Surface optical phonon – Plasmon interaction in nanodimensional CdTe thin films
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Paunović, Novica M.
Vasić, Borislav Z.
Romčević, Maja J.
Dobrowolski, Witold D.
Yahia, Ibrahim S.
Romčević, Nebojša Ž.
Članak u časopisu (Objavljena verzija)
© 2018 Elsevier B.V.
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Structural and optical properties of CdTe thin films were investigated applying atomic force microscopy (AFM), XRD powder technique, Raman spectroscopy and far–infrared spectroscopy. CdTe thin films were prepared by using thermal evaporation technique. In the analysis of the far – infrared reflection spectra, numerical model for calculating the reflectivity coefficient for system which includes films and substrate has been applied. Effective permittivity of film mixture (CdTe and air) was modeled by Maxwell – Garnet approximation. We reveal the existence of surface optical phonon (SOP) mode and coupled plasmon-SOP modes (CPSOPM). © 2018 Elsevier B.V.
Ključne reči:far–infrared spectroscopy / plasmon-phonon interaction / Raman spectroscopy / surface optical phonon / thin film
Izvor:Physica E: Low-dimensional Systems and Nanostructures, 2018, 104, 64-70
- Optoelektronski nanodimenzioni sistemi - put ka primeni (RS-45003)
- National Science Center, Poland (DEC-2011/01/B/ST5/06602)