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  • Open Access

    ARTICLE

    Comparison of CdS nano films deposited by thermal evaporation and spray pyrolysis techniques

    A. N. Abouelkhira,*, E. R. Shaabanb,c, M. Tag El-Dinea, K. I. Hussaind, I. S. Yahiae

    Chalcogenide Letters, Vol.21, No.2, pp. 161-168, 2024, DOI:10.15251/CL.2024.212.161

    Abstract Cadmium sulfide was prepared by first turning it into a powder, which was then used to evaporate heat to create thin films. Additionally, the spray pyrolysis method was used to produce films of cadmium sulfide. A structural comparison using the crystallize size and lattice parameters. Furthermore for the prepared samples, an analysis of their optical characteristics was conducted through measurements of absorbance, transmission, and reflection, resulting in the determination of the energy gap. More >

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  • Open Access

    ARTICLE

    Pulse Laser Deposition of HfO2 Nanoporous-Like Structure, Physical Properties for Device Fabrication

    Shams B. Ali1, Sarmad Fawzi Hamza Alhasan1, Evan T. Salim2,*, Forat H. Alsultany3, Omar S. Dahham4,5

    Journal of Renewable Materials, Vol.10, No.11, pp. 2819-2834, 2022, DOI:10.32604/jrm.2022.021609 - 29 June 2022

    Abstract The pulsed laser deposition (PLD) technology was used to effectively create conductive nano and micro hafnium oxide with great purity and transparency for (HfO2) nanofilms. In many optoelectronics devices and their applications, the presence of a high dielectric substance like a nano HfO2, between the metal contacts and the substrates was critical. We used the Pulsed Laser Deposition method to fabricate an Al/HfO2/p-Si Schottky barrier diode where the nanostructured HfO2 films as an intermediate layer and varied substrate temperatures. The optical result reveals a high degree of transparency (93%). The optical bandgap of deposited HfO2 films was observed… More >

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