Publicaciones

• Article dans une revue

Comparison of shallow-mesa InAs/AlSb HEMTs with and without early-protection for long-term stability against Al(Ga)Sb oxidation

E. Lefebvre, G. Moschetti, M. Malmkvist, L. Desplanque, X. Wallart, J. Grahn

The fabrication process of InAs/AlSb high electron mobility transistors (HEMTs) has been improved by depositing, after the shallow-mesa isolation of the active area, a thin SiNx-film on the exposed AlGaSb mesa floor. Devices with and without this early-protection against Al(Ga)Sb oxidation have...

Semiconductor Science and Technology, 2014, 29, 035010, 7p. ⟨10.1088/0268-1242/29/3/035010⟩. ⟨hal-00941533⟩

• Communication dans un congrès

Contrôle de la propagation du son et de la lumière - Cristaux phononiques, photoniques et ses applications

Abdelali Mrabti, Said El-Jallal, Gaëtan Lévêque, Abdellatif Akjouj, Abdelkrim Talbi, Yan Pennec, Bahram Djafari-Rouhani

Doctoriales Lille Nord de France 2014, 2014, Marcq-en-Baroeul, France. ⟨hal-00986879⟩

• Article dans une revue

Wave propagation in layered piezoelectric rectangular bar : an extended orthogonal polynomial approach

J.G. Yu, C. Zhang, Jean-Etienne Lefebvre

Wave propagation in multilayered piezoelectric structures has received much attention in past forty years. But the research objects of previous research works are only for semi-infinite structures and one-dimensional structures, i.e., structures with a finite dimension in only one direction, such...

Ultrasonics, 2014, 54, pp.1677-1684. ⟨10.1016/j.ultras.2014.02.023⟩. ⟨hal-01000007⟩

• Article dans une revue

Longitudinal and transversal polarization switching in strained ferroelectrics

Laurent Baudry, Igor A. Luk'Yanchuk, A. Razumnaya

Using the multicomponent Landau-Devonshire functional we study the field-induced polarization switching in c-oriented ferroelectric phase of epitaxial perovskite film and found that two different regimes are possible: (i) longitudinal switching with change of the polarization modulus and (ii)...

Ferroelectrics, 2014, 13th International Meeting on Ferroelectricity, 461 (1), pp.22-28. ⟨10.1080/00150193.2014.889528⟩. ⟨hal-01044688⟩

• Article dans une revue

Bandwidth enhancement in disordered metamaterial absorbers

Jianping Hao, Eric Lheurette, Ludovic Burgnies, Etienne Okada, Didier Lippens

In this letter, we show numerically and experimentally that a positional disorder of a collection of absorbing electromagnetic wave resonators operating in the long wavelength regime dramatically enhances the absorption bandwidth. The demonstration is performed by using single-size ring-shaped thin...

Applied Physics Letters, 2014, 105, 081102, 5 p. ⟨10.1063/1.4894181⟩. ⟨hal-01058509⟩

• Article dans une revue

Noise performance of frequency modulation Kelvin force microscopy

Heinrich Diesinger, D. Deresmes, Thierry Melin

Noise performance of a phase-locked loop (PLL) based frequency modulation Kelvin force microscope (FM-KFM) is assessed. Noise propagation is modeled step by step throughout the setup using both exact closed loop noise gains and an approximation known as "noise gain" from operational...

Beilstein Journal of Nanotechnology, 2014, 5, pp.1-18. ⟨10.3762/bjnano.5.1⟩. ⟨hal-00950258⟩

• Autre publication scientifique

Étude théorique et expérimentale de systèmes à onde de surface dans des structures multicouches piézomagnétiques pour des applications en contrôle santé intégré de MEMS par imagerie acoustique non linéaire

Huan Zhou

2014. ⟨hal-00975212⟩

• Article dans une revue

An SVD-aided efficient bit-loading algorithm for MIMO transmission over spatially correlated channels

Imade Fatani, Marie Zwingelstein, Mohamed Gharbi, François-Xavier Coudoux, Marion Berbineau, Marc G. Gazalet

This paper proposes an efficient bit-loading algorithm for Multiple-Input- Multiple-Output transmission over spatially correlated channels with perfect Channel State Information at both link ends. Based onwater-filling principle, the algorithm does not assume the well-known gap approximation and...

Wireless Personal Communications, 2014, 75, pp.1167-1185. ⟨10.1007/s11277-013-1414-3⟩. ⟨hal-00954476⟩

• Article dans une revue

Source localisation in a reverberant plate using average coda properties and early signal strength

Hossep Achdjian, Emmanuel Moulin, Farouk Benmeddour, Jamal Assaad, Lynda Chehami

A statistical reverberation model based on the average distribution of wave packets propagating in a finite plate is described and it is shown that by fitting experimental data to theoretical expressions, either structural or source-related features can be extracted with very few sensors. An...

Acta Acustica united with Acustica, 2014, 100, pp.834-841. ⟨10.3813/AAA.918763⟩. ⟨hal-01058146⟩

• Article dans une revue

RF and broadband noise investigation in high-k/metal gate 28-nm CMOS bulk transistor

Francois Danneville, Laurent Poulain, Yoann Tagro, Sylvie Lepilliet, Benjamin Dormieu, Daniel Gloria, P. Scheer, Gilles Dambrine

In order to pursue Moore's law, material engineering has constituted a real focus during the last decade. In particular, the recent introduction of new Gate stack using High-k dielectrics and Metal Gate (H-k/MG) for CMOS was a key point to downscale the 'Equivalent Oxide Thickness'....

International Journal of Numerical Modelling: Electronic Networks, Devices and Fields, 2014, 27, pp.736-747. ⟨10.1002/jnm.1972⟩. ⟨hal-01058062⟩