• Influence of green surfactant on particle size and optical properties of hematite nanoparticles (α-Fe2O3) 

  Zine, A.; Chetibi, L.; Sobti, N.; Hamana, D.; Achour, S. (Université Frères Mentouri - Constantine 1, 2016-12-15)

  As an n-type semiconductor, hematite (α -Fe2O3) has attracted a great deal of attention from researchers in different fields because of its nontoxicity, low cost, high stability under ambient conditions, and multiple ...
• Preparation process of a highly resistantanorthite based ceramics using local raw materials: Effect of Na2CO3 additions on sintering and crystallization 

  Zaiou, S.; Harabi, A. (Université Frères Mentouri - Constantine 1, 2016-12-15)

  Anorthite (CaO·Al2O3·2SiO2) is mainly used for traditional ceramics. In this study, anorthitebased ceramics was obtained by solid state reaction.The new selected composition was80 wt.% kaolin (DD2 type) and 20 wt.%calcium ...
• Dielectric and electrical proprieties of Nano-TiO2 powders and thin films doped by copper at room temperatures 

  Toubal, B.; Bensaha, R. (Université Frères Mentouri - Constantine 1, 2016-12-15)

  In this work, we have made a parallel study using both powders and thin layers of TiO2 doped by copper (Cu). Annealing temperatures effects and the Cu dopant concentration on the phase composition, chemical banding and ...
• A Study of the structural and electronic properties of LaX (X=Se, Te ) in two phases B1, B2 ander high pressure 

  Soltani, F.; Baaziz, H.; Charifi, Z. (Université Frères Mentouri - Constantine 1, 2016-12-15)

  The objective of this work is a study of the structural properties (lattice parameters, total energy, bulk modulus) and electronic properties (band structure, density of states) of rare earth monochalcogenides LaX (X=Se, ...
• BaTiO3-TiO2 nanotubesproduced by classical hydrothermal methodand their photoelectrochemical properties 

  Sobti, N.; Kendouli, S.; Baghriche, M.; Achour, S. (Université Frères Mentouri - Constantine 1, 2016-12-15)

  Nanotubes are of great interest due to their high surface-to-volume ratios and size-dependent properties. Titanium dioxide nanotube array is a well-known nanostructured semiconductor oxide with improved functional ...
• Etudes des propriétés structurales, électroniques et magnétiques des systèmes Gen et CuGen (n=2-20) : étude à travers la DFT 

  Siouania, C.; Mahtouta, S.; Rabilloud, F. (Université Frères Mentouri - Constantine 1, 2016-12-14)

  Dans ce présent travail, nous étudions les propriétés électroniques et magnétiques des nanostructures de germanium pures et de germanium dopées par le cuivre (CuGen) dans le rang de 2 à 20 atomes. Ce travail est purement ...
• Study of radiation damage induced in Si(111) targets by Antimony ions implantation 

  Serrar, H.; Labbani, R.; Benazzouz, C. (Université Frères Mentouri - Constantine 1, 2016-12-15)

  In this work, we studied the radiation damage induced by the implantation of Sb+ ions into Si(111) targets at 120KeV energy to a dose of 1E15Sb+/cm2 and 1.6E15Sb+/cm2. The restoration of defects by the annealing treatments ...
• First-principles Study of Tin Intergranular Segregation in Zirconium 

  Selmi, N.; Khalfallah, O. (Université Frères Mentouri - Constantine 1, 2016-12-15)

  The Zirconium is the major component of zircaloy (2 and 4), this latter has a very weak thermal neutron absorption, satisfactory mechanical properties and good corrosion resistance at high temperature. For these reasons, ...
• 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 ...

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