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Zhurnal Tekhnicheskoi Fiziki, 2025 Volume 95, Issue 7, Pages 1412–1419 (Mi jtf7624)

Radiophysics

Model of intrinsic anomalous Hall effect in polycrystalline ferromagnets

V. K. Ignat'ev, S. V. Perchenko, D. A. Stankevich

Volgograd State University

Abstract: A method for estimating the coefficient of the dissipation-independent anomalous Hall effect for polycrystalline samples of pure ferromagnetic metals is proposed. The transverse resistivity characterizing the intrinsic anomalous Hall effect has been calculated for iron, cobalt and nickel. It is shown that the sign of the calculated anomalous Hall resistance always coincides with the experimental one. For nickel and cobalt, the results within the measurement error are in agreement with the experimental data. The experimental value for iron exceeds the calculated value by 2.7 times.

Keywords: anomalous Hall effect, spin-orbit interaction, strong coupling approximation, nearest neighbors approximation, ideal fermi gas approximation, Hartree–Fock method, effective charge.

Received: 22.07.2024
Revised: 14.04.2025
Accepted: 15.04.2025

DOI: 10.61011/JTF.2025.07.60664.237-24



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© Steklov Math. Inst. of RAS, 2025