Geodesic
Self-consistent model for enhancement of the Raman scattering of polarized light in azo-polymer film with a plasmonic nanoantenna
Učënye zapiski Kazanskogo universiteta. Seriâ Fiziko-matematičeskie nauki, Uchenye Zapiski Kazanskogo Universiteta. Seriya Fiziko-Matematicheskie Nauki, Tome 160 (2018) no. 1, pp. 61-71

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This paper is devoted to modeling of the Raman scattering in the “antenna–sample” system. The system consists of an anisotropic azo-dye molecule attached covalently to a polymer chain and a plasmonic antenna located near the molecule. A model of near-field interaction in a system of dipoles has been proposed. The model takes into account changes in the polarizabilities of both the antenna and the molecule due to the mutual influence of their near field on each other. Based on the proposed model, the spectra of the tip-enhanced Raman scattering in longitudinally and transversely polarizied field for both isomers of azo-chromophore have been simulated. The static polarizability of the molecule and the Raman-tensors of the vibration modes have been determined by the quantum chemical calculations of a molecule with one monomer according to the density functional theory.
Mots-clés : azo-chromophore
Keywords: azo-polymer film, plasmonic antenna, tip-enhanced Raman scattering, near-field polarization, density functional theory, polarizability tensor, Raman tensor. 
@article{UZKU_2018_160_1_a5,
     author = {A. R. Gazizov and S. S. Kharintsev and M. Kh. Salakhov},
     title = {Self-consistent model for enhancement of the {Raman} scattering of polarized light in azo-polymer film with a~plasmonic nanoantenna},
     journal = {U\v{c}\"enye zapiski Kazanskogo universiteta. Seri\^a Fiziko-matemati\v{c}eskie nauki},
     pages = {61--71},
     publisher = {mathdoc},
     volume = {160},
     number = {1},
     year = {2018},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/UZKU_2018_160_1_a5/}
}
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A. R. Gazizov; S. S. Kharintsev; M. Kh. Salakhov. Self-consistent model for enhancement of the Raman scattering of polarized light in azo-polymer film with a plasmonic nanoantenna. Učënye zapiski Kazanskogo universiteta. Seriâ Fiziko-matematičeskie nauki, Uchenye Zapiski Kazanskogo Universiteta. Seriya Fiziko-Matematicheskie Nauki, Tome 160 (2018) no. 1, pp. 61-71. http://geodesic.mathdoc.fr/item/UZKU_2018_160_1_a5/