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No.2(pp.35-66)

Home > Issues > Volume 3 (1998) > No.2(pp.35-66)

Annealing Effect of Permeability Spectra in Amorphous Fe₈₃Zr₇B₈Cu₂

Journal of Magnetics, Volume 3, Number 2, 30 Jun 1998, Pages 41-43

C.G Kim(Department of Physics, Sun Moon University), G.H. Ryu(Department of Physics, Chungbuk National University), S.C. Yu(Department of Physics, Chungbuk National University), Y.M. Moon(Department of Physics, Chungbuk National University), H.K. Lachowicz(Institute of Physics, Polish Academy of Sciencs)

Abstract

The frequency spectra of complex permeability have been measured as a function of ac field amplitude in the annealed amorphous Fe₈₃Zr₇B₈Cu₂ ribbons. The longitudinal permeability results from the rotational magnetization at small fields, h₀<5 mOe in as-quenched samples. However, at the further increase of h_o, the wall motion begins to be involved in the low frequency region. The permeability from the wall motion drastically decreases in the annealed sample, while that from the rotational magnetization increases up to annealing temperature of 500 ℃ and then drops there after.

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