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Journal of Computational and Theoretical NanoscienceVolume 6, Issue 7, July 2009, Pages 1474-1477

Selective absorption in twolayered optic films(Article)

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  • aFaculty of Technology Zvornik, University of East Sarajevo, 75400 Zvornik, Bosnia and Herzegovina
  • bDepartment of Physics, Faculty of Sciences, University of Novi Sad, 21000 Novi Sad, Vojvodina, Serbia
  • cFaculty of Technical Sciences, University of Novi Sad, 21000 Novi Sad, Vojvodina, Serbia
  • dPrimary School Svetozar Marković-Toza, 21000 Novi Sad, Vojvodina, Serbia
  • eFaculty of Medicine, University of Banja Luka, 78000 Banja Luka, Bosnia and Herzegovina
  • fAcademy of Sciences, Arts of the Republika Srpska, 78000 Banja Luka, Bosnia and Herzegovina

Abstract

This paper summarizes theoretical investigations of changes in optical properties of smallest symmetrical nanofilm-molecular crystals due to the presence of boundaries and different boundary parameters. Using analytic and numerical calculations, the energy spectrum of excitons was found and relative permittivity of these ultrathin dielectric films was determined. The influence of boundary parameters on the occurrence of discrete (by parameters) and selective (by planes) absorption of external electromagnetic radiation was also investigated. Because of the symmetric conditions on film boundaries, double resonant peaks appear. Copyright © 2009 American Scientific Publishers All rights reserved.

Author keywords

ExcitonsGreen's functionsNanostructuresPermittivityResonant absorption

Indexed keywords

Engineering uncontrolled termsBoundary parametersElectromagnetic radiationEnergy spectraNano filmsNumerical calculationRelative permittivityResonant absorptionResonant peaksSelective absorptionTheoretical investigationsUltra-thin dielectric films
Engineering controlled terms:AbsorptionDielectric filmsDifferential equationsElectromagnetic wavesElectron opticsExcitonsMolecular crystalsNanostructuresOptical propertiesPermittivitySpectroscopyUltrathin films
Engineering main heading:Green's function
  • ISSN: 15461955
  • Source Type: Journal
  • Original language: English
  • DOI: 10.1166/jctn.2009.1195
  • Document Type: Article

  Markoski, B. S.; Faculty of Technical Sciences, University of Novi Sad, Serbia
© Copyright 2009 Elsevier B.V., All rights reserved.

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