Optical Properties of CdS Thin Films

We have studied the physical properties of CdS thin films obtained by high-frequency magnetron sputtering. We have determined the optical constants and the bandgap width for the studied fi lms (Е g = 2.39 eV). The spectral dependences of the refractive index, the absorption coefficient, and the exti...

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Veröffentlicht in:	Journal of applied spectroscopy 2020-03, Vol.87 (1), p.35-40
Hauptverfasser:	Petrus, R. Yu, Ilchuk, H. A., Kashuba, A. I., Semkiv, I. V., Zmiiovska, E. O., Honchar, F. M.
Format:	Artikel
Sprache:	eng
Schlagworte:	Absorptivity Analysis Analytical Chemistry Atomic/Molecular Structure and Spectra Cadmium Cadmium sulfide Dielectric films Magnetic properties Magnetron sputtering Optical properties Physical properties Physics Physics and Astronomy Refractivity Room temperature Science & Technology Spectroscopy Sulfides Technology Thin films
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Beschreibung
Zusammenfassung:	We have studied the physical properties of CdS thin films obtained by high-frequency magnetron sputtering. We have determined the optical constants and the bandgap width for the studied fi lms (Е g = 2.39 eV). The spectral dependences of the refractive index, the absorption coefficient, and the extinction coefficient were obtained from the transmission spectra at room temperature. The optical parameters of the films were determined using a singleoscillator model, and also the Cauchy and Sellmeier equations.
ISSN:	0021-9037 1573-8647
DOI:	10.1007/s10812-020-00959-7