Microstructure, Surface Plasmon, Magneto-Optic Surface Plasmon, and Sensitivity Properties of Magneto-Plasmonic Co/Au Multilayers.

Artificially produced ferromagnetic (FM) nano-scale multilayers (MLs) are of significant scientific interest due to their remarkable magnetic properties, X-ray reflection (XRR), and X-ray diffraction (XRD) patterns and due to their application in advance technologies such as magnetic
recording, and sensing. Such films offer a unique combination of properties such as transparency in X-ray domain, magneto-optical (MO) effects [3], tuning of surface plasmon good electrical conductivity for certain compositions and thicknesses, and broadband reflectivity for
relatively thinner film layers.

Nano-scale FM-MLs are often deposited on glass substrates in order to create high-quality broadband mirrored surfaces. These find application in reflecting telescopes as alternatives to lens arrays to reduce image aberration. These MLs also find applications in X-ray optics, medical diagnostics,
gamma-ray optics, and hard X-ray astronomy, where the properties of these structures are strongly affected by interdiffusion of atoms from one layer to another, their interfacial structure, and composition.

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