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Communication dans un congrès

Evaluation of the transient EM interferences impact on the clear channel assessment in Wi-Fi communications

Grecia Romero, Virginie Deniau, Eric Pierre Simon, Christophe Gransart

This paper presents a study about transient electromagnetic (EM) interferences produced by contact losses between the catenary and the pantograph and their impact on the Internet access on board trains. This study is focused on the assessment of the impact of these transient EM interferences on the...

33rd General Assembly and Scientific Symposium of the International-Union-of-Radio-Science, Aug 2020, Rome, Italy. 4 p., ⟨10.23919/URSIGASS49373.2020.9232260⟩. ⟨hal-03322809⟩

Communication dans un congrès

Scintillators from solution-processable perovskite halide single crystals or quantum dots: the good, the bad, and the ugly

M. D. Birowosuto, F. Maddalena, A. Xie, M. E. Witkowski, M. Makowski, W. Drozdowski, Philippe Coquet, Christophe Dujardin, Cuong Dang

Here we report X- and gamma-ray scintillation properties from solution-processable perovskite (SPP) halide single crystals and quantum dots. We tune the properties of single crystals by replacing the cation, changing the organic ammonium cation spacer, and varying the halide anion. For quantum dots...

Conference on Hard X-Ray, Gamma-Ray, and Neutron Detector Physics XXII, Aug 2020, San Diego, CA, United States. 1149415, 8 p., ⟨10.1117/12.2569663⟩. ⟨hal-03322816⟩

Article dans une revue

Surface Functionalization with Polyethylene Glycol and Polyethyleneimine Improves the Performance of Graphene-Based Materials for Safe and Efficient Intracellular Delivery by Laser-Induced Photoporation

Jing Liu, Chengnan Li, Toon Brans, Aranit Harizaj, Shana van de Steene, Thomas de Beer, Stefaan de Smedt, Sabine Szunerits, Rabah Boukherroub, Ranhua Xiong, Kevin Braeckmans

Nanoparticle mediated laser-induced photoporation is a physical cell membrane disruption approach to directly deliver extrinsic molecules into living cells, which is particularly promising in applications for both adherent and suspension cells. In this work, we explored surface modifications of...

International Journal of Molecular Sciences, 2020, 21 (4), pp.1540. ⟨10.3390/ijms21041540⟩. ⟨hal-03090057⟩

Article dans une revue

Channel Estimation Techniques for Millimeter-Wave Communication Systems: Achievements and Challenges

Kais Hassan, Mohammad Masarra, Marie Zwingelstein, Iyad Dayoub

The fifth-generation (5G) of cellular networks and beyond requires massive connectivity, high data rates, and low latency. Millimeter-wave (mmWave) communications is a key 5G enabling technology to meet these requirements thanks to its technical potentials that can be integrated with other 5G...

IEEE Open Journal of the Communications Society, 2020, 1, pp.1336-1363. ⟨10.1109/OJCOMS.2020.3015394⟩. ⟨hal-03455706⟩

Article dans une revue

Polymer photonic crystal membrane for thermo-regulating textile

Salim Assaf, Mohamed Boutghatin, Yan Pennec, V. Thomy, Alexander Korovin, A. Treizebre, Michèle Carette, Abdellatif Akjouj, Bahram Djafari-Rouhani

We study numerically the absorption and scattering properties of a polymer photonic membrane to thermoregulate the human body microclimate which corresponds to the area between the skin and a textile. We first show that the structuration of the absorbing photonic membrane with air holes leads to a...

Scientific Reports, 2020, 10 (1), pp.9855. ⟨10.1038/s41598-020-66731-1⟩. ⟨hal-03142220⟩

Article dans une revue

L'infini au cours des siècles

Stefano Giordano, Manon Benedito

The fascinating history of the concept of infinity is indissolubly associated with the development of religions, philosophies, mathematics and natural sciences. At the time of the first Greek philosophers, the infinity, or áperion, was a negative concept to be avoided in all rigorous statements....

K : Revue trans-européenne de philosophie et arts, 2020. ⟨hal-02947970⟩

Article dans une revue

Proposal for an integrated silicon-photonics terahertz gas detector using photoacoustics

Mattias Verstuyft, Elias Akiki, Benjamin Walter, Marc Faucher, Jean-Francois Lampin, Mathias Vanwolleghem, Bart Kuyken

A design and multiphysical model is presented for an on-chip gas sensor that transduces terahertz gas absorption through sound generation into a mechanical motion that can be read out externally. The signal is triply enhanced by designing a structure that functions simultaneously as an optical, an...

Optics Express, 2020, 28 (15), pp.22424. ⟨10.1364/OE.397272⟩. ⟨hal-03065114⟩

Article dans une revue

Active control of the transmission of Lamb waves through an elastic metamaterial

W. Wang, B. Bonello, Bahram Djafari-Rouhani, X. Fang, Yan Pennec, J. Zhao, Y. Jin

We have numerically investigated the transmission of an antisymmetric Lamb wave through a line of silicon pillars erected onto a homogeneous silicon plate when the frequency is tuned to a resonant frequency of the pillars. For either a bending mode or a compressional mode, the resonators emit in...

Journal of Applied Physics, 2020, 128 (6), pp.065107. ⟨10.1063/5.0017526⟩. ⟨hal-02924674⟩

Communication dans un congrès

Reference-free damage localization based on pump-probe measurements

Marina Terzi, Lynda Chehami, Emmanuel Moulin, Nikolay Smagin, Vladislav Aleshin

Nondestructive testing is often based on comparison between experimental data measured on damaged and intact samples. However, properties of intact samples can change with time, temperature or other external factors. An alternative approach discussed here solely uses data obtained on a damaged...

e-Forum Acusticum, Dec 2020, Lyon, France. pp.67-72, ⟨10.48465/fa.2020.0754⟩. ⟨hal-03240303⟩

Communication dans un congrès

Subcellular imaging during single cell mechanical characterization

Deniz Pekin, Gregoire Perret, Quentin Rezard, Jean Claude Gerbedoen, Samuel Meignan, Dominique Collard, Chann Lagadec, Mehmet Tarhan

We report a method for combining confocal microscopy with single-cell mechanical characterization. This method allows investigating the effect of subcellular deformation (e.g. membranes, cytoplasm, cytoskeleton and organelles as endoplasmic reticulum, mitochondria, and nucleus) on cell mechanical...

33rd IEEE International Conference on Micro Electro Mechanical Systems (MEMS), Jan 2020, Vancouver, Canada. pp.62-65, ⟨10.1109/MEMS46641.2020.9056362⟩. ⟨hal-03322819⟩