Search Results - "Fakhfakh, Z."

Enhanced dielectric performance of metakaolin–H3PO4 geopolymers by Douiri, H., Louati, S., Baklouti, S., Arous, M., Fakhfakh, Z.

“…Phosphoric acid based geopolymers are a class of materials that present different properties compared with alkali-based ones. As an example, this kind of…”
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Water molecular dynamics of metakaolin and phosphoric acid-based geopolymers investigated by impedance spectroscopy and DSC/TGA by Douiri, H., Kaddoussi, I., Baklouti, S., Arous, M., Fakhfakh, Z.

“…In this paper, thermal behavior and dielectric response of a series of metakaolin-phosphoric acid geopolymers with different amounts of H3PO4 were…”
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Studies of dielectric relaxation in natural fibres reinforced unsaturated polyester by Triki, A., Guicha, M., Ben Hassen, Med, Arous, M., Fakhfakh, Z.

“…Dielectric properties on natural fibres reinforced unsaturated polyester were investigated. Dielectric spectra were measured in the frequency range from 10 −1…”
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Experimental characterisation of charge distribution and transport in electron irradiated PMMA by Fakhfakh, S., Jbara, O., Rondot, S., Hadjadj, A., Fakhfakh, Z.

“…For studying the space charge distribution and transport in poly-methyl-methacrylate (PMMA) polymer material, the specimens were submitted to electron…”
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Study of temperature effects on the conduction and trapping of charges in the alkali-silicate glass under electron beam irradiation by Fakhfakh, S., Elsafi, B., Fakhfakh, Z., Jbara, O.

“…► Temperature effects on the charging behaviour of alkali-silicate glasses. ► Currents measurements obtained by the EIM using a setup adapted to the SEM. ►…”
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Crystallinity and dielectric relaxations in semi-crystalline poly(ether ether ketone) by Arous, M., Amor, I. Ben, Kallel, A., Fakhfakh, Z., Perrier, G.

“…The Maxwell–Wagner–Sillars (MWS) relaxation is studied for semi-crystalline polymers poly (ether ether ketone) (PEEK), in the range 20 Hz–1 MHz and temperature…”
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Temperature effects on the behavior of PET submitted to electron beam irradiation in a SEM by Elsafi, B., Fakhfakh, S., Fakhfakh, Z., Jbara, O.

“…The electron-beam irradiation behavior of a polyethylene terephthalate (PET) has been investigated at different temperatures by the electrostatic influence…”
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Effects of interfacial roughness on the magnetoresistance of Co/Cu multilayers by Trigui, F., Elsafi, B., Fakhfakh, Z., Beauvillain, P.

“…Using a semi-classical approach, Hood, Falicov and Penn have studied the effects of interfacial roughness on the magnetoresistance (MR) of iron based trilayers…”
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Role of fiber/matrix interphases on dielectric, friction, and mechanical properties of glass fiber-reinforced epoxy composites by Kechaou, B., Salvia, M., Benzarti, K., Turki, C., Fakhfakh, Z., Tréheux, D.

“…This study compares the mechanical, tribological, and dielectric properties of glass fiber-reinforced epoxy (GFRE), presenting various fiber/matrix adhesions…”
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Effects of bulk and interface scattering on giant magnetoresistance in the Co/Cu multilayer systems by Elsafi, B., Trigui, F., Fakhfakh, Z.

“…The evolution of the giant magnetoresistance (GMR) effect in thin film multilayers based on (Co/Cu) n has been investigated by using semi-classical approach of…”
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Dielectric and friction behaviour of unidirectional glass fibre reinforced epoxy (GFRE) by Kchaou, B., Turki, C., Salvia, M., Fakhfakh, Z., Tréheux, D.

“…The aim of this paper is to confirm the role of the electric charges on the friction behaviour of non-conductive materials. This correlation is proven using…”
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Measurements and modelling of thermal step current in GaN/SiO2/Si structure by MATOUSSI, A, DHOUIB, A, FAKHFAKH, Z

“…In this work, we report results of measurement of space charge in GaN/SiO2/Si structure by means of thermal step method (TSM) and capacitance-voltage (C-V)…”
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Luminescent properties of GaN films grown on porous silicon substrate by Matoussi, A., Ben Nasr, F., Boufaden, T., Salh, R., Fakhfakh, Z., Guermazi, S., ElJani, B., Fitting, H.-J.

“…GaN films have been grown on porous silicon at high temperatures (800–1050 °C) by metal organic vapor phase epitaxy. The optical properties of GaN layers were…”
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Role of fibre–matrix interface and fibre direction on dielectric behaviour of epoxy composites by Kchaou, B., Turki, C., Salvia, M., Fakhfakh, Z., Tréheux, D.

“…The aim of this paper is to show the influence of fibres and fibre orientation on dielectric behaviour of glass fibre reinforced polymer. The Scanning Electron…”
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Morphological, structural and optical properties of GaN grown on porous silicon/Si(100) substrate by Matoussi, A., Ben Nasr, F., Salh, R., Boufaden, T., Guermazi, S., Fitting, H.-J., Eljani, B., Fakhfakh, Z.

“…In the present paper, we report results of GaN layers grown at 800 °C by metal organic vapour phase epitaxy (MOVPE) on porous silicon (PS) formed on Si(100)…”
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Fretting behaviour of unidirectional glass fibre–epoxy composites, influence of electric charge effects by Turki, C, Kechaou, B, Tréheux, D, Fakhfakh, Z, Salvia, M

“…Because fibre-reinforced polymer/metal assemblies are so important for the durability of automotive and aeronautical structures, the fretting behaviour of…”
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Structural and dielectric comparative studies of geopolymers prepared with metakaolin and Tunisian natural clay by Douiri, H., Louati, S., Baklouti, S., Arous, M., Fakhfakh, Z.

“…Metakaolin and calcined Tunisian natural clay were used as potential aluminosilicate sources to synthesize phosphoric acid - inorganic polymers known as…”
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Dynamic investigation of electron trapping and charge decay in electron-irradiated Al2O3 in a scanning electron microscope: Methodology and mechanisms by Fakhfakh, S, Jbara, O, Belhaj, M, Fakhfakh, Z, Kallel, A, Rau, E.I

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Measurement of internal electric field in coated grounded quartz irradiated by an electron beam by Ghorbel, N., Hachicha, O., Fakhfakh, S., Jbara, O., Fakhfakh, Z., Kallel, A.

“…Physical mechanisms involved in insulators submitted to electron irradiation inside a scanning electron microscope (SEM) are investigated by combining some…”
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Study of charging phenomena in MgO single crystal: effect of polishing, annealing temperature and crystallographic orientation by Dammak, N, Trigui, F, Temga, T, Kallel, A, Fakhfakh, Z, Treheux, D

“…Several experiments have shown that dielectric improvement of ceramics could be partially explained by the decrease of the trapped charge density. To carry out…”
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