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- Title
Longitudinal Magneto-optical Kerr Effect in Insulator/Metal/Insulator Grating Structure.
- Authors
Shnan, N. S.; Sadeghi, S.; Farzaneh, M.; Hamidi, S. M.; Belotelov, V. I.; Chernov, A. I.
- Abstract
Herein, we have investigated theoretically and experimentally the longitudinal magneto-optical Kerr effect in a one-dimensional magneto-plasmonic grating structure combining insulator/metal/insulator materials. One-dimensional grating substrate was covered by MgF2 that formed as the first insulator layer, followed by gold serving as a plasmonic middle metal layer, and finally cerium-substituted iron garnet magneto-optical thin film covers all of them to reach insulator/metal/insulator structure. The magneto-optical film is formed by the pulsed laser deposition method at high vacuum. The effect of surface lattice resonance of plasmonic layer onto the overall magneto-optical activity of the structure shows two well-pronounced peaks in magneto-optical spectra due to electric and magnetic dipoles in this new magneto-plasmonic device.
- Subjects
KERR magneto-optical effect; MAGNETOOPTICS; CERIUM oxides; PULSED laser deposition; MAGNETIC dipoles; METALS; IRON
- Publication
Journal of Superconductivity & Novel Magnetism, 2022, Vol 35, Issue 11, p3397
- ISSN
1557-1939
- Publication type
Article
- DOI
10.1007/s10948-022-06369-4