Effects of Co Element on the Structure, Magnetic, and Microwave Absorption Properties of La-Fe-B Alloys

被引：8
|
作者：
Yang, Pengcheng [1 ]
Tian, Chuang [1 ]
Yao, Qingrong [1 ,2 ]
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：
JOURNAL OF SUPERCONDUCTIVITY AND NOVEL MAGNETISM | 2020年 / 33卷 / 04期
关键词：
Phase structure; Magnetic properties; Rare earths; Microwave absorbing properties; PHASE;
D O I：
10.1007/s10948-019-05323-1
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
In order to understand the intrinsic properties of high abundance permanent magnet materials, effects of Co element on the structure, magnetic, and microwave absorption properties of La-12.5(Fe1-xCox)(81.3)B-6.2 alloys have been investigated with x = 0, 0.1, 0.2, 0.3. The X-ray diffraction results revealed that compounds of La-12.5(Fe1-xCox)(81.3)B-6.2 crystallized the Nd2Fe14B-type structure with the space group P42/mnm. The saturation magnetization of the powders increases with the Co content increasing, 97.7 emu/g for x = 0.3. The minimum absorption peak value of La-12.5(Fe1-xCox)(81.3)B-6.2 alloy reaches about - 18.69 dB at 10.56 GHz with the matching thickness of 2.5 mm.
引用
收藏
页码：1125 / 1128
页数：4
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