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Communication dans un congrès

Enhanced steerable thin-film electrode technology for safer cochlear implantation

Bacem Zribi, Ahmad Itawi, Thanh-Hang Tran, Cédric Plesse, Guillaume Tourrel, Sofiane Ghenna, Sébastien Grondel, Eric Cattan

During cochlear implant surgery, standard electrode arrays are surgically inserted into the scala tympani to stimulate the spiral ganglion cells and rehabilitate hearing in deaf patients. However, due to the stiffness and passive nature of the standard electrode arrays insertion into the tympanic…

EuroEAP 2026 International Conference on Soft Transducers and Electromechanically Active Polymers, EPFL, Jun 2026, Neuchâtel, Switzerland. ⟨hal-05647432⟩

Article dans une revue

Substrate-dominated RF losses in 200 mm GaN-on-Si coplanar waveguides up to 150 °C

Elodie Carneiro, François Grandpierron, Lyes Ben Hammou, Gia Ngoc Phung, Kamel Haddadi, Sondre Michler, Po Chun Hsu, Sarad B Thapa, Farid Medjdoub

We present an experimental and simulation study of radio frequency (RF) losses in gallium nitride (GaN)-on-Si coplanar waveguides (CPWs) fabricated on 200 mm GaN-on-Si(111) with high-resistivity silicon substrates. The effects of Au metallization thickness (0.5-1.5 μm), substrate resistivity, and…

AIP Advances, 2026, 16 (6), pp.065027. ⟨10.1063/5.0317639⟩. ⟨hal-05674320⟩

Article dans une revue

PE-CLIP: A Parameter-Efficient Fine-Tuning of Vision Language Models for Dynamic Facial Expression Recognition

Ibtissam Saadi, Abdenour Hadid, Douglas Cunningham, Abdelmalik Taleb-Ahmed, Yassin El Hillali

The emergence of Vision-Language Models (VLMs) like CLIP (Contrastive Language-Image Pretraining) provides appealing solutions to various vision problems including Dynamic Facial Expression Recognition (DFER). However, most of the proposed approaches face major challenges, particularly related to…

ACM Transactions on Multimedia Computing, Communications and Applications, 2026, 22 (7), pp.195. ⟨10.1145/3786789⟩. ⟨hal-05495924⟩

Article dans une revue

Tailoring oxygen vacancies via Bi substitution in LaFeO3 nanoparticles: efficient, cost-effective, and durable anode electrocatalyst for methanol oxidation reaction

Fawzi Hadji, Ouarda Ben Ali, Mourad Mebarki, Rabah Boukherroub, Kilaparthi Sravan Kumar, Mahmoud Omari, Mohammed Sadok Mahboub

The pursuit of durable and cost-effective non-noble metal-based electrocatalysts for direct methanol fuel cells remains a major challenge. To this end, a series of La1-xBixFeO3 nanoparticles with x = 0, 0.1, 0.2, and 0.3 were synthesized using modified Pechini pathway and assessed as potential…

International Journal of Hydrogen Energy, 2026, 243, pp.155641. ⟨10.1016/j.ijhydene.2026.155641⟩. ⟨hal-05645561⟩

Article dans une revue

Modeling and simulation of the InGaAs/Si quantum dot structure for solar cells applications

A. Ouaridhine, A. Aissat, M. Wadi, M.A. Benamar, S. Dupont

In this article, the impact of incorporating quantum dots based on InxGa1-xAs into the intrinsic layer of a polycrystalline silicon solar cell has been modeled and simulated. This work was carried out under the following conditions: T = 300K and AM1.5G using the SILVACO software. The strain (є)…

Journal of the Indian Chemical Society, 2026, 103 (6), pp.102657. ⟨10.1016/j.jics.2026.102657⟩. ⟨hal-05624814⟩

Article dans une revue

Acoustic Impedance of Circular Perforates Subjected to Grazing Flow

Yang Meng, Long Wu, Thomas Humbert, Gwénaël Gabard

This paper develops a semi-empirical acoustic impedance model of circular perforates under a low-Mach-number grazing air flow. The formulation combines a no-flow impedance, appropriate to the high–Strouhal-number regime, and a with-flow impedance given by the low-Strouhal-number asymptotic limit of…

AIAA Journal, 2026, 64 (6), pp.3385-3398. ⟨10.2514/1.J065690⟩. ⟨hal-05691680⟩

Article dans une revue

A comprehensive evaluation of an inertial sensor for High-Intensity shocks and vibration analysis in a real tennis context

Lucio Caprioli, Arthur Paté, Elvira Padua, Giuseppe Annino, Vincenzo Bonaiuto, Delphine Chadefaux

The use of inertial sensors (IMUs) in sport performance scenarios has increased in recent years. However, it is necessary to understand the limits of use of these systems and how far they can go in terms of measuring intense shocks and mechanical stimuli, such as impacts in racquet sports. This…

Measurement - Journal of the International Measurement Confederation (IMEKO), 2026, 280, pp.121875. ⟨10.1016/j.measurement.2026.121875⟩. ⟨hal-05701150⟩