合成了成分AlMnNi（二十面体铝五锰镍）的金属间相。AlMnNi在空间群类型6/中采用CoAl结构类型，用过渡金属原子Mn和Ni取代Co原子。结构分析表明，两个过渡金属位点中的一个部分被Ni占据（精修占有率为0.342 (2)），另一个由Mn和Ni以0.895 (14):0.105 (14)的比例共同占据。目前精修的化学成分得到了互补的能量色散X射线荧光（EDX）分析的支持，并且与先前确定的Al-Mn-Ni相图一致[巴拉涅茨基（2011年▸）。，，3795 - 3805]。
