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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

Efficiency improvement of thin film CuIn1-xGaxSe2 structure for solar cells applications

A. Benahmed, A. Aissat, B. Ayachi, N. Sfina, F. Saidi, Jean-Pierre Vilcot

In this paper, the CuInGaSe2 based solar cell optimization has been established. We have simulated the structural strain effect. The effect of gallium concentration on the optical properties and the quantum external efficiency EQE was investigated. We also optimized the concentration x at low…

Micro and Nanostructures, 2024, 188, pp.207801. ⟨10.1016/j.micrna.2024.207801⟩. ⟨hal-04506618⟩

Article dans une revue

High-speed and acceleration micrometric jets induced by GHz streaming: A numerical study with direct numerical simulations

Virginie Daru, Bjarne Vincent, Michael Baudoin

Gigahertz acoustic streaming enables the synthesis of localized microjets reaching speeds of up to meters per second, offering tremendous potential for precision micromanipulation. However, theoretical and numerical investigations of acoustic streaming at these frequencies remain so far relatively…

Journal of the Acoustical Society of America, 2024, 155 (4), pp.2470-2481. ⟨10.1121/10.0025462⟩. ⟨hal-04675016v2⟩

Article dans une revue

[Review] Deep learning techniques for hyperspectral image analysis in agriculture: A review

Mohamed Fadhlallah Guerri, Cosimo Distante, Paolo Spagnolo, Fares Bougourzi, Abdelmalik Taleb-Ahmed

In recent years, there has been a growing emphasis on assessing and ensuring the quality of horticultural and agricultural produce. Traditional methods involving field measurements, investigations, and statistical analyses are labour-intensive, time-consuming, and costly. As a solution,…

ISPRS Open Journal of Photogrammetry and Remote Sensing, 2024, 12, pp.100062. ⟨10.1016/j.ophoto.2024.100062⟩. ⟨hal-04536952⟩

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

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

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⟩