S. Chiroli
Magnetization dynamics of elastically strained nanostructures studied by coupled micromagnetic-mechanical simulations
Chiroli, S.; Faurie, D.; Haboussi, M.; Adeyeye, A. O.; Zighem, F.
Authors
D. Faurie
M. Haboussi
Professor Adekunle Adeyeye adekunle.o.adeyeye@durham.ac.uk
Head of College
F. Zighem
Abstract
Elastically strained ferromagnetic objects have been studied by coupled micromagnetic-mechanical numerical simulations. Both temporal evolution of the magnetization and modal frequency analysis of ferromagnetic thin films and arrays of nanostructures are presented. For this purpose, we have numerically coupled the micromagnetic equations (including magnetoelastic effects) to the ones of solid mechanics by including periodic boundary conditions. Our approach has been evaluated first on an elastically strained thin film and validated by performing in situ ferromagnetic resonance experiments. We have undertaken simulations on nanostructured arrays (modulated arrays of nanowires) and show that the heterogeneity of the strain fields and magnetic mode profiles of those strained nanostructures induce significative disparities in the magnetic mode energies, allowing applications to be foreseen where one could control in a differentiated way the spin-wave energies as a function of the applied elastic strains.
Citation
Chiroli, S., Faurie, D., Haboussi, M., Adeyeye, A. O., & Zighem, F. (2023). Magnetization dynamics of elastically strained nanostructures studied by coupled micromagnetic-mechanical simulations. Physical Review B, 108, Article 024406. https://doi.org/10.1103/PhysRevB.108.024406
Journal Article Type | Article |
---|---|
Acceptance Date | Jun 16, 2023 |
Online Publication Date | Jul 10, 2023 |
Publication Date | Jul 10, 2023 |
Deposit Date | Feb 5, 2024 |
Publicly Available Date | Feb 5, 2024 |
Journal | Physical Review B |
Print ISSN | 2469-9950 |
Electronic ISSN | 2469-9969 |
Publisher | American Physical Society |
Peer Reviewed | Peer Reviewed |
Volume | 108 |
Article Number | 024406 |
DOI | https://doi.org/10.1103/PhysRevB.108.024406 |
Public URL | https://durham-repository.worktribe.com/output/2225284 |
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