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Affichage de 311 à 320 sur 16556

Article dans une revue

Influence of electric properties on thermal boundary conductance at metal/semiconductor interface

Quentin Pompidou, Juan Carlos Acosta Abanto, Mélanie Brouillard, Nicolas Bercu, Louis Giraudet, Rami Sheikh, Christophe Adessi, Samy Merabia, Séverine Gomés, Pierre-Olivier Chapuis, Jean-François Robillard, Mihai Chirtoc, Nicolas Horny

Recent experimental investigations have demonstrated that doping a semiconductor is a route to increase the thermal boundary conductance at metal/semiconductor interfaces. In this work, the influence of the electrical properties on heat transfer across metal/doped semiconductor junctions is...

Journal of Applied Physics, 2026, 139 (2), ⟨10.1063/5.0303997⟩. ⟨hal-05407095v2⟩

HDR

[HDR] Investigation of Electrode–Electrolyte Interfaces for Electrochemical Energy Storage Applications, [HDR] Étude des interfaces électrode-électrolyte pour les applications de stockage électrochimique de l'énergie

Wan-Yu Tsai

My HDR manuscript, titled “Investigation of Electrode–Electrolyte Interfaces for Electrochemical Energy Storage Applications,” summarizes my research over the past ten years on understanding electrode/electrolyte interfaces in supercapacitors and solid-state batteries using microscopic techniques., Mon manuscrit HDR, intitulé « Étude des interfaces électrode-électrolyte pour les applications de stockage électrochimique de l’énergie », résume mes recherches menées au cours des dix dernières années sur la compréhension des interfaces électrode/électrolyte dans les supercondensateurs et les...

Physics [physics]. Université de Lille, 2026. ⟨tel-05438552⟩

Article dans une revue

Unsupervised local learning based on voltage-dependent synaptic plasticity for resistive and ferroelectric synapses

Nikhil Garg, Ismael Balafrej, Joao Henrique Quintino Palhares, Laura Bégon-Lours, Davide Florini, Donato Francesco Falcone, Tommaso Stecconi, Valeria Bragaglia, Bert Jan Offrein, Jean-Michel Portal, Damien Querlioz, Yann Beilliard, Dominique Drouin, Fabien Alibart

The deployment of AI on edge computing devices faces significant challenges related to energy consumption and functionality. These devices could greatly benefit from brain-inspired learning mechanisms, allowing for real-time adaptation while using low-power. In-memory computing with nanoscale...

Communications Materials, 2026, 7, pp.19. ⟨10.1038/s43246-025-01033-5⟩. ⟨hal-05480282⟩

Article dans une revue

Kinematic and power analysis of a flapping-wing micro air vehicle using a Bond Graph approach

L Doan, E Cattan, S Grondel

Abstract Over the past few decades, the remarkable flight capabilities of insects have inspired extensive research into the development of flapping-wing micro air vehicles (FWMAVs). One of the primary challenges in this endeavor lies in navigating the vast spectrum of insect-inspired design options...

Engineering Research Express, 2026, 8 (1), pp.015518. ⟨10.1088/2631-8695/ae31d4⟩. ⟨hal-05473395⟩

Article dans une revue

On-chip topological leaky-wave antenna for full-space terahertz wireless connectivity

Wenhao Wang, Yi Ji Tan, Pascal Szriftgiser, Guillaume Ducournau, Ranjan Singh

The rise of topological valley photonics heralds a new era in photonic integrated circuits featuring low-loss, compact designs with robust light transport through sharp corners. However, most demonstrations of valley photonic devices only focus on the robust waveguiding of light with suppressed...

Nature Photonics, 2026, ⟨10.1038/s41566-025-01825-8⟩. ⟨hal-05473436⟩

Article dans une revue

Spectral colour changes: a promising parameter for smart flax dew retting monitoring solutions

Suvajit Mukherjee, Dmitry Galinousky, Anne- Sophie Blervacq, Lionel Buchaillot, Steve Arscott, Sébastien Grec

Natural fibres from plants such as flax (Linum usitatissimum) are gaining interest as possible green replacements of synthetic fibres to reduce textile pollution footprints. However, the extraction-facilitating process of bast fibres from the flax stem, i.e. dew retting, is still empirically...

Computers and Electronics in Agriculture, 2026, 243, pp.111407. ⟨10.1016/j.compag.2026.111407⟩. ⟨hal-05451451⟩

Article dans une revue

On the importance of Ni–Au–Ga interdiffusion in the formation of a Ni–Au/p-GaN ohmic 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

High-resolution transmission electron microscopy (TEM) coupled to energy dispersive X-ray spectroscopy (EDX) is used to clarify the exact role of Ni-Au-Ga interdiffusion mechanisms taking place during rapid thermal annealing under an oxygen atmosphere of a Ni-Au/p-GaN contact. It is shown that...

Journal of Applied Physics, 2026, 139 (2), pp.025102. ⟨10.1063/5.0295857⟩. ⟨hal-05473565v2⟩

Article dans une revue

Comment on “Influence of layer thickness on time domain Brillouin scattering oscillation amplitude in multilayer films” [J. Appl. Phys. 136, 225302 (2024)]

Simon Ayrinhac, Arnaud Devos, Benoît Rufflé, Marie Foret

Picosecond acoustics allows for the probing of multilayered nanometric structures, with applications in various fields of fundamental research. In a recent study, Zhang et al.1 have reexamined the optical cavity effect that impacts time-domain Brillouin acoustic spectroscopy (TDBS) in such systems...

Journal of Applied Physics, 2026, 139, pp.016101. ⟨10.1063/5.0284277⟩. ⟨hal-05472974⟩

Communication dans un congrès

Single-Path Precision: Differentiable Bit-Width & Numeric-Format Learning for FPGA-Efficient Neural Networks

Emanuel Trabes, Kawthar Dellel, Carlos Valderrama, Abdelmalik Taleb-Ahmed

Quantization in neural networks typically requires early commitment to a fixed numerical format—either fixed-point or floating-point—and a limited set of word sizes supported by the target hardware. This rigid choice often compromises either model accuracy or hardware efficiency. While FPGAs offer...

23rd International Conference on Image Analysis and Processing, Sep 2025, Rome, Italy. pp.424-435, ⟨10.1007/978-3-032-10192-1_35⟩. ⟨hal-05700748⟩

Communication dans un congrès

Beyond Linear Bottlenecks: Spline-Based Knowledge Distillation for Culturally Diverse Art Style Classification

Abdellah Zakaria Sellam, Salah Eddine Bekhouche, Cosimo Distante, Abdelmalik Taleb-Ahmed

Art style classification remains a formidable challenge in computational aesthetics due to the scarcity of expertly labeled datasets and the intricate, often nonlinear interplay of stylistic elements. While recent dual-teacher self-supervised frameworks reduce reliance on labeled data, their linear...

Image Analysis and Processing – ICIAP 2025, Sep 2025, Rome, Italy. pp.401-412, ⟨10.1007/978-3-032-10192-1_33⟩. ⟨hal-05700776⟩