Journal of Magnetics

The Korean Magnetics Society (한국자기학회)
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Magnetoimpedance Effect in Nanocrystalline Fe91.5-xZr7BxCu1Al0.5 (x=2, 4, 6, 8) Alloys

  • Lee, Heebok (Department of Physics Education, Kongju National University) ;
  • Kim, Yong-Kook (Division of Material Science, Chungnam National University) ;
  • Kim, Taik-Kee (Division of Material Science, Chungnam National University) ;
  • Kim, Chong-Oh (Division of Material Science, Chungnam National University) ;
  • Yu, Seong-Cho (Department of Physics, Chungbuk National University)
  • Published : 2002.03.01
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Abstract

The magnetoimpedance of $Fe_{91.5-x}Zr_7B_xCu_1Al_{0.5}$alloys has been measured to investigate the influence of structural changes in the nanocrystallization process after thermal treatment. Annealing was performed at temperatures of $350^\circ{C}$, $450^\circ{C}$, and $550^\circ{C}$ for 1 hour in a vacuum. Ultra soft magnetic behavior was observed in the samples annealed at $550^\circ{C}$. The magnetoimpedance ratio and the longitudinal permeability ratio coincided with the softness of the magnetic properties of the thermally treated samples.

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References

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