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Affichage de 21 à 30 sur 16184

Article dans une revue

Quantum Coherent Transport of 1D Ballistic States in Second-Order Topological Insulator Bi4⁢Br4

Jules Lefeuvre, Masaru Kobayashi, Gilles Patriarche, Nathaniel Findling, David Troadec, Meydi Ferrier, Sophie Guéron, Hélène Bouchiat, Takao Sasagawa, Richard Deblock

We investigate quantum transport in micrometer-sized single crystals of Bi$_4$Br$_4$, a material predicted to be a second-order topological insulator. 1D topological states with long phase coherence times are revealed via the modulation of quantum interferences with magnetic field and gate voltage…

Physical Review X, 2026, 16 (1), pp.011031. ⟨10.1103/2bqq-t7ml⟩. ⟨hal-04970280⟩

Article dans une revue

Inflammatory stimulus enhances synaptic material uptake by adult APP microglia in a microfluidic neuron–microglia co-culture model

Dolores Siedlecki-Wullich, Anne-Marie Ayral, Lukas Iohan, Célia Lemeu, Valérie Buiche, Karine Blary, Julien Chapuis, Fanny Eysert, Delphine Beury, Myriam Delacre, David Hot, Takahiro Masuda, Klaus-Peter Knobeloch, Marco Prinz, Jean-Charles Lambert, Devrim Kilinc

Microglia play a critical role in synapse remodeling and neuroinflammation, both of which are dysregulated in Alzheimer’s disease (AD). However, most in vitro models rely on neonatal or immortalized microglia, limiting their relevance to adult pathophysiological context. Here, we present a…

Journal of Neuroinflammation, 2026, 23 (1), pp.75. ⟨10.1186/s12974-026-03748-9⟩. ⟨hal-05552197⟩

Article dans une revue

Synthesis and characterization of vertical diode based on organic P-N heterojunction with rectification behavior

Khaldi Wassim, Chatbouri Samir, Ferchichi Khaoula, Boubaker Aimen, Kalboussi Adel, Kamal Lmimouni

In this paper, we report a combined experimental and theoretical study on an organic diode heterostructure based on n-type polymer, N2200, and p-type, pentacene, junction. First the device under investigation was fabricated and characterized. The structure exhibits rectifying diode behavior with a…

Applied physics. A, Materials science & processing, 2026, 132 (3), pp.178. ⟨10.1007/s00339-026-09292-w⟩. ⟨hal-05524929⟩

Thèse

Étude et développement d’un réseau véhiculaire hybride pour la perception augmentée des Véhicules Autonomes, Study and development of hybrid vehicular network to increase the perception of Autonomous Vehicles

Mohamed Amine BOUZAIDI TIALI

Avec l’essor des véhicules autonomes dans l’industrie automobile, les exigences en matière de perception embarquée ont considérablement évolué. Les systèmes de localisation par GPS et les capteurs multimodaux embarqués (Caméras, Radars, LIDARs) ne suffisent plus à garantir une perception fiable et…, With the growing presence of autonomous vehicles in the automotive market, the demands on perception systems have significantly evolved. Traditional GPS-based localization and onboard multimodal perception (Cameras, Radars, LIDARs) are no longer sufficient to ensure reliable and comprehensive…

Systèmes embarqués. Université Polytechnique Hauts-de-France; Institut national des sciences appliquées Hauts-de-France, 2026. Français. ⟨NNT : 2026UPHF0010⟩. ⟨tel-05514475⟩

HDR

[HDR] Jets, Bulles, Films et Particules : quelques problèmes aux interfaces libres, [HDR] Jets, Bubbles, Films and Particles: some problems at free interfaces

Alexis Duchesne

Les travaux présentés dans ce mémoire d’HDR sont la synthèse de sept années de recherche centrées sur la compréhension expérimentale de phénomènes impliquant des interfaces libres, des interactions fluide/solide, ainsi que des effets thermiques. Ce manuscrit développe une approche fondée sur des…, The work presented in this HDR manuscript is the synthesis of seven years of research focused on the experimental understanding of phenomena involving free interfaces, fluid/solid interactions, and thermal effects. This manuscript develops an approach based on simple yet revealing experiments,…

Physique [physics]. Université de Lille, 2026. ⟨tel-05480238⟩

Article dans une revue

Torricelli’s Opera Geometrica (1644): Methods, Procedures, and the Structure of Mathematical Proof

Raffaele Pisano, Paolo Bussotti

This historical–scientific essay is written in the context of the scholarly celebrations marking the 380th anniversary of the publication of Evangelista Torricelli’s Opera Geometrica (1644–2024), and forms part of recent international initiatives devoted to a renewed historical and…

Torricelliana , In press, ⟨10.1007/s10699-025-10023-2⟩. ⟨hal-05523713⟩

Article dans une revue

The Role of Absolute Space in Newton's Physics

Raffaele Pisano, Paolo Bussotti

In this paper, we examine Newton’s concept of absolute space. We aim at clarifying: (1) the reasons that led Newton to introduce this notion; (2) the arguments he used to justify its existence; (3) the relationship between absolute space and the principle of inertia; and (4) the role of absolute…

Foundations of Science, 2026, IDTC Special Issue. Newton's Principia & Newtonian Mechanics: Foundations, Heritage, Methodology, Editions, Popularization and Nature of Science Teaching Newton, ⟨10.1007/s10699-025-10023-2⟩. ⟨hal-05071124⟩

Article dans une revue

Microfabricated alkali-vapor cells with tunable He - Ne buffer-gas mixture using reservoirs with laser-actuated break seals

Clément Carlé, Andrei Mursa, Gabriel Faure, Shervin Keshavarzi, Quentin Tanguy, Emmanuel Klinger, Vincent Maurice, Rodolphe Boudot, Nicolas Passilly

We report on the generation of a tunable buffer-gas mixture within microfabricated alkali-vapor cells. We show that the combination of low-permeation windows with sequential openings of laser-actuated break seals enables adjustment of a He -Ne noble gas mixture, fully compatible with alkali-metal…

Physical Review Applied, 2026, 25 (2), pp.024017. ⟨10.1103/wyz6-rntk⟩. ⟨hal-05524751⟩

Article dans une revue

High quality-factor terahertz phonon-polaritons in layered lead iodide

Cristiane Santos, Flávio Feres, Théo Hannotte, Romain Peretti, Mathias Vanwolleghem, Sophie Eliet, Benjamin Walter, Marc Faucher, Adrian Cernescu, Raul Freitas, Jean-François Lampin

While hyperbolic phonon-polaritons in van der Waals materials such as h-BN and α-MoO3 have driven major advances in mid-infrared (IR) nanophotonics, further progress at longer THz wavelengths has been hampered due to material limitations and experimental challenges. Here, we report the discovery of…

Nature Communications, 2026, ⟨10.1038/s41467-026-69027-6⟩. ⟨hal-05532452⟩

Pré-publication, Document de travail

Towards Polyoxometalate Nanoelectronics

Dominique Vuillaume, Anna Proust

Polyoxometalates form a large family of molecular oxide clusters of the early transition metals with unique and tunable properties (multi-redox, thermal and chemical robustness, magnetic). We review more than 30 years of experimental research on the electron transport properties of polyoxometalates…

2026. ⟨hal-05491371⟩