Confined magnetoelastic waves in thin waveguides
Frederic Vanderveken, Jeroen Mulkers, Jonathan Leliaert, Bartel Van, Waeyenberge, Bart Sor\'ee, Odysseas Zografos, Florin Ciubotaru, Christoph, Adelmann
TL;DR
This paper investigates the behavior of confined magnetoelastic waves in nanoscale ferromagnetic waveguides, revealing their coupled nature and dispersion characteristics through analytical and numerical methods.
Contribution
It introduces a combined analytical and numerical approach to study magnetoelastic wave coupling and dispersion in nanoscale ferromagnetic waveguides.
Findings
Coupling between spin waves and Lamb waves due to magnetostriction effects.
Dispersion relations and mode profiles of magnetoelastic waves characterized.
Numerical simulations validate analytical predictions.
Abstract
The characteristics of confined magnetoelastic waves in nanoscale ferromagnetic magnetostrictive waveguides have been investigated by a combination of analytical and numerical calculations. The presence of both magnetostriction and inverse magnetostriction leads to the coupling between confined spin waves and elastic Lamb waves. Numerical simulations of the coupled system have been used to extract the dispersion relations of the magnetoelastic waves as well as their mode profiles.
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