[1]杨素萍,董寅生,林萍华,等.TbFe10.5-xMnxMo1.5化合物的结构和磁性[J].东南大学学报(自然科学版),2003,33(6):750-753.[doi:10.3969/j.issn.1001-0505.2003.06.017]
　Yang Suping,Dong Yinsheng,Lin Pinghua,et al.Structure and magnetic properties of TbFe10.5-xMnxMo1.5 compounds[J].Journal of Southeast University (Natural Science Edition),2003,33(6):750-753.[doi:10.3969/j.issn.1001-0505.2003.06.017]
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TbFe10.5-xMnxMo1.5化合物的结构和磁性()
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《东南大学学报(自然科学版)》[ISSN:1001-0505/CN:32-1178/N]

卷:
33
期数:
2003年第6期
页码:
750-753
栏目:
材料科学与工程
出版日期:
2003-11-20

文章信息/Info

Title:
Structure and magnetic properties of TbFe10.5-xMnxMo1.5 compounds
作者:
杨素萍1;  董寅生1;  林萍华1; 2;  杨石强1;  盛晓波1
1 东南大学机械工程系, 南京 210096; 2 河海大学, 南京 210098
Author(s):
Yang Suping1;  Dong Yinsheng1;  Lin Pinghua1; 2;  Yang Shiqiang1;  Sheng Xiaobo1
1 Department of Mechanical Engineering, Southeast University, Nanjing 210096, China
2 Hohai University, Nanjing 210098, China
关键词:
金属间化合物;  晶体结构;  饱和磁化强度;  居里温度
Keywords:
intermetallic compounds;  crystal structure;  saturation magnetization;  Curie temperature
分类号:
482.54
DOI:
10.3969/j.issn.1001-0505.2003.06.017
摘要:
用X射线和磁性测量研究了Mn替代Fe对TbFe10.5Mo1.5型金属间化合物的结构和磁性的影响.X射线衍射表明:TbFe10.5-xMnxMo1.5(x=1.5,2.0,3.0,4.0,5.0)化合物均为ThMn12型四方结构,晶格常数和单胞体积均随Mn含量增加而增大.磁性测量表明:TbFe10.5-x
Abstract:
X-ray diffraction(XRD)and magnetization measurements were employed to investigate the effect of substitution of Mn for Fe on the structure and magnetic properties of TbFe10.5Mo1.5 compounds. XRD patterns show that the microstructures of TbFe10.5-xMnxMo1.5(x=1.5,2.0,3.0,4.0,5.0)compounds are of single phase with tetragonal ThMn12-type structures, of which the lattice constants and unit-cell volumes increase monotonically with the increase of Mn concentration. Magnetic measurements show that the Curie temperature Tc and magnetic moment of the transition-metal sublattice of TbFe10.5-xMnxMo1.5 compounds decrease monotonically with increasing Mn concentration. A point without zero moment similar to the compensation point is observed in the temperature dependence of magnetization for the TbFe10.5-xMnxMo1.5compounds with x=3.0; the saturation magnetic moments at 4.5 K decrease slowly with increasing Mn concentration till x=3.0, then increase fast.

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备注/Memo

备注/Memo:
基金项目: 江苏省自然科学基金资助项目(BK2002063).
作者简介: 杨素萍(1965—)女,硕士生; 董寅生(联系人),男,副教授,dongys@seu.edu.cn.
更新日期/Last Update: 2003-11-20