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Inertial Magnetization Dynamics in Ferromagnetic Nanoparticles Near Saturation
- Authors: Titov S.V.1, Kalmykov Y.P.2, Kazarinov K.D.1, Cherkasskii M.A.3, Titov A.S.1
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Affiliations:
- Institute of Radioengineering and Electronics, Fryazino Branch, Russian Academy of Sciences
- University of Perpignan Via Domitia
- University of Duisburg-Essen
- Issue: Vol 68, No 5 (2023)
- Pages: 454-460
- Section: РАДИОФИЗИЧЕСКИЕ ЯВЛЕНИЯ В ТВЕРДОМ ТЕЛЕ И ПЛАЗМЕ
- URL: https://kazanmedjournal.ru/0033-8494/article/view/650523
- DOI: https://doi.org/10.31857/S0033849423050169
- EDN: https://elibrary.ru/UIMEIJ
- ID: 650523
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Abstract
Analytical solutions of the inertial Landau‒Lifshitz‒Gilbert equation for the longitudinal and transverse components of the magnetization of a single-domain ferromagnetic nanoparticle under near-saturation conditions are obtained. The solution method is based on simplifying the equation using the first integrals, which are determined using the analogy between the inertial motion of magnetization and the mechanical rotation of a solid. It is shown that accounting for the magnetization inertia causes the nutation at a frequency represented by means of a complete elliptic integral of the first kind. The dependence of the nutation amplitude on the external field value is discussed.
About the authors
S. V. Titov
Institute of Radioengineering and Electronics, Fryazino Branch, Russian Academy of Sciences
Email: macherkasskii@hotmail.com
Fryazino, Moscow oblast, 141190 Russia
Yu. P. Kalmykov
University of Perpignan Via Domitia
Email: macherkasskii@hotmail.com
F-66860 Perpignan, France
K. D. Kazarinov
Institute of Radioengineering and Electronics, Fryazino Branch, Russian Academy of Sciences
Email: macherkasskii@hotmail.com
Fryazino, Moscow oblast, 141190 Russia
M. A. Cherkasskii
University of Duisburg-Essen
Email: macherkasskii@hotmail.com
Duisburg, 47057 Germany
A. S. Titov
Institute of Radioengineering and Electronics, Fryazino Branch, Russian Academy of Sciences
Author for correspondence.
Email: macherkasskii@hotmail.com
Fryazino, Moscow oblast, 141190 Russia
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