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Dominant higher-order vortex gyromodes in circular magnetic nanodots

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Nanoscale Horiz., 2024, Advance Article
DOI: 10.1039/D4NH00145A, Communication
Artem V. Bondarenko, Sergey A. Bunyaev, Amit K. Shukla, Arlete Apolinario, Navab Singh, David Navas, Konstantin Y. Guslienko, Adekunle O. Adeyeye, Gleb N. Kakazei
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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