Longitudinal Magneto-optical Kerr Effect in Insulator/Metal/Insulator Grating Structure

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 MgF 2 that formed as the first insulator...

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Bibliographic Details
Published inJournal of superconductivity and novel magnetism Vol. 35; no. 11; pp. 3397 - 3401
Main Authors Shnan, N. S., Sadeghi, S., Farzaneh, M., Hamidi, S. M., Belotelov, V. I., Chernov, A. I.
Format Journal Article
LanguageEnglish
Published New York Springer US 01.11.2022
Subjects
Characterization and Evaluation of Materials
Condensed Matter Physics
Magnetic Materials
Magnetism
Original Paper
Physics
Physics and Astronomy
Strongly Correlated Systems
Superconductivity
One-dimensional grating
Insulator–metal–insulator
Ce:YIG layer
Magneto-optical activity
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Summary: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 MgF 2 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.
ISSN:1557-1939
1557-1947
DOI:10.1007/s10948-022-06369-4