Magnetic material R,Fe,Mo,(Co) with ThMn12 structure

Preparation and magnetic properties of ThMn12-type phases R,Fe,Mo,(Co), R=Y, Ce, Nd, Sm, Gd, Dy, Er are described. The ternary material, without Co, exhibits saturation magnetization up to 1 T and Curie temperature up to 215 °C, the quaternary material, with Co, up to 1.2 T, and 295 °C, respectively.