Directional Ordering in Amorphous Fe₄₃Ni₄₃Zr₇Cu₁B₆Ferromagnetic Alloys

Abstract

Development of the atomic directional ordering in the Fe43Ni43Zr7Cu1B6 alloy, during its conventional the same as after transverse magnetic field annealing, was experimentally studied by the amplitude dependence of susceptibility and hysteresis loops measurements, respectively. Diffusion processes of the mobile atoms caused perminvar effect, decrease of the initial susceptibility, increase of the critical field, and linear shape of the hysteresis loop. Uniaxial magnetic anisotropy, created during magnetic field annealing of the FeNiZrCuB alloy, was confirmed also by observation of the surface domain structure.