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Thèse

Optimisation de procédés de fabrication pour le développement de transistors de puissance en technologie GaN, Optimisation of manufacturing processes for the development of power transistors using GaN technology

Adrien Bidaud

Cette thèse porte sur la conception et l’optimisation de transistors de puissance en nitrure de gallium (GaN), en se concentrant sur les transistors à haute mobilité électronique latéraux (HEMTs) et les transistors MOSFETs verticaux à tranchée (V-T-MOSFETs). L’objectif est d’assurer un..., This thesis investigates the design and optimization of gallium nitride (GaN) power transistors, focusing on lateral high-electron-mobility transistors (HEMTs) and vertical trench MOSFETs (V-T-MOSFETs). The objective is to achieve robust and reliable operation in the 600–1200 V class while...

Physique [physics]. Université de Lille, 2025. Français. ⟨NNT : ⟩. ⟨tel-05400874⟩

Communication dans un congrès

Decentralized Sybil Attack Mitigation Using Bayesian-Stackelberg Games in V2X Networks

Ahmed Didouh, Mohamed Amine BOUZAIDI TIALI, Marwane Ayaida, Yassin El Hillali, Atika Rivenq

This paper proposes a novel blockchain-based framework for securing vehicular networks against Sybil attacks while maintaining scalability, decentralization, and privacy. The system leverages dynamic Proof of Location (PoL) in a game-theoretic setting, where vehicles self-organize into groups and...

GLOBECOM 2025 - 2025 IEEE Global Communications Conference, Dec 2025, Taipei, Taiwan. pp.787-792, ⟨10.1109/GLOBECOM59602.2025.11432460⟩. ⟨hal-05669587⟩

Communication dans un congrès

Enhancing SSI-ZKP Protocols with Galois element and Homomorphic function for VANETs

Mohameden Dieye, Marwane Ayaida, Yassin El Hillali

In the context of Vehicular Ad hoc Networks (VANETs), ensuring fast, secure, and privacy-preserving identity verification is a growing challenge due to the dynamic and distributed nature of such environments for VANETs. This paper proposes a novel enhancement to Self-Sovereign Identity (SSI)...

GLOBECOM 2025 - 2025 IEEE Global Communications Conference, Dec 2025, Taipei, Taiwan. pp.781-786, ⟨10.1109/GLOBECOM59602.2025.11431888⟩. ⟨hal-05669597⟩

Communication dans un congrès

A Deep Graph Learning Framework for Detecting False Data Injection Attacks in VANETs

Abdelmonom Hajjej, Sameh Najeh, Nadhir Messai, Leila Najjar, Marwane Ayaida

False emergency messages, a critical variant of False Data Injection Attacks (FDIAs) in Vehicular Ad Hoc Networks (VANETs), pose severe threats to traffic safety and undermine the reliability of intelligent transportation systems. Existing detection approaches often rely on macroscopic traffic...

GLOBECOM 2025 - 2025 IEEE Global Communications Conference, Dec 2025, Taipei, Taiwan. pp.3176-3181, ⟨10.1109/GLOBECOM59602.2025.11431743⟩. ⟨hal-05620310⟩

Article dans une revue

Thermal conductivity of suspended MBE-grown PtSe 2

Juliette Jolivet, Arkadiusz Gertych, Eva Desgué, Dominique Carisetti, Justin Rouxel, Julie Cholet, Pierre Legagneux, Mariusz Zdrojek, Henri Happy, David Brunel

Layered platinum diselenide (PtSe₂) grown by molecular beam epitaxy provides a reliable and reproducible alternative to mechanical exfoliation, making it suitable for scalable device integration. In this work, we thoroughly investigate the in-plane thermal conductivity of multilayer suspended PtSe...

2D Materials, 2025, 13 (1), pp.015015. ⟨10.1088/2053-1583/ae203a⟩. ⟨hal-05508805⟩

Article dans une revue

Tuning the optoelectronic properties and nanostructure of silicon photoelectrodes for enhancing solar fuel production

Simon Joyson Galbao, Dhruv Aggarwal, Bruno Grandidier, Dharmapura H K Murthy

Due to its broadband optical absorption and advancement in wafer-based processing technology, silicon is extensively employed in photovoltaic devices. However, the application of silicon for photoelectrochemical reactions in its wafer/bulk form is limited and has consistently demonstrated...

Communications Materials, 2025, 7, ⟨10.1038/s43246-025-01023-7⟩. ⟨hal-05474526⟩

Thèse

Bioinspired ultra-low power architectures for sound source localization and recognition, Architectures bioinspirées ultra-faible consommation pour la localisation et la reconnaissance de sources sonores

Eugénie Dalmas

Biomimetism is an increasingly widespread approach in various scientific fields. It regularly gives rise to new paradigms and, in recent years, has driven neuromorphic computing and technologies which promise significant advances in the field of information theory and unprecedented energy..., Le biomimétisme est une approche de plus en plus répandue dans les différents domaines scientifiques. Il est régulièrement la source de nouveaux paradigmes et, depuis quelques années, a impulsé le traitement et les technologies neuromorphiques qui portent la promesse d'avancées significatives...

Physics [physics]. Université de Lille, 2025. English. ⟨NNT : 2025ULILN026⟩. ⟨tel-05382138⟩

Article dans une revue

Structural, morphological and optical properties of ZnO thin films grown by time-dependent chemical bath deposition

Alphonse Déssoudji Gboglo, Mazabalo Baneto, Ognanmi Ako, Komlan Segbéya Gadedjisso-Tossou, Bruno Grandidier, Muthiah Haris, Muthuswamy Senthilkumar, Kekeli N’konou

This study investigates the effect of deposition time on the structural, morphological, and optical properties of ZnO thin films synthesized by single-step chemical bath deposition (CBD) without the use of a seed layer. The films were systematically characterized using X-ray diffraction (XRD),...

International Journal of Renewable Energy Development, 2025, 15, pp.66 - 75. ⟨10.61435/ijred.2026.61665⟩. ⟨hal-05480418⟩

Proceedings/Recueil des communications

FIDAVL: Fake Image Detection and Attribution Using Vision-Language Model

Mamadou Keita, Wassim Hamidouche, Hessen Bougueffa Eutamene, Abdelmalik Taleb-Ahmed, Abdenour Hadid

We introduce FIDAVL: Fake Image Detection and Attribution using a Vision-Language Model. FIDAVL is a novel and efficient multitask approach inspired by the synergies between vision and language processing. Leveraging the benefits of zero-shot learning, FIDAVL exploits the complementarity between...

International Conference on Pattern Recognition (ICPR 2024), 2025, Kolkata, India. 15321, pp.160-176, 2025, Included in the following conference series: International Conference on Pattern Recognition, ICPR 2024, ⟨10.1007/978-3-031-78305-0_11⟩. ⟨hal-04856920⟩

Communication dans un congrès

De la photolithographie chimique à la gravure laser : une nouvelle ère pour la réalisation de circuits RF au sein du Master Réseaux et Télécommunications

Pierre Laly, Virginie Hoel, Mahmoud Abou Daher, Fatma Khenfer- Koummich, Valentin Picquet

<div xmlns="http://www.tei-c.org/ns/1.0"><p>Ce travail présente l'intégration d'une technologie de gravure de circuits imprimés (PCB) par laser, à l'aide de la LPKF ProtoLaser H4 du pôle CNFM, dans le cadre d'un cursus Master en électronique. Cette...

18èmes journées Pédagogiques CNFM, JPCNFM 2025, Pôle CNFM de Rennes, Centre Commun de Microélectronique de l'Ouest, Dec 2025, Saint-Malo, France. ⟨hal-05400805⟩