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Structural and Magnetic Properties of the New Type of Rare Earth-Iron-Nitrogen Intermetallic Compounds 被引量：3

Structural and Magnetic Properties of the New Type of Rare Earth-Iron-Nitrogen Intermetallic Compounds
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摘要 We succeed in inserting a number of nitrogen atoms into the R_2Fe_(17)and RTiFe_(11)intermetallic compounds.The nitrides retain original Th_2Zn_(17)(or Th_2Ni_(17_)and ThMn_(12)structures,but with an increase in the unit cell volume.The interstitial nitrogen atoms are found to have an effect of increasing the Curie tempera- ture and saturation magnetization.Moreover,a distinct effect on the magnetocrystalline anisotropy is also ob- served in these nitride compounds.Especially,NdTiFe_(11)N_(0.5)and SmTiFe_(11)N_2 have excellent intrinsic magnetic properties favourable for permanent magnet applications. We succeed in inserting a number of nitrogen atoms into the R_2Fe_(17)and RTiFe_(11)intermetallic compounds.The nitrides retain original Th_2Zn_(17)(or Th_2Ni_(17_)and ThMn_(12)structures,but with an increase in the unit cell volume.The interstitial nitrogen atoms are found to have an effect of increasing the Curie tempera- ture and saturation magnetization.Moreover,a distinct effect on the magnetocrystalline anisotropy is also ob- served in these nitride compounds.Especially,NdTiFe_(11)N_(0.5)and SmTiFe_(11)N_2 have excellent intrinsic magnetic properties favourable for permanent magnet applications.
作者 杨应昌 张哓东 葛森林 孔麟书 潘琪
机构地区 Department of Physics
出处 《Journal of Rare Earths》 SCIE EI CAS CSCD 1991年第2期81-84,共4页 稀土学报（英文版）
关键词 Nitrides Curie temperature Saturation Magnetization Magnetocrystalline anisotropy Nitrides Curie temperature Saturation Magnetization Magnetocrystalline anisotropy
分类号 TF845-55 [冶金工程—有色金属冶金]
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同被引文献49

  • 1张东涛,岳明,张久兴.放电等离子烧结技术制备Sm_2Fe_(17)N_x烧结磁体的研究[J].粉末冶金技术,2007,25(3):213-216. 被引量：2
  • 2Chen Z,et al. Proc 16th International Workshop on Rare-EarthMagnets and Their Applications[ C]. Sendai, J span: 2000. 449.
  • 3Yan A R, et al. Magnetic and microstructural properties of sintered NdFeB-based with W,Mo and Nb additions[J] .J Alloys & Comp,1997,257:273- 277.
  • 4Sagawa M, et al. New material for permanent magnets on a base of Nd and Fe[ J ]. J Appl Phys, 1984,55 (6): 2083 - 2087.
  • 5Wang K Y,et al. Effect of the third element on the formation of the ternary ThMn12 - type rare-earth iron-rich compounds[ J ].Physica Status Solidi(A) Applied research, 1995,148 ( 1 ): K29 -K31.
  • 6Ohashi K, et al. Identification of intermetallic compound consisting of Sm, Fe, Ti[J ]. J Less-Common Met, 1988,139 (2): 1 - 5.
  • 7Garcia- Landa B, et al. Magnetic properties of RFe12 - xMox ( R = Y,Er) [ J ]. J Magn Magn Mater. 1998,182:207- 215.
  • 8Hu B P, et al. Magnetic properties of NdFe12-xVx and NdFe12-x VxNy(x = 1 - 3) [J ]. J Magn Magn Mater, 1995,140 - 144:1023-1024.
  • 9Wang J L, et al. Formation, structure and magnetic properties of TbFe12- xNbx compounds [ J ]. J Alloys Comp, 1999, 289: 228 -232.
  • 10Tetean R, et al. Electronic structures and magnetic properties of YFe12- xVx compounds [ J ]. J Magn Magn Mater, 2002, 242 -245: 836- 838.

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Journal of Rare Earths
1991年 第2期

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