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Affichage de 5581 à 5590 sur 16549

  • Article dans une revue

Rayleigh Waves in Phononic Crystal Made of Multilayered Pillars: Confined Modes, Fano Resonances, and Acoustically Induced Transparency

M. Oudich, Bahram Djafari-Rouhani, B. Bonello, Yan Pennec, S. Hemaidia, F. Sarry, D. Beyssen

We present a design of phononic crystal based on pillars distributed on a substrate surface in which each pillar is constructed by a periodic stacking of PMMA and silicon layers. The pillar behaves like a one-dimensional phononic crystal which allows the creation of band gaps that prohibits wave…

Physical Review Applied, 2018, 9 (3), pp.034013. ⟨10.1103/PhysRevApplied.9.034013⟩. ⟨hal-01826538⟩

  • 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⟩

  • Communication dans un congrès

Indoor 100 Gbit/s THz data link in the 300 GHz band using fast photodiodes

Vinay Kumar Chinni, Malek Zegaoui, Christophe Coinon, X. Wallart, Emilien Peytavit, Jean-Francois Lampin, P. Szriftgiser, Mohammed Zaknoune, Guillaume Ducournau

This paper presents recent achievements towards 100 Gbit/s data links for future 300 GHz communication systems with the new IEEE 802.15.3d standard. Resonant photodiodes structures, and their application for QAM-16 data links in the THz range are shown in indoor scenario.

25th International Conference on Telecommunications (ICT), Jun 2018, Saint Malo, France. pp.288-290, ⟨10.1109/ICT.2018.8464945⟩. ⟨hal-03286177⟩

  • Article dans une revue

Toward a better understanding of the doping mechanism involved in Mo(tfd-COCF3)(3) doped PBDTTT-c

J. Euvrard, A. Revaux, S. S. Nobre, A. Kahn, Dominique Vuillaume

In this study, we aim to improve our understanding of the doping mechanism involved in the polymer poly[(4,8-bis-(2-ethylhexyloxy)-benzo(1,2-b:4,5-b')dithiophene)-2,6-diyl-alt-(4-(2-ethylhexanoyl)-thieno[3,4-b]thiophene-)-2-6-diyl)] (PBDTTT-c) doped with tris[1-(trifluoroethanoyl)-2-(…

Journal of Applied Physics, 2018, 123 (22), pp.22550. ⟨10.1063/1.5029810⟩. ⟨hal-03183498⟩

  • 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⟩

  • 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⟩

  • Communication dans un congrès

A fully flexible circuit implementation of clique-based neural networks in 65-nm CMOS

Benoit Larras, Paul Chollet, Cyril Lahuec, Fabrice Seguin, Matthieu Arzel

Clique-based neural networks implement low- complexity functions working with a reduced connectivity be- tween neurons. Thus, they address very specific applications operating with a very low energy budget. This paper proposes a flexible and iterative neural architecture able to implement multiple…

ISCAS 2018 : IEEE International Symposium on Circuits and Systems (ISCAS), May 2018, Firenze, Italy. ⟨10.1109/ISCAS.2018.8350954⟩. ⟨hal-01849349⟩

  • 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⟩

  • Communication dans un congrès

Wireless Sensor Network used to improve the energy efficiency in connected railway vehicles

Ulrich Biaou, Michael Bocquet, Atika Rivenq, Sara Iben Jellal, S. Baranowski

This paper presents a solution using Zigbee network for improving energy efficiency inside railway vehicles, especially for suburban train and metro. We present firstly a comparison between existing wireless technologies and the choice for our platform. The simulation tools simuEM3D has been used…

30th International Conference on Microelectronics, ICM 2018, Dec 2018, Sousse, Tunisia. pp.72-75, ⟨10.1109/ICM.2018.8704086⟩. ⟨hal-03528695⟩

  • Article dans une revue

Trapped-mode-induced Fano resonance and acoustical transparency in a one-dimensional solid-fluid phononic crystal

Ilyasse Quotane, El Houssaine El Boudouti, Bahram Djafari-Rouhani

We investigate theoretically and numerically the possibility of existence of Fano and acoustic-induced transparency (AIT) resonances in a simple though realistic one-dimensional acoustic structuremade of solid-fluid layers inserted between two fluids. These resonances are obtained by combining…

Physical Review B, 2018, 97 (2), ⟨10.1103/PhysRevB.97.024304⟩. ⟨hal-03183494⟩