Phase stability, crystal structure, and magnetic properties of NdCo7-xHfx compounds

doi:10.1016/j.physb.2004.09.006

IMR OpenIR

	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
通讯作者	Luo, J(jluo@aphy.iphy.ac.cn)
	2004-11-30
发表期刊	PHYSICA B-CONDENSED MATTER
ISSN	0921-4526
卷号	353 期号:1-2 页码:98-103
摘要	The 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.
关键词	magnetically ordered materials X-ray scattering spin reorientation
DOI	10.1016/j.physb.2004.09.006
收录类别	SCI
语种	英语
WOS研究方向	Physics
WOS类目	Physics, Condensed Matter
WOS记录号	WOS:000225502300013
出版者	ELSEVIER SCIENCE BV
引用统计
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/80987
通讯作者	Luo, J
作者单位	1.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
推荐引用方式 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.