Journal of Surface Investigation, volume 18, issue 1, pages 150-155

Energy Barriers for the Spontaneous Magnetization Reversal of Atomic Co Chains on the Surface Pt(664) in the Model of Dzyaloshinskii–Moriya Interaction

Publication typeJournal Article
Publication date2024-02-01
Quartile SCImago
Q3
Quartile WOS
Impact factor0.3
ISSN10274510, 18197094
Abstract
Within the framework of the continuous XY model, analytical expressions are derived to calculate the time of the spontaneous magnetization reversal of finite-length atomic chains on the surface of a metal. The interaction of magnetic moments of atoms is described by the classical Hamiltonian, which includes the Heisenberg exchange interaction, the Dzyaloshinskii–Moriya interaction, and the magnetic-anisotropy energy. Using the example of the Co/Pt(664) system, it is demonstrated that the proposed method exhibits good agreement with the results of numerical simulations for both short and long atomic chains. For atomic chains of intermediate length, it can be utilized to obtain an upper bound on the time of spontaneous magnetization reversal. We obtained dependences of the time of spontaneous magnetization reversal for finite-length Co atomic chains, taking into account the exchange integral, parameters characterizing the magnetic anisotropy, and the projection of the Dzyaloshinskii vector onto the axis perpendicular to the plane containing the magnetic moments of atoms. The proposed method is applicable over a wide range of temperatures and values of physical parameters that characterize the magnetic properties of atomic chains. Thus, it can be employed not only for the Co/Pt(664) system but also for other similar systems.

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Kolesnikov S. V. et al. Energy Barriers for the Spontaneous Magnetization Reversal of Atomic Co Chains on the Surface Pt(664) in the Model of Dzyaloshinskii–Moriya Interaction // Journal of Surface Investigation. 2024. Vol. 18. No. 1. pp. 150-155.
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Kolesnikov S. V., Sapronova E. Energy Barriers for the Spontaneous Magnetization Reversal of Atomic Co Chains on the Surface Pt(664) in the Model of Dzyaloshinskii–Moriya Interaction // Journal of Surface Investigation. 2024. Vol. 18. No. 1. pp. 150-155.
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TY - JOUR
DO - 10.1134/S1027451024010282
UR - https://link.springer.com/10.1134/S1027451024010282
TI - Energy Barriers for the Spontaneous Magnetization Reversal of Atomic Co Chains on the Surface Pt(664) in the Model of Dzyaloshinskii–Moriya Interaction
T2 - Journal of Surface Investigation
AU - Kolesnikov, S. V.
AU - Sapronova, E.S.
PY - 2024
DA - 2024/02/01
PB - Pleiades Publishing
SP - 150-155
IS - 1
VL - 18
SN - 1027-4510
SN - 1819-7094
ER -
BibTex |
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BibTex Copy
@article{2024_Kolesnikov,
author = {S. V. Kolesnikov and E.S. Sapronova},
title = {Energy Barriers for the Spontaneous Magnetization Reversal of Atomic Co Chains on the Surface Pt(664) in the Model of Dzyaloshinskii–Moriya Interaction},
journal = {Journal of Surface Investigation},
year = {2024},
volume = {18},
publisher = {Pleiades Publishing},
month = {feb},
url = {https://link.springer.com/10.1134/S1027451024010282},
number = {1},
pages = {150--155},
doi = {10.1134/S1027451024010282}
}
MLA
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Kolesnikov, S. V., et al. “Energy Barriers for the Spontaneous Magnetization Reversal of Atomic Co Chains on the Surface Pt(664) in the Model of Dzyaloshinskii–Moriya Interaction.” Journal of Surface Investigation, vol. 18, no. 1, Feb. 2024, pp. 150-155. https://link.springer.com/10.1134/S1027451024010282.
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