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Affichage de 5331 à 5340 sur 16261

Article dans une revue

Influence of capillarity and gravity on confined Faraday waves

S. Diwakar, Vibhor Jajoo, Sakir Amiroudine, Satoshi Matsumoto, Ranga Narayanan, Farzam Zoueshtiagh

Experiments characterizing the influence of gravity and interfacial tension on Faraday instability in immiscible, confined fluid layers are presented. The variation in interfacial tension was obtained by controlling the temperature of a suitable binary fluid pair while the influence of gravity was...

Physical Review Fluids, 2018, 3 (7), ⟨10.1103/PhysRevFluids.3.073902⟩. ⟨hal-03185122⟩

Article dans une revue

Zipping-Depinning: Dissolution of Droplets on Micropatterned Concentric Rings

José Encarnación Escobar, Erik Dietrich, S. Arscott, Harold J. W. Zandvliet, Xuehua Zhang, Detlef Lohse

The control of the surface wettability is of great interest for technological applications as well as for the fundamental understanding of surface phenomena. In this article, we describe the dissolution behavior of droplets wetting a micropatterned surface consisting of smooth concentric circular...

Langmuir, 2018, 34 (19), pp.5396-5402. ⟨10.1021/acs.langmuir.8b00256⟩. ⟨hal-02345376⟩

Article dans une revue

Propagation of elastic waves in a one-dimensional high aspect ratio nanoridge phononic crystal phononic crystal

Abdellatif Gueddida, Yan Pennec, El Houssaine El Boudouti, George Fytas, Bahram Djafari-Rouhani

We investigate the propagation of elastic waves in a one-dimensional (1D) phononic crystal constituted by high aspect ratio epoxy nanoridges that have been deposited at the surface of a glass substrate. With the help of the finite element method (FEM), we calculate the dispersion curves of the...

Applied Sciences, 2018, 8 (5), pp.805. ⟨10.3390/app8050805⟩. ⟨hal-03185603⟩

Communication dans un congrès

A broadband 4-18 GHz active quadrature hybrid

Paul Sangare, Christophe Loyez, Kevin Carpentier, Markus Mayer, Dirk Hartung, Francois Parickmiler, Nathalie Rolland

This paper presents an innovative topology of a broadband active quadrature hybrid. This novel architecture consists of a traveling wave amplifier with a unique coupling mechanism, providing amplitude flatness and low phase imbalance over the 4 - 18 GHz frequency band. Experimental results validate...

13th European Microwave Integrated Circuits Conference (EuMIC), Sep 2018, Madrid, Spain. pp.126-129, ⟨10.23919/EuMIC.2018.8539897⟩. ⟨hal-03270106⟩

Communication dans un congrès

On the two-way diamond relay channel with lattice-based Compress-and-Forward

Anne Savard, Laurent Clavier

This paper focuses on the full-duplex Gaussian two-way diamond relay channel (TWDRC), where two users wish to exchange their messages with the help of two relays, when one relay performs a lattice-based Compress-and-Forward (CF) scheme. The other relay performs either Decode-and-Forward (DF),...

IEEE Wireless Communications and Networking Conference (WCNC), Apr 2018, Barcelona, Spain. pp.1772-1777, ⟨10.1109/WCNC.2018.8377136⟩. ⟨hal-03270107⟩

Article dans une revue

Suppression of contact noise in a study on 1/ f noise as a function of film thickness in Al-doped ZnO

Abicha Achahour, Gérard Leroy, L.K.J. Vandamme, Boubakeur Ayachi, Benoît Duponchel, Nicolas Waldhoff, Karine Blary, Jean-Pierre Vilcot

Aluminum doped-zinc oxide (AZO) thin films were prepared on glass substrate by radio-frequency (RF) sputtering at room temperature. The sheet resistance, Rsh [Ω] the resistivity, ρ [Ω·cm] and the 1/f noise were studied as a function of thickness, t from 50 nm to 450 nm. The eddy current...

Thin Solid Films, 2018, 645, pp.70-76. ⟨10.1016/j.tsf.2017.10.035⟩. ⟨hal-02409513⟩

Article dans une revue

VOCs monitoring using differential microwave capacitive resonant transducer and conductive PEDOT:PSS-MWCNTs nanocomposite film for environmental applications

Prince Bahoumina, Hamida Hallil-Abbas, Jean-Luc Lachaud, Aymen Abdelghani, Kamel Frigui, Stéphane Bila, Dominique Baillargeat, Qing Zhang, Philippe Coquet, Carlos Alberto Paragua, Emmanuelle Pichonat, Henri Happy, Dominique Rebière, Corinne Dejous

This paper presents the feasibility of a low-cost fully inkjet printed capacitive microwave flexible gas sensor based on a resonant electromagnetic transducer in micro-strip technology with poly (3,4-ethylenedioxythiophene) polystyrene sulfonate and multi wall carbon nanotubes (PEDOT:PSS-MWCNTs) as...

IEEE Transactions on Nanotechnology, 2018, pp.1-15. ⟨10.1109/TNANO.2018.2828302⟩. ⟨hal-01773210⟩

Communication dans un congrès

Magnonic analogue of electromagnetic induced transparency in detuned magnetic circuit

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

A simple magnetic device consisting of two dangling side stubs grafted at the same site along a waveguide is designed to obtain a magnonic analogue of electromagnetic induced transparency (EIT) resonance. By detuning the lengths of the two stubs, a resonance can be squeezed between two transmission...

3rd International Conference on Electrical and Information Technologies, ICEIT 2017, Nov 2017, Rabat, Morocco. pp.1-5, ⟨10.1109/EITech.2017.8255227⟩. ⟨hal-03508198⟩

Communication dans un congrès

Test de susceptibilité de communication LTE face aux interférences produites par le contact caténaire-pantographe

Olivier Stienne, Virginie Deniau, Eric Pierre Simon, Mohamed Raouf Kousri

Les transports ferroviaires doivent continuellement évoluer pour conserver une bonne attractivité. En particulier, les services offerts à bord des trains doivent apporter un bon niveau de confort aux passagers. Dans ce contexte, les opérateurs veulent permettre un accès à internet de qualité à bord...

CEM 2018, 19ème Colloque International et Exposition sur la Compatibilité ÉlectroMagnétique, Jul 2018, Paris, France. 6p. ⟨hal-02315743⟩

Article dans une revue

Digital complex delta-sigma modulators with highly configurable notches for multi-standard coexistence in wireless transmitters

Razvan-Cristian Marin, Antoine Frappé, Andreas Kaiser

This paper presents a complex delta-sigma modu-lator (CDSM) designed for integration in a digital transmitter chain targeting multi-standard coexistence with nearby receivers. The use of a DSM has the advantage of increased performance in terms of signal-to-noise-ratio in the band of interest....

IEEE Transactions on Circuits and Systems I: Regular Papers, 2018, 65 (1), pp.343-352. ⟨10.1109/TCSI.2017.2711035⟩. ⟨hal-02314482⟩