Volume 137, Number 5, March 2022
|Number of page(s)||7|
|Section||Condensed Matter: Structural, Mechanical and Thermal Properties|
|Published online||06 May 2022|
Improved kinetic Monte Carlo models for computational and analytical investigations of the magnetic properties of finite-size atomic chains
1 Faculty of Physics, Lomonosov Moscow State University - Moscow 119991, Russian Federation
2 Department of Chemistry, Lomonosov Moscow State University - Moscow 119991, Russian Federation
Received: 14 December 2021
Accepted: 7 March 2022
Two improved kinetic Monte Carlo (kMC) models for investigations of the magnetic properties of finite-size atomic chains are presented. These models take into account the possible noncollinearity of magnetic moments. The spontaneous remagnetization of ferromagnetic Co chains on the Pt(997) surface and antiferromagnetic Fe chains on the surface is investigated in the framework of our models. The results are compared with the results of the simple kMC model. It is also shown that a single domain-wall approximation can be successfully used to estimate the reversal time of the magnetization. Therefore, the improved kMC models can be used for analytical calculations as well as for computer simulations.
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