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Affichage de 501 à 510 sur 16094

Article dans une revue

Experimental observation of mutual coupling in resonator array on thin-metal-film

Surya Revanth Ayyagari, Simonas Indrišiūnas, Alexey Basharin, Vytautas Janonis, Daniil Pashnev, Guillaume Ducournau, Polina Kuzhir, Irmantas Kašalynas

We present the experimental observation of electromagnetic mutual coupling in an array of ring-shaped resonators (meta-atoms) fabricated on a free-standing thin metal film using a maskless direct laser ablation technique. The transmission spectra of various resonator configurations were measured…

Journal of Applied Physics, 2025, 137 (1), ⟨10.1063/5.0245081⟩. ⟨hal-04885168⟩

Article dans une revue

Investigating Impacts of Local Pressure and Temperature on CVD Growth of Hexagonal Boron Nitride on Ge(001)/Si

Max Franck, Jarek Dabrowski, Markus Andreas Schubert, Dominique Vignaud, Mohamed Achehboune, Jean‐françois Colomer, Luc Henrard, Christian Wenger, Mindaugas Lukosius

The chemical vapor deposition (CVD) growth of hexagonal boron nitride (hBN) on Ge substrates is a promising pathway to high-quality hBN thin films without metal contaminations for microelectronic applications, but the effect of CVD process parameters on the hBN properties is not well understood yet…

Advanced Materials Interfaces, 2025, 12 (1), pp.2400467. ⟨10.1002/admi.202400467⟩. ⟨hal-05216562⟩

Article dans une revue

FRET-based mesoporous organosilica nanoplatforms for in vitro and in vivo anticancer two-photon photodynamic therapy

Nicolas Bondon, Clément Charlot, Lamiaa Ali, Alexandre Barras, Nicolas Richy, Denis Durand, Yann Molard, Grégory Taupier, Erwan Oliviero, Magali Gary-Bobo, Frédéric Paul, Sabine Szunerits, Nadir Bettache, Jean-Olivier Durand, Christophe Nguyen, Rabah Boukherroub, Olivier Mongin, Clarence Charnay

Design of multifunctional photoactive periodic mesoporous organosilica nanoparticles integrating chromphores for FRET-based two photon excitation fluorescence and photodynamic therapy.

Journal of materials chemistry‎ B, 2025, ⟨10.1039/D4TB02103G⟩. ⟨hal-04863058⟩

Communication dans un congrès

Ondes Élastiques Topologiquement Guidées pour l’Haptique de Surface

Massaï Hatoumva, Charles Croënne, Bertrand Dubus, Arthur Paté, Marco Miniaci, Florian Allein, Frédéric Giraud

Les cristaux phononiques topologiques marquent une avancée majeure dans le contrôle des ondes élastiques en permettant la synthèse de modes localisés spécifiques (états de bords). Si les propriétés de ces modes font actuellement l’objet de nombreuses études, la question de leur perception haptique…

CFA 2025 - 17e Congrès Français d'Acoustique, Société Française d'Acoustique (SFA), Apr 2025, Paris, France. ⟨hal-05365341v2⟩

Pré-publication, Document de travail

Strain energy harvesting performances of piezoelectric composite transducers in rolling tires: a numerical study

Arthur Givois, Florian Allein, Hung Le Khanh, Hervé Dietsch, Charles Croënne, Bertrand Dubus

<div><p>Tire-pavement contact is responsible for mechanical strain energy which can be used to power autonomous smart devices in the context of automotive industry. Power harvesting capabilities of piezoelectric composites included in the host structure are numerically evaluated from…

2025. ⟨hal-05361358⟩

Article dans une revue

Terahertz time-domain ellipsometry with spintronic emitters: Pauli coefficients as a superior alternative to Jones and Mueller matrices

Pierre Koleják, Jiaming Liu, Robin Silber, Martin Mičica, Ondřej Ballada, Čestmír Barta, Romain Lebrun, Nicolas Tiercelin, Mathias Vanwolleghem, Kamil Postava

We introduce terahertz complete time-domain spectroscopic ellipsometry (THz-cTDSE), extending traditional ellipsometry by determining full Jones and Mueller matrices for in-depth material characterization. This marks the first application of spintronic terahertz emitters in ellipsometry, achieving…

IEEE Transactions on Terahertz Science and Technology, 2025, pp.1-17. ⟨10.1109/TTHZ.2025.3559074⟩. ⟨hal-05065593⟩

Article dans une revue

Copper-decorated porous silicon for the bimodal detection of DMMP, a sarin simulant, by FT-IR spectroscopy and matrix-free laser desorption ionization mass spectrometry

Warda Raiah, Mohammed Guendouz, Parastesh Piratesh, Vincent Thomy, Joël Charrier, Yannick Coffinier

The release of organophosphates into the natural environment may directly and indirectly affect human health and cause severe damage to environmental ecosystems, thus raising global concern. In addition, some of these organophosphorus compounds (OPs) have been weaponized. Among them, Sarin, which…

Microchemical Journal, 2025, 217, ⟨10.1016/j.microc.2025.115034⟩. ⟨hal-05241214⟩

Article dans une revue

Bi‐LORA : A Vision‐Language Approach for Synthetic Image Detection

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

Advancements in deep image synthesis techniques, such as generative adversarial networks (GANs) and diffusion models (DMs), have ushered in an era of generating highly realistic images. While this technological progress has captured significant interest, it has also raised concerns about the high…

Expert Systems, 2025, 42 (2), ⟨10.1111/exsy.13829⟩. ⟨hal-04881973⟩

Article dans une revue

In situ Investigation of 1T′/1H Phase Transition in Colloidal WS₂ Monolayers

Dario Mastrippolito, Ashkan Shahmanesh, Mariarosa Cavallo, Erwan Bossavit, Iman Laqchaa El Abed, Corentin Dabard, Shalini Singh, Mathieu Silly, Francesco Capitani, Nemanja Peric, Louis Biadala, Andrea Zitolo, José Avila, Francesco Carlà, Cesare Tresca, Emmanuel Lhuillier, Benoit Mahler, Debora Pierucci

Controlling the crystal phase of two-dimensional transition metal dichalcogenides (TMDs) is essential for tailoring their electronic and optical properties. Among the polymorphs of WS₂, the metastable 1T′ phase exhibits semimetallic or narrow-bandgap character and hosts quantum functionalities…

Nanoscale, 2025, ⟨10.1039/D5NR03092G⟩. ⟨hal-05329170⟩

Communication dans un congrès

Validation expérimentale d’un banc de mesure acoustique de raquette de padel

Thomas Daney, Arthur Paté, Jean-Loïc Le Carrou, Delphine Chadefaux

Actuellement, le choix de remplacer une raquette de padel repose sur des critères subjectifs. De plus, le vieillissement de la raquette pourrait avoir des répercussions sur la santé du joueur et sur les performances de la raquette. Le son rayonné de l'impact d'une balle sur une raquette…

CFA 2025 - 17e Congrès Français d'Acoustique, Société Française d'Acoustique (SFA), Apr 2025, Paris, France. ⟨hal-05365994⟩