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Affichage de 81 à 90 sur 16556

  • 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

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

The use of inertial sensors in sports: A bibliometric network and cluster analysis

Lucio Caprioli, Cristian Romagnoli, Leonardo Della Loggia, Amani Najlaoui, Francesca Campoli, Ida Cariati, Saeid Edriss, Roberto Bonanni, Arthur Paté, Delphine Chadefaux, Virginia Tancredi, Elvira Padua, Giuseppe Annino, Vincenzo Bonaiuto

Inertial sensors have become significant tools for assessing human movement due to their ability to provide precise data on acceleration, velocity, and orientation in a non-invasive manner. This bibliometric analysis examines the evolving landscape of scientific literature on the use of Inertial…

Smart Health, 2026, 41, pp.100690. ⟨10.1016/j.smhl.2026.100690⟩. ⟨hal-05701149⟩

  • Chapitre d'ouvrage

ALD pour le stockage électrochimique de l'énergie

Maxime Legallais, Chiara Crivello, Jérémie Chaillou, Christophe Lethien

Face aux limites des batteries lithium-ion (coût, sécurité, ressources), de nouvelles technologies comme les batteries tout-solide ou à base de sodium sont étudiées. Leur performance dépend fortement de la qualité des interfaces électrode-électrolyte. Le dépôt par couche atomique (ALD) permet de…

ALD pour le stockage électrochimique de l'énergie, Techniques de l'Ingénieur, pp.RE282 - TIP958WE, 2026, ⟨10.51257/a-v1-re282⟩. ⟨hal-05796784⟩

  • Article dans une revue

Effect of metal/semiconductor interface on the resistance of a nonalloyed p-GaN/Ni–Au contact

Jules Duraz, Hassen Souissi, Maksym Gromovyi, David Troadec, Téo Baptiste, Géraldine Hallais, Nathaniel Findling, Phuong Vuong, Rajat Gujrati, Thi May Tran, Jean-Paul Salvestrini, Maria Tchernycheva, Suresh Sundaram, Abdallah Ougazzaden, Gilles Patriarche, Sophie Bouchoule

The formation of an ohmic p-contact represents a critical step in the processing of GaN-based devices such as light-emitting diodes (LEDs). Thermal annealing in an O2-containing atmosphere at high temperature of a GaN/Ni–Au contact is mostly used today, while nonannealed contacts have been reported…

Journal of Vacuum Science & Technology B Microelectronics and Nanometer Structures, 2026, 44 (5), pp.052208. ⟨10.1116/6.0005634⟩. ⟨hal-05751075⟩

  • Article dans une revue

Strain- and confinement-induced topological phases in noncentrosymmetric wurtzite HgTe

Antoine Hage, Jing Li, Christophe Delerue

While three-dimensional Dirac semimetals have been extensively studied in centrosymmetric materials such as Cd3As2 and Na3Bi , the recent colloidal synthesis of wurtzite HgTe (wz-HgTe) opens new opportunities for exploring topological quantum phases in noncentrosymmetric systems. Building on recent…

Physical Review Research, 2026, 8 (3), pp.033323. ⟨10.1103/5pj7-34v4⟩. ⟨hal-05754313⟩

  • 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

Colocalized photonic and phononic topological edge states in silicon membrane structures

Nouh Krai, Gaëtan Lévêque, Bahram Djafari-Rouhani, Yan Pennec

Topological wave transport has become an important area of research in photonic and phononic systems, providing new insights into wave propagation and enabling promising technological applications. Although photons and phonons share common features in periodic media, they are fundamentally…

Physical Review Applied, 2026, 26 (2), pp.024071. ⟨10.1103/s457-7wbk⟩. ⟨hal-05742883⟩

  • Rapport

Technical Report NF-PERSEUS 2024

Charbel Abdel Nour, Cedric Adjih, Anis Hamzah Amazig, Karine Amis, Xavier Bégaud, Rim Berro, Jean-Pierre Cances, Sylvain Collardey, Matthieu Crussière, Mounir Dabouz, Christophe Delaveaud, David Demmer, Joseph Doumit, Marco Di Renzo, Catherine Douillard, Antoine Durant, Hajar El Hassani, Joumana Farah, Davy Gaillot, Alexandre Giry, Claire Goursaud, Maxime Guillaud, Fatima Hamdar, Mohamed Yassine Hentati, Raneem Jafaar, Anne-Claire Lepage, Didier Le Ruyet, Asma Mabrouk, Valérian Mannoni, Vahid Meghdadi, Jérémy Nadal, Nhu-Huan Nguyen, Pascal Pagani, Germain Dang-Kien Pham, Romain Piron, Balakrishna Prabhu, Ala Sharaiha, Eric Pierre Simon, Pascal Xavier

<div><p>This is the second deliverable D2 "Technical Report NF-PERSEUS 2024". This document provides an overview of the progress of the studies undertaken in NF-PERSEUS project and their progress by the end of 2024.</p><p>Chapter 1 delves into the advantages of…

ANR (Agence Nationale de la Recherche - France). 2026. ⟨cea-05725397⟩

  • Article dans une revue

Assessment of AlGaN channel high-electron mobility transistors on silicon for high-temperature power electronics

Julien Bassaler, Jash Mehta, Stéphanie Rennesson, Fabrice Semond, Sylvie Contreras, Julien Pernot, Yvon Cordier, Farid Medjdoub, Philippe Ferrandis

Wide and ultrawide bandgap semiconductors present novel opportunities for advancing power electronics, particularly in domains where high-voltage operation and elevated temperature stability are required. In this context, AlGaN/AlGaN heterostructures emerge as promising candidates due to their…

Applied Physics Letters, 2026, 129 (8), pp.083506. ⟨10.1063/5.0326014⟩. ⟨hal-05742914⟩