The crystal and magnetic structures and magnetic properties of Nd_3Fe_(20)C_x intermetallic compounds have been studied by X-ray diffraction and neutron diffraction analysis and magnetic measurements.

• 用X射线衍射、磁测量和中子衍射对Nd_2Fe_(20)C_x化合物的晶、磁结构和基本磁性进行了研究。