A
A.-S. Gadallah
Researcher at Cairo University
Publications - 31
Citations - 518
A.-S. Gadallah is an academic researcher from Cairo University. The author has contributed to research in topics: Thin film & Spin coating. The author has an hindex of 12, co-authored 31 publications receiving 400 citations. Previous affiliations of A.-S. Gadallah include University of Technology of Troyes & Taibah University.
Papers
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Journal ArticleDOI
Structural, Optical Constants and Photoluminescence of ZnO Thin Films Grown by Sol-Gel Spin Coating
A.-S. Gadallah,M.M. El-Nahass +1 more
TL;DR: In this article, the authors report manufacturing and characterization of low-cost ZnO thin films grown on glass substrates by sol-gel spin coating method, and the transmittance of the prepared thin films is 92.4% and 88.4%.
Journal ArticleDOI
Stimulated emission from ZnO thin films with high optical gain and low loss
TL;DR: In this paper, a modified variable stripe length method was used to measure the gain, which was 1369 cm−1 for the N-band emission, and loss was measured using the shifting excitation spot method and values of 6.2
Journal ArticleDOI
Stimulated emission from ZnO thin films with high optical gain and low loss
TL;DR: In this article, a modified variable stripe length method was used to measure the gain, which was 1369 cm-1 for N-band emission and 6.2 cm 1/2 cm 2/6.3 cm 3/1 for P-band emissions.
Journal ArticleDOI
Ag surface plasmon enhances luminescence of CdTe QDs
TL;DR: In this article, the effect of plasmon Ag NPs on the spectral properties of semiconductor CdTe QDs was investigated using transmission electron microscopy (TEM).
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Structural and optical properties of p-quaterphenyl thin films and application in organic/inorganic photodiodes
TL;DR: In this article, the surface morphology of p-4phenyl thin film was studied using scanning electron microscope and the absorption spectrum was recorded in the wavelength range 200-2500nm using N2-laser (3378-nm).