Open AccessLocal Magnetic Anisotropy of the Co-Based Amorphous Alloy
Author(s) -
Z. I. Sizova,
V. N. Gorbatch,
K. A. Mozul
Publication year - 2019
Publication title -
ukrainian journal of physics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.213
H-Index - 17
eISSN - 2071-0194
pISSN - 2071-0186
DOI - 10.15407/ujpe64.6.532
Subject(s) - magnetostriction , condensed matter physics , curie temperature , magnetic anisotropy , materials science , anisotropy , magnetization , amorphous solid , amorphous metal , ferromagnetism , alloy , magnetic shape memory alloy , magnetic field , physics , chemistry , metallurgy , optics , quantum mechanics , organic chemistry
The magnetization, initial magnetic susceptibility, and magnetostriction of a multicomponent Co-based amorphous alloy have been studied. The exchange constant a and the Curie temperature TC of the alloy are determined. On the basis of a method based on the theory of stochastic magnetic structure for amorphous ferromagnets and using the magnetization curves, the correlation field Hℓ, the field Ha, the effective constant of local magnetic anisotropy Keff, and the stochastic characteristics of local anisotropy – the mean square field fluctuations and the correlation radius – have been calculated. The temperature behavior of the examined magnetic characteristics is analyzed. The results of magnetostriction research allow a conclusion to be drawn that the local magnetic anisotropy of the alloy has a single-ion origin.