Publications

• Communication dans un congrès

A 0-level packaged RF-MEMS switched wideband GaAs LNA MMIC

A. Gustafsson, C. Samuelsson, R. Malmqvist, S. Seok, M. Fryziel, N. Rolland, B. Grandchamp, T. Vähä-Heikkilä, R. Baggen

This paper focuses on the design of an RF-MEMS Dicke switched wideband LNA realized in a GaAs MMIC process that also includes a BCB cap type of wafer-level package. The 0- level packaged GaAs MEMS LNA circuit shows 10-17 dB of gain at 16-34 GHz when switched on. The off-state LNA gain is below -6…

8th European Microwave Integrated Circuits Conference, EuMIC 2013, and 43rd European Microwave Conference, EuMC 2013, European Microwave Week 2013, 2013, Nuremberg, Germany. paper EuMC/EuMIC06-2, 432-435. ⟨hal-00922494⟩

• Communication dans un congrès

Doubly coded Costas signals for grating lobes mitigation

Nadjah Touati, Charles Tatkeu, Thierry Chonavel, Atika Rivenq

In this paper, a novel design scheme for radar signal is proposed. It is based on a modification of Costas codes design by increasing the frequency separation of frequency hops beyond the orthogonality condition. Indeed, Costas codes are well known for their good range-doppler properties. Their…

PIMRC 2013 : IEEE 24th International Symposium on Personal Indoor and Mobile RadioPersonal Indoor and Mobile Radio Communications, Sep 2013, Londres, United Kingdom. pp.481-485, ⟨10.1109/PIMRC.2013.6666184⟩. ⟨hal-00946823⟩

• Article dans une revue

General solution to the Hertz-Mindlin problem via Preisach formalism

Vladislav Aleshin, Koen van den Abeele

In this paper we analyze the contact problem for two elastic spheres with friction (the Hertz–Mindlin or HM problem) and present an original solution expressed in terms of the Preisach description. The major obstacle for an efficient use of the HM mechanics in the case of general loading histories…

International Journal of Non-Linear Mechanics, 2013, 49, pp.15-30. ⟨10.1016/j.ijnonlinmec.2012.09.003⟩. ⟨hal-00795946⟩

• Article dans une revue

Open problems in mathematical modelling and physical experiments: exploring exponential function

Raffaele Pisano, Paolo Bussotti

Generally speaking the exponential function has large applications and it is used by many non physicians and non mathematicians, too. Nevertheless some crucial and practical problems happen for its mathematical understanding. Mostly, this part of mathematical cognitive programmes introduce it from…

Problems of Education in the 21st Century, 2012, 50 (1), pp.56-69. ⟨10.33225/pec/12.50.56⟩. ⟨hal-04507892⟩

• Communication dans un congrès

[Invité] Multi-excitons dans les nanostructures de semiconducteurs

Christophe Delerue, Guy Allan

Deuxième édition des Journées Nationales du Photovoltaïque, JNPV 2012, Dec 2012, Chantilly, France. ⟨hal-00797752⟩

• Article dans une revue

An accurate determination of the surface energy of solid selenium

G. Guisbiers, S. Arscott, R. Snyders

Applied Physics Letters, 2012, 101 (23), pp.231606. ⟨10.1063/1.4769358⟩. ⟨hal-02345720⟩

• Article dans une revue

Theory and Monte Carlo simulations for the stretching of flexible and semiflexible single polymer chains under external fields

F. Manca, S. Giordano, Pier Luca Palla, F. Cleri, L. Colombo

Recent developments of microscopic mechanical experiments allow the manipulation of individual polymer molecules in two main ways: uniform stretching by external forces and non-uniform stretching by external fields. Many results can be thereby obtained for specific kinds of polymers and specific…

The Journal of Chemical Physics, 2012, 137, pp.244907-1-12. ⟨10.1063/1.4772656⟩. ⟨hal-00787361⟩

• Article dans une revue

Dynamics of confined cavity modes in a phononic crystal slab investigated by in situ time-resolved experiments

R. Marchal, Olga Boyko-Kazymyrenko, Bernard Bonello, Jinfeng Zhao, Laurent Belliard, Mourad Oudich, Yan Pennec, Bahram Djafari-Rouhani

The confinement of elastic waves within a single defect in a phononic crystal slab is investigated both experimentally and theoretically. The structure is formed by a honeycomb lattice of air holes in a silicon plate with one hole missing in its center. The frequencies and polarizations of the…

Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2012, 86 (22), pp.2243022. ⟨10.1103/PhysRevB.86.224302⟩. ⟨hal-00787471⟩

• Article dans une revue

On the origin of basal stacking faults in nonpolar wurtzite films epitaxially grown on sapphire substrates

Philippe Vennéguès, Jean Michel Chauveau, Z. Bougrioua, Tiankai Zhu, Denis Martin, Nicolas Grandjean

The microstructure of nonpolar heteroepitaxial wurtzite films (GaN and ZnO-based) is dominated by the presence of planar basal stacking faults (BSFs). In this paper, transmission electron microscopy studies of both GaN and ZnO nonpolar films oriented either (11–20) or (1–100) and grown on sapphire…

Journal of Applied Physics, 2012, 112 (11), pp.113518. ⟨10.1063/1.4768686⟩. ⟨hal-02906733⟩

• Article dans une revue

Microwave On/Off ratio enhancement of GaAs photoconductive switches at nanometer scale

Charlotte Tripon-Canseliet, Salim Faci, Antoine Pagies, Vincent Magnin, Stéphane Formont, Didier Decoster, Jean Chazelas

This paper reports on performances enhancement of photoconductive switches in term of On/Off ratio and insertion losses. The optimization parameters on which the research has been focused are gap dimensions reduction to nanometer scale. The device characterization results up to a microwave…

IEEE Aerospace and Electronic Systems Magazine, 2012, 30 (23), pp.3576 - 3579. ⟨10.1109/JLT.2012.2223196⟩. ⟨hal-00751429⟩