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Affichage de 1881 à 1890 sur 16099

Article dans une revue

Nanomechanical damping via electron-assisted relaxation of two-level systems

Olivier Maillet, Dylan Cattiaux, Xin Zhou, Rasul R. Gazizulin, Olivier Bourgeois, Andrew D. Fefferman, Eddy Collin

We report on measurements of dissipation and frequency noise at millikelvin temperatures of nanomechanical devices covered with aluminum. A clear excess damping is observed after switching the metallic layer from superconducting to the normal state with a magnetic field. Beyond the standard model...

Physical Review B, 2023, 107 (6), pp.064104. ⟨10.1103/PhysRevB.107.064104⟩. ⟨hal-03007076⟩

Communication dans un congrès

Ultrafast Modulation of Polarization in Spintronic THz Emitters Enhanced by Field Induced Spin Reorientation Transition

Geoffrey Lezier, Pierre Koleják, Jean-Francois Lampin, Kamil Postava, Mathias Vanwolleghem, Nicolas Tiercelin

We demonstrate an efficient and simple modulation of the polarization in Spin-tronic Terahertz Emitters, by rapid switching of the magnetization using high-frequency magnetic field, enhanced by field induced Spin Reorientation Transition (SRT). The instability of the magnetic layer at the...

CLEO: Science and Innovations, 2023, San Jose, United States. pp.SF2I.4, ⟨10.1364/CLEO_SI.2023.SF2I.4⟩. ⟨hal-04308497⟩

Article dans une revue

Exhaled breath condensate as bioanalyte: from collection considerations to biomarker sensing

Sabine Szunerits, Hannes Dӧrfler, Quentin Pagneux, John Daniel, Shekhar Wadekar, Eloise Woitrain, Dennis Ladage, David Montaigne, Rabah Boukherroub

Since the SARS-CoV-2 pandemic, the potential of exhaled breath (EB) to provide valuable information and insight into the health status of a person has been revisited. Mass spectrometry (MS) has gained increasing attention as a powerful analytical tool for clinical diagnostics of exhaled breath...

Analytical and Bioanalytical Chemistry, 2023, 415, pp.27-34. ⟨10.1007/s00216-022-04433-5⟩. ⟨hal-03882123⟩

Article dans une revue

0D/2D Co3O4/Ti3C2 MXene Composite: A Dual-Functional Electrocatalyst for Energy-Saving Hydrogen Production and Urea Oxidation

Yi Zhang, Zhaohui Zhang, Ahmed Addad, Qi Wang, Pascal Roussel, Mohammed Amin, Sabine Szunerits, Rabah Boukherroub

Electrocatalytic water splitting to produce hydrogen (H2) is a sustainable way of meeting energy demands at no environmental cost. However, the sluggish anodic reaction imposes a considerable overpotential requirement. By contrast, the electrocatalytic urea oxidation reaction offers the prospect of...

ACS Applied Energy Materials, 2022, 5 (12), pp.15471-15482. ⟨10.1021/acsaem.2c03052⟩. ⟨hal-03918348⟩

Article dans une revue

Preparation of Flower-Shaped Co-Fe Layer Double Hydroxide Nanosheets Loaded with Pt Nanoparticles by Corrosion Engineering for Efficient Electrocatalytic Water Splitting

Zhao-Hui Zhang, Yi Zhang, Alexandre Barras, Ahmed Addad, Pascal Roussel, Long-Cheng Tang, Mohammed Amin, Sabine Szunerits, Rabah Boukherroub

The development of high-performance and cost-effective hydrogen evolution reaction (HER) and oxygen evolution reaction (OER) electrocatalysts is highly required for electrochemical water splitting. The sluggish reaction kinetics, poor stability, and complicated processing restrict the practical...

ACS Applied Energy Materials, 2022, 5 (12), pp.15269-15281. ⟨10.1021/acsaem.2c02905⟩. ⟨hal-03875848⟩

Autre publication scientifique

Correction: Redox-controlled conductance of polyoxometalate molecular junctions

Cécile Huez, David Guérin, Stéphane Lenfant, Florence Volatron, Michel Calame, Mickael Perrin, Anna Proust, Dominique Vuillaume

Correction for ‘Redox-controlled conductance of polyoxometalate molecular junctions’ by Cécile Huez et al. , Nanoscale , 2022, 14 , 13790–13800, https://doi.org/10.1039/D2NR03457C.

2022, pp.387-387. ⟨10.1039/d2nr90231a⟩. ⟨hal-03918317⟩

Article dans une revue

Tuning photoacoustics with nanotransducers via thermal boundary resistance and laser pulse duration

Michele Diego, Marco Gandolfi, Stefano Giordano, Fabien Vialla, Aurélien Crut, Fabrice Vallée, Paolo Maioli, Natalia Del Fatti, Francesco Banfi

The photoacoustic effect in liquids, generated by metal nanoparticles excited with short laser pulses, offers high contrast imaging and promising medical treatment techniques. Understanding the role of the thermal boundary resistance (TBR) and the laser pulse duration in the generation mechanism of...

Applied Physics Letters, 2022, 121 (25), pp.252201. ⟨10.1063/5.0135147⟩. ⟨hal-03926157⟩

Communication dans un congrès

Multimodal Medical Images using Rigid Iconic Registration based on Flower Pollination Algorithm and Butterfly Optimization Algorithm

Sarra Babahenini, Fella Charif, Abdelmalik Taleb-Ahmed

One of the numerous challenges of modern image processing is image registration. Information from many images often emerges in slightly different forms and is highly compatible. Spatial alignment is crucial to merge essential and valuable information from several images properly. The term "...

2022 2nd International Conference on New Technologies of Information and Communication (NTIC), Dec 2022, Mila, Algeria. pp.1-6, ⟨10.1109/NTIC55069.2022.10100397⟩. ⟨hal-04109397⟩

Thèse

THz radiation confinement using metallic micro-resonators, for spectroscopy and manipulation of single nanometric samples, Confinement de rayonnement térahertz par des micro-résonateurs métalliques, pour la spectroscopie et manipulation d’objets nanométriques uniques

Théo Hannotte

At the boundary between optics and electronics, the terahertz (THz) frequency range has seen a growing interest in applications going from high data rate telecommunication to non-destructive testing.THz spectroscopy is expected to have a valuable purpose for analyzing biological samples. However,..., A la frontière entre l'optique et l'électronique, la gamme de fréquence Térahertz (THz) attire un intérêt croissant dans des domaines allant des communications haut-débits au contrôle non destructif. La spectroscopie THz a le potentiel de constituer un outil de choix pour l'analyse d...

Micro and nanotechnologies/Microelectronics. Université de Lille, 2022. English. ⟨NNT : 2022ULILN037⟩. ⟨tel-04129855⟩

Thèse

Interfacing neurons with organic nanoelectronics : from passive microelectrodes to organic electrochemical transistors, Interfacer les neurones avec la nanoélectronique organique : des microélectrodes passives aux transistors électrochimiques organiques

Mahdi Ghazal

Electrophysiology is the science that studies the electrical properties of electrogenic cells and tissues to characterize their functionality, excitability, and interconnectivity as a network. In the quest for cracking the neural code, changing the way our technologies work to record and stimulate..., L'électrophysiologie est la science qui étudie les propriétés électriques des cellules et des tissus électrogéniques, afin de caractériser leur fonctionnalité, leur excitabilité et leur interconnectivité en tant que réseau. Dans la quête pour déchiffrer le code neuronal, il est essentiel de...

Micro and nanotechnologies/Microelectronics. Université de Lille, 2022. English. ⟨NNT : 2022ULILN036⟩. ⟨tel-04100553⟩