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Phase stability, crystal structure, and magnetic properties of NdCo7-xHfx compounds
Luo, J; Liang, JK; Guo, YQ; Liu, QL; Liu, FS; Yang, LT; Zhang, Y; Rao, GH
Corresponding AuthorLuo, J(jluo@aphy.iphy.ac.cn)
2004-11-30
Source PublicationPHYSICA B-CONDENSED MATTER
ISSN0921-4526
Volume353Issue:1-2Pages:98-103
AbstractThe phase stability, crystal structure, and magnetic properties of NdCo7-xHfx (x = 0.1, 0.2, 0.3) compounds were studied by means of X-ray powder diffraction and magnetic measurements. A minor impurity phase coexists with the main 1:7 phase in the as-cast compound NdCo7-xHfx with x = 0.1 and 0.3. The compound with x = 0.2 crystallizes in the TbCu7-type structure with the space group P6/mmm. According to the structure refinement, the doping element Hf prefers to occupy the 2e site. The phase stability of NdCo6.8Hf0.2 compound under different heat treatment conditions is also discussed. Thermomagnetic analysis shows that the NdCo6.8Hf0.2 compound has a Curie temperature of 1065 K. The saturation magnetization of the NdCo6.8Hf0.2 compound is 113emu/g at 5K and 111 emu/g at 300K. The compound exhibits a conical magnetic anisotropy at room temperature with a magnetic anisotropy field about 30 kOe. In the NdCo6.8Hf0.2 compound, two spin reorientation transitions have been observed at 275 and 400 K, respectively. (C) 2004 Elsevier B.V. All rights reserved.
Keywordmagnetically ordered materials X-ray scattering spin reorientation
DOI10.1016/j.physb.2004.09.006
Indexed BySCI
Language英语
WOS Research AreaPhysics
WOS SubjectPhysics, Condensed Matter
WOS IDWOS:000225502300013
PublisherELSEVIER SCIENCE BV
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/80987
Corresponding AuthorLuo, J
Affiliation1.Chinese Acad Sci, Inst Phys, Beijing 100080, Peoples R China
2.Chinese Acad Sci, Ctr Condensed Matter Phys, Beijing 100080, Peoples R China
3.Acad Sinica, Int Ctr Mat Phys, Shenyang 110016, Peoples R China
4.Cent Iron & Steel Res Inst, Inst Funct Mat, Beijing 100081, Peoples R China
Recommended Citation
GB/T 7714
Luo, J,Liang, JK,Guo, YQ,et al. Phase stability, crystal structure, and magnetic properties of NdCo7-xHfx compounds[J]. PHYSICA B-CONDENSED MATTER,2004,353(1-2):98-103.
APA Luo, J.,Liang, JK.,Guo, YQ.,Liu, QL.,Liu, FS.,...&Rao, GH.(2004).Phase stability, crystal structure, and magnetic properties of NdCo7-xHfx compounds.PHYSICA B-CONDENSED MATTER,353(1-2),98-103.
MLA Luo, J,et al."Phase stability, crystal structure, and magnetic properties of NdCo7-xHfx compounds".PHYSICA B-CONDENSED MATTER 353.1-2(2004):98-103.
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