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68. Far-infrared spectroscopy of Zn1−Mn GeAs2 single crystals: Plasma damping influence on plasmon – Phonon interaction

Author

Romcevic, N., primary, Romcevic, M., additional, Dobrowolski, W.D., additional, Kilanski, L., additional, Petrovic, M., additional, Trajic, J., additional, Hadzic, B., additional, Lazarevic, Z., additional, Gilic, M., additional, Ristic-Djurovic, J.L., additional, Paunovic, N., additional, Reszka, A., additional, Kowalski, B.J., additional, Fedorchenko, I.V., additional, and Marenkin, S.F., additional

Published
2015
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71. Optical properties of CdS thin films

Author

Gilic, M, Trajic, J, Romcevic, N, Romcevic, M, Timotijević, Dejan, Stanisic, G, Yahia, I.S, Gilic, M, Trajic, J, Romcevic, N, Romcevic, M, Timotijević, Dejan, Stanisic, G, and Yahia, I.S

Abstract

The properties of CdS thin films were investigated by applying atomic force microscopy (AFM), Raman and far-infrared spectroscopy. CdS thin films were prepared by using the thermal evaporation technique under base pressure 2 × 10−5 torr. The quality of these films was investigated by AFM spectroscopy. We applied Raman scattering and far-infrared spectroscopy to investigate the optical properties of CdS thin films, and reveal the existence of Surface Optical Phonon (SOP) mode at 297 cm−1. Effective permittivity of mixture was modeled by Maxwell–Garnet approximation. In the analysis of the far-infrared reflection spectra, a numerical model for calculating the reflectivity coefficient for a system which includes films and substrate was applied.

Published
2013

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