SPIN‑ORBIT COUPLING MEDIATED SIZE EFFECTS IN MAGNETORESISTANCE  OF  Ta NANOLAYERS

V. V. Ustinov; Устинов В. В.; L. I. Naumova; Наумова Л. И.; R. S. Zavornitsyn; Заворницын Р. С.; I. A. Yasyulevich; Ясюлевич И. А.; I. K. Maksimova; Максимова И. К.; T. P. Krinitsina; Криницина Т. П.; A. Yu. Pavlova; Павлова А. Ю.; V. V. Proglyado; Проглядо В. В.; M. A. Milyaev; Миляев М. А.

doi:10.31857/S0044451024010115

SPIN‑ORBIT COUPLING MEDIATED SIZE EFFECTS IN MAGNETORESISTANCE OF Ta NANOLAYERS

Authors: Ustinov V.V.¹^,2, Naumova L.I.¹^,2, Zavornitsyn R.S.¹^,2, Yasyulevich I.A.¹, Maksimova I.K.¹, Krinitsina T.P.¹, Pavlova A.Y.¹, Proglyado V.V.¹, Milyaev M.A.¹^,2
Affiliations:
1. Mikheev Institute of Metal Physics, Ural Branch, Russian Academy of Sciences
2. Yeltsin Ural Federal University, Institute of Natural Sciences and Mathematics
Issue: Vol 165, No 1 (2024)
Pages: 114-127
Section: Articles
URL: https://journals.rcsi.science/0044-4510/article/view/256902
DOI: https://doi.org/10.31857/S0044451024010115
ID: 256902

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Abstract

The theory of size effects in the magnetoresistance of thin films of normal metals due to spin‑orbit interaction, which takes into account the surface scattering of conduction electrons with spin reversal, has been constructed. Experimental studies of structural and galvanomagnetic properties of β‑tantalum thin films of different thicknesses prepared by magnetron sputtering have been carried out. Based on the analysis of experimental data within the framework of the constructed theory, estimates of the spin diffusion length, spin relaxation time, and spin Hall angle for β‑tantalum thin films were made.

Keywords

spin‑orbit interaction, spin current, spin Hall effect, inverse spin Hall effect, Hanle magnetoresistance, spin diffusion length

References

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