Search Results - "Zawawi, I."

Tailoring ZnO/CoFe2O4 nanocomposites: structure, optical, dielectric and magnetic study by Mahdy, Manal A, Azab, A A, El Zawawi, I K, Turky, G

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Preparation and characterization of optical and electrical properties of copper selenide sulfide polycrystalline thin films by Mansour, B.A., Zawawi, I.K.E.L., Elsayed-Ali, Hani E., Hameed, Talaat A.

“…The structural, optical and electrical properties of Cu1.8Se1-xSx (0.25 ≤ x ≤ 0.75) polycrystalline thin films deposited at room temperature by vacuum…”
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Influence of chromium incorporation on optoelectronic and magnetic properties of Zn1−xCrxS nanocrystals by El Zawawi, I. K., El Desouky, Fawzy G., Mahdy, Manal A.

“…A series of Zn 1− x Cr x S powder with ( x  = 0–0.18) has been obtained by hydrothermal synthesis. Hexagonal phase nanocrystalline structure of powder samples…”
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Influence of manganese ions in calcium silicate glass–ceramics on optical, mechanical, and magnetic properties by Mahdy, Manal A., Hamzawy, Esmat M. A., El-Bassyouni, Gehan T., Zawawi, I. K. El, Sherif, H. H. A.

“…Nanocrystalline calcium silicate powder was synthesized by adding different ratios of MnO 2 ranging from 0.00 to 2.00 wt% to detect its effect on the structure…”
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Some optical and microstructure characteristics of effective cost ZnO-containing hydroxyapatite by Mahdy, Manal A, Sherif, H H A, Kenawy, S H, El-Bassyouni, G T, Hamzawy, E M A, El Zawawi, I K

“…Abstract Metal oxide like zinc oxide (ZnO) is recognized to be one of the versatile inorganic compounds due to its physical properties. Crystalline…”
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Structural, optical and electrical properties of PbS and PbSe quantum dot thin films by El-Menyawy, E. M., Mahmoud, G. M., Ibrahim, R. S., Terra, F. S., El-Zahed, H., El Zawawi, I. K.

“…PbS and PbSe were prepared by hot injection method. The powders were used for preparing the corresponding films by using thermal evaporation technique. The…”
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Synthesis and characterization of low particle size nanocrystalline SnSe thin films by El Zawawi, I. K., Mahdy, Manal A.

“…Tin selenide (SnSe) nanocrystalline thin films of different thickness from 15 to 70 nm were prepared by inert gas condensation technique. Argon gas flow and…”
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Structural and optical properties of thermally evaporated 2-(2,3-dihydro-1,5-dimethyl-3-oxo-2-phenyl-1 H-pyrazol-4-ylimino)-2-(4-nitrophenyl)acetonitrile thin films by Zeyada, H.M., El-Nahass, M.M., El-Zawawi, I.K., El-Menyawy, E.M.

“…The structural and optical properties of as-deposited and γ-rays irradiated 2-(2,3-dihydro-1,5dimethyl-3-oxo-2-phenyl-1…”
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Characterization of Pb24Te76 quantum dot thin film synthesized by inert gas condensation by Mahdy, Manal A., Mahdy, Iman A., El Zawawi, I.K.

“…Transmission electron microscope (TEM) micrograph of as deposited Pb24Te76 thin film; it shows a homogenous distribution of a spherical shape of nanoparticles…”
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Influence of temperature on the magnetic behavior of the Sb35.75Mn1.43Se62.82 compound by Mahdy, Manal A., El Zawawi, I. K., El-Sayad, E. A.

“… Polycrystalline Mn-doped Sb 2 Se 3 was synthesized by using the conventional solid-state reaction method. Structural, optical, and magnetic properties of the…”
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Impact of various irradiation photon energies and gamma doses on the optical properties of ZnSe nanostructure thin film by El Zawawi, I. K., Khalil, N. Rabie, Mahdy, Manal A.

“…ZnSe thin films were prepared by thermal evaporation technique under high vacuum (10 −6 Torr) at 300 K and different film thickness. The structure of thin…”
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Influence of gamma radiation on the optical properties of ZnSe nanocrystalline thin films by El Zawawi, I. K., Rabie, N., Sedeek, K., Adam, A., Mahdy, Manal A.

“…The effect of gamma (γ) irradiation on the absorption spectra and the optical energy bandwidth of ZnSe nanocrystalline thin films have been studied. Thin films…”
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Diagonally Implicit Block Backward Differentiation Formulas for Solving Ordinary Differential Equations by Zawawi, I. S. M., Ibrahim, Z. B., Ismail, F., Abdul Majid, Zanariah

“…This paper focuses on the derivation of diagonally implicit two-point block backward differentiation formulas (DI2BBDF) for solving first-order initial value…”
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Phase transformation and disorder effect on optical and electrical properties of Zn3P2 thin films by El Zawawi, I.K., Moez, A. Abdel, Hammad, T.R., Ibrahim, R.S.

“…[Display omitted] ► The electric and optical properties of amorphous and polycrystalline Zn3P2 thin films have been investigated. ► Zn3P2 films show tetragonal…”
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The effects of magnetic separation on cryopreserved bovine spermatozoa motility, viability and cryo-capacitation status by Faezah, S S M, Zuraina, F M Y, Farah, J H F, Khairul, O, Hilwani, N I, Iswadi, M I, Fang, C N, Zawawi, I, Abas, O M, Fatimah, S I

“…Cryopreservation is a technique used to preserve cells for long-time storage. It is widely used in agriculture to store male gametes in liquid nitrogen. The…”
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Preparation and structural characterization of Zn1−xMnxSe thin films by El Zawawi, I. K., Sedeek, K., Adam, A., Mahdy, Manal A.

“…Undoped and Mn doped ZnSe nanoparticles thin films of thickness ranging from 20 to 120 nm have been successfully synthesized via inert gas condensation (IGC)…”
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Photovoltaic properties of ZnSe/metal-free phthalocyanine heterojunctions deposited on substrates of InP single crystals by Darwish, S., El Zawawi, I.K., Riad, A.S.

“…Heterojunctions of n-ZnSe/p-H 2Pc have been fabricated by thermal evaporation technique of zinc selenide and metal-free phthalocyanine layers onto p-InP (100)…”
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Substrate temperature effect on the optical and electrical properties of antimony trisulfide thin films by El Zawawi, I.K, Abdel-Moez, A, Terra, F.S, Mounir, M

“…Thin films of antimony trisulfide Sb 2S 3 were prepared by thermal vacuum evaporation technique at substrate temperatures from 300–498 K. At substrate…”
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Electrical and optical phototransformation properties in As doped Se thin films by EL ZAWAWI, I. K, ABD ALLAH, R. A

“…Selenium doped with arsenic thin films prepared by thermal evaporation were exposed to white light in air. The structure of thin films gradually changed from…”
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Collection, analysis and cryopreservation of semen from Malayan gaur (Bos gaurus hubbacki): A preliminary study by Iswadi, M.I., Ann, Z.F., Hafiz, M.M., Hafiz, M.D., Fahrul, F.J., Hajarian, H., Wahid, H., Zawawi, I., Khairiah, M.S., Mazni, O.A.

“…The Malayan gaur ( Bos gaurus hubbacki ) or Seladang is classified as vulnerable by the International Union for Conservation of Nature and Natural Resources…”
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