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Affichage de 12791 à 12800 sur 16474

Article dans une revue

Charge-injection mechanisms in semiconductor nanoparticles analyzed from force microscopy experiments

Sophie Barbet, Thierry Melin, Heinrich Diesinger, D. Deresmes, Didier Stiévenard

Charge-injection and electric force microscopy experiments are performed in silicon nanoparticles deposited on a doped silicon substrate. We address in this paper the issue of the nanoparticle charging mechanisms. The nanoparticle charging is shown to occur in a regime of permanent current flow…

Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2006, 73, pp.045318. ⟨10.1103/PhysRevB.73.045318⟩. ⟨hal-00127820⟩

Communication dans un congrès

Generation and coherent detection of terahertz radiation by photomixing : dielectric media characterization

Sophie Matton, Gaël Mouret, Robin Bocquet, Francis Hindle, D. Bigourd, D. Lippens, Jean-Francois Lampin

New results from a far infrared coherent detection scheme are presented. Photomixing has been used for homodyne detection to measure absorption and dispersion of dielectric media. The abnormal dispersion near a rotational transition of carbonyl sulfide has been examined.

The Joint 30th International Conference on Infrared and Millimeter Waves and 13th International Conference on Terahertz Electronics, IRMMW-THz 2005, Sep 2005, Williamsburg, United States. pp.419-420. ⟨hal-00154903⟩

Article dans une revue

Variation of absorption coefficient and determination of critical dose of SU-8 at 365 nm

Matthieu Gaudet, Jean-Christophe Camart, Lionel Buchaillot, S. Arscott

Applied Physics Letters, 2006, 88 (2), pp.024107. ⟨10.1063/1.2164390⟩. ⟨hal-02347482⟩

Communication dans un congrès

Raman spectroscopy characterization of single Si-nanowires

M. Marczak, C. Jastrzebski, W. Gebricki, M. Zdrojek, Thierry Melin, D. Hourlier

6th International Conference on Materials for Microelectronics and Nanoengineering, MFMN 2006, 2006, Cranfield, United Kingdom. ⟨hal-00243977⟩

Communication dans un congrès

Sub-picosecond time-domain measurement of heterojunction bipolar transistors and photodiodes

Alexandre Beck, Jean-Francois Lampin, Mohammed Zaknoune, L. Desplanque, Francis Mollot

We demonstrate the time-domain measurement of the dynamic response of heterojunction bipolar transistors (HBT) and uni-travelling carrier photodiodes (UTC-PD) with sub-picosecond resolution. For the HBT, the stimulus is a step applied to the base. For the UTC-PD, we use optical excitation with 150…

Joint 31st International Conference on Infrared and Millimeter Waves and 14th International Conference on Terahertz Electronics, IRMMW-THz2006, Sep 2006, Shanghai, China. pp.510, ⟨10.1109/ICIMW.2006.368718⟩. ⟨hal-00243970⟩

Communication dans un congrès

Blind channel equalization in down-link MC-CDMA systems exploiting guard interval redundancy and excess codes

D.A. Bouzidi, K. Abed-Meriam, A. Djebbari, Jean-Michel Rouvaen

7th IEEE International Workshop on Signal Processing Advances in Wireless Communications, SPAWC 2006, 2006, France. pp.557-561, ⟨10.1109/SPAWC.2006.346420⟩. ⟨hal-00247414⟩

Communication dans un congrès

Détection des marnières de Haute-Normandie par sismique haute résolution

Bogdan Piwakowski, L. Driad-Lebeau, A. Kosecki, P. Safinowski

Actes des Journées AGAP Qualité-GEOFCAN Géophysique appliquée à la reconnaissance des cavités et des structures anthropiques, 2006, Besançon, France. ⟨hal-00201152⟩