Publications

• ART

Thermal and electrical cross-plane conductivity at the nanoscale in poly(3,4-ethylenedioxythiophene):trifluoromethanesulfonate thin films

Kirill Kondratenko, David Guérin, Xavier Wallart, Stéphane Lenfant, Dominique Vuillaume

Cross-plane electrical and thermal transport in thin films of a conducting polymer (poly(3,4-ethylenedioxythiophene), PEDOT) stabilized with trifluoromethanesulfonate (OTf) is investigated in this study. We explore their electrical properties by conductive atomic force microscopy (C-AFM), which…

Nanoscale, 2022, 14 (16), pp.6075-6084. ⟨10.1039/D2NR00819J⟩. ⟨hal-03625465⟩

• THESE

Etude de membranes photoniques dans le MIR pour le confort thermique individuel, Study of photonic membranes in the MIR for individual thermal comfort

Mohamed Boutghatin

Les vêtements sont des acteurs essentiels de notre quotidien afin de satisfaire le confort thermique du corps humain. Cependant, les vêtements conventionnels présentent généralement des performances thermiques médiocres et peu contrôlées. En effet, une variation brutale de la température de la…, Clothing is an essential part of our daily life in order to satisfy the thermal comfort of the human body. However, conventional clothing generally exhibits poor thermal performance and weakly controlled. Indeed, a sudden change in the temperature of the room considerably affects the thermal…

Micro et nanotechnologies/Microélectronique. Université de Lille, 2022. Français. ⟨NNT : 2022ULILN007⟩. ⟨tel-04112769⟩

• THESE

Antennes et métamatériaux textiles pour la récupération de l'énergie électromagnétique ambiante, Textile antennas and metamaterials for the recovery of ambient electromagnetic energy

Amine Rami Djouadi

Ce travail de thèse vise à réaliser des structures à base des métamatériaux et de métasurfaces sur des substrats flexibles (Kapton et textile) pour la récupération d’énergie électromagnétique indépendante de la polarisation de l’onde incidente. Des antennes à anneaux fendus (SRRs) et des…, This thesis work aims to produce structures based on metamaterials and metasurfaces fabricated on flexible substrates (Kapton and textile) for electromagnetic energy harvesting invariant with the incident wave polarization. Split Ring Resonators (SRRs) and metasurfaces with crossed dipoles have…

Micro et nanotechnologies/Microélectronique. Université de Lille, 2022. Français. ⟨NNT : 2022ULILN009⟩. ⟨tel-03892780⟩

• ART

Transport properties of a thin GaN channel formed in an Al0.9Ga0.1N/GaN heterostructure grown on AlN/sapphire template

Julien Bassaler, Rémi Comyn, Catherine Bougerol, Yvon Cordier, Farid Medjdoub, Philippe Ferrandis

Despite a high lateral breakdown voltage above 10 kV for large contact distances and a breakdown field of 5 MV cm −1 for short contact distances, an Al 0.9 Ga 0.1 N/GaN heterostructure with an 8 nm strained GaN channel grown on an AlN/sapphire template suffers from a low and anisotropic mobility.…

Journal of Applied Physics, 2022, 131 (12), pp.124501. ⟨10.1063/5.0077107⟩. ⟨hal-03619060⟩

• COMM

Surface engineering of stainless steel to limit dairy fouling adhesion

Manon Saget, Flavie Braud, S.J. Zapiain Merino, Luiza Azevedo-Scudeller, Guillaume Delaplace, Vincent Thomy, Yannick Coffinier, Maude Jimenez

Fouling and Cleaning in Food Processing, Mar 2022, Lille, France. ⟨hal-04455368⟩

• ART

Exploiting Non-idealities of Resistive Switching Memories for Efficient Machine Learning

Victor Yon, Amirali Amirsoleimani, Fabien Alibart, Roger Melko, Dominique Drouin, Yann Beilliard

Novel computing architectures based on resistive switching memories (also known as memristors or RRAMs) have been shown to be promising approaches for tackling the energy inefficiency of deep learning and spiking neural networks. However, resistive switch technology is immature and suffers from…

Frontiers in Electronics, 2022, 3, pp.825077. ⟨10.3389/felec.2022.825077⟩. ⟨hal-03679671⟩

• THESE

Étude et réalisation de métamatériaux acoustiques architecturés, Studies and realization of architectured acoustical metamaterial

Arthur Terroir

Dans le cadre de l'acoustique sous-marine, la détection de bâtiments est aujourd'hui un sujet largement étudié. Les revêtements de coques permettent d'échapper à cette détection mais il est nécessaire d'améliorer leurs performances pour suivre le développement des systèmes SONAR…, In the framework of underwater acoustics, detection of submerged vehicles is widely studied. Hull coatings are used to avoid such detection. Due to the enhancement of SONAR system low frequency performance, hull coatings must be improved.Acoustic metamaterials can be useful for this purpose thanks…

Micro et nanotechnologies/Microélectronique. Université de Lille, 2022. Français. ⟨NNT : 2022ULILN008⟩. ⟨tel-03892778⟩

• THESE

Guidage d'ondes de surface sur des métamatériaux textiles, Surface waveguides on textile metamaterials

Ali Ghaddar

Les travaux présentés dans cette thèse sont consacrés à l’étude du guidage d’ondes de surface sur des métamatériaux fabriqués sur textile à base de fils conducteurs. Ces études ont pour objectif principal de contribuer au développement des technologies dédiées aux ondes de surface sur des textiles…, The works shown in this thesis are devoted to the study of surface waves onto metamaterials produced in textiles by using a conductive yarn. The main objective of these studies is to promote technologies dedicated to surface waves guided onto textiles targeting wireless communications around the…

Micro et nanotechnologies/Microélectronique. Université de Lille, 2022. Français. ⟨NNT : 2022ULILN006⟩. ⟨tel-03892756⟩

• COMM

Nanorobotics and automated platform for microwave characterization of liquids using coaxial evanescent probe, Plate-forme robotisée et automatisée pour la caractérisation microonde par sonde coaxiale évanescente en milieu liquide

Ronan Petit, Mohamed Sebbache, Kamel Haddadi

A measurement platform for microwave characterization of liquids is presented. Coaxial probes using evanescent near-fields are designed and realized to mitigate the lack of spatial resolution of conventional open-ended coaxial probes. The liquid under test is placed on a XYZ piezo-based positioning…

Nano, Meso, Micro: Science and Innovation for Radio and Photonic, URSI JS22, Mar 2022, Palaiseau, France. pp.46-52. ⟨hal-03846448⟩

• COMM

Development Status of Millimeter Wave GaN Schottky Doublers above W-band for the Implementation of European Terahertz Sources for Astronomy and Astrophysics

P. Mondal, G. D. Gioia, H. Bouillaud, Yannick Roelens, T. Vacelet, L. Gatilova, Guillaume Ducournau, M. Zegaoui, M. Zaknoune, J. Treuttel

In this report we present the effort to develop high power handling and efficiency GaN-based frequency doublers required to build a 1 THz local oscillator source for instrumentation in astronomy and astrophysics. The design study focuses on identifying the key aspect to reach performances with…

Nano, Meso, Micro: Science and Innovation for Radio and Photonic, URSI JS22, Mar 2022, Palaiseau, France. pp.87-96. ⟨hal-03835088⟩