Spin reorientation and magnetocrystalline anisotropy of (Nd_<1-x>RE_x)_2Fe_<14>B (RE=Y,Pr)

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概要

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• The substitutional effect of Y or Pr for Nd on spin reorientation and magnetocrystalline anisotropy of (Nd_<1-x>RE_x)_2Fe_<14>B (0<__-x<__-0.75) has been investigated from magnetization curves of magnetically aligned powders. The experiments have shown that Y- or Pr-substitution for Nd dereases both the spin reorientation temperature (T_<SR>) and spin reorientation angle. The decrement of T_<SR> by Y-substitution was within 15 K. The Pr-substitusion, however, considerably decreased T_<SR> with the ratio of ΔT_<SR>=-1.35 K/Pr at.%. The decrement of spin reorientation angle in the composition range of 0<__-x<__-0.5 is about ΔSRA=-0.073°/Y at.% and ΔSRA=-0.258°/Pr at.%, respectively. The experiments on magnetocrystalline anisotropy expect the disappearance of spin reorientation at about x&at;0.9 for RE=Y and at about x>0.8 for RE=Pr at 4.2 K.

• 社団法人日本磁気学会の論文
• 1999-01-20

著者

• Kim Y.

  Korea Ocean Research & Development Institute

• Kim S.

  Chungnam National University

• Kim T.

  Korea Reasearch Institute Of Standards And Science

• Kim Y.b.

  Korea Research Institute Of Standards And Science

• Kim Y.

  Korea Research Institute Of Standards And Science

• Kim M.

  Jilin University

• Song M.

  Chungnam National University

• Hur J.

  Chungnam National University

• Han-min Jin

  Chungnam National University

• Kim Y.

  Korea Maritime University

• Kim M.J.

  Jilin University

• Kim S.G.

  Chungnam National University

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