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Affichage de 2301 à 2310 sur 15923

Article dans une revue

Stiffening of nanoporous gold: experiment, simulation and theory

Claudio Melis, Giorgio Pia, Elisa Sogne, Andrea Falqui, Stefano Giordano, Francesco Delogu, Luciano Colombo

By combining electron microscopy measurements, atomistic simulations and elastic homogenization theory, we theoretically investigate the Young’s modulus of nanoporous Au structures. Based on atomistic replicas generated starting from experimental tomographic evidence, atomistic simulations reveal…

The European Physical Journal Plus, 2022, 137 (7), pp.858. ⟨10.1140/epjp/s13360-022-03041-7⟩. ⟨hal-03741445⟩

Article dans une revue

Comparison of Brillouin Light Scattering and Density of States in a Supported Layer: Analytical and Experimental Study

Ossama El Abouti, John Cuffe, El Houssaine El Boudouti, Clivia Sotomayor Torres, Emigdio Chavez-Angel, Bahram Djafari-Rouhani, Francesc Alzina

We provide a detailed analytical calculation of the Brillouin light scattering (BLS) intensity of a layer on a substrate, taking into account both photoelastic and moving boundary (ripple effect) mechanisms, and give a comparison between BLS intensity and density of states (DOS) to determine the…

Crystals, 2022, 12 (9), pp.1212. ⟨10.3390/cryst12091212⟩. ⟨hal-03769721⟩

Article dans une revue

Redox-labelled electrochemical aptasensors with nanosupported cancer cells

S. Li, Yannick Coffinier, C. Lagadec, Fabrizio Cleri, K. Nishiguchi, A. Fujiwara, T. Fujii, S.-H. Kim, Nicolas Clement

The transfer of redox-labelled bioelectrochemical sensors from proteins to cells is not straightforward because of the cell downward force issue on the surface of the sensors. In this paper, 20-nm-thick nanopillars are introduced to overcome this issue, in a well-controlled manner. We show on both…

Biosensors and Bioelectronics, 2022, 216, 114643, 7 p. ⟨10.1016/j.bios.2022.114643⟩. ⟨hal-03768941⟩

Article dans une revue

Efficient palmprint biometric identification systems using deep learning and feature selection methods

Selma Trabelsi, Djamel Samai, Fadi Dornaika, Azeddine Benlamoudi, Khaled Bensid, Abdelmalik Taleb-Ahmed

Over the past two decades, several studies have paid great attention to biometric palmprint recognition. Recently, most methods in literature adopted deep learning due to their high recognition accuracy and the capability to adapt with different acquisition palmprint images. However, high-…

Neural Computing and Applications, 2022, 34, pp.12119-12141. ⟨10.1007/s00521-022-07098-4⟩. ⟨hal-03614754⟩

Article dans une revue

Molecular beam epitaxial growth of multilayer 2D-boron nitride on Ni substrates from borazine and plasma-activated nitrogen

Jawad Hadid, Ivy Colambo, Jose Avila, Aexandre Plaud, Christophe Boyaval, D. Deresmes, Nicolas Nuns, Pavel Dudin, Annick Loiseau, Julien Barjon, Xavier Wallart, Dominique Vignaud

2D boron nitride (2D-BN) was synthesized by gas-source molecular beam epitaxy on polycrystalline and monocrystalline Ni substrates using gaseous borazine and active nitrogen generated by a remote plasma source. The excess of nitrogen atoms allows to overcome the thickness self-limitation active on…

Nanotechnology, 2022, 34 (3), pp.035601. ⟨10.1088/1361-6528/ac99e5⟩. ⟨hal-03818640⟩

Communication dans un congrès

Smart Full-Exploitation of Beamforming Fusion assisted Spectrum Sensing for Cognitive Radio

Sarra Ben Chaabane, Kais Bouallegue, Akram Belazi, Sofiane Kharbech, Ammar Bouallegue

This paper proposes blind spectrum sensing (SS) in a narrowband context called Beamforming Fusion assisted Spectrum Sensing (BFSS). Considering a channel with angles of arrival (AoA), we jointly exploit beamforming algorithms to make decisions about the detection of users on frequency resources.…

18th International Conference on Wireless and Mobile Computing, Networking and Communications (WiMob), Oct 2022, Thessaloniki, Greece. ⟨10.1109/WIMOB55322.2022.9941584⟩. ⟨hal-04056278⟩

Communication dans un congrès

THz photonics-based transmitter using multicore fiber combined with UTC-PD array for high data transmission in 300 GHz band

Bewindin Alfred Sawadogo, Aritrio Bandyopadhyay, Malek Zegaoui, Mohammed Zaknoune, Pascal Szriftgiser, Karen Baudelle, Monika Bouet, Géraud Bouwmans, Davy Gaillot, Esben Ravn Andresen, Guillaume Ducournau, Laurent Bigot

This work aims at illuminating an UTC-PD array with a multicore fiber towards multiple THz carrier generation. This photonics-based transmitter is expected to increase either the data rate via spatial multiplexing on different carriers or the emitted THz-power and therefore the transmission reach…

SPIE Photonics Europe 2022, Terahertz Photonics II, Apr 2022, Strasbourg, France. 18, 5 p., ⟨10.1117/12.2621614⟩. ⟨hal-03741396⟩

Communication dans un congrès

Real-time Traffic Data Collection Using The Two Simulators SUMO and OMNeT++

Riham Farhani, Yassin El Hillali, Atika Rivenq, Abdelwahed Hajjaji, Yahia Boughaleb

Electric vehicles (EVs) are one of the encouraging solutions to improve energy efficiency and reduce carbon emissions in the transportation sector. Today, electric vehicles have experienced massive growth that has brought multiple benefits to the energy and transportation sectors, but they can also…

2022 11th International Symposium on Signal, Image, Video and Communications (ISIVC), May 2022, El Jadida, Morocco. pp.1-4, ⟨10.1109/ISIVC54825.2022.9800716⟩. ⟨hal-03707030⟩

Article dans une revue

Elucidating the oscillation instability of sessile drops triggered by surface acoustic waves

Nicolas Chastrette, Michael Baudoin, Philippe Brunet, Laurent Royon, Régis Wunenburger

The oscillation instability of sessile drops is ubiquitous in surface acoustic wave (SAW) -powered digital microfluidics. Yet the physics underlying these phenomena has not been elucidated owing to the complex interplay between hydrodynamics, acoustics, and capillarity. We decipher the instability…

Physical Review Fluids, 2022, 7 (12), pp.124201. ⟨10.1103/PhysRevFluids.7.124201⟩. ⟨hal-03885908v2⟩

Article dans une revue

Map-Matching-Based Localization Using Camera and Low-Cost GPS For Lane-Level Accuracy

Rahmad Sadli, Mohamed Afkir, Abdenour Hadid, Atika Rivenq, Abdelmalik Taleb-Ahmed

For self-driving systems or autonomous vehicles (AVs), accurate lane-level localization is a necessity for performing complex driving maneuvers. Classical GNSS based methods are usually not accurate enough to have lane-level localization to support the AV’s maneuvers. LiDAR-based localization can…

Procedia Computer Science, 2022, 198, pp.255-262. ⟨10.1016/j.procs.2021.12.237⟩. ⟨hal-03664756⟩