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Affichage de 10961 à 10970 sur 16292

Communication dans un congrès

GHz modulation of tunable THz radiation from photomixing at 1.55 µm

J. Mangeney, M. Martin, P. Crozat, Y. Chassagneux, R. Colombelli, L. Vivien, K. Blary, Jean-Francois Lampin

34th International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2009, 2009, South Korea. pp.1-2, ⟨10.1109/ICIMW.2009.5325656⟩. ⟨hal-00474510⟩

Article dans une revue

80 GHz field-effect transistors produced using high purity semiconducting single-walled carbon nanotubes

L. Nougaret, H. Happy, Gilles Dambrine, Vincent Derycke, J.P. Bourgoin, A.A. Green, M.C. Hersam

This paper presents the high frequency performance of single-walled carbon nanotube (SWNT) field-effect transistors, with channel consisting of dense networks of high purity semiconducting SWNTs. Using SWNT samples containing 99% pure semiconducting SWNTs, we achieved operating frequencies above 80…

Applied Physics Letters, 2009, 94 (24), pp.243505. ⟨10.1063/1.3155212⟩. ⟨hal-00469685⟩

Article dans une revue

Phonon surface mapping of graphite : disentangling quasi-degenerate phonon dispersions

A. Gruneis, J. Serrano, A. Bosak, M. Lazzeri, S.L. Molodtsov, L. Wirtz, Claudio Attaccalite, M. Krisch, A. Rubio, Francesco Mauri, T. Pichler

The two-dimensional mapping of the phonon dispersions around the K point of graphite by inelastic x-ray scattering is provided. The present work resolves the longstanding issue related to the correct assignment of transverse and longitudinal phonon branches at K. We observe an almost degeneracy of…

Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2009, 80, pp.085423-1-5. ⟨10.1103/PhysRevB.80.085423⟩. ⟨hal-00473343⟩

Autre publication scientifique

Le système O-MIMO utilisant un multiplexage par la technique de diversité de groupe de modes (MGDM)

Mazen Awad

2009. ⟨hal-00572809⟩

Communication dans un congrès

InAlN-based HEMT for microwave applications

S.L. Delage, C. Giesen, M. Heuken, B. Schineller, M.A. Di Forte-Poisson, C. Dua, J.C. Jacquet, E. Morvan, N. Sarazin, J.F. Carlin, M. Gonschorek, N. Grandjean, M. Py, A. Georgakilas, E. Iliopoulos, G. Konstantinidis, K. Cico, K. Fröhlich, Jean-Claude de Jaeger, Christophe Gaquière, E. Kohn

ESA/MOD Workshop on GaN Microwave Component Technologies, 2009, Germany. pp.66-75. ⟨hal-00573164⟩