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Affichage de 241 à 250 sur 16228

Article dans une revue

Human Vision‐Adapted Semitransparent Organic Solar Cells for Multicolored Architectural Application

Zhouyi Lu, Baozhong Deng, Zhengnan Lin, Gaoyu Dai, Luqiao Yin, Gaëtan Lévêque, Bruno Grandidier, Furong Zhu, Tao Xu

Abstract Semitransparent organic solar cells (ST‐OSCs) offer significant potential for building‐integrated energy harvesting combined with daylight transmission. However, simultaneously achieving high power conversion efficiency (PCE) and perceptually accurate color rendition remains challenging.…

Advanced Functional Materials, 2025, ⟨10.1002/adfm.202520191⟩. ⟨hal-05509130⟩

Communication dans un congrès

Digital Predistortion of D-Band Power Amplifiers Using AI-Based Nonlinearity Compensation

Hiba Alqasir, Justine Mauro, Ihsen Alouani, Iyad Dayoub

This paper presents the first demonstration of a neural network-based digital predistortion (DPD) architecture for compensating nonlinearities in real D-band power amplifiers (PAs). The proposed method employs two separate models to independently correct amplitude (AM/AM) and phase (AM/PM)…

2025 IEEE Middle East Conference on Communications and Networking (MECOM), Nov 2025, Cairo, Egypt. pp.1-6, ⟨10.1109/MECOM67453.2025.11439105⟩. ⟨hal-05620573⟩

Article dans une revue

Sierpiński carpet-inspired hierarchical patterning of porous materials for sound absorption

S. Kuznetsova, F. Allein, V.F. Dal Poggetto, F-X Bécot, M Miniaci

Efficient sound absorption at low and mid frequencies is essential for mitigating anthropogenic noise but remains a scientific and engineering challenge. While porous materials are effective at medium and high frequencies, they typically require considerable thickness to absorb low-frequency sound…

npj Acoustics, 2025, 1, pp.25. ⟨10.1038/s44384-025-00023-8⟩. ⟨hal-05393314⟩

Communication dans un congrès

Accommodation of highly mismatched III-V semiconductors by nanoscale selective area growth

Ludovic Desplanque, C Barbot, W Khelifi, C Coinon, M Berthe, Y Deblock, D Troadec, X Wallart, B Grandidier, G Patriarche, Qianqian Lan, Ph Ebert, N Chaize, P.-H Jouneau, H Sellier

<div><p>Semiconductors with a low electron effective mass and a strong spin-orbit interaction, such as indium arsenide (InAs) and indium antimonide (InSb), are particularly appealing for the fabrication of advanced electronic and quantum devices. However, their development for…

Conférence MATEPI 2025, Nov 2025, Villeneuve-d'Ascq, France. ⟨hal-05502360⟩

Article dans une revue

Energy minimizing capacitated covering vehicle routing problem

Milena Vukićević, Mustapha Ratli, Atika Rivenq, Raca Todosijević, Bassem Jarboui

This paper introduces the Energy Minimizing Covering Capacitated Vehicle Routing Problem, which aims to minimize total energy consumed during delivery routes while satisfying customers’ demands. The problem considers a homogeneous fleet of identical vehicles stationed at a central depot and…

Applied Soft Computing, 2025, 183, pp.113620. ⟨10.1016/j.asoc.2025.113620⟩. ⟨hal-05215104⟩

Article dans une revue

Gated Attention-Augmented Double U-Net for White Blood Cell Segmentation

Ilyes Benaissa, Athmane Zitouni, Salim Sbaa, Nizamettin Aydin, Ahmed Chaouki Megherbi, Abdellah Zakaria Sellam, Abdelmalik Taleb-Ahmed, Cosimo Distante

Segmentation of white blood cells is critical for a wide range of applications. It aims to identify and isolate individual white blood cells from medical images, enabling accurate diagnosis and monitoring of diseases. In the last decade, many researchers have focused on this task using U-Net, one…

Journal of Imaging, 2025, 11 (11), pp.386. ⟨10.3390/jimaging11110386⟩. ⟨hal-05393584⟩

Article dans une revue

The impact of defect density on a CGS/CIGS tandem solar cell’s performance

D. Achouri, A. Aissat, S. Dupont, M.H. Dhaou, F. Saidi, J.-P. Vilcot

Copper Indium Gallium Selenide (CIGS) solar cells became a leading thin-film photovoltaic device because of their stability, relatively low production costs, and high efficiency, particularly when used in tandem configurations. A monolithic tandem cell is proposed in this paper. Copper Gallium…

Solar Energy, 2025, 301, pp.113997. ⟨10.1016/j.solener.2025.113997⟩. ⟨hal-05308788⟩

Article dans une revue

A robust determination of the effective thermal conductivity of a multilayer Si3N4/SiO2 stack using multiple heater geometries in the 3-omega method

Qingyu Tian, Abdelaziz Elass, Othmane Marbouh, Fabrice Goutier, Abdelkrim Talbi, Michael Depriester

Multilayer dielectric thin films are fundamental components in modern microelectronic and photonic devices where thermal management is critical. This work presents a robust methodological framework for accurately determining the cross-plane effective thermal conductivity (κeff,⊥) of such complex…

Review of Scientific Instruments, 2025, 96 (11), pp.114901. ⟨10.1063/5.0293656⟩. ⟨hal-05389916⟩

Article dans une revue

Robust FD-DFE equalization for optical OTFS-based NOMA multi-user MIMO in visible light communication systems

Mohamed El Jbari, Mohamed Moussaoui, Atika Rivenq, Houda Bel Mokadem

Visible Light Communication (VLC) has emerged as a promising indoor optical wireless communication (IOWC) solution, complementing traditional RF systems by offering high-speed and cost-effective data transmission. However, challenges such as limited modulation bandwidth in multi-user (MU) VLC…

Optics and Laser Technology, 2025, 190, pp.113214. ⟨10.1016/j.optlastec.2025.113214⟩. ⟨hal-05217378⟩

Article dans une revue

Computer vision in warehouse management automation: A survey on implemented methods with prototyping hardware

Chaouki Tadjine, Abdelkrim Ouafi, Azeddine Benlamoudi, Abdelmalik Taleb-Ahmed

In the context of the fourth industrial revolution, warehouse management systems are increasingly integrating advanced computer vision technologies, such as Autonomous Mobile Robots (AMRs), drones, Unmanned Aerial Vehicles (UAVs), robotic arms, and smart glasses. Despite their growing adoption, a…

Engineering Applications of Artificial Intelligence, 2025, 160, pp.111886. ⟨10.1016/j.engappai.2025.111886⟩. ⟨hal-05208300⟩