Effect of Mn-Doping on the Structure, Magnetic Properties of Fe17Gd2 Compound

被引：1

作者：

Guo, Yongbin ^{[1
]}

He, Mufen ^{[1
,2
]}

Ma, Lei ^{[1
,2
]}

Wang, Dao ^{[1
]}

Zhou, Xin ^{[1
]}

机构：

[1] Guilin Univ Elect Technol, Sch Mat Sci & Engn, Guilin 541004, Peoples R China

[2] Guilin Univ Elect Technol, Guangxi Key Lab Informat Mat, Guilin 541004, Peoples R China

来源：

ADVANCED FUNCTIONAL MATERIALS (CMC 2017) | 2018年

基金：

中国国家自然科学基金;

关键词：

Magnetic properties; Fe17Gd2; compound; Rhombohedral structure; NEUTRON-DIFFRACTION; R2FE17; GD; SM; TB; DY;

D O I：

10.1007/978-981-13-0110-0_21

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The (Fe1-xMnx)(17)Gd-2 (x = 0.0-0.4) compounds were prepared by arc melting method, then annealed at 700 degrees C for two weeks. The effect of Mn-doping on the structure and magentic properties were studied by X-ray diffraction (XRD) and vibrating sample magnetometer (VSM). The crystal structure of (Fe1-xMnx)(17)Gd-2 maintains the Th2Znl7-type rhombohedral structure, and the unit cell volume and lattice parameter a, b and c of (Fe1-xMnx)(17)Gd-2 increase with the addition of Mn content. With the increase of Mn-doping, the magnetic-type of (Fe1-xMnx)(17)Gd-2 compounds obviously transform from ferromagnetism to antiferromagnetism, and the saturation magnetization (M-s) can be tuned continuously from 80 Am-2/kg at x = 0.0 to similar to 0 Am-2/kg at x = 0.4. At the same time, the Curie temperature (T-C) of compounds reduced to room temperature. It indicates that Mn doping can effectively tune the structure, magnetic-type and T-C of Fe17Gd2 compound.

引用

页码：181 / 187

页数：7

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