Ferromagnetic Resonance in Permalloy Metasurfaces

Permalloy films with one-dimensional profile modulation of submicron periodicity are fabricated based on commercially available DVD-R discs and studied using ferromagnetic resonance method and micromagnetic numerical simulations. The main resonance position shows in-plane angular dependence which is...

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Veröffentlicht in:	Applied magnetic resonance 2021-07, Vol.52 (7), p.749-758
Hauptverfasser:	Noginova, N., Gubanov, V., Shahabuddin, M., Gubanova, Yu, Nesbit, S., Demidov, V. V., Atsarkin, V. A., Beginin, E. N., Sadovnikov, A. V.
Format:	Artikel
Sprache:	eng
Schlagworte:	Angular position Anisotropy Approximation Atoms and Molecules in Strong Fields Composite materials Electric properties Ferromagnetic films Ferromagnetic materials Ferromagnetic resonance Ferrous alloys Geometry Glass substrates Laser Matter Interaction Magnetic alloys Magnetic anisotropy Magnetic fields Metamaterials Optical disks Organic Chemistry Original Paper Permeability Physical Chemistry Physics Physics and Astronomy Propagation Simulation Solid State Physics Spectroscopy/Spectrometry Vadim Atsarkin: on the Occasion of His 85th Birthday
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Zusammenfassung:	Permalloy films with one-dimensional profile modulation of submicron periodicity are fabricated based on commercially available DVD-R discs and studied using ferromagnetic resonance method and micromagnetic numerical simulations. The main resonance position shows in-plane angular dependence which is strongly reminiscent of that in ferromagnetic films with uniaxial magnetic anisotropy. The main signal and additional low-field lines are attributed to multiple standing spin-wave resonances defined by the grating period. The results may present interest in magnetic metamaterials and magnonics applications.
ISSN:	0937-9347 1613-7507
DOI:	10.1007/s00723-021-01347-w