Theme2: Physique des Matériaux: التقديمات الحديثة

  • Effect of ph on the properties of electrodeposited Coprous Oxide nanostructures 
    Sakhraoui, H.; Baka, O.; Laidoudi, S.; Mentar, L. (Université Frères Mentouri - Constantine 1, 2016-12-15)
    Cuprous oxide (Cu2O) is a well-known oxide semiconductor with a band gap of 2.1 eV and a natural p-type conductivity, which is an attractive material for device applications because of its abundant availability, non toxicity, ...
  • Structure and surface morphology optimizationof Nickel and Titanium thin film to their uses as Neutron guide 
    Salhi, M.; Riahi, F.; Abaidia, S. H. (Université Frères Mentouri - Constantine 1, 2016-12-14)
    Neutron guides are optical components that allow the selecting and transporting neutrons by total reflection phenomenon away from the reactor core without significant losses of energy and intensity. These guides consist ...
  • Electronic and magnetic properties of As10-nMn (n= 0-10, M= Co, Fe and Cu clusters by density functional theory 
    Safera, S.; Mahtouta, S.; Rezoualia, K.; Belkhira, M. A.; Rabilloudb, F. (Université Frères Mentouri - Constantine 1, 2016-12-14)
    The arsenic clusters have been the topic of many experimental and theoretical studies [1-3].The mean reasons of this interesting subject are that arsenic has found wide applications in many fields, such as semiconductors, ...
  • Studied the dehydroxylation of AlgeriaHalloysite (DD1), by thermogravimetric analysis 
    Raghdi, A.; Heraiz, M.; Sahnoune, F. (Université Frères Mentouri - Constantine 1, 2016-12-14)
    In this study the dehydroxylation of Algerian halloysite (DD1) was explored utilizing thermogravimetric analysis (TGA) were carried out on samples between room temperature and 1400°C, at different heating rates of 2, 5, ...
  • Étude de l'évolution de l'interface Ni/GaAs lors d'un recuit 
    Rabhia, S.; Benoudia, C.; Hoummada, K.; Perrin-Pellegrinc, C. (Université Frères Mentouri - Constantine 1, 2016-01-15)
    Les travaux de recherche se sont orientés vers les semi-conducteur III-V, nous nous somme intéressé plus précisément aux deux systèmes GaAs et InAs, car ces derniers présentent des propriétés intéressantes commela haute ...
  • Studies of the physicalproperties of theNowotny–Juza compounds by DFT 
    Noui, S.; Charifi, Z.; Baaziz, H. (Université Frères Mentouri - Constantine 1, 2016-12-15)
    A theoretical study of physical properties of NaZnAs and NaZnSb compounds is presented by performing ab initio calculations based on density-functional theory using the full-potential linear augmented plane wave (FP-LAPW). ...
  • Structural, electronic, and thermodynamic properties of post-perovskite NaIrO3 
    Marbouh, N.; Boudali, A.; Bentayeb, A.; Saadaoui, F.; Driss-Khodja, M. (Université Frères Mentouri - Constantine 1, 2016-12-14)
    We calculated structural, electronic, and thermodynamic properties of paramagnetic post-perovskite NaIrO3. Our calculations were done in the framework of the density functional theory (DFT), using the full potential-linearized ...
  • Decolouration of Orange II solutions bythe active layersof Cu-doped ZnO deposited onceramicsbasedon mulliteand zircon 
    Bourasa, Dikra; Mecifa, Abla; Harabib, Abdelhamid; Mahdjoub, Abdelhakim; Zaabat, Mourad; Benzitouni, Sara (Université Frères Mentouri - Constantine 1, 2016-12-15)
    For the preparation of purification elements in our daily life at low cost, thin layers of zinc oxide and ZnO doped with copper (0%, 4%, 6%) were deposited on pellets of ceramics constituted Cristobalite, mullite and zircon. ...
  • Structural Studies of the Fe/ La2O3 nanocomposite obtained by mechanochemical milling 
    Lalaoua, S.; Bouzabata, B. (Université Frères Mentouri - Constantine 1, 2016-12-15)
    Rare-earth oxides as Y2O3 and La2O3 evenly dispersed in Fe matrix constitute ODS alloys with potential applications in nuclear power plants .Dispersion of the above oxides can be obtained from various synthetic routes. ...
  • Growth, structural and optical characterization of ZnO and CuO nanoparticles/ZnO nanorods 
    Lakehal, S.; Achour, S.; Fabbri, F.; Buffagni, E.; Ferrari, C. (Université Frères Mentouri - Constantine 1, 2016-12-15)
    ZnO nanorods (ZNRs) have been grown on pre-coated ITO glass substrates, and then coated with CuO nanoparticles by using a low cost and low temperature chemical solution method. The structural and optical properties of ZNRs ...
  • Studying the nature of some graphite materials using Raman spectroscopy 
    Kendouli, S.; Sobti, N.; Baghriche, M.; Khalfallah, O.; Achour, S. (Université Frères Mentouri - Constantine 1, 2016-12-15)
    This work is a review of the application of Raman spectroscopy to identify the nature of some carbon materials such as: commercial graphite with various compositions. The RAMAN spectra show four bands D, G, D’ and 2D bands. ...
  • Propriétés magnétiques des deux composes spinelle cu1.20cr1.20zr0.80se4 et cu1.25cr1.25zr0.75se4 
    Belakroum, K.; Ounnas, S.; Ouili, Z. (Université Frères Mentouri - Constantine 1, 2016-12-15)
    Nous nous sommes intéressés, à l’étude des propriétés magnétiques des composés CuyCryZr2-ySe4 pour y = 1.20 et 1.25 par des mesures de susceptibilités magnétiques, aimantation et cycle d’hystérésis à l’aide du magnétomètre ...
  • The effect of ZnO additions on the porcelain mechanical properties 
    Kasrani, S.; Harabi, A. (Université Frères Mentouri - Constantine 1, 2016-12-15)
    Le but de ce travail est de fabriquer une porcelaine jouissant de propriétés mécaniques remarquables, à partir de matières premières locales. Afin d'améliorer les propriétés mécaniques des échantillons 3 ,5 en poids d’oxydes ...
  • Fabrication and characterization of pure ZnO thin films deposited by Sol – gel method 
    Haya, S.; Halimi, O.; Boudine, B. (Université Frères Mentouri - Constantine 1, 2016-12-15)
    ZnO thin films were prepared via Sol-gel method and were deposited on ordinary glass substrate using dip coating technique. These latters undergo optical annealing using UV irradiation, during 2 hours. The starting materials ...
  • Synthesis and characterization of Ag-doped ZnO thin films 
    Harzi, A.; Sebais, M.; Rahal, B.; Halimi, O. (Université Frères Mentouri - Constantine 1, 2016-12-15)
    Zinc oxide (ZnO) is an important material with a wide bandgap of 3.4 eV and a relatively large exciton binding energy of 60 meV. It is also characterized by having excellent chemical stability, nontoxicity, and good ...
  • Electrochemical, morphological and structural properties of electrodeposited ZnS Thin films 
    Ghezali, K.; Mentar, L.; Boudine, B.; Azizi, A. (Université Frères Mentouri - Constantine 1, 2016-12-15)
    Known as a n-type semiconductor, Zinc sulfide (ZnS) has the advantages of low consumption, nontoxic, andhigh exciton binding energy [1]. Therefore, it is widely used inSolar cells, infrared windows, light emitting and in ...
  • Simulation and fabrication study of porous silicon Bragg mirror for thin silicon solar cells application 
    Guermit, N.; Remeche, L.; Mahdjoub, A. (Université Frères Mentouri - Constantine 1, 2016-12-15)
    Porous silicon Bragg mirror (BM) is one-dimensional photonic crystal, characterized by its high reflectivity stop band. Several studies have used it as back reflector to enhance optic confinement of low energy photons in ...
  • Development and characterization of iron oxide 
    Grine, A.; Boultif, A.; Chekour, L. (Université Frères Mentouri - Constantine 1, 2016-12-15)
    The thin layers of iron oxide -Fe2O3 was prepared from the precursor (FeCl3, 6H2O) and HClhydrochloric acid by the dip-coating method. The developed thin films were subjected to analysis by XRD, IR and UV-Vis. Several ...
  • Synthèse et caractérisation des couches minces d’oxyde de nickel (NiO)par voie électrochimique 
    Ghalmi, Y.; Habelhames, F. (Université Frères Mentouri - Constantine 1, 2016-12-15)
    Dans ce travail, descouches minces d’oxyde de Nickel (NiO)ont étépréparéespar électrodéposition en courant continu et en courant pulsé surdes plaquessemi-transparentes d’oxyde d’étain dopé par le fluor(FTO) à partir d’une ...
  • Study on the solid state reaction between Co/Ni bilayer film and silicon substrate 
    Fiad, H.; Bouabellou, A.; Sedrati, C. (Université Frères Mentouri - Constantine 1, 2016-12-15)
    Billayers of pure Cobalt and nickel films were evaporated alternatively on (100) monocristalline silicone substrate. After annealing, in a vacuum furnace from 300 to 800°C during 20 min, the growth sequence of the phase’s ...

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