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2ème Journées Internationales de Physique de Constantine 14 et 15 Décembre 2016
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Theme2: Physique des Matériaux
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Voici les éléments 21-40 de 76

Evolution of the structural properties of sol-gel synthetized ZnO with solid phase and solution-based aluminum dopingat different annealing temperatures.

Mahcene, F.; belabed, N.; Gouder, M.; Kasouit, S.; Chari, A.; Chaieb, A. (Université Frères Mentouri - Constantine 1, 2016-12-14)

We report here on the effect of aluminum doping and annealing temperature on the structural properties of ZnO, synthetized using the Sol Gel method. Aluminum doping was performed in two ways, either by adding AlCl3 to the ...
Thermodynamic study of cellulose containing oxides

Djarri, A.; Sahli, M.; Zahaf, A.; Revo, S.; Djarri, Y.; Nedilko, S.; Boubertakh, A. (Université Frères Mentouri - Constantine 1, 2016-12-14)

At present, the works reserved to cellulose for the development of micro / nano composites (MNC) are becoming relevant and taking a prominent place in several laboratories. The perspectives are numerous electronics, paper ...
Structural study of Fe/SiO2, Fe-Ni/SiO2 and Fe-Co/SiO2 nanocomposites

Douas, N.; Keghouche, N. (Université Frères Mentouri - Constantine 1, 2016-12-14)

The present work examines Fe, Fe-Ni and Fe-Co nanocomposites supported on silica, prepared by impregnation, followed by calcination and thermal H2- treatment. Several techniques, such as SEM and XRD are used for the ...
Precipitation and dissolution kinetics of the δ phase in Cu-15wt%.In and Cu-9wt%.Sb alloys.

Hachoufa, M.; Hamanab, D.; Benaskeura, N.; Selmia, N. (Université Frères Mentouri - Constantine 1, 2016-12-14)

Theprecipitation and dissolution of the δ phase in the supersaturated solid solutions of both Cu-15wt%. In and Cu-9wt%.Sballoys has been studied during isothermal and anisothermal analysis using several experimental methods. ...
Green synthesis and study of Cuprous Oxide nanoparticles

Kerour, A.; Boudjadar, S. (Université Frères Mentouri - Constantine 1, 2016-12-14)

Recently, biosynthesis of nanoparticles has attracted more attention due to their different advantages as an eco-friendly, low cost and non toxic alternative approaches. In particular, metal oxide nanoparticles are receiving ...
Behaviour of dislocations near phase boundaries inbicrystals of FCC materials: Au-X, X = Pb, Cu and Ni

Ouchtati, A.; Khalfallah, O. (Université Frères Mentouri - Constantine 1, 2016-12-14)

The mechanical properties of materials are determined by the interactions between defects found in the crystal. In a bicrystal of bimaterials, the result forces exercising on the matrix dislocation near and parallel to an ...
Elaboration et propriétés structurales des nanoparticules bimétalliques Ni-Ce et Ni-Pt supportées sur α-Al2O3

Seridi, F.; Chettibi, S.; Keghouche, N. (Université Frères Mentouri - Constantine 1, 2016-12-14)

L’objectif de cette étude est la préparation et la caractérisation de nanoparticules bimétalliques Ni-Ce et Ni-Pt supportés sur α-Al2O3. Ces matériaux sont testés comme catalyseurs dans la réaction d’hydrogénation du ...
Characterization of PbS nanoparticles trapped in Y zeolite by X ray diffraction and scanning electron microscopy

Tebani, H.; Keghouche, N. (Université Frères Mentouri - Constantine 1, 2016-12-14)

The present study examines the PbS semiconductor nanoparticles trapped in Y zeolite synthesized at room temperature via a simple chemical reaction when 2-mercaptoethanol noted RSH was used with a different amounts as a ...
Effect of temperature on the optical properties of ZnO films obtained by spin-coating method from a sol-gel

Belaoui, M.; Debbab, M.; Bouzid, Z.; Chiali, A.; Ghellai, N.; Chabane-Sari (Université Frères Mentouri - Constantine 1, 2016-12-15)

Zinc oxide is the widely used TCO material in both research and industry due to its low cost and abundance in nature when regarding the other TCOs.TCO are used in the manufacture of modern electroluminescence’s diodes, ...
Investigation of the multiferroics properties of the substitution ofSrin the BiFeO3matrixe

Belakroum, K.; Batouche, M.; Tsurkan, V.; Loidl, A. (Université Frères Mentouri - Constantine 1, 2016-12-15)

Multiferroic materials have renewed interest in recent years, in which both ferromagnetic andferroelectric properties exist in the same phase [1]. As a result they have spontaneous magnetizationwhich can be switched by an ...
Effects of Cd doping on structural and optical properties of TiO2 thin films prepared by sol-gel dip coating method

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

Undoped TiO2, 3 and 5 at.% Cd-TiO2 thin films are prepared on glass substrate by sol–gel dip-coating technique. The structural, morphological and optical properties of the films have been investigated by X-ray diffraction ...
Modified Becke-Johnson potential investigation of InAsxSb1-x semiconductors

Bentayeb, A.; Saadaoui, F.; Marbouh, N.; Bouhafs, K.; Driss-Khodja, F.; Arbouche, O. (Université Frères Mentouri - Constantine 1, 2016-12-15)

In this paper we have investigated structural, electronic, and thermodynamic properties of ternary InAsxSb1-x semiconductors within the full potential-linearized augmented plane wave (FP-LAPW) method based on the density ...
Calcul des propriétés électroniques ab-initio de VC

Benecheikh, R.; Boukraaet, O.; Belakroum, K. (Université Frères Mentouri - Constantine 1, 2016-12-15)

La structure électronique des VC est fondamentalement intéressante et technologiquement import ante. Avec le code de simulation WIEN2k, nousavons effectué des calculs de propriétés électroniques en utilisant la théorie de ...
Theoretical investigation of structural, electronic and thermodynamic properties of CrO2compound

Berarmaa, K.; Hetacheb, N.; Charifi, Z.; Baaziz, H. (Université Frères Mentouri - Constantine 1, 2016-12-15)

The structural, electronic and thermodynamic properties of CrO2 compound have been performed by first-principles density functional calculations using the full linearized augmented plane wave (FP-LAPW) method as implemented ...
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 ...
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 ...
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 ...
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, ...
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, ...
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 ...

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