Diagnostic of Surface Plasmons Resonances in Nanosized Gold Films by Modulation Polarization Spectroscopy

Руденко, С. П.; Максименко, Л. С.; Matyash, I. E.; Mischuk, O. M.; Stetsenko, M. O.; Сердега, Б. К.

doi:10.1007/s11468-015-0080-6

Cited by 7 publications

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“…The aim of this work is to study the plasmonic effects in the nanostructured SnS 2 thin films deposited by CSS method utilizing the modulation-polarization spectroscopy (MPS) technique. This optical technique is effective for diagnostics and characterization of the SPR features in nanosized films of noble metals and metal-dielectric nanocomposites [9,[23][24][25][26]. The dependence of plasmonic effects on surface morphology and structural features is studied by measuring of parameter of the polarization difference ρ(θ, λ, d), where θ, λ, dthe incident angle of light, wavelength and sample thickness, respectively.…”

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confidence: 99%

Plasmonic Effects in Tin Disulfide Nanostructured Thin Films Obtained by the Close-Spaced Vacuum Sublimation

et al. 2016

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This work reports the investigation of plasmonic effects in tin disulfide (SnS 2 ) nanostructured films obtained by the close-spaced vacuum sublimation method (CSS). Structural properties and phase composition of SnS 2 films were studied with the help of field emission scanning electron microscopy (FE-SEM), atomic force microscopy (AFM), Xray diffraction (XRD) and Raman spectroscopy. Surface morphology and optical polarization properties of SnS 2 films deposited at different substrate temperature were investigated by modulation-polarization spectroscopy (MPS). Surface plasmon resonances (SPR) with localized and polariton types were observed by measuring of angular and spectral characteristics of polarization difference. Radiative and nonradiative modes of surface plasmons have been analyzed at different light incident angles. The influence of surface morphology on resonant parameters of different types of SPR was studied. Correlation between the experimental results and theoretical calculations was established. The refractive and absorption indexes were found for the SnS 2 films at different substrate temperature.

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