Dominant higher-order vortex gyromodes in circular magnetic nanodots

descriptionPublicationkeyboard_double_arrow_right Article 01 Jan 2024 English Publisher:Royal Society of Chemistry (RSC)Journal:Nanoscale Horizons, volume 9, pages 1,498-1,505 (issn: 2055-6756, eissn: 2055-6764,

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Authors: Artem V. Bondarenko; Sergey A. Bunyaev; Amit K. Shukla; Arlete Apolinario; Navab Singh; David Navas; Konstantin Y. Guslienko; +2 Authors

doi: 10.1039/d4nh00145a

pmid: 39028302

handle: 10261/376238

Dominant higher-order vortex gyromodes in circular magnetic nanodots

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Abstract

Through simulations and experiments, we show that extending vortex state magnetic nanodots into the third dimension boosts the vortex gyrotropic frequency up to 5 GHz, compared to the sub-GHz excitations observed in planar structures.

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