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Communication dans un congrès

Power measurement setup development for on-wafer characterization at 185-191 GHz

Caroline Maye, Sylvie Lepilliet, Etienne Okada, Daniel Gloria, Guillaume Ducournau, Christophe Gaquière

This article presents off-wafer scalar power setup dedicated to load-pull measurement for characterization of on-wafer active devices between 185 and 191 GHz. The system architecture allows us to determine the absorbed input power, the output power delivered to the load, the power added efficiency...

2020 International Workshop on Integrated Nonlinear Microwave and Millimetre-Wave Circuits (INMMiC), Jul 2020, Cardiff, United Kingdom. pp.1-3, ⟨10.1109/INMMiC46721.2020.9160204⟩. ⟨hal-03390468⟩

Article dans une revue

A superheterodyne 300 GHz wireless link for ultra-fast terahertz communication systems

Iulia Dan, Guillaume Ducournau, Shintaro Hisatake, Pascal Szriftgiser, Ralf-Peter Braun, Ingmar Kallfass

A superheterodyne transmission scheme is adopted and analyzed in a 300 GHz wireless point-to-point link. This was realized using two different intermediate frequency (IF) systems. The first uses fast digital synthesis which provides an IF signal centered around a carrier frequency of 10 GHz. The...

International Journal of Microwave and Wireless Technologies, 2020, 12 (7), pp.578-587. ⟨10.1017/S1759078720000495⟩. ⟨hal-03321525⟩

Article dans une revue

Tunable photo-responsive elastic metamaterials

Antonio S. Gliozzi, M. Miniaci, Annalisa Chiappone, Andrea Bergamini, Benjamin Morin, Emiliano Descrovi

The metamaterial paradigm has allowed an unprecedented space-time control of various physical fields, including elastic and acoustic waves. Despite the wide variety of metamaterial configurations proposed so far, most of the existing solutions display a frequency response that cannot be tuned, once...

Nature Communications, 2020, 11, pp.2576. ⟨10.1038/s41467-020-16272-y⟩. ⟨hal-03140636⟩

Article dans une revue

Long-range electron transport in Prussian blue analog nanocrystals

Roméo Bonnet, Stéphane Lenfant, Sandra Mazérat, Talal Mallah, Dominique Vuillaume

We report electron transport measurements through nano-scale devices consisting of 1 to 3 Prussian blue analog (PBA) nanoparticles connected between two electrodes. We compare two types of cubic nanoparticles, CsCoIIIFeII (15 nm) and CsNiII...

Nanoscale, 2020, 12 (39), pp.20374-20385. ⟨10.1039/d0nr06971j⟩. ⟨hal-03010948⟩

Communication dans un congrès

Characterization of 1-3 Piezocomposite Using Lamb Waves Propagation

Rémi Rouffaud, Anne-Christine Hladky, Dominique Certon, Antoine Balé, Franck Levassort

Due to their enhanced electromechanical properties with respect to conventional piezoelectric ceramics, 1-3 piezocomposite (1-3PC) materials are predominant in high performance ultrasonic array. Their complete effective electroelastic modulus (EEM) has a significant importance for numerical...

Forum Acusticum, Dec 2020, Lyon, France. pp.1873-1873, ⟨10.48465/fa.2020.0745⟩. ⟨hal-03240301⟩

Article dans une revue

Experimental observation and modeling of the impact of traps on static and analog/HF performance of graphene transistors

Anibal Pacheco-Sanchez, Nikolaos Mavredakis, Pedro C. Feijoo, Wei Wei, Emiliano Pallecchi, Henri Happy, David Jimenez

The trap-induced hysteresis on the performance of a graphene field-effect transistor is experimentally diminished here by applying consecutive gate-to-source voltage pulses of opposing polarity. This measurement scheme is a practical and suitable approach to obtain reproducible device...

IEEE Transactions on Electron Devices, 2020, 67 (12), pp.5790-5796. ⟨10.1109/TED.2020.3029542⟩. ⟨hal-03321544⟩

Article dans une revue

High-Frequency Noise Characterization and Modeling of Graphene Field-Effect Transistors

Marina Deng, Dalal Fadil, Wei Wei, Emiliano Pallecchi, Henri Happy, Gilles Dambrine, Magali de Matos, Thomas Zimmer, Sébastien Frégonèse

This article presents the small-signal and noise characterization of different technologies based on chemical vapor deposition (CVD) and silicon-carbide (SiC) graphene field-effect transistors (GFETs). The noise model, built on noise figure measurements under 50 Ω using the F 50 method, was...

IEEE Transactions on Microwave Theory and Techniques, 2020, 68 (6), pp.2116-2123. ⟨10.1109/TMTT.2020.2982396⟩. ⟨hal-02540064⟩

Article dans une revue

Cyclostationary-based vital signs detection using microwave radar at 2.5 GHz

Fatima Sekak, Kawtar Zerhouni, Fouzia Elbahhar, Madjid Haddad, Christophe Loyez, Kamel Haddadi

Non-contact detection and estimation of vital signs such as respiratory and cardiac frequencies is a powerful tool for surveillance applications. In particular, the continuous wave bio-radar has been widely investigated to determine the physiological parameters in a non-contact manner. Since the RF...

Sensors, 2020, 20, 19p. ⟨10.3390/s20123396⟩. ⟨hal-02887695⟩

Communication dans un congrès

Demonstrating full integration process for electroactive polymer microtransducers to realize soft microchips

Lauréline Seurre, Kätlin Rohtlaid, Giao T. M. Nguyen, Caroline Soyer, Sofiane Ghenna, Sébastien Grondel, Frederic Vidal, Barthelemy Cagneau, Cedric Plesse, Eric Cattan

Actuation and sensing with electroactive polymers should be a chance for flexible MEMS but their micromachining and integration are still not mature. Some innovative materials and microfabrication processes are still expected. In this paper, a first full elaboration of polymeric microtransducers (...

33rd IEEE International Conference on Micro Electro Mechanical Systems (MEMS), Jan 2020, Vancouver, Canada. ⟨10.1109/MEMS46641.2020.9056371⟩. ⟨hal-03322828⟩

Communication dans un congrès

Distributed clique-based neural networks for data fusion at the edge

Benoit Larras

Distributed smart sensors are more and more used in applications such as biomedical or domestic monitoring. However, each sensor broadcasts data wirelessly to the others or to an aggregator, which leads to energy-hungry sensors not ensuring data privacy. To tackle both challenges, this work...

14ème Ecole d'hiver Francophone sur les Technologies de Conception des Systèmes Embarqués Hétérogènes, FETCH 2020, Feb 2020, Montréal, QC, Canada. ⟨hal-03582290⟩