Energy Efficient Single Pulse Switching of [Co/Gd/Pt] <sub>N</sub> Nanodisks Using Surface Lattice Resonances - Université de Lorraine Accéder directement au contenu
Article Dans Une Revue Advanced Science Année : 2022

Energy Efficient Single Pulse Switching of [Co/Gd/Pt] N Nanodisks Using Surface Lattice Resonances

Maxime Vergès
Sreekanth Perumbilavil
Julius Hohlfeld
François Montaigne
Grégory Malinowski
Daniel Lacour
Michel Hehn
Stéphane Mangin
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Résumé

The impact of plasmonic surface lattice resonances on the magneto-optical properties and energy absorption efficiency has been studied in arrays of [Co/Gd/Pt] N multilayer nanodisks. Varying the light wavelength, the disk diameter, and the period of the array, it is demonstrated that surface lattice resonances allow all-optical single pulse switching of [Co/Gd/Pt] N nanodisk arrays with an energy 400% smaller than the energy needed to switch a continuous [Co/Gd/Pt] N film. Moreover, the magneto-optical Faraday effect is enhanced at the resonance condition by up to 5,000%. The influence of the disk diameter and array period on the amplitude, width and position of the surface lattice resonances is in qualitative agreement with theoretical calculations and opens the way to designing magnetic metasurfaces for all-optical magnetization switching applications.
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Dates et versions

hal-04030694 , version 1 (15-03-2023)

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Maxime Vergès, Sreekanth Perumbilavil, Julius Hohlfeld, Francisco Freire‐fernández, Yann Le Guen, et al.. Energy Efficient Single Pulse Switching of [Co/Gd/Pt] N Nanodisks Using Surface Lattice Resonances. Advanced Science, 2022, 10, pp.2204683. ⟨10.1002/advs.202204683⟩. ⟨hal-04030694⟩
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