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Affichage de 4761 à 4770 sur 16261

Article dans une revue

Interface thermal behavior in nanomaterials by thermal grating relaxation

Pier Luca Palla, Sonia Zampa, Évelyne Martin, Fabrizio Cleri

We study the relaxation of a thermal grating in multilayer materials with interface thermal resistances. The analytical development allows for the numerical determination of this thermal property in Approach to Equilibrium Molecular Dynamics and suggests an experimental setup for its measurement.…

International Journal of Heat and Mass Transfer, 2019, 131, pp.932-943. ⟨10.1016/j.ijheatmasstransfer.2018.11.064⟩. ⟨hal-02128371⟩

Article dans une revue

Entrapment of uropathogenic E. coli cells into ultra-thin sol-gel matrices on gold thin films: A low cost alternative for impedimetric bacteria sensing

Hamed Jafari, Mandana Amiri, Esmat Abdi, Saeid Latifi Navid, Julie Bouckaert, Roxana Jijie, Rabah Boukherroub, Sabine Szunerits

Bacterial infections are causing worldwide morbidity and mortality. One way to limit infectious outbreaks and optimize clinical management of infections is through the development of fast and sensitive sensing of bacteria. Most sensing approaches are currently based on immunological detection…

Biosensors and Bioelectronics, 2019, 124-125 (11n12), pp.161-166. ⟨10.1016/j.bios.2018.10.029⟩. ⟨hal-02373240⟩

Chapitre d'ouvrage

Chapter 4 - Magnons in nanometric discrete structures

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

A fundamental understanding of nanoscaled materials has become an important challenge for any technical applications. For magnetic nanoparticles, the investigations are in particular stimulated by the magnetic storage devices. In this chapter we present, in the frame of the discrete dipole…

Magnonics: interface transmission tutorial book series, pp.143-183, 2019, ISBN 978-0-12-813366-8 ; e-ISBN 978-0-12-813367-5. ⟨10.1016/B978-0-12-813366-8.00004-2⟩. ⟨hal-03356767⟩

Article dans une revue

Scanning tunneling state recognition with multi-class neural network ensembles

O. Gordon, P. d'Hondt, L. Knijff, S. E. Freeney, F. Junqueira, P. Moriarty, I. Swart

One of the largest obstacles facing scanning probe microscopy is the constant need to correct flaws in the scanning probe in situ. This is currently a manual, time-consuming process that would benefit greatly from automation. Here, we introduce a convolutional neural network protocol that enables…

Review of Scientific Instruments, 2019, 90 (10), pp.103704. ⟨10.1063/1.5099590⟩. ⟨hal-03133846⟩

Communication dans un congrès

Glioblastoma migration along constraints with different geometries: how to mimick brain parenchyma invasion?

Mehmet Tarhan, Alexandre Mutel, Laurence Desrues, Dominique Collard, Hélène Castel

A microfluidic device is demonstrated to analyze glioblastoma migration along constraints with precisely designed geometries. This in-vitro model reveals physiologically relevant glioma invasion scenarios: full migration along constraints, suspended motion by extreme constriction, and limited…

The 23rd International Conference on Miniaturized Systems for Chemistry and Life Sciences (µTAS 2019), Oct 2019, Basel, Switzerland. ⟨hal-02303630⟩

Article dans une revue

Sensitivity to Dispersion Forces in First-Principles Modeling of Disordered Chalcogenides

Carlo Massobrio, Évelyne Martin, Ziyad Chaker, Mauro Boero, Assil Bouzid, Sébastien Le Roux, Guido Ori

The inclusion of dispersion (van der Waals, vdW) forces in first-principles modeling of disordered chalcogenides is analyzed and critically discussed in view of their impact on the atomic structure. To this purpose we considered the case of glassy GeTe4. We selected a vdW correction (termed vdWG…

Frontiers in Materials. Computational Materials Science section, 2018, 5, ⟨10.3389/fmats.2018.00078⟩. ⟨hal-02312708⟩

Thèse

Structures périodiques et désordonnées pour l’absorption des ondes électromagnétiques, Periodic and disordered structures for the absorption of electromagnetics waves

Nicolas Fernez

L’absorption des ondes électromagnétiques est un objectif suscitant beaucoup d’intérêt de nos jours notamment pour les applications en furtivité dans le domaine militaire, mais également dans le domaine civil pour limiter l’exposition aux signaux de communication sans fil et pour préserver l’…, Absorption of electromagnetic power arouses a lot of interest not solely for stealth applications in military domain, but also in civil life to reduce the exposure to wireless communication signals and to preserve the totality of exchanged information. Absorbers designing for low frequency domain…

Micro et nanotechnologies/Microélectronique. Université de Lille, 2018. Français. ⟨NNT : 2018LILUI081⟩. ⟨tel-03621958⟩

Thèse

Étude par microscopie à sonde locale des propriétés électriques de monocouches auto-assemblées de molécules photo-commutables sur substrats ferromagnétiques, C-AFM study of photoswitchable Self-Assembled Monolayers on ferromagnetic substrates

Louis Thomas

Ce manuscrit traite du transport à travers des monocouches auto-assemblées (self-assembled monolayers, SAMs) de molécules photoisomérisables greffées sur des matériaux ferromagnétiques (FMs) pour des applications à la frontière de l'électronique moléculaire et de la spintronique. Ces systèmes…, This thesis focuses on electrical transport through self-assembled monolayers (SAMs) of photoisomerisable compounds grafted on ferromagnetic materials (FMs) for applications at the frontier between molecular electronics and spintronics. These systems have been characterized by conductive atomic…

Micro et nanotechnologies/Microélectronique. Université de Lille, 2018. Français. ⟨NNT : 2018LILUI086⟩. ⟨tel-02771798v2⟩

Article dans une revue

THz-TDS time-trace analysis for the extraction of material and metamaterial parameters

Romain Peretti, Sergey Mitryukovskiy, Kevin Froberger, Aniss Mebarki, Sophie Eliet Eliet-Barois, Mathias Vanwolleghem, Jean-Francois Lampin

We report on a method and an associated open source software, Fit@TDS, working on an average personal computer. The method is based on the fitting of a time-trace data of a terahertz time-domain-spectroscopy system enabling the retrieval of the refractive index of a dielectric sample and the…

IEEE Transactions on Terahertz Science and Technology, 2018, 9 (2), ⟨10.1109/TTHZ.2018.2889227⟩. ⟨hal-01903521v6⟩

Thèse

Caractérisation hyperfréquence sous pointes de nano-dispositifs : métrologie et instrumentation, On-wafer microwave characterization of nano-devices : metrology and instrumentation

Khadim Daffé

Dans un contexte de développement spectaculaire des nano-objets, il est nécessaire de développer des moyens de caractérisation électrique haute fréquence sous pointes adaptés aux petites échelles. En particulier, deux verrous instrumentaux doivent être levés. D’une part, la principale difficulté…, In the frame of the spectacular development of nano-objects, innovative on-wafer electrical measurement methods must be addressed at the nanoscale. In particular, two main issues have been identified. On one hand, nano-devices exhibit very high dynamic impedance in contrast with conventional…

Micro et nanotechnologies/Microélectronique. Université de Lille, 2018. Français. ⟨NNT : 2018LILUI080⟩. ⟨tel-03611248⟩