Abstract
Magnetic properties of functional magnetic materials depend on the magnetization processes nature. Creation of amorphous and nanocrystalline alloys using the rapid quenching technology is the result of the latest advances in magnetic materials area. Although significantly different in structure, they show excellence properties. In this paper we will investigate the magnetization properties of the Finemet-type nanocrystalline alloys in the range of their initial permeability formation. We will show that due to low level of effective magnetic anisotropy, even in weak fields, magnetization can occur through reversible, hysteresis-free rotation of the domain’s magnetization vector.
Highlights
The magnetization process is studied together with the mechanisms change, i. e. as the magnetization field increases, first the domain walls are displaced, and later, their magnetization vector is rotated
Magnetic properties of functional magnetic materials depend on the magnetization processes nature
We have studied the magnetization process in a weak static magnetic field of samples of the Fe67.5Co5Cu1Nb2Mo1.5Si14B9 alloy with uniaxial magnetic-field-induced anisotropy and without it
Summary
The magnetization process is studied together with the mechanisms change, i. e. as the magnetization field increases, first the domain walls are displaced, and later, their magnetization vector is rotated. The resulting magnetization rotates in the direction of the field Such a scenario is caused considerably by a significant amount of magnetic anisotropy in traditional soft magnetic materials. In this case, the increase of magnetization due to the displacement of the domain walls requires less energy. Herzer [1, 2] suggested that the magnetizing in the Finemet alloy samples appears to be a mixture of the magnetization rotation processes and of the domain walls displacement. We have studied the magnetization process in a weak static magnetic field of samples of the Fe67.5Co5Cu1Nb2Mo1.5Si14B9 alloy with uniaxial magnetic-field-induced anisotropy and without it
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