Publicaciones

• Article dans une revue

Interface engineering for improved light transmittance through photonic crystal flat lenses

Geoffroy Scherrer, Maxence Hofman, Wojciech Smigaj, B. Gralak, X. Melique, O. Vanbesien, D. Lippens, Colette Dumas, Benoît Cluzel, F. de Fornel

In this paper, we present photonic crystal flat lenses with interfaces engineered to improve the light transmittance thanks to a broad angles impedance matching. The interface engineering consists in the realization of antireflection gratings on the edges of the lenses which are designed to reduce...

Applied Physics Letters, 2010, 97 (7), pp.071119. ⟨10.1063/1.3473760⟩. ⟨hal-00548691⟩

• Article dans une revue

Guided acoustic wave resonators using an acoustic Bragg mirror

I. Kone, F. Domingue, H. Jacquinot, M. Borel, M. Gorisse, A. Reinhardt, G. Parat, F. Casset, D. Pelissier-Tanon, J.F. Carpentier, L. Buchaillot, Bertrand Dubus

Lamb wave devices have recently gained an interest for providing narrow bandpass filters in wireless transmission systems. Their cointegration with film bulk acoustic wave resonators is a major advantage, enabling the possibility to provide simultaneously several radio frequency and intermediate-...

Applied Physics Letters, 2010, 96 (22), pp.223504. ⟨10.1063/1.3440370⟩. ⟨hal-00548560⟩

• Article dans une revue

Graphene buffer layer on Si-terminated SiC studied with an empirical interatomic potential

Evelyne Lampin, Catherine Priester, Christophe Krzeminski, Laurence Magaud

The atomistic structure of the graphene buffer layer on Si-terminated SiC is investigated using a modified version of the environment-dependent interatomic potential. The determination of the equilibrium state by the conjuguate gradients method suffers from a complex multiple-minima energy surface...

Journal of Applied Physics, 2010, 107 (10), pp.103514. ⟨10.1063/1.3357297⟩. ⟨hal-00549078⟩

• Article dans une revue

Fully relaxed low-mismatched InAlAs layer on an InP substrate by using a two step buffer

S.R. Plissard, Christophe Coinon, Ydir Androussi, X. Wallart

The strain relaxation in low mismatched InxAl1−xAs layers has been studied by triple axis x-ray diffraction, transmission electron microscopy, and photoluminescence. Using a two step buffer, a fully relaxed top layer has been grown by adapting the composition and thickness of a first “strained...

Journal of Applied Physics, 2010, 107 (1), pp.0161021. ⟨10.1063/1.3275872⟩. ⟨hal-00548708⟩

• Article dans une revue

Doped graphene as tunable electron-phonon coupling material

Claudio Attaccalite, L. Wirtz, M. Lazzeri, Francesco Mauri, A. Rubio

We present a new way to tune the electron-phonon coupling (EPC) in graphene by changing the deformation potential with electron/hole doping. We show the EPC for highest optical branch at the high symmetry point K, acquires a strong dependency on the doping level due to electronelectron correlation...

Nano Letters, 2010, 10 (4), pp.1172-1176. ⟨10.1021/nl9034626⟩. ⟨hal-00549056⟩

• Article dans une revue

Voltage tunable surface acoustic wave phase shifter on AlGaN/GaN

J. Pedros, F. Calle, R. Cuerdo, J. Grajal, Z. Bougrioua

Applied Physics Letters, 2010, 96, pp.123505-1-3. ⟨10.1063/1.3353971⟩. ⟨hal-00567879⟩

• Communication dans un congrès

[Invited] Terahertz plasmonic filters, power dividers and applications to microscopy and communications

Tahsin Akalin, Wenchen Chen, Ibrahim Türer, Willie J. Padilla

Photonics Global Conference, PGC 2010, Terahertz Technology Special Session, 2010, Suntec City, Singapore. ⟨hal-00808321⟩

• Article dans une revue

Nerve Agent Sensors Sub-ppm Detection of Nerve Agents Using Chemically Functionalized Silicon Nanoribbon Field-Effect Transistors**

Simon Clavaguera, Alexandre Carella, Laurent Caillier, Caroline Celle, Jacques Pécaut, Stéphane Lenfant, Dominique Vuillaume, Jean-Pierre Simonato

Organophosphorus compounds (OPs) represent one of the most important and lethal classes of chemical warfare agents (e.g. sarin, tabun, soman). Highly active volatile OPs are powerful inhibitors of acetylcholinesterase, which is a critical enzyme of the nervous system. [1] The ease of manufacturing...

Angewandte Chemie, 2010, 49, pp.4063-4066. ⟨10.1002/anie.201000122⟩. ⟨cea-01344100⟩

• Communication dans un congrès

SubfemtoFarad MOS varactor characterization tools

R. Debroucke, J. Larchanche, D. Theron, D. Ducatteau, H. Tanbakuchi, Christophe Gaquière

40th European Microwave Conference, EuMC 2010, 2010, France. pp.783-786. ⟨hal-00550021⟩

• Communication dans un congrès

AlGaN/GaN HEMTs reported on flexible polyimide substrate

Marie Lesecq, Virginie Hoel, A. Lecavelier, E. Pichonat, Jean-Claude de Jaeger, Y. Douvry, F. Lecourt, A. Ebongue, Y. Cordier

5th Space Agency-MOD Round Table Workshop on GaN Component Technologies, 2010, Netherlands. pp.9-12. ⟨hal-00549997⟩