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Affichage de 521 à 530 sur 15697

Article dans une revue

Elliptic pillars based metasurface for elastic waves focusing in a plate

L. Carpentier, A. Gueddida, G. Lévêque, R. Alcorta-Galvan, C. Croënne, M. Miniaci, B. Djafari-Rouhani, Y. Pennec

In this paper, the ability of a metasurface made of resonant elliptical pillars to focus flexural Lamb waves in the sub-wavelength regime is investigated. We report on the influence of the ellipticity parameter on the local resonances of the pillars, in particular the monopolar compressional and…

APL Materials, 2024, 12 (4), ⟨10.1063/5.0193284⟩. ⟨hal-04545915⟩

Article dans une revue

Dual MPO/PR3 ANCA positivity and vasculitis: insights from a 7-cases study and an AI-powered literature review

Eléonore Bettacchioli, Jean-Baptiste Foulquier, Baptiste Chevet, Emilie Cornec-Le Gall, Catherine Hanrotel, Luca Lanfranco, Claire de Moreuil, Yannick Lambert, Maryvonne Dueymes, Nathan Foulquier, Divi Cornec

Objectives - Anti-neutrophil cytoplasm antibodies (ANCA)-associated vasculitides (AAV) are rare conditions characterized by inflammatory cell infiltration in small blood vessels, leading to tissue necrosis. While most patients with AAV present antibodies against either myeloperoxidase (MPO) or…

Rheumatology, 2024, 63 (9), pp.2557-2568. ⟨10.1093/rheumatology/keae170⟩. ⟨hal-04586294⟩

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⟩

Communication dans un congrès

Twinning for graphene-based composites in EMI shielding

Svetlana Jovanovć, Dejan Kepić, Miroslav Huskić, Muhammad Yasir, Kamel Haddadi

In the era of intensive development of microelectronics, energy, and car industries along with Radio-Frequency (RF) telecommunications, the pollution caused by Electromagnetic Waves (EWs) is ever-present. EW interferences (Electromagnetic Interference-EMI) exhibit perturbation and negative impact…

ExcellMater Conference 2024, Apr 2024, Belgrade, Serbia. pp.79. ⟨hal-04608096⟩

Article dans une revue

Le programme de recherche "Electronique" présente trois premières avancées marquantes

Frédéric Monflier, Damien Querlioz, Daniel Brunner, Elisa Vianello, Nicolas Tiercelin, Sophie Giroud, Guillaume Ducournau

Du 18 au 22 mars 2024 se sont déroulées, à Grenoble, les premières journées scientifiques des PEPR Electronique et Réseaux du futur, officialisés en 2023. L’occasion pour les chercheurs de faire un premier bilan d’étape, avec plusieurs résultats scientifiques marquants à la clé. La rédaction d’…

L'Usine Nouvelle, 2024, N2210403. ⟨hal-04867547⟩

Article dans une revue

Dynamic micromechanical measurement of the flexural modulus of micrometre-sized diameter single natural fibres using a vibrating microcantilever technique

Ali Reda, Thomas Dargent, Steve Arscott

The dynamic response of a structure is a manifestation of its inherent characteristics, including material density, mechanical modulus, thermo- and viscoelastic properties, and geometric properties. Together, these factors influence how the material behaves in dynamic scenarios, dictating its…

Journal of Micromechanics and Microengineering, 2024, 34 (1), pp.015009. ⟨10.1088/1361-6439/ad124e⟩. ⟨hal-04526995⟩

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⟩

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

Challenges in the synthesis & optical characterization of 2D ferroelectric Ba0.85Ca0.15Ti0.9Zr0.1O3 by RF sputtering

Yusuf K Bostan, Florian Jean, Denis Remiens, Jing Hua Teng, El Hadj Dogheche

Ferroelectric materials, such as BaTiO₃ and (Ba,Ca)(Ti,Zr)O₃ (BCTZ), are essential in modern technology, thanks to their permanent electrical dipoles and unique properties like piezoelectricity. These lead-free perovskites are especially valuable, offering tunability for advanced applications such…

Mardi des Chercheurs, Mar 2024, Mons, Belgium. 2024. ⟨hal-04622518⟩

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⟩

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