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Affichage de 3151 à 3160 sur 16064

  • Article dans une revue

Bias-dependent intrinsic rf thermal noise modeling and characterization of single-layer graphene fets

N. Mavredakis, A. Pacheco-Sanchez, P. Sakalas, W. Wei, Emiliano Pallecchi, Henri Happy, D. Jimenez

In this article, the bias dependence of intrinsic channel thermal noise of single-layer (SL) graphene field-effect transistors (GFETs) is thoroughly investigated by experimental observations and compact modeling. The findings indicate an increase of the specific noise as drain current increases,…

IEEE Transactions on Microwave Theory and Techniques, 2021, 69 (11), pp.4639-4646. ⟨10.1109/TMTT.2021.3105672⟩. ⟨hal-03542154⟩

  • Article dans une revue

DNA aptamers block the receptor binding domain at the spike protein of SARS-CoV-2

Fabrizio Cleri, Marc Lensink, Ralf Blossey

DNA aptamers are versatile molecular species obtained by the folding of short single-stranded nucleotide sequences, with highly specific recognition capabilities against proteins. Here we test the ability of DNA aptamers to interact with the spike (S-)protein of the SARS-CoV-2 viral capsid. The S-…

Frontiers in Molecular Biosciences, 2021, 8, pp.713003. ⟨10.3389/fmolb.2021.713003⟩. ⟨hal-03348018⟩

  • Communication dans un congrès

Wind tunnel integration of Micro-Magneto-Mechanical Systems (MMMS) microvalves for flow control experiments

Thomas Arnoult, Colin Leclercq, Cécile Ghouila-Houri, Aurélien Mazzamurro, Manon Benedito, Romain Viard, Quentin Gallas, Eric Garnier, Denis Sipp, Abdelkrim Talbi, Philippe Pernod

Flow control techniques can be defined as methods changing a flow natural dynamics. The control of a flow can be achieved with actuators affecting the flow momentum. Therefore, a MMMS microvalve was designed and characterized. The micro-actuators have then been integrated to a wind tunnel on the…

Symposium on Design, Test, Integration and Packaging of MEMS and MOEMS, DTIP 2021, Aug 2021, Paris, France. pp.01-03, ⟨10.1109/DTIP54218.2021.9568496⟩. ⟨hal-03587640⟩

  • Communication dans un congrès

Event-Driven Continuous-Time Feature Extraction for Ultra Low-Power Audio Keyword Spotting

S. Mourrane, Benoit Larras, A. Cathelin, Antoine Frappé

In the context of autonomous keyword spotting and sound detection, this paper proposes a low power feature extraction unit generating spectrograms that represent a unique signature allowing the classification of audio signals. This system is composed of a continuous-Time digital signal processing…

3rd IEEE International Conference on Artificial Intelligence Circuits and Systems, AICAS 2021, Jun 2021, Washington DC, DC, United States. pp.9458425, ⟨10.1109/AICAS51828.2021.9458425⟩. ⟨hal-03362267⟩

  • Communication dans un congrès

Experimental and theoretical study of group delay times and density of states in one-dimensional photonic circuit

S. Khattou, M. Amrani, A. Mouadili, E.H. El Boudouti, Abdelkrim Talbi, Abdellatif Akjouj, Bahram Djafari-Rouhani

We present a comparative study of density of states (DOS) and group delay times for a one-dimensional (1D) coaxial photonic crystal made of N cells attached horizontally along a waveguide. Using the interface response theory of continuous media, we derive exact analytical expressions relating the…

2nd International Conference on Electronic Engineering and Renewable Energy, ICEERE 2020, Apr 2020, Saidia, Morocco. pp.249-256, ⟨10.1007/978-981-15-6259-4_25⟩. ⟨hal-03362271⟩

  • Chapitre d'ouvrage

21 - Layered Photonic Crystals with Left-Handed Materials

Abdellatif Akjouj, El Houssaine El Boudouti, L. Dobrzynski, Bahram Djafari-Rouhani

We theoretically investigate the photonic band structure of layered photonic crystals composed of alternating layers of right- and left-handed materials (RHMs and LHMs). The dispersion curves are mainly studied by assuming that the dielectric permittivity and magnetic permeability are constant in…

Photonics, Part Three: Photonic Materials, Elsevier, pp.587-621, 2021, 978-0-12-819388-4. ⟨10.1016/B978-0-12-819388-4.00032-0⟩. ⟨hal-03360012⟩

  • Article dans une revue

Experimental full wavefield reconstruction and band diagram analysis in a single-phase phononic plate with internal resonators

N. Kherraz, M. Radzieński, M. Mazzotti, P. Kudela, F. Bosia, A. S. Gliozzi, D. Misseroni, N. M. Pugno, W. Ostachowicz, M. Miniaci

Research on phononic crystal architectures has produced many interesting designs in the past years, with useful wave manipulation properties. However, not all of the proposed designs can lead to convenient realizations for practical applications, and only a limited number of them have actually been…

Journal of Sound and Vibration, 2021, 503, pp.116098. ⟨10.1016/j.jsv.2021.116098⟩. ⟨hal-03440709⟩

  • Article dans une revue

Enhanced phonon-plasmon interaction in film-coupled dimer nanoridges mediated by surface acoustic waves

Adnane Noual, Rock Akiki, Gaëtan Lévêque, Yan Pennec, Bahram Djafari-Rouhani

The interaction between phonons and localized plasmons in coupled nanoparticles can be exploited both for modulating the scattered electromagnetic field and the understanding of the mechanical vibrations at nanoscale. In this paper, we demonstrate by numerical analysis an enhanced optomechanical…

Optics Express, 2021, 29 (26), pp.43104-43123. ⟨10.1364/OE.444430⟩. ⟨hal-03542167⟩

  • Article dans une revue

Novel Optical Biosensor Based on a Nano-Gold Coated by Schiff Base Doped in Sol/Gel Matrix for Sensitive Screening of Oncomarker CA-125

M.N. Abou-Omar, M.S. Attia, H.G. Afify, M.A. Amin, Rabah Boukherroub, E.H. Mohamed

The urge for sensitive, facile, minimally invasive, and fast detection method of CA-125, a significant and crucial biomarker in ovarian malignancy, is currently substantial. This paper describes the detailed construction and characterization of a newly designed optical nano-biosensor to detect CA-…

ACS Omega, 2021, 6 (32), pp.20812-20821. ⟨10.1021/acsomega.1c01974⟩. ⟨hal-03546308⟩

  • Article dans une revue

Any neuron can perform linearly non-separable computations

Romain Cazé

Multiple studies have shown how dendrites enable some neurons to perform linearly non-separable computations. These works focus on cells with an extended dendritic arbor where voltage can vary independently, turning dendritic branches into local non-linear subunits. However, these studies leave a…

F1000Research, 2021, 10, pp.539. ⟨10.12688/f1000research.53961.1⟩. ⟨hal-03408395⟩