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Affichage de 511 à 520 sur 15872

  • Thèse

Déformations de systèmes plasmoniques : application aux nanocapteurs de déformations, Deformations of plasmonic systems : application to strain nanosensors

Najat Ahmidayi

Basée sur l'exploitation des propriétés optiques des nanoparticules métalliques en combinaison avec des matériaux flexibles, la plasmomécanique a émergé récemment comme un sous-domaine de la nano-optomécanique. Les systèmes plasmomécaniques permettant de mesurer les contraintes mécaniques…, Based on the exploitation of the optical properties of metallic nanoparticles in combination with flexible materials, plasmonomechanics has recently emerged as a subfield of nano-optomechanics. Plasmonomechanical systems, which enable the measurement of mechanical strains applied to flexible…

Micro et nanotechnologies/Microélectronique. Université de Lille, 2024. Français. ⟨NNT : 2024ULILN022⟩. ⟨tel-04834253⟩

  • Communication dans un congrès

High performance fully vertical GaN on Silicon PIN diodes for next generation power devices

Youssef Hamdaoui, Sondre Michler, Katir Ziouche, Christophe Detavernier, F Medjdoub

<div><p>The existing Silicon-and Silicon carbide-based devices do not fulfill all the needs for next generation power generation due to physical limits and high cost of fabrication, respectively. On the other hand, Gallium nitride grown on silicon substrate offers superior physical…

15th Topical Workshop on Heterostructure Microelectronics, Aug 2024, Sendai, Japan. ⟨hal-04762081⟩

  • Communication dans un congrès

A Compact Dual Circularly Polarized MIMO Antenna with Controlled Slots for 5G Wireless Applications Across mm-Wave Spectrum

Hassan Zakeri, Mohammad Veysi, Gholamreza Moradi, Mohammad Alibakhshikenari, Patrizia Liveri, Tayeb Denidni, Slawomir Marcin Koziel, Iyad Dayoub, Ernesto Limiti

This work presents a two-port circularly polarized multiple inputs multiple outputs (MIMO) antenna proposed for 5G mm-wave applications. This antenna consists of four low profiles slotted compact circular microstrip patch antenna with a partial ground and parasitic element for signal exchange in 5G…

2024 17th United Conference on Millemetre Waves and Terahertz Technologies (UCMMT), Aug 2024, Palermo, Italy. pp.194-198, ⟨10.1109/UCMMT62975.2024.10737774⟩. ⟨hal-04839934⟩

  • Article dans une revue

Omnidirectional Optical Engineering and Ternary Strategy for High‐Performance Indoor Organic Photovoltaics

Kaiwen Zheng, Baozhong Deng, Zhouyi Lu, Luqiao Yin, Shenghao Wang, Hongliang Dong, Esther Mbina, Kekeli N'Konou, Bruno Grandidier, Tao Xu

Indoor organic photovoltaics (IOPVs) with tunable absorption spectra and relatively high power conversion efficiency (PCE) have emerged as one of the most promising energy sources for Internet of Things devices, but enhancing the device performance under various directions of indoor illumination is…

Solar RRL, 2024, ⟨10.1002/solr.202400483⟩. ⟨hal-04679575⟩

  • Communication dans un congrès

Growth and characterization of perovskite BaTiO3 thin film for optics and photonics applications

Nour Al Meselmene, Arash Nemati, Pan Ji Sheng, Liu Yuanda, Karim Dogheche, Denis Remiens, El Hadj Dogheche, Jinghua Teng

A tetragonal barium titanate (BTO) thin film of high crystal quality with a c-axis oriented out of the plane was successfully grown at 500℃ on the strontium titanate(100) substrate using the physical vapor deposition technique. It showed epitaxial growth with a dense morphology and a low full width…

Nanoengineering: Fabrication, Properties, Optics, Thin Films, and Devices XXI, Aug 2024, San Diego, United States. 4 p., ⟨10.1117/12.3027290⟩. ⟨hal-04802268⟩

  • Article dans une revue

Facial Age Estimation Using Multi-Stage Deep Neural Networks

Salah Eddine Bekhouche, Azeddine Benlamoudi, Fadi Dornaika, Hichem Telli, Yazid Bounab

<div><p>Over the last decade, the world has witnessed many breakthroughs in artificial intelligence, largely due to advances in deep learning technology. Notably, computer vision solutions have significantly contributed to these achievements. Human face analysis, a core area of computer…

Electronics, 2024, 13, ⟨10.3390/electronics13163259⟩. ⟨hal-04690021⟩

  • Article dans une revue

On-chip topological beamformer for multi-link terahertz 6G to XG wireless

Wenhao Wang, Yi Ji Tan, Thomas Caiwei Tan, Abhishek Kumar, Prakash Pitchappa, Pascal Szriftgiser, Guillaume Ducournau, Ranjan Singh

Terahertz (THz) wireless communication holds immense potential to revolutionize future 6G to XG networks with high capacity, low latency and extensive connectivity. Efficient THz beamformers are essential for energy-efficient connections, compensating path loss, optimizing resource usage and…

Nature, 2024, 632, pp.522 - 527. ⟨10.1038/s41586-024-07759-5⟩. ⟨hal-04672455⟩

  • Article dans une revue

Uncalibrated camera approach for vehicle speed estimation using detection and tracking

Donald Mouafo, Ulrich Biaou

The availability of cheap and high-quality digital cameras has fostered their deployment on the roads for traffic monitoring as part of Intelligent Transport System. Implementing accurate vehicle speed estimation solution exploiting traffic surveillance footage from such widespread cameras…

Signal, Image and Video Processing, 2024, 18, pp.8819-8827. ⟨10.1007/s11760-024-03509-2⟩. ⟨hal-04672553⟩

  • Chapitre d'ouvrage

Auto-weighted Multi-view Clustering with Unified Binary Representation and Deep Initialization

Khamis Houfar, Fadi Dornaika, Djamel Samai, Azeddine Benlamoudi, Khaled Bensid, Abdelmalik Taleb-Ahmed

Clustering, as an integral part of exploratory data analysis, has gained renewed attention due to the prevalence of multi-representational or multi-view real-world data. However, its application becomes increasingly challenging in the face of large and heterogeneous datasets. Notably, existing…

Advances in Data Clustering, In: Dornaika, F., Hamad, D., Constantin, J., Hoang, V.T. (eds) Advances in Data Clustering, Springer Nature Singapore, pp.129-156, 2024, ⟨10.1007/978-981-97-7679-5_8⟩. ⟨hal-05085246⟩

  • Article dans une revue

Quantum computers, quantum computing, and quantum thermodynamics

Fabrizio Cleri

Quantum thermodynamics aims to extend standard thermodynamics and non-equilibrium statistical physics to systems with sizes well below the thermodynamic limit. It is a rapidly evolving research field that promises to change our understanding of the foundations of physics, while enabling the…

Frontiers in Quantum Science and Technology, 2024, 3, ⟨10.3389/frqst.2024.1422257⟩. ⟨hal-04683476⟩

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