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Affichage de 561 à 570 sur 16228

Article dans une revue

The 2024 phononic crystals roadmap

Yabin Jin, Daniel Torrent, Bahram Djafari-Rouhani, Liangshu He, Yanxun Xiang, Fu-Zhen Xuan, Zhongming Gu, Haoran Xue, Jie Zhu, Qian Wu, Guoliang Huang, Pedro David García, Guillermo Arregui, Yi Chen, Sébastien Guenneau, Martin Wegener, Muamer Kadic, Yongquan Liu, Jensen Li, Yue-Sheng Wang, Antonio Palermo, V Romero-García, S Kuznetsova, É Cheron, M Lázaro Navarro, J-P Groby, V Pagneux, Simon Félix, L Garcia-Raffi, Gengkai Hu, Runcheng Cai, Timon Rabczuk, Xiaoying Zhuang, Penglin Gao, Yegao Qu, I Mahmoud Hussein, Masahiro Nomura, Yan Pennec, Feiyan Cai, Xinwei Li, Wei Zhai

Over the past 3 decades, phononic crystals experienced revolutionary development for understanding and utilizing mechanical waves by exploring interaction between mechanical waves and structures. With the significant advances in manufacture technologies from nanoscale to macroscale, phononic...

Journal of Physics D: Applied Physics, 2025, 58 (11), pp.113001. ⟨10.1088/1361-6463/ad9ab2⟩. ⟨hal-04893367⟩

Article dans une revue

Deep eutectic solvent enhances antibacterial activity of a modular lytic enzyme against Acinetobacter baumannii

Aleksandra Maria Kocot, Tomasz Swebocki, Karolina Ciemińska, Adrianna Łupkowska, Małgorzata Kapusta, Dennis Grimon, Ewa Laskowska, Anna-Karina Kaczorowska, Tadeusz Kaczorowski, Rabah Boukherroub, Yves Briers, Magdalena Plotka

Abstract In this study, we evaluated the combined effect between MLE-15, a modular lytic enzyme composed of four building blocks, and reline, a natural deep eutectic solvent. The bioinformatic analysis allowed us to determine the spatial architecture of MLE-15, whose components were bactericidal...

Scientific Reports, 2025, 15 (1), pp.2047. ⟨10.1038/s41598-024-80440-z⟩. ⟨hal-04963581⟩

Autre publication scientifique

Young Professionals Events at the 2024 European Microwave Week [Young Professionals]

Samir Lagoug, Maya Alawar, Ana Inês Inácio, Anthony Ghiotto, Anne-Laure Billabert, Marina Deng, Pedro Rynkiewicz, Philippe Descamps, Valentina Palazzi

Provides society information that may include news, reviews or technical notes that should be of interest to practitioners and researchers.

2025, pp.100 - 102. ⟨10.1109/mmm.2024.3487792⟩. ⟨hal-04882235⟩

Thèse

High Resolution THz Spectroscopy Based on Frequency Combs and Optically Pumped Molecular Lasers, Spectroscopie THz à Haute Résolution Basée sur des Peignes de Fréquences et des Lasers Moléculaires Pompes Optiquement

Alexandra Khabbaz

The objective of this thesis is to study the use of frequency combs for high-resolution molecular spectroscopy in the terahertz (THz) region of the electromagnetic spectrum. This approach is based on the conversion of an optical frequency comb into the THz domain. Nevertheless, the state of the art..., L'objectif de cette thèse est d'étudier l'utilisation Peignes de fréquence pour la spectroscopie moléculaire à haute résolution dans la région du spectre électromagnétique Térahertz (THz). Cette approche est basée sur la conversion d'un peigne dans le domaine optique vers le...

Physics [physics]. Université du Littoral Côte d'Opale, 2025. English. ⟨NNT : 2025DUNK0571⟩. ⟨tel-04869248⟩

Chapitre d'ouvrage

Numerical Simulations of Methylammonium Tin Iodide-Based Perovskite Solar Cells

Mohammed Cherif Ramdani, Khadidja Rahmoun, Wissem Benaissa, Katir Ziouche

Perovskite solar cells have attracted significant attention within the scientific community due to their rapidly advancing performance. In particular, inorganic perovskite devices are renowned for their remarkable performance and enduring stability.This study introduces a device optimization...

Technological and Innovative Progress in Renewable Energy Systems, Springer Nature Switzerland, pp.339-344, 2025, Advances in Science, Technology & Innovation, ISBN 978-3-031-71925-7. ⟨10.1007/978-3-031-71926-4_59⟩. ⟨hal-04990775⟩

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

A Sub-400-nW Real-Time Event-Driven Spectrogram Extraction Unit in 28-nm FD-SOI CMOS for Keyword Spotting Application

Soufiane Mourrane, Benoit Larras, Sylvain Clerc, Andreia Cathelin, Antoine Frappé

Considering the power-hungry nature of speech processing, a keyword spotting (KWS) unit, used to detect multiple spoken words, is often integrated as a front-end layer. KWS systems are always active, and thus, it is extremely important to optimize the devoted power budget. In this context, this...

IEEE Journal of Solid-State Circuits, In press, ⟨10.1109/JSSC.2024.3475948⟩. ⟨hal-04793373⟩

Pré-publication, Document de travail

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

Vision-Language Models (VLMs) like CLIP offer promising solutions for Dynamic Facial Expression Recognition (DFER) but face challenges such as inefficient full fine-tuning, high complexity, and poor alignment between textual and visual representations. Additionally, existing methods struggle with...

2025. ⟨hal-05033150⟩

Article dans une revue

Polymer-Based Microstructured Photonic Membrane for Passive Heating Textiles

Mohamed Boutghatin, Salim Assaf, Pascal Tilmant, Parastesh Pirasteh-Charrier, Bahram Djafari-Rouhani, Petr Janíček, Petr Nemec, Joël Charrier, V. Thomy, Yan Pennec, Michèle Carette

The development of textiles for personal thermal management is one of the most promising technological solutions to reduce the energy consumption in heating, ventilation, and air conditioning (HVAC) systems. These technologies offer a potentially low-cost solution that can help to limit greenhouse...

ACS Omega, 2025, 10 (36), pp.40922-40929. ⟨10.1021/acsomega.5c02006⟩. ⟨hal-05294684⟩