Search Results - "Touayar, O."

Harvesting wind energy with pyroelectric nanogenerator PNG using the vortex generator mechanism by Raouadi, M.H., Touayar, O.

“…•A novel pyroelectric nanogenerator called PNG with enhanced energy harvesting capability.•Easy mechanism using vortex generator to produce uninterrupted…”
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Physical and electrical characterization of high-performance Cu 2 ZnSnSe 4 based thin film solar cells by Oueslati, S., Brammertz, G., Buffière, M., ElAnzeery, H., Touayar, O., Köble, C., Bekaert, J., Meuris, M., Poortmans, J.

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Development of the PSO method for the determination of the dynamic response of a pyroelectric sensor by Raouadi M.H., Sifi N., Touayar O.

“…We modeled a pyroelectric sensor by a current source connected in parallel with output impedance. The dynamic behavior of the sensor is described using a…”
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Effect of doping level and spray time on zinc oxide thin films produced by spray pyrolysis for transparent electrodes applications by Achour, Z. Ben, Ktari, T., Ouertani, B., Touayar, O., Bessais, B., Brahim, J. Ben

“…In this paper, we present the results of optical, electrical and structural properties of zinc oxide (ZnO) semiconductors thin layers with various aluminium…”
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Substrate effect on the evolution of the current-voltage response of a pyroelectric sensor by Raouadi, M. H., Touayar, O.

“…Pyroelectric sensors are designed as multi-layer structure consisting essentially of an absorbent layer, a pyroelectric film and a radiator substrate; we…”
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Theoretical and experimental study of power radiometric measurements using a pyroelectric current integrator converter by Touayar, O., Sifi, N., Ben Brahim, J.

“…In this paper, we describe a method of carried charge signal conditioning associated to the pyroelectric effect: integration of the current in order to…”
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Determination of the nonequivalence source between electrical and radiative heating in a pyroelectric sensor using experimental voltage response and heat wave propagation theoretical model by Touayar, O., Mellouki, I., Sifi, N., Yacoubi, N.

“…This paper shows the capacity of an absolute pyroelectric sensor to compare a laser power with an electrical Joule heating brought to the same sensor. On the…”
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Harvesting EM noise energy generated by the frequency power converter systems by Raouadi, M.H., Fanton, J.P, Touayar, O.

“…This paper describes the first experimental study of harvesting Electro-Magnetic (EM) noise energy resulted from the frequency power converter mechanism…”
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Experimental evaluation of a pyroelectric detector linearity used for pulsed laser energy absolute measurement by Touayar, O., Sifi, N., Ktari, T., Bastié, J.

“…The linearity of a pyroelectric detector used for pulsed laser energy absolute measurement has been studied using an experimental evaluation. Two different…”
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Deposition and characterization of graphite-black coating for absolute pyroelectric detectors by Mellouki, I., Touayar, O., Ktari, T., Yacoubi, N.

“…We describe the process of depositing graphite-black on thin pyroelectric detector substrates and compare this with previous work on gold-black coating,…”
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Indirect comparison of the absolute LMR-Tunisia trap pyroelectric detector with the INM-France cryogenic absolute radiometer at 632.8nm by Touayar, O., Mellouki, I., Ben Achour, Z., Sifi, N., Yacoubi, N., Bastié, J.

“…A trap pyroelectric detector has been developed at the 'Laboratoire de Metrologie des Rayonnements (Radiation Metrology Laboratory), LMR'to serve as a Tunisian…”
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A method for calibrating of a trap pyroelectric detector in the UV–vis domain by Mellouki, I., Touayar, O., Ktari, T., Bastie, J., Yacoubi, N.

“…The method and the experimental setup of a trap pyroelectric detector calibration against the BNM-INM Cryogenic Radiometer, at three laser wavelengths in the…”
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Structural and electrical characterization of strontium doped barium titanate for radiometric measurement by Ben Chamekh, M., Ben Achour, Z., Thamri, A., Chtourou, R., Dhahri, E., Touayar, O.

“…[Display omitted] •Ba(1-x)SrxTiO3 were synthesized via a sol-sol method.•Ba(1-x)SrxTiO3 crystallized in the tetragonal structure.•The Nyquist plot indicate the…”
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Physical and electrical characterization of high-performance Cu2ZnSnSe4 based thin film solar cells by Oueslati, S., Brammertz, G., Buffière, M., ElAnzeery, H., Touayar, O., Köble, C., Bekaert, J., Meuris, M., Poortmans, J.

“…We report on the electrical, optical and physical properties of Cu2ZnSnSe4 solar cells using an absorber layer fabricated by selenization of sputtered Cu, Zn…”
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Low-frequency noise measurements at liquid helium temperature operation in ultra-thin buried oxide transistors – Physical interpretation of transport phenomena by Nafaa, B., Cretu, B., Ismail, N., Touayar, O., Carin, R., Simoen, E., Veloso, A.

“…•FD SOI UTBOX devices have been studied at helium liquid temperature.•Transfer characteristics at very low temperature and polarization evidenced step-like…”
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Characterization of a trap pyroelectric sensor noise and improvement of the measurement range by Mellouki, I., Sifi, N., Touayar, O., Abroug, S., Yacoubi, N.

“…In this paper, a characterization of trap pyroelectric sensor noise was investigated, by adopting and characterizing a measuring equipment of particular…”
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Study and realization of a transfer detector based on porous silicon for radiometric measurements by Ben Achour, Z., Touayar, O., Akkari, E., Bastie, J., Bessais, B., Ben Brahim, J.

“…A photodetector of high accuracy has been developed at the “Laboratoire de Métrologie des Rayonnements (L.M.R)—Tunisia” to serve as a transfer detector for…”
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Indirect comparison of the absolute LMR-Tunisia trap pyroelectric detector with the INM-France cryogenic absolute radiometer at 632.8 nm by Touayar, O., Mellouki, I., Ben Achour, Z., Sifi, N., Yacoubi, N., Bastié, J.

“…A trap pyroelectric detector has been developed at the “Laboratoire de Métrologie des Rayonnements (Radiation Metrology Laboratory), LMR” to serve as a…”
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Impact of channel orientation on low frequency noise performances of UTBOX nMOSFETs operated at liquid nitrogen temperature by Nafaa, B., Cretu, B., Ismail, N., Touayar, O., Simoen, E.

“…Low frequency noise is investigated in n-type UTBOX transistors presenting different channel orientations (standard <;100> and rotated <;110>). It was observed…”
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Impact of cryogenic temperature operation on static and low frequency noise behaviors of FD UTBOX nMOSFETs by Nafaa, B., Cretu, B., Ismail, N., Touayar, O., Simoen, E.

“…Unusual peaks in the transconductance g m (V GS ) characteristics of n-channel UTBOX devices have been evidenced at 10 K and 77 K operation for an applied…”
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