Publications

• Communication dans un congrès

Monolithic Microwave Integrated GaAs Electromagnetically-Coupled Antenna

Marjorie Grzeskowiak, Jean Vindevoghel

Monolithic antenna on GaAs to be used in miniature active sensors is presented. After a first study of technological processes and the characterisation of various substrates in K-band, the feasibility of an antenna, operating in K-band, electromagnetically-coupled and integrated on GaAs by…

2000 30th European Microwave Conference, Oct 2000, Paris, France. pp.1-4, ⟨10.1109/EUMA.2000.338797⟩. ⟨hal-02194010⟩

• Communication dans un congrès

Conception of integrated polymer antennas for characterisation of dielectric properties

Marjorie Grzeskowiak, Philippe Descamps, Jean Vindevoghel

To design microstrip antennas, we have to know the relative permittivity and losses of the antenna substrate. In the case of polymers, these electrical properties are given at 1 MHz by the constructor and are not the same ones at other frequencies. We decide to take this problem back to front and…

2000 Eighth International Conference on Dielectric Materials, Measurements and Applications, Sep 2000, Edinburgh, United Kingdom. pp.448-451, ⟨10.1049/cp:20000550⟩. ⟨hal-02193987⟩

• Communication dans un congrès

Femtosecond mid-infrared study of electron dynamics in self-organized InAs quantum wires on InAlAs/InP (001)

Emmanuel Peronne, T. Polack, Jean-Francois Lampin, Antigoni Alexandrou, F. Fossard, F.H. Julien, J. Brault, M. Gendry

12th International Conference on Ultrafast Phenomena, 2000, United States. pp.372-374. ⟨hal-00250436⟩

• Article dans une revue

Giant magnetostriction (GMS) of TbFe monolayer with improved field-induced anisotropy and sensitivity

Henri Le Gall, Jamal Ben Youssef, J. Ostorero, Nicolas Tiercelin, Philippe Pernod, Vladimir Preobrazhensky

Giant magnetostriction, (GMS), reported until now in thin films using rare earth-transition metal RM/sub 2/ (R=Tb, Sm, and M=Fe, Co) compounds, presents in most cases an isotropic or quasi-isotropic magnetoelastic (ME) behavior. A large change of the ME coefficient b under the lowest possible…

IEEE Transactions on Magnetics, 2000, 36 (5), pp.3223-3225. ⟨10.1109/20.908746⟩. ⟨hal-00158453⟩

• Article dans une revue

Giant magnetostriction thin films for multi-cantilever micro-structures driving

Nicolas Tiercelin, Philippe Pernod, Vladimir Preobrazhensky, Henri Le Gall, Jamal Ben Youssef, Patrick Mounaix, Didier Lippens

First results on the realisation of a micrometer GaInAs multi-cantilever structure (50×30×1 μm3 each) driven by amorphous TbFe magnetostrictive thin films are presented. Magneto-elastic properties of the cantilevers were studied by dynamic excitation methods. A resonance of the bimorph cantilevers…

Sensors and Actuators A: Physical , 2000, 81 (1-3), pp.162-165. ⟨10.1016/S0924-4247(99)00144-2⟩. ⟨hal-00158454⟩

• Communication dans un congrès

Electrical characterization of liquid crystals with microstrip-line device for microwave applications

Bertrand Splingart, Nicolas Tentillier, Fabrice Huret, Jean-Claude Carru, Christian Legrand, P. Kennis

In this communication, a microstrip line cell method for dielectric spectroscopy is described (Fig. 2).The cell and an electromagnetic simulation software allow us to study the dielectric dispersion and absorption spectra for both components of the dielectric permittivity tensor of uniaxial systems…

Progress in Electromagnetics Research Symposium - PIERS 2000, Jul 2000, Cambridge, MA, United States. ⟨hal-00158494⟩

• Article dans une revue

Resonant and localized electromagnetic modes in finite superlattices

M. Lahlaouti, Abdellatif Akjouj, B. Djafari-Rouhani, Leonard Dobrzynski

Physical Review B, 2000, 61 (3), pp.2059-2064. ⟨10.1103/PhysRevB.61.2059⟩. ⟨hal-04070077⟩

• Article dans une revue

Détection de failles par méthodes sismiques lors du creusement des tunnels, Seismic techniques to detect faults when driving tunnels

Benoit Celse, Bernard Vayssade, Jean Pierre Henry, Philippe Côte, O. Abraham, Bogdan Piwakowski

L'objectif de cet article est de présenter une nouvelle méthode de reconnaissance à l'avancement. Le but est la caractérisation tridimensionnelle du massif en avant du front de taille par méthodes sismiques. La tomographie réflexion a été choisie car elle permet d'obtenir, « en temps…, A new tunnel heading survey method is presented which uses seismic techniques to characterize in three dimensions the rock in front of the tunnel face. The technique of reflection tomography was selected as this provides a high resolution "real-time" map of wave velocities in the rock. lt…

Bulletin des Laboratoires des Ponts et Chaussees, 2000, 226, pp.13-25. ⟨hal-00250441⟩

• Article dans une revue

Sub-harmonic excitation of a planar magneto-mechanical system by means of giant magnetostrictive thin films

Nicolas Tiercelin, Vladimir Preobrazhensky, Philippe Pernod, Henri Le Gall, Jamal Ben Youssef

In the present paper, we report the first results concerning the studies on non-linear actuation of cantilevers using giant magneto-strictive thin films in the vicinity of the spin reorientation transition (SRT). Bimorph centimetre beams (24×5 mm2) were designed using 160 μm thick glass, and 0.4 μm…

Journal of Magnetism and Magnetic Materials, 2000, 210 (1-3), pp.302-308. ⟨10.1016/S0304-8853(99)00658-7⟩. ⟨hal-00158465⟩

• Communication dans un congrès

Les alliages à mémoire de forme dans les microsystèmes

I. Roch, L. Buchaillot, O. Millet, H. Bennayyad

Actes des Troisièmes Journées du Pôle Micro-Robotique, 2000, Cachan, France. ⟨hal-00158523⟩