X射线衍射证实Y2Fe17-xMnx（x≤6.0）的结构与Y2Fe17相同.Y2Fe17-xMnx化合物的晶格常数、居里温度、饱和磁化强度的研究结果表明：晶格常数并非随Mn含量的增加而连续增大，而是在x=2.0处出现一最小值.居里温度由x=0的328K上升到x=0.3的342K，以后随Mn含量增加而下降.Y2Fe17-xMnx化合物的饱和磁化强度随Mn含量增加而急剧减小.
X-ray diffraction has proved that the structure of Y2Fe17-xMnx(x≤6.0) compounds is same as Y2Fe17. The study on the lattice constants, Curie temperature and magnetization of the Y2Fe17-xMnx compounds has shown that the lattice constants do not increase continuously with increasing Mn content and have a minimum at x=2.0. The Curie temperature increases from 328 K (x=0.0) to 342 K (x=0.3), and then decreases with increasing Mn content. The saturation magnetization decreases with increasing Mn content.
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