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Communication dans un congrès

Optical properties of HgTe nanocrystals

Guy Allan, Christophe Delerue, Ali Al-Otaify, David J. Binks, Stephen V. Kershaw, Shuchi Gupta, Andrey L. Rogach

HgTe nanocrystals presently receive growing interest because the negative band gap in bulk HgTe enables tunability of the gap from the infrared to the near infrared in quantum dots thanks to the quantum confinement. Therefore we propose a tight-binding model of HgTe which gives an accurate band…

European Materials Research Society Spring Meeting, E-MRS Spring 2014, Symposium F - Established and emerging nanocolloids : from synthesis & characterization to applications, 2014, Lille, France. ⟨hal-01015327⟩

Communication dans un congrès

Energy transfer between acoustic fields by dry frictional contacts for SHM: a lumped numerical analysis

Konstantinos Gryllias, Eric Chatelet, Francesco Massi, Emmanuel Moulin

This paper investigates the concept of transferring / pumping vibroacoustic energy from an ambient acoustic field towards a secondary acoustic field by exploiting the dry contact friction nonlinearities. The secondary acoustic field could be used, for instance, as a reference signal in structural…

The 26th International Conference on Noise and Vibration engineering, Sep 2014, Louvain, Belgium. ⟨hal-01569145⟩

Article dans une revue

Network games under strategic complementarities

Mohamed Moez Belhaj, Yann Bramoullé, Frédéric Deroïan

We study network games under strategic complementarities. Agents are embedded in a fixed network. They choose a positive, continuous action and interact with their network neighbors. Interactions are positive and actions are bounded from above. We first derive new sufficient conditions for…

Games and Economic Behavior, 2014, 88 (C), pp.310--319. ⟨10.1016/j.geb.2014.10.009⟩. ⟨hal-01474250⟩

Article dans une revue

Cascaded Brillouin fibre lasers coupled to unitravelling carrier photodiodes for narrow linewidth terahertz generation

Guillaume Ducournau, Denis Bacquet, P. Szriftgiser, Fabio Pavanello, Emilien Peytavit, Mohamed Zaknoune, Alexandre Beck, Jean-Francois Lampin

Narrow linewidth terahertz (THz) generation using a cascaded Brillouin fibre laser structure and a unitravelling carrier photodiode is investigated. Using two distributed feedback lasers separated by > 1 THz with 1 MHz initial linewidth, the use of the cascaded Brillouin laser greatly increases…

Electronics Letters, 2014, 50 (9), pp.690-691. ⟨10.1049/el.2014.0521⟩. ⟨hal-01044685⟩

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Métasurface absorbante parfaite à base de cubes ferroélectriques distribués aléatoirement

Véronique Sadaune, Ludovic Burgnies, Eric Lheurette, Jianping Hao, Didier Lippens

L'utilisation d'une structure périodique de cubes de BaSrTiO3 interfacée avec une surface métallique par un fin film diélectrique permet d'obtenir une absorption proche de 100% à la fréquence de résonance de Mie magnétique. Cette absorption reste élevée pour un angle d'incidence…

13èmes Journées de Caractérisation Microondes et Matériaux, JCMM2014, 2014, Nantes, France. article 5, 4 p. ⟨hal-01005664⟩

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Caractérisation diélectrique des matériaux de construction dans le domaine des hyperfréquences

M.D. Belrhiti, S. Bri, A. Nakheli, Ahmed Mamouni

Dans la littérature, une variété de techniques pour extraire les paramètres constitutifs est disponible. Ces techniques incluant les méthodes résonantes et non résonantes avec leurs avantages et inconvénients sont également discutées. La caractérisation des matériaux de construction à l'aide…

13èmes Journées de Caractérisation Microondes et Matériaux, JCMM2014, 2014, Nantes, France. article 2, 3 p. ⟨hal-01005747⟩

Article dans une revue

Features of acoustic resonance in iron borate

K.M. Skibinsky, M.B. Strugatsky, S.V. Yagypov, A.I. Yevstafyev, V.L. Preobrazensky, V.N. Bersansky

Acoustic resonance in a weak-ferromagnetic iron borate monocrystal was investigated. It was shown that observed field dependence of positions and magnitudes of the resonance peaks can be explained within framework of the developed theory of magnetic birefringence of sound in the inhomogeneous…

Functional Materials, 2014, 21, pp.59-63. ⟨hal-00981857⟩

Ouvrages

CW Radar for Monitoring Water-to-Cellular Concrete

Kamel Haddadi, Tuami Lasri

The physical deterioration of concrete structures is mainly caused by their moisture content. Consequently, methods dedicated to contactless, non-destructive and real-time monitoring of moisture content levels are required to control the deterioration of buildings. In this study, we propose an…

pp.529-532, 2014, European Radar Conference EuRAD, 978-2-87487-037-8. ⟨10.1109/EuRAD.2014.6991324⟩. ⟨hal-03224671⟩

Communication dans un congrès

Direct path detection algorithm in multiple input single output configuration for transport applications

Kobenan Ignace Kossonou, Yassin El Hillali, Michael Bocquet, Atika Rivenq, Jamal Assaad

This paper introduces a novel technique that exploits cross-correlation properties of near-orthogonal pseudonoise (PN) codes to estimate the time of arrival of the direct path signal for Multiple Input Single Output (MISO) applications. Indeed, multipath are a source of error in the time…

2014 IEEE International Conference on Ultra-WideBand, ICUWB 2014, Sep 2014, Paris, France. pp.438-443, ⟨10.1109/ICUWB.2014.6959022⟩. ⟨hal-03528685⟩

Article dans une revue

Simulation of the metal-semiconductor-metal photodetector based on InGaAs for the photodetection at the wavelength 1.55 µm

M. El Besseghi, Abdelkader Aissat, Didier Decoster

In this paper we present the simulation of Metal-Semiconductor-Metal photodetector (MSM-PD) of interdigitated planar structure based on InAlAs/InGaAs adapted for photodetection at the wavelength 1.55 μm. We use the theoretical models to plot the variations of the dark current, the photocurrent, the…

Optik, 2014, 125, pp.2543-2546. ⟨10.1016/j.ijleo.2013.10.106⟩. ⟨hal-00994799⟩