Crystallographic and Magnetic Properties of R2 Fe17 Cx with R=Y, Pr, Nd, Sm, Gd, Dy, and Er
LIN Qin, SUN Yunxi, LAN Jian, LU Shizhong, JIANG Hongwei
Department of Physics, Peking University, Beijing 100871
Crystallographic and Magnetic Properties of R2 Fe17 Cx with R=Y, Pr, Nd, Sm, Gd, Dy, and Er
LIN Qin;SUN Yunxi;LAN Jian;LU Shizhong;JIANG Hongwei
Department of Physics, Peking University, Beijing 100871
关键词 ：
75.50.Bb
Abstract ： A series of R2 Fe17 Cx compounds (R=Y, Pr, Nd, Sm, Gd, Dy, and Er; x=0, 0.5 and 1.0) were synthesized. X-ray diffraction analyses showed that the crystal structure is rhombohedral Th2 Zn17 type for R=Pr, Nd, Sm, and Gd. For R=Y, Dy and Er, a structure transformation from hexagonal Th2 Ni17 type (x=0.5) to rhombohedral Th2 Zn17 type (x=1.0) was observed. The introduction of C into R2 Fe17 leads to an expansion of the lattice. It strongly enhances Curie temperature. C atoms occupy interstitially the nearest neighbour sites to the R atoms in the lattice. The anisotropy of R sublattice was strengthened. A uniaxial anisotropy was observed in Sm2 Fe17 C0.5 at room temperature.
Key words ：
75.50.Bb
出版日期: 1991-05-01
引用本文:
LIN Qin;SUN Yunxi;LAN Jian;LU Shizhong;JIANG Hongwei. Crystallographic and Magnetic Properties of R2 Fe17 Cx with R=Y, Pr, Nd, Sm, Gd, Dy, and Er[J]. 中国物理快报, 1991, 8(5): 267-270.
2 Fe17 Cx with R=Y, Pr, Nd, Sm, Gd, Dy, and Er. Chin. Phys. Lett., 1991, 8(5): 267-270.
链接本文:
https://cpl.iphy.ac.cn/CN/
或
https://cpl.iphy.ac.cn/CN/Y1991/V8/I5/267
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