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Affichage de 31 à 40 sur 16432

Article dans une revue

Deep learning-assisted intelligent VLC for IoT applications: A systematic review towards digital and autonomous 6G wireless networks

Mohamed El Jbari, Zahrae Ettehamy, Mohamed Moussaoui, Atika Rivenq, Felipe a P de Figueiredo, Messaoud Ahmed Ouameur

<div><p>Recent advancements and innovative applications in visible light communication (VLC) aim to address the challenges associated with traditional waveform techniques, such as limited bandwidth and energy efficiency, while overcoming spectrum shortages in recent wireless systems...

Scientific African, 2026, 33, ⟨10.1016/j.sciaf.2026.e03556⟩. ⟨hal-05726387⟩

Pré-publication, Document de travail

STXM-XANES and TEM analysis of UltraCarbonaceous Antarctic MicroMeteorites (UCAMMs)

B Guérin, C Engrand, C. Le Guillou, H Leroux, E Dartois, J Duprat, S Bernard, K Benzerara, L Delauche, D Troadec, D. Troadec

The Concordia micrometeorite collection contains UltraCarbonaceous Antarctic MicroMeteorites (UCAMMs) of probable cometary origin. Eight FIB sections of UCAMMs were studied by Scanning Transmission X-ray Microscopy - X-ray Absorption Near Edge Structure and (Scanning)Transmission Electronic...

2026. ⟨hal-05734214⟩

Article dans une revue

Improving the efficiency and stability of solar cells based on the perovskite material CH3NH3Pb(I1-yCly)3

Kacim Hadjadj, Abdelkader Aissat, Madani Mohamed Alaa Edine, Samuel Dupont

In this paper, the physical and optical properties of the perovskite material CH3NH3Pb(I1-yCly)3 have been modeled, simulated, and optimized to enhance the efficiency and stability of the proposed solar cell. First, the effect of y on the Eg and absorption coefficient at room temperature was...

Solar Energy, 2026, 316, pp.114870. ⟨10.1016/j.solener.2026.114870⟩. ⟨hal-05705526⟩

Article dans une revue

Chamfer-engineered microcantilever probes for controlled electrical contact formation

Steve Arscott

<div><p>In miniature silicon-based microcantilever probes used for high-frequency on-wafer electrical measurements, microfabrication processes such as etching can produce sharp probe-tip edges and poorly controlled contacting geometries. During electrical contact formation, such...

Engineering Research Express, 2026, 8, pp.155353. ⟨10.1088/2631-8695/ae9511⟩. ⟨hal-05729816⟩

Article dans une revue

Visible-Light-Driven Porphyrin/ZnO Nanohybrids for Ultrasensitive Room-Temperature Triethylamine Sensing

van Duy Lai, Thi Nguyet To, Valerio Allegra, Roberto Paolesse, Gabriele Magna, Franco Biasioli, Matteo Tonezzer, Alexandro Catini, Corrado Di Natale

Abstract Real-time monitoring of toxic triethylamine (TEA) at room temperature remains a significant challenge for metal oxide chemiresistors due to their typically high-power consumption and thermal requirements. This work presents a highly responsive, visible-light-activated gas sensor based on...

ACS Applied Nano Materials, 2026, 9 (33), pp.16061-16074. ⟨10.1021/acsanm.6c02958⟩. ⟨hal-05724786⟩

Article dans une revue

Vibrational transportation of deformable axisymmetric particles

Marina Terzi, Vladislav Aleshin, Jules Ghesquiere, Vincent Tournat

A particle on a substrate supporting a surface acoustic wave can experience horizontal drift excited by the dry friction force. The effect is referred to as vibrational transportation, or as a surface acoustic wave motor, and is used in a number of industrial applications. A traditional theory of...

Physical Review E , 2026, 114 (2), pp.025502. ⟨10.1103/l37t-1qtp⟩. ⟨hal-05725187⟩

Article dans une revue

Measurement of the electrical conductivity of aqueous metal chloride solutions using a phononic crystal sensor

Fares Kanouni, Mosbah Daamouche, Ahmed Mehaney, Mahdi Rahmani, Bouras Ilyas, Hussein Elsayed, Bahram Djafari-Rouhani

Abstract This work proposes a novel approach for the measurement of electrical conductivity in aqueous solutions of transition metal chlorides, specifically CuCl 2 –water, FeCl 3 –water, and NiCl 2 –water using a phononic–fluidic sensor. Indeed, it establishes a direct correlation between...

Journal of Physics D: Applied Physics, 2026, 59 (31), pp.315304. ⟨10.1088/1361-6463/ae8ddf⟩. ⟨hal-05724996⟩

Article dans une revue

Electrochemically Tunable PEDOT:PSS Film for Surface Acoustic Wave-Based Humidity Sensing

Nour Abdallah, Alexandre Westrelin, Pierre Debavelaere, Mathieu Lefebvre, S. Hamade, Olivier Stienne, Bilel Hafsi

The increasing demand for humidity detection in both commercial and industrial applications has driven the rapid advancement of humidity sensors built on various technologies. Among these, surface acoustic wave (SAW) technology has emerged as a promising solution, thanks to its inherent advantages...

Organic Electronics, 2026, 155, pp.107430. ⟨10.1016/j.orgel.2026.107430⟩. ⟨hal-05418300v2⟩

Communication dans un congrès

Extraction of Defects Scattering Properties from Reverberating Coda Waves

Elie Farha, Lynda Chehami, Emmanuel Moulin, Nikolay Smagin

The propagation of acoustic waves in a finite medium with low attenuation results in long-duration measured signals (reverberation). In conventional non-destructive testing and imaging techniques, only the first wave packets are exploited, and the information potentially contained in the...

12th European Workshop on Structural Health Monitoring (EWSHM 2026), Jul 2026, Toulouse, France. ⟨10.58286/34029⟩. ⟨hal-05725162⟩

Article dans une revue

Toward Polyoxometalate Nanoelectronics

Dominique Vuillaume, Anna Proust

Polyoxometalates form a large family of molecular oxide clusters of the early transition metals with unique and tunable properties (multi-redox, thermal and chemical robustness, magnetic). We review more than 30 years of experimental research on the electron transport properties of polyoxometalates...

Chemical Reviews, 2026, 126 (15), pp.8599-8643. ⟨10.1021/acs.chemrev.6c00120⟩. ⟨hal-05491371v3⟩