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Affichage de 3161 à 3170 sur 16149

Article dans une revue

Selective GaN sublimation and local area regrowth for co-integration of enhancement mode and depletion mode Al(Ga)N/GaN high electron mobility transistors

Thi Huong Ngo, Rémi Comyn, Sébastien Chenot, Julien Brault, Benjamin Damilano, Stéphane Vézian, Eric Frayssinet, Flavien Cozette, Christophe Rodriguez, Nicolas Defrance, François Lecourt, Nathalie Labat, Hassan Maher, Yvon Cordier

In this paper, we report on the fabrication of a normally-off Al(Ga)N/GaN high electron mobility transistor with selective area sublimation under vacuum of the p type doped GaN cap layer. This soft method makes it possible to avoid damages otherwise induced by post processing with reactive ion…

Semiconductor Science and Technology, 2021, 36 (2), pp.024001. ⟨10.1088/1361-6641/abcbd3⟩. ⟨hal-03035072⟩

Article dans une revue

Effect of damping on magnetic induced resonances in cross waveguide structures

Abdelkader Mouadili, El Houssaine El Boudouti, Abdellatif Akjouj, Housni Al-Wahsh, Bahram Djafari-Rouhani, L. Dobrzynski

We consider, in the frame of long-wavelength Heisenberg model, a simple magnetic device consisting of two dangling side stubs grafted at the same site along a waveguide. This simple structure is designed to obtain bound in continuum (BIC) modes, magnonic induced transparency (MIT) and magnonic…

Journal of Superconductivity and Novel Magnetism, 2021, 34 (2), pp.597-608. ⟨10.1007/s10948-020-05742-5⟩. ⟨hal-03322501⟩

Article dans une revue

2DEG transport properties over temperature for AlGaN/GaN HEMT and AlGaN/InGaN/GaN pHEMT

Md. Abdul Kaium Khan, Mohammad Abdul Alim, Christophe Gaquière

For the commercial implementation of GaN-based high electron mobility transistor (HEMT) and GaN-based pseudomorphic HEMT (pHEMT), the temperature dependency of the two-dimensional electron gas (2DEG) is crucial. Herein, the temperature dependency of 2DEG for AlGaN/GaN HEMT and AlGaN/InGaN/GaN pHEMT…

Microelectronic Engineering, 2021, 238, pp.111508. ⟨10.1016/j.mee.2021.111508⟩. ⟨hal-03124392⟩

Article dans une revue

Effect of In0.70Ga0.30As quantum dot insertion in the middle cell of InyGa1-yP/InxGa1-xAs/Ge triple-junction for solar cells

Abdelkader Aissat, Said Nacer, Jean-Pierre Vilcot

This paper focuses on the simulation and optimization of electrical and structural properties of high efficiency InGaP/InGaAs/Ge triple junction solar cells that incorporate In0.7Ga0.3As quantum dots with in the GaAs middle cell material. Current density-voltage (J-V), external quantum efficiency (…

Superlattices and Microstructures, 2021, 149, pp.106760 -. ⟨10.1016/j.spmi.2020.106760⟩. ⟨hal-03493013⟩

Article dans une revue

Anti-biofilm activity of dodecyltrimethylammonium chloride microcapsules against Salmonella enterica serovar Enteritidis and Staphylococcus aureus

Simon Khelissa, Adem Gharsallaoui, Jian Wang, Emilie Dumas, Alexandre Barras, Charafeddine Jama, Fouzia Jbilou, Noureddine Loukili, Nour-Eddine Chihib

Dodecyltrimethylammonium chloride (DTAC) was trapped into maltodextrins/pectin spray dried microcapsules to improve its activity against Salmonella enteritidis and Staphylococcus aureus biofilms. Two different microcapsules were prepared: uncomplexed DTAC-microcapsules (UDM), containing DTAC and…

Biofouling, 2021, 37 (1), pp.49-60. ⟨10.1080/08927014.2021.1873958⟩. ⟨hal-04770965⟩

Article dans une revue

Anti-biofilm activity of dodecyltrimethylammonium chloride microcapsules against Salmonella enterica serovar Enteritidis and Staphylococcus aureus

Simon Khelissa, Adem Gharsallaoui, Jian Wang, Emilie Dumas, Alexandre Barras, Charafeddine Jama, Fouzia Jbilou, Noureddine Loukili, Nour-Eddine Chihib

Dodecyltrimethylammonium chloride (DTAC) was trapped into maltodextrins/pectin spray dried microcapsules to improve its activity against Salmonella enteritidis and Staphylococcus aureus biofilms. Two different microcapsules were prepared: uncomplexed DTAC-microcapsules (UDM), containing DTAC and…

Biofouling, 2021, Biofouling, 37 (1), pp.49-60. ⟨10.1080/08927014.2021.1873958⟩. ⟨hal-03127835⟩

Article dans une revue

Intertrack surface losses in miniature coplanar waveguide on silicon-on-insulator

Jaouad Marzouk, Vanessa Avramovic, S. Arscott

Attenuation has been studied in different-sized coplanar waveguides (CPW) patterned onto silicon-on-insulator (SOI) for three different surfaces between the CPW tracks: a silicon dioxide/silicon interface, a hydrogen-terminated silicon surface, and a native oxide. For large-gap CPW (signal track…

Journal of Physics D: Applied Physics, 2021, 54 (4), pp.045102. ⟨10.1088/1361-6463/abbc36⟩. ⟨hal-03094146⟩

Thèse

Développement d’un système de culture in vitro 3D et microfluidique pour étudier les interactions tumeur-stroma et la résistance aux drogues de l’adénocarcinome du pancréas, Development of a 3D in vitro microfluidic culture system to study tumor-stroma interactions and drug resistance of pancreatic adenocarcinoma

Frédérick De Miollis

Le cancer du pancréas est l’un des cancers les plus mortels avec un pronostic extrêmement sombre. En 2020, le taux de survie à 5 ans reste très faible (de 3 à 9 % seulement) et la médiane de survie est de moins de 6 mois. Malgré des progrès dans la prise en charge des patients, les thérapies…, Pancreatic cancer is one of the deadliest cancers with an extremely poor prognosis. In 2020, the 5-year survival rate remains very low (only 3 to 9%) and the median is less than 6 months. Despite significant progress in the patient care, current therapies do not have the expected effectiveness.…

Micro et nanotechnologies/Microélectronique. Université de Lille, 2021. Français. ⟨NNT : 2021LILUI015⟩. ⟨tel-03368338⟩

Thèse

Développement d'un dispositif microfluidique pour la photoporation de cellules biologiques à hauts débits, Devlopment of a microfluidic device for high throughput photoporation of biological cells

Majid Layachi

La transfection de cellules vise à injecter du matériel génétique dans des cellules biologiques vivantes. L'incorporation intracellulaire de molécules exogènes est un processus nécessaire en diagnostique et une étape clef dans la thérapie génique. Ces enjeux nécessitent des performances en…, Cell transfection aims at introducing foreign material inside a biological living cell. This intracellular drug transport process is at the heart of many diagnosis procedures and a key step in gene therapy. In view of these stakes, high performances are of importance, namely the success rate (…

Micro et nanotechnologies/Microélectronique. Université de Lille, 2021. Français. ⟨NNT : 2021LILUI024⟩. ⟨tel-03407223⟩

Thèse

Density of states, band offset and charge injection in one-dimensional semiconductor nanostructures studied with multiple probes scanning tunneling microscopy, Densité d'états, alignement de bande et injection de charges dans des nanostructures semiconductrices uni-dimensionnelles étudiées par microscopie à effet tunnel à pointes multiples

Nemanja Peric

The traditional transistor miniaturization is resulting in devices experiencing quantum effects. Rather than fighting these effect by developing new architectures of conventional silicon-based devices, the long-term solution might be in revisiting existing knowledge of these fundamental concepts…, La miniaturisation continue des composants électroniques a atteint un seuil au-delà duquel les effets quantiques deviendront prépondérants. Plutôt que de vouloir supprimer ces effets, il peut être intéressant de les mettre à profit. Mais ce changement de perspective nécessite d’avoir une…

Micro and nanotechnologies/Microelectronics. Université de Lille, 2021. English. ⟨NNT : 2021LILUI025⟩. ⟨tel-03430762⟩