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Affichage de 21 à 30 sur 15013

Article dans une revue

Correlated IR-SEM-TEM studies of three different grains from Ryugu: From the initial material to post-accretional processes

Alice Aléon-Toppani, Rosario Brunetto, Zélia Dionnet, Stefano Rubino, Donia Baklouti, François Brisset, Maxime Vallet, Eva Héripré, Tomoki Nakamura, Cateline Lantz, Zahia Djouadi, Ferenc Borondics, Christophe Sandt, David Troadec, Obadias Mivumbi, Megumi Matsumoto, Kana Amano, Tomoyo Morita, Hisayoshi Yurimoto, Takaaki Noguchi, Ryuji Okazaki, Hikaru Yabuta, Hiroshi Naraoka, Kanako Sakamoto, Shogo Tachibana, Toru Yada, Masahiro Nishimura, Aiko Nakato, Akiko Miyazaki, Kasumi Yogata, Masanao Abe, Tatsuaki Okada, Tomohira Usui, Makoto Yoshikawa, Takanao Saiki, Satoshi Tanaka, Fuyuto Terui, Satoru Nakazawa, Sei-Ichiro Watanabe, Yuichi Tsuda

In order to better constrain the alteration history of the Ryugu parent body, we performed a multi-analytical study combining scanning electron microscopy, transmission electron microscopy and infrared spectroscopy on sections extracted from the three fragments A0064-FO019, A0064-FO021 and C0002-…

Geochimica et Cosmochimica Acta, 2024, 371, pp.1-30. ⟨10.1016/j.gca.2024.02.006⟩. ⟨hal-04506590⟩

Article dans une revue

[Review] State of the art and future research directions of materials science applied to electrochemical biosensor developments

Erich Kny, Roger Hasler, Wiktor Luczak, Wolfgang Knoll, Sabine Szunerits, Christoph Kleber

Centralized laboratories in which analytical processes are automated to enable the analysis of large numbers of samples at relatively low cost are used for analytical testing throughout the world. However, healthcare is changing, partly due to the general recognition that care needs to be more…

Analytical and Bioanalytical Chemistry, 2024, 416, pp.2247-2259. ⟨10.1007/s00216-023-05054-2⟩. ⟨hal-04372667⟩

Article dans une revue

Stacking order and electronic band structure in MBE-grown trilayer WSe$_2$ films

Aymen Mahmoudi, Meryem Bouaziz, Niels Chapuis, Fabrice Oehler, Pavel Dudin, Davide Romanin, Gilles Patriarche, Julien Chaste, Fausto Sirotti, Xavier Wallart, Jose Avila, Abdelkarim Ouerghi

Few-layer quantum materials, such as transition-metal dichalcogenides (TMDs), are paving the path to the design of high-efficiency devices in the field of microelectronics and optoelectronics. However, heterostructures of quantum materials coming from different families, while they would immensely…

Physical Review B, 2024, 109 (11), pp.115437. ⟨10.1103/PhysRevB.109.115437⟩. ⟨hal-04543233⟩

Autre publication scientifique

Corrigendum: Dynamic micromechanical measurement of the flexural modulus of micrometre-sized diameter single natural fibres using a vibrating microcantilever technique (2024 J. Micromech. Microeng. 34 015009)

Ali Reda, Thomas Dargent, Steve Arscott

Abstract This corrigendum corrects typographic errors in the article. The corrections do not change the conclusions of the article.

2024, pp.049501. ⟨10.1088/1361-6439/ad3659⟩. ⟨hal-04539677⟩

Pré-publication, Document de travail

Self-sustained optomechanical state destruction triggered by the Kerr nonlinearity

A Delattre, I Golokolenov, R Pedurand, Xin Zhou, A Fefferman, E Collin

Cavity optomechanics implements a unique platform where moving objects can be probed by quantum fields, either laser light or microwave signals. With a pump tone driving at a frequency above the cavity resonance, self-sustained oscillations can be triggered at large injected powers. These limit…

2024. ⟨hal-04523212⟩

Poster de conférence

Identification de défauts pour le monitoring des rails

Elissa Akiki, Lynda Chehami, Nikolay Smagin, Emmanuel Moulin, Jamal Assaad, Youssef Zaatar

L’évaluation non destructive des rails est cruciale pour garantir une sécurité élevée dans le transport ferroviaire. On propose ici une méthode d’identification des sources de bruit et/ou défauts par apprentissage sur une base de données de référence. Des essais expérimentaux ont été effectués sur…, Non-destructive evaluation of rails is crucial to ensure high safety in rail transport. Here we propose a method for identifying sources of noise and/or defects by learning on a reference database. Experimental tests were carried out on a rail subjected to a force torque applied at different…

Mardi des Chercheurs 2024, Mar 2024, Mons, Belgique. ⟨hal-04542488⟩

Poster de conférence

Localisation 3D via des réseaux de capteurs en milieu électromagnétiquement perturbé: contexte de l’usine 4.0

Thomas Steve NKOLO BEKONO, Michael Bocquet, S. Baranowski

L’usine connectée, ou usine du futur, va utiliser les équipements déjà existants, les améliorer, puis les placer au cœur d’un réseau où toutes les informations pourront être échangées. Cela va mettre en évidence l’intérêt : de l’internet des objets, des robots collaboratifs (cobots), de la réalité…, The connected factory, or factory of the future, will use existing equipment, improve it and then place it at the heart of a network where all the information can be exchanged. This will highlight the benefits of the Internet of Things, collaborative robots (cobots), augmented reality, cyber-…

Mardi des chercheurs, Mar 2024, Mons, Belgique. ⟨hal-04524864⟩

Poster de conférence

Leveraging Efficient Models for Recognizing Drivers' Facial Expressions

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

Our new approach, ShuffViT-DFER, combines lightweight CNN and vision transformer models for efficient and accurate real-time driver facial expression recognition. By merging their features effectively, we outperform existing methods on benchmark datasets like KMU-FED and KDEF.

Mardi des chercheurs 2024, Mar 2024, mons, Belgium. ⟨hal-04546700⟩

Article dans une revue

EME-CNTK: Infinite Limits of Convolutional Neural Network for Urban Electromagnetic Field Exposure Reconstruction

M. Mallik, B. Allaert, E. Egea-Lopez, D.P. Gaillot, J. Wiart, L. Clavier

Electromagnetic field (EMF) exposure has grown to be a critical concern as a consequence of the ongoing installation of fifth-generation cellular networks (5G). The lack of measurements makes it difficult to accurately assess the EMF in a specific urban area, as Spectrum cartography (SC) relies on…

IEEE Access, 2024, 12, pp.49476 - 49488. ⟨10.1109/ACCESS.2024.3380835⟩. ⟨hal-04537011⟩

Article dans une revue

Design and testing of a multi-electrode apodized acousto-optic filter for arbitrary polarized light

Samuel Dupont, Jean-Claude Kastelik, Jurgen Vanhamel

We present an original acousto-optic tunable filter that is able to filter visible light from 400 to 650 nm and is designed to interact simultaneously with two polarizations. The filter shows an adjustable optical bandwidth and apodization capabilities. These features make it suitable for practical…

Applied optics, 2024, 63 (10), pp.2487. ⟨10.1364/AO.514229⟩. ⟨hal-04516407⟩