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Article Dans Une Revue AIP Advances Année : 2023

High wave vector non-reciprocal spin wave beams

Résumé

We report unidirectional transmission of micron-wide spin waves beams in a 55 nm thin YIG. We downscaled a chiral coupling technique implementing Ni 80 Fe 20 nanowires arrays with different widths and lattice spacing to study the non-reciprocal transmission of exchange spin waves down to λ ≈ 80 nm. A full spin wave spectroscopy analysis of these high wavevector coupled-modes shows some difficulties to characterize their propagation properties, due to both the non-monotonous field dependence of the coupling efficiency, and also the inhomogeneous stray field from the nanowires.
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Dates et versions

hal-04014628 , version 1 (08-11-2022)
hal-04014628 , version 2 (13-03-2023)

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Loic Temdie, V. Castel, C. Dubs, G. Pradhan, J. Solano, et al.. High wave vector non-reciprocal spin wave beams. AIP Advances, 2023, 13 (2), pp.025207. ⟨10.1063/9.0000535⟩. ⟨hal-04014628v2⟩
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