2024
DOI: 10.1002/smll.202404542
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Investigation of Mode‐Induced Spin Wave Transmission Blockage by In Situ Nanoscale Grooves

Cyril Delforge,
Nicolas Lejeune,
Suraj Singh
et al.

Abstract: In the pursuit of advancing spin‐wave optics, the propagation of magnetostatic surface spin‐waves is investigated in a uniform permalloy waveguide with in‐situ nanopatterned grooves created through Atomic Force Microscopy nanolithography and Focused Ion Beam etching. The study unveils that the introduction of narrow constrictions and grooves leads to a non‐monotonic reduction of the transmitted spin‐wave signal intensity as the spin‐wave pathway is shrinked. The remarkable feature that a stronger signal extinc… Show more

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