Title :
Magnetic properties of (Sm1-xRx)2 Fe17N y (R=Dy, Er) compounds
Author :
Tegus, O. ; Lu, Yang ; Tang, N. ; Wu, J.X. ; Yu, Mingjun ; Li, A. ; Zhao, R.W. ; Jian, Yuan ; Yang, Fei
Author_Institution :
Inst. of Phys., Chinese Acad. of Sci., Beijing, China
fDate :
9/1/1992 12:00:00 AM
Abstract :
The effects of the substitutions of Dy and Er for Sm on the crystal structure and magnetic properties of Sm2Fe17 and Sm2Fe17Ny compounds have been investigated. The structures of (Sm1-xRx )2 Fe17Ny compounds with R =Dy and Er and the hosts change from Th2Zn17-type to Th2Ni17-type with increasing Dy and Er contents. The replacement of Sm by Dy or Er results in a decrease in Curie temperature, saturation magnetization, and magnetic anisotropy field in the (Sm1-xRx )2Fe17Ny compounds. A tentative spin phase diagram of the (Sm1-xDyx)2Fe 17Ny compounds is suggested
Keywords :
Curie temperature; crystal atomic structure of alloys; dysprosium alloys; erbium alloys; ferromagnetic properties of substances; iron alloys; lattice constants; magnetic anisotropy; magnetic susceptibility; magnetisation; permanent magnets; samarium alloys; (Sm1-xDyx)2Fe17N y; (Sm1-xErx)2Fe17N y; AC susceptibility; Curie temperature; X-ray powder diffraction; crystal structure; lattice parameters; magnetic anisotropy field; magnetic phase diagrams; magnetic properties; magnetisation; saturation magnetization; spin phase diagram; thermomagnetic analysis; Erbium; Iron; Magnetic anisotropy; Magnetic properties; Perpendicular magnetic anisotropy; Powders; Samarium; Saturation magnetization; Temperature distribution; X-ray diffraction;
Journal_Title :
Magnetics, IEEE Transactions on
