Browsing Staff Publications by Author "Abdub, Guyo Ali"
Now showing items 1-5 of 5
-
Effect of Mn doping on the structural and optical properties of sol-gel derived ZnO nanoparticles.
Abdub, Guyo Ali; Dejene, F. B.; Swart, H. C. (Springer, 2011)Un-doped and Mn-doped ZnO nanoparticles were successfully synthesized in an ethanolic solution by using a sol-gel method. Material properties of the samples dependence on preparation conditions and Mn concentrations were ... -
The influence of different species of gases on the luminescent and structural properties of pulsed laser-ablated Y2O2S:Eu3+ thin films.
Abdub, Guyo Ali; Dejene, F. B.; Swart, H. C. (Springer., 2016-04)Y2O2S:Eu3+ films have been grown on Si (100) substrates by using a pulsed laser deposition technique. The thin films grown under vacuum, argon and oxygen ambient have been characterized using structural and luminescent ... -
The influence of oxygen partial pressure on material properties of Eu3+-doped Y2O2S thin film deposited by Pulsed Laser Deposition.
Abdub, Guyo Ali; Swart, H. C.; Dejene, Francis (Elsevier B.V., 2015)Eu3+-doping has been of interest to improve the luminescent characteristics of thin-film phosphors. Y2O2S:Eu3+ films have been grown on Si (100) substrates by using a Pulsed Laser Deposition technique.The thin films grown ... -
Synthesis and characterization of Y2O3:Eu3+ phosphors using the Sol-Combustion method.
Abdub, Guyo Ali; Swart, H. C.; Dejene, Francis (Elsevier B.V., 2014)Y2O3: Eu3+ phosphor powders were prepared by the Sol-Combustion synthesis method using a sulfur-contained organic fuel in an ethanol–aqueous solution. The structural, morphological and optical properties of the as-prepared ... -
Temperature dependence of structural and luminescence properties of Eu3+-doped Y2O3 red-emitting phosphor thin films by pulsed laser deposition.
Abdub, Guyo Ali; Swart, H. C.; Dejene, Francis (Springer, 2016-02)Pulse laser deposition was used to obtain nanocrystalline red-emitting Y2O3:Eu3+ thin-film phosphors.X-ray diffraction measurements show that the un-annealed thin film was amorphous, while those annealed were crystalline.At ...