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Magnetic Properties and Phase Transformation of Tb1-xPrxFe1.96 (x=0 to 0.7) Compounds
引用本文:张绍强,张茂才,高学绪,乔祎,周寿增.Magnetic Properties and Phase Transformation of Tb1-xPrxFe1.96 (x=0 to 0.7) Compounds[J].中国稀土学报(英文版),2006,24(2):202-205.
作者姓名:张绍强  张茂才  高学绪  乔祎  周寿增
作者单位:State Key Laboratory for Advanced Metals and Materials University of Science and Technology Beijing Beijing 100083 China,State Key Laboratory for Advanced Metals and Materials University of Science and Technology Beijing Beijing 100083 China,State Key Laboratory for Advanced Metals and Materials University of Science and Technology Beijing Beijing 100083 China,State Key Laboratory for Advanced Metals and Materials University of Science and Technology Beijing Beijing 100083 China,State Key Laboratory for Advanced Metals and Materials University of Science and Technology Beijing Beijing 100083 China
基金项目:国家高技术研究发展计划(863计划)
摘    要:In recent years,the fields of application of the(Tb,Dy)Fe2giant magnetostrictive materials,as ad-vancedfunctional materials,have become wider.Suchmaterials can be composed by pseudo-binaryRExRE′1-xFe2compounds that have the same sign ofmagnetostriction but the opposite sign of anisotropy,inorder to mini mize the magnetic anisotropy while stillmaintaining a large positive magnetostriction1].Ac-cordingto Steven′s calculation,inthe magnetocrystal-line anisotropy and mangetostriction of rare…

关 键 词:磁性  相变  稀土  TbPrFe  磁致伸缩材料
文章编号:1002-0721(2006)02-0202-04
收稿时间:2005-05-11
修稿时间:2005-07-27

Magnetic Properties and Phase Transformation of Tb1-x PrxFe1.96 (x = 0 to 0.7) Compounds
Shaoqiang , Maocai Zhang, Xuexu Gao, Yi Qiao,Shouzeng Zhou.Magnetic Properties and Phase Transformation of Tb1-x PrxFe1.96 (x = 0 to 0.7) Compounds[J].Journal of Rare Earths,2006,24(2):202-205.
Authors:Shaoqiang  Maocai Zhang  Xuexu Gao  Yi Qiao  Shouzeng Zhou
Affiliation:State Key Laboratory for Advanced Metals and Materials, University of Science and Technology Beijing, Beijing 100083, China
Abstract:The magnetic properties and the phase Transformation of Tb1-xPrxFe1.96 (x=0 to 0.7) compounds were studied by means of vibrating sample magnetometer(VSM), X-ray diffraction(XRD) and SEM back-scattered electron (BSE).The result indicates that the saturation magnetization σs of compounds along an easy axis decreases with the addition of Pr contents, which reduces from 77.24 Am2·kg-1 (x=0) to 11.84 Am2·kg-1 (x=0.5) and then returns to 37.14 Am2·kg-1 (x=0.7).The non-cubic phases appear when x exceeds 0.2, and the matrix of Tb1-xPrxFe1.96 compounds changes from (Tb, Pr)Fe2 phase with x=0 to (Tb, Pr)Fe3 phase with x=0.4, and at last to (Tb, Pr)2Fe17 phase in Tb0.3Pr0.7Fe1.96.Moreover, the structure of the compounds may become more complex with the increase of Pr content.
Keywords:giant magnetostrictive materials  TbPrFe compounds  magnetization  phase transformation  rare earths
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