Surface-induced reduction of the switching field in nanomagnets
Mesoscale and Nanoscale Physics
2022-05-30 v3
Abstract
Magnetization reversal in a many-spin nanomagnet subjected to an rf magnetic field, on top of a DC magnetic field, is studied by numerically solving the system of coupled (damped) Landau-Lifshitz equations. It is demonstrated that spin-misalignment induced by surface anisotropy favors switching with a DC magnetic field weaker than the Stoner-Wohlfarth switching field, for optimal intensities and frequencies of the rf field.
Keywords
Cite
@article{arxiv.2107.11407,
title = {Surface-induced reduction of the switching field in nanomagnets},
author = {R. Bastardis and H. Kachkachi},
journal= {arXiv preprint arXiv:2107.11407},
year = {2022}
}
Comments
7 pages, 6 figures