Physics of Metals and Metallography, volume 125, issue 7, pages 683-692
Remagnetization of Finite-Length Ferromagnetic Cobalt Atomic Chains
Publication type: Journal Article
Publication date: 2024-07-01
Journal:
Physics of Metals and Metallography
Quartile SCImago
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Quartile WOS
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Impact factor: 1.2
ISSN: 0031918X, 15556190
Abstract
The remagnetization mechanisms of finite-length ferromagnetic cobalt atomic chains at the Pt(664) surface have been investigated. It has been found that the remagnetization of short chains occurs due to the simultaneous flipping of all magnetic moments. At longer chain lengths, remagnetization occurs through the formation of a Néel-type anti-clockwise domain wall. The remagnetization of long chains can be achieved through both the formation of anti-clockwise and clockwise domain walls. The energy barriers for remagnetization of atomic chains with lengths ranging from 5 to 100 atoms have been calculated using the geodesic nudged elastic band method. In the framework of the harmonic approximation of the transition state theory, frequency prefactors have been calculated. A non-monotonic and sufficiently strong dependence of the frequency prefactors on both the chain length and an external magnetic field has been identified. The magnetization curves of Co atomic chains have been constructed, and the residual magnetization values and coercive force of the chains have been determined. The dependences of the coercive force on the chain length, temperature, and remagnetization rate of the magnetic field have been analyzed.
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Kolesnikov S. V. et al. Remagnetization of Finite-Length Ferromagnetic Cobalt Atomic Chains // Physics of Metals and Metallography. 2024. Vol. 125. No. 7. pp. 683-692.
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Kolesnikov S. V., Sapronova E., Saletsky A. M. Remagnetization of Finite-Length Ferromagnetic Cobalt Atomic Chains // Physics of Metals and Metallography. 2024. Vol. 125. No. 7. pp. 683-692.
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TY - JOUR
DO - 10.1134/s0031918x2460057x
UR - https://link.springer.com/10.1134/S0031918X2460057X
TI - Remagnetization of Finite-Length Ferromagnetic Cobalt Atomic Chains
T2 - Physics of Metals and Metallography
AU - Kolesnikov, S. V.
AU - Sapronova, E.S.
AU - Saletsky, A. M.
PY - 2024
DA - 2024/07/01
PB - Pleiades Publishing
SP - 683-692
IS - 7
VL - 125
SN - 0031-918X
SN - 1555-6190
ER -
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@article{2024_Kolesnikov,
author = {S. V. Kolesnikov and E.S. Sapronova and A. M. Saletsky},
title = {Remagnetization of Finite-Length Ferromagnetic Cobalt Atomic Chains},
journal = {Physics of Metals and Metallography},
year = {2024},
volume = {125},
publisher = {Pleiades Publishing},
month = {jul},
url = {https://link.springer.com/10.1134/S0031918X2460057X},
number = {7},
pages = {683--692},
doi = {10.1134/s0031918x2460057x}
}
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Kolesnikov, S. V., et al. “Remagnetization of Finite-Length Ferromagnetic Cobalt Atomic Chains.” Physics of Metals and Metallography, vol. 125, no. 7, Jul. 2024, pp. 683-692. https://link.springer.com/10.1134/S0031918X2460057X.