Browsing Institute of Nano Electronic Engineering (INEE) (Articles) by Author "yaldouri@yahoo.com"
Now showing items 1-14 of 14
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An ab initio density functional study of the optical functions of 9-Methyl-3-Thiophen-2-YI-Thieno [3,2e] [1,2,4] Thriazolo [4,3c] Pyrimidine-8-Carboxylic Acid Ethyl Ester crystals
Ali Hussain, Reshak, Prof. Dr.; Kityk, Iwan V.; Rabah, Khenata, Prof. Dr.; Yarub, Al-Douri, Assoc. Prof. Dr.; Auluck, Sushil, Dr. (Elsevier B.V., 2012-09)An ab initio investigation of the optical constants of 9-Methyl-3-Thiophen- 2-YI-Thieno [3,2e] [1,2,4] Thriazolo [4,3c] Pyrimidine-8-Carboxylic Acid Ethyl Ester crystal is performed within a framework of local density ... -
Chalcogenide nanostructures: Topography, synthesis, properties, and applications
Yarub, Al-Douri; Uda, Hashim, Prof. Dr. (AIP Publishing LLC, 2014)High-quality Cadmium sulfide (CdS) nanostructures for high-efficiency optoelectronic devices were prepared at different annealing temperatures using a sol-gel spin-coating method. Atomic force microscopy and X-ray diffraction ... -
Characterization of nanostructured heterojunction solar cells of CdS/Cd₂ₓ(CuIn)₁₋ₓS₂ grown by chemical spray Pyrolysis
Hamid S., Al-Jumaili; Mohammed Z., Al-Rawi; Yarub, Al-Douri, Prof. Dr. (Trans Tech Publications Inc., 2014-04)A nanostructured heterojunction of CdS/Cd2x(CuIn)1-xS2 with x=0.2 was prepared by chemical spray pyrolysis on ITO/glass substrate at 350 °C. The X-ray diffraction pattern obtained from CdS/Cd2x(CuIn)1-xS2 solar cell confirmed ... -
Differential equations to calculate the ionicity factor of hexagonal structure semiconductors
Ghassan E., Arif; Yarub, Al-Douri, Assoc. Prof. Dr.; Farah Aini, Abdullah, Dr.; Rabah, Khenata, Prof. Dr. (Elsevier Ltd., 2013)New mathematical models based on analytical expression and differential equations are established. The work aims to model ionicity factor based on energy gap of hexagonal structure semiconductors using density functional ... -
External temperature and pressure effects on thermodynamic properties and mechanical stability of yttrium chalcogenides YX(X=S, Se and Te)
Seddik, T.; Rabah, Khenata, Prof. Dr.; Abdelmadjid, Bouhemadou; Guechi, N.; Sayede, Adlane D.; Varshney, Dinesh; Yarub, Al-Douri, Assoc. Prof. Dr.; Ali Hussain, Reshak, Prof. Dr.; Bin-Omran, S. (Elsevier B.V., 2013)The full potential linearized augmented plane wave method within the framework of density functional theory is employed to investigate the structural, thermodynamic and elastic properties of the yttrium chalcogenides (YX: ... -
Morphology and optical investigations of ZnO pyramids and nanoflakes for optoelectronic applications
N. K., Hassan; M. Roslan, Hashim; Yarub, Al - Douri (Elsevier, 2014-06)Zinc-oxide (ZnO) pyramidal and nanoflakes were grown by electrochemical deposition of Zn(NO3)2·6H2O on n-type Si substrate with different crystallographic orientations and on indium tin oxide (ITO)-coated glass. Various ... -
Morphology, analysis and properties studies of CdS nanostructures under thiourea concentration effect for photovoltaic applications
Yarub, Al-Douri, Assoc. Prof. Dr.; Jamal H., Waheb; Mohammed Ameri; Khenata, R.; Abdelmadjid, Bouhemadou; Ali Hussain, Reshak, Prof. Dr. (Electrochemical Science Group, 2013-08)CdS nanostructures are prepared by sol-gel spin coating method using different thiourea concentrations. The thiourea concentration effect for CdS nanostructures deposited on quartz substrate is studied. The CdS nanostructures ... -
Optoelectronic properties of GaAs and AlAs under temperature effect
Yarub, Al-Douri, Assoc. Prof. Dr.; Ali Hussain, Reshak, Prof. Dr.; Uda, Hashim, Prof. Dr. (Elsevier GmbH, 2013-08)An application study of optoelectronic properties as a function of the temperature for GaAs and AlAs according to our model has been presented using empirical pseudopotential method (EPM). The structural phase transition ... -
Structural and optical investigations of cadmium sulfide nanostructures for optoelectronic applications
Abdulwahab, S.Z. Lahewil; Yarub, Al-Douri, Assoc. Prof. Dr.; Uda, Hashim, Prof. Dr.; Naser Mahmoud, Ahmed, Dr. (Elsevier Ltd., 2012-11)Cadmium sulfide (CdS) nanostructures were deposited on glass substrates by sol–gel spin coating technique. X-Ray Diffraction (XRD) results have indicated that the formation of CdS has hexagonal structure. The lattice constants ... -
Structural and optical properties of PbI2 nanostructures obtained using the thermal evaporation method
Safaa I. Mohammed; Yarub, Al-Douri, Assoc. Prof. Dr.; Uda, Hashim, Prof. Dr.; Naser Mahmoud, Ahmed, Dr.; R., Al-Gaashani (NRC Research Press, 2013-10)Lead iodide (PbI2) nanostructures were successfully prepared using the thermal evaporation method on a glass substrate at room temperature. The structural properties were analyzed using X-ray diffraction, which revealed ... -
Structural properties of PbI₂ thin film
Safaa, I. Mohammed; Naser, M. Ahmed; Yarub, Al-Douri, Assoc. Prof. Dr.; Uda, Hashim, Prof. Dr. (Trans Tech Publications, 2014-01)Lead iodide (PbI₂) thin films were successfully prepared by thermal evaporation method on a glass substrate at room temperature. The structural analysis of these films was done by XRD. The results revealed that the crystallite ... -
Structural properties of Sb- and Te-based binary compounds: Spin-orbit effect
Yarub, Al-Douri, Assoc. Prof. Dr. (Versita Warsaw and Springer-Verlag Wien, 2013-01)The band structure of AlSb, GaSb, ZnTe and CdTe is calculated using the empirical pseudopotential method (EPM) coupled with spin-orbit (SO) splitting. We applied our empirical model of bulk modulus with SO effect. It has ... -
Structural Properties of Zn-PbI₂ Nanostructures
Safaa, I. Mohammed; Yarub, Al-Douri, Assoc. Prof. Dr (Trans Tech Publications Inc., 2014-04)The structural properties of Zn-doped and undoped lead iodide ( PbI2 ) nanostructures have been investigated. Zn-doped and undoped of ( PbI2 ) have been grown by chemical technique. Different doped and undoped PbI2 when ... -
Structural, analysis and optical studies of cadmium sulfide nanostructured
Abdulwahab, S. Z. Lahewil; Yarub, Al-Douri, Assoc. Prof. Dr.; Uda, Hashim, Prof. Dr.; Naser Mahmoud, Ahmed, Dr. (Elsevier Ltd., 2013)Cadmium sulfide (CdS) thin films of nanostructure were prepared and deposited on glass substrates with Cd:S (1.2 to 0.05 mol/L) annealed at 400ºC and different spin coating speed (1000 and 5000 rpm) using sol-gel spin ...