研究了Mn替代Co对Tb2Co17金属间化合物结构和磁性的影响.X射线衍射表明:Tb2Co17-xMnx(x=0,1,2,3,4)化合物均为Th2Zn17型菱方结构;晶胞参数和单胞体积均随Mn含量的增加而线性增大.磁性测量表明:Tb2Co17-xMnx(x=0,1,2,3,4)化合物室温为面各向异性;居里温度Tc随Mn含量x的增加而线性降低;自旋重取向温度Tsr随Mn含量x的增加而线性降低;饱和磁化强度Ms起初随Mn含量增加而缓慢增大,当x>3时随Mn含量增加而迅速减小.
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