Characterization of SnO2 Sensors Nanomaterials by Polarization Modulation Method
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2016-01
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Анотація
The polarization characteristics for tin dioxide cluster films are studied by the method of modulation polarization spectroscopy. The galvanic conductivity presence in the films is the basis for registration in it the surface plasmon resonances. The spectral characteristics analysis by means of expansion in terms of Gauss components for the Stocks vector Q component of the probe radiation gave the parameters of the revealed resonances. The resonance excitation of polaritons and localized surface plasmons is established. The dispersion characteristics of non-radiative modes of surface plasmons are obtained which matches the cluster film structure. The numerical values comparison for resonances relaxation constants leads to the conclusion of application of one of them in sensors.
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Ключові слова
polarization characteristics, polarization spectroscopy, galvanic conductivity, terms of Gauss, resonance excitation of polaritons, surface plasmons
Бібліографічний опис
Nanomaterials for Security