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Affichage de 1651 à 1660 sur 16133

Article dans une revue

High Al-content AlGaN channel high electron mobility transistors on silicon substrate

Jash Mehta, Idriss Abid, Julien Bassaler, Julien Pernot, Philippe Ferrandis, M Nemoz, Yvon Cordier, S Rennesson, S Tamariz, F Semond, F Medjdoub

The rapidly increasing power demand, downsizing of power electronics and material specific limitation of silicon has led to development of AlGaN/GaN heterostructures. Commercial GaN power devices are best available for radio frequency (RF) and high voltage switching applications. Emerging Al x Ga 1…

e-Prime – Advances in Electrical Engineering, Electronics and Energy, 2023, 3, pp.100114. ⟨10.1016/j.prime.2023.100114⟩. ⟨hal-03952273⟩

Article dans une revue

Waste PET upcycling to conductive carbon-based composite through laser-assisted carbonization of UiO-66

Dmitry Kogolev, Oleg Semyonov, Nadezhda Metalnikova, Maxim Fatkullin, Raul Rodriguez, Petr Slepicka, Yusuke Yamauchi, Olga Guselnikova, Rabah Boukherroub, Pavel Postnikov

The upcycling of waste polymers into novel materials with high added value is a vital task for modern chemical engineering. Here, we propose diversifying waste polyethylene terephthalate (PET) upcycling to materials with enhanced photothermal properties by laser-assisted carbonization of surface-…

Journal of Materials Chemistry A, 2023, 11 (3), pp.1108-1115. ⟨10.1039/d2ta08127j⟩. ⟨hal-03952854⟩

Article dans une revue

Boron-doped carbon nanowalls for fast and direct detection of cytochrome C and ricin by matrix-free laser desorption/ionization mass spectrometry

I.S. Hosu, M. Sobaszek, M. Ficek, R. Bogdanowicz, Yannick Coffinier

Detecting proteins via surface assisted laser desorption/ionization mass spectrometry (SALDI-MS) method is still highly challenging, and only few examples of nanomaterials have been demonstrated to perform such detection so far. In this study, carbon nanowalls (CNWs), vertically aligned graphene…

Talanta, 2023, 252, pp.123778. ⟨10.1016/j.talanta.2022.123778⟩. ⟨hal-03767813⟩

Communication dans un congrès

Smart electrode array for cochlear implants

Ahmad Itawi, Sofiane Ghenna, Guillaume Tourrel, Sébastien Grondel, Cedric Plesse, Giao Tran Minh Nguyen, Frederic Vidal, Yinoussa Adagolodjo, Lingxiao Xun, Gang Zheng, Alexandre Kruszewski, Christian Duriez, Eric Cattan

Cochlear implants made of standard silicone electrode array (EA) are currently used to stimulate the auditory nerve of patients’ cochlea. The implants have a proximal diameter of 0.5mm and 2~3cm long composed of 20 bulk platinum electrodes and connection wires (Ø 25µm). Due to their stiffness and…

36th International Conference on Micro Electro Mechanical Systems (IEEE MEMS 2023), IEEE, Jan 2023, München, Germany. 4 p., ⟨10.1109/MEMS49605.2023.10052348⟩. ⟨hal-03946253⟩

Article dans une revue

High-Speed Uni-Travelling-Carrier Photodiodes on Silicon Nitride.

Dennis Maes, Sam Lemey, Gunther Roelkens, Mohammed Zaknoune, Vanessa Avramovic, Etienne Okada, Pascal Szriftgiser, Emilien Peytavit, Guillaume Ducournau, Bart Kuyken

Integrated photonics is an emerging technology for many existing and future tele- and data communication applications. One platform of particular interest is Silicon Nitride (SiN) thanks to - amongst others - its very low-loss waveguides. However, it lacks active devices, such as lasers, amplifiers…

APL Photonics, 2023, 8 (1), 016104, 6 p. ⟨10.1063/5.0119244⟩. ⟨hal-03917866⟩

Article dans une revue

SuperpixelGridMasks Data Augmentation: Application to Precision Health and Other Real-world Data

Karim Hammoudi, Adnane Cabani, Bouthaina Slika, Halim Benhabiles, Fadi Dornaika, Mahmoud Melkemi

A novel approach of data augmentation based on irregular superpixel decomposition is proposed. This approach called SuperpixelGridMasks permits to extend original image datasets that are required by training stages of machine learning-related analysis architectures towards increasing their…

Journal of Healthcare Informatics Research, 2023, 6, pp.442-460. ⟨10.1007/s41666-022-00122-1⟩. ⟨hal-03951542⟩

Thèse

Preparation of photothermal nanomaterials for water treatment, Préparation de nanomatériaux photothermiques pour la purification d'eau

Go Inoue

Solar interfacial evaporation has recently emerged as a solution to alleviate the water shortage of our century in an environmentally-friendly way. However, the low efficiency of water-steam conversion, the high cost for the preparation of the evaporator, and the scarcity of raw materials are major…, L'évaporation interfaciale solaire est apparue récemment comme une solution pour pallier la pénurie d'eau de notre siècle de manière écologique. Cependant, la faible efficacité de la conversion eau-vapeur, le coût élevé de la préparation de l'évaporateur et la rareté des matières…

Micro and nanotechnologies/Microelectronics. Université de Lille, 2023. English. ⟨NNT : 2023ULILN002⟩. ⟨tel-04528742⟩

Thèse

Effet de la paromomycine sur le développement du parasite Cryptosporidium parvum : des méthodes standards de détection à la spectroscopie d'impédance, comment accélérer les méthodes de criblage des molécules à visée thérapeutique ?, Effect of paromomycin on the development of the parasite Cryptosporidium parvum : from standard methods of detection to impedance spectroscopy, how to accelerate drug screening method ?

Anne-Charlotte Lenière

Les parasites du genre Cryptosporidium sont les agents pathogènes responsables d'une maladie gastro-entérique marquée par des diarrhées sévères : la cryptosporidiose. Cette infection peut devenir fatale chez les individus les plus fragiles (enfants en bas âge, personnes âgées ou…, Cryptosporidium is a protozoan parasite which infects a wide range of hosts including Human Beings and has a global presence. Cryptosporidium is the etiologic agent of cryptosporidiosis, a disease characterized by profuse diarrhea. In vulnerable patients (infants, old people or immunodeficient…

Micro et nanotechnologies/Microélectronique. Université de Lille, 2023. Français. ⟨NNT : 2023ULILN007⟩. ⟨tel-04324754⟩

Thèse

Improving cooperative non-orthogonal multiple access (CNOMA) and enhancing the physical layer security (PLS) for beyond 5G (B5G) and future eHealth wireless networks, Amélioration des techniques d'accès multiple non-orthogonales coopératives (CNOMA) et renforcement de la sécurité de la couche physique pour les systèmes sans fil au-delà de la 5G (B5G) et des futurs réseaux de eSanté

Anis Amazigh Hamza

The fifth generation of cellular networks (5G) was a real revolution in radio access technologies and mobile networks, presenting itself as the breakthrough generation that allowed the coexistence of extremely diversified applications and usage scenarios, unified under the same standard.…, La cinquième génération de réseaux cellulaires (5G) a été une véritable révolution des technologies du réseau d'accès radio et du réseau mobile de base, se présentant comme la génération de rupture qui permet la cohabitation d'applications et usages extrêmement diversifiés, unifiés au…

Micro and nanotechnologies/Microelectronics. Université Polytechnique Hauts-de-France, 2023. English. ⟨NNT : 2023UPHF0006⟩. ⟨tel-04037829⟩

Article dans une revue

Photocatalytic Partial Oxidation of Methane to Carbon Monoxide and Hydrogen over CIGS Solar Cell

Chunyang Dong, Di Yu, Karima Ben Tayeb, Pardis Simon, Ahmed Addad, Martine Trentesaux, Danilo Oliveira de Souza, Sergei Chernyak, Deizi V Peron, Amelle Rebai, Jean-François Guillemoles, Xavier Wallart, Bruno Grandidier, Andrei Y Khodakov, Negar Naghavi, Ordomsky V.

Methane valorization is one of the main challenges in the modern chemical industry. However, existing processes require high reaction temperatures. The alternative photocatalytic routes for methane valorization at ambient conditions would be highly attractive. Today, photovoltaic (PV) generation of…

Applied Catalysis B: Environmental, 2023, 325, pp.122340. ⟨10.1016/j.apcatb.2022.122340⟩. ⟨hal-03924564⟩