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Tailoring of structural and optical properties of thermal evaporated As–Se–Tl hybrid semiconductor thin films by thickness variation
Journal article   Peer reviewed

Tailoring of structural and optical properties of thermal evaporated As–Se–Tl hybrid semiconductor thin films by thickness variation

H. A. Alburaih and A. El-Denglawey
Applied physics. A, Materials science & processing, Vol.128(7)
01/07/2022
DOI: https://doi.org/10.1007/s00339-022-05728-1

Abstract

Article Characterization and Evaluation of Materials Condensed Matter Physics Machines Manufacturing Nanotechnology Optical and Electronic Materials Physics Physics and Astronomy Processes Surfaces and Interfaces Thin Films Tools
As–Se–Tl films were prepared by thermal evaporation technique. XRD analysis shows the amorphous state of the prepared films. The increment of thickness enhances the crystallites size, refractive index, dielectric constant, ratio of carrier concentration to the effective mass and dispersion energy. Optical gap and oscillation energy were decreased with the increase of thickness due to nano-size effect. Optical conductivity was also studied and decreased as a function of thickness.

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