Crystal structure and magnetic properties of SmFe9-xCox alloys

The crystal structure and magnetic properties of SmFeg_xCox （x = 0, 1, 3, 5） alloys were studied by X-ray powder diffraction （XRD） and magnetic measurements. The Th2Znl7-type structure of the as-cast state is changed to TbCu7-type structure after quenching to a rotating molybdenum roll under certain...

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Published in:Rare metals 2014, Vol.33 (1), p.54-57
Main Authors: Luo, Yang, Yu, Dun-Bo, Li, Hong-Wei, Zhuang, Wei-Dong, Li, Kuo-She, Yan, Wen-Long
Format: Article
Language:English
Subjects:
Biomaterials
Chemistry and Materials Science
Energy
Materials Engineering
Materials Science
Metallic Materials
Nanoscale Science and Technology
Physical Chemistry
X-射线粉末衍射
XRD
合金
晶体结构
矫顽力
磁性能
磁特性
饱和磁化强度
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container_end_page 57
container_issue 1
container_start_page 54
container_title Rare metals
container_volume 33
creator Luo, Yang
Yu, Dun-Bo
Li, Hong-Wei
Zhuang, Wei-Dong
Li, Kuo-She
Yan, Wen-Long
description The crystal structure and magnetic properties of SmFeg_xCox （x = 0, 1, 3, 5） alloys were studied by X-ray powder diffraction （XRD） and magnetic measurements. The Th2Znl7-type structure of the as-cast state is changed to TbCu7-type structure after quenching to a rotating molybdenum roll under certain velocity （12, 20, and 32 m.s-l）. The （002） XRD peak appears and ~-Fe phase disappears when the Co is added up to x = 5. Saturation magnetization of SmFe9 under different temperature shows 9 % change （112-102 A.m2.g-1） when the temperature is higher than 200 K. The saturation magnetization is 115 A.m2.g-1 and coercivity is 0.304 T at 5 K for SmFe9 alloys. Increased saturation magnetization and decreased coercivity can be obtained for Co added up to x = 5 at 5 K.
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subjects Biomaterials
Chemistry and Materials Science
Energy
Materials Engineering
Materials Science
Metallic Materials
Nanoscale Science and Technology
Physical Chemistry
X-射线粉末衍射
XRD
合金
晶体结构
矫顽力
磁性能
磁特性
饱和磁化强度
title Crystal structure and magnetic properties of SmFe9-xCox alloys
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