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Communication dans un congrès

Rayleigh Modes Generated by Laser-Ultrasonics at the Film-Substrate Interface for the Study of Adhesion

Martin Robin, Meriem Chrifi Alaoui, Frédéric Jenot, Mohammadi Ouaftouh, Marc Duquennoy

Adhesion testing of film-on-substrate structures by surface acoustic waves is a complex issue. Indeed, the fluctuations of some parameters like the film thickness can lead to misinterpretation of the experimental results. Additionally, in laser-ultrasonics, the positions of the generation and…

16ème Congrès Français d'Acoustique, CFA 2022, Société Française d'Acoustique; Laboratoire de Mécanique et d'Acoustique, Apr 2022, Marseille, France. ⟨hal-03688151v2⟩

Article dans une revue

Synthesis of Cyano-Benzylidene Xanthene Synthons Using a Diprotic Brønsted Acid Catalyst, and Their Application as Efficient Inhibitors of Aluminum Corrosion in Alkaline Solutions

Mohammed Amin, Gaber Mersal, Morad El-Hendawy, Abdallah Shaltout, Ali Badawi, Johan Boman, Adil Gobouri, Murat Saracoglu, Fatma Kandemirli, Rabah Boukherroub, Jacek Ryl, Mohamed Khalifa

Novel cyano-benzylidene xanthene derivatives were synthesized using one-pot and condensation reactions. A diprotic Brønsted acid (i.e., oxalic acid) was used as an effective catalyst for the promotion of the synthesis process of the new starting xanthene–aldehyde compound. Different xanthene…

Molecules, 2022, Chemistry of Corrosion Inhibitors, 27 (17), pp.5733. ⟨10.3390/molecules27175733⟩. ⟨hal-03778946⟩

Article dans une revue

In-plane InGaAs/Ga(As)Sb nanowire based tunnel junctions grown by selective area molecular beam epitaxy

Alexandre Bucamp, Christophe Coinon, Sylvie Lepilliet, David Troadec, Gilles Patriarche, M Diallo, Vanessa Avramovic, Kamel Haddadi, X. Wallart, L. Desplanque

In-plane InGaAs/Ga(As)Sb heterojunction tunnel diodes are fabricated by selective area molecular beam epitaxy with two different architectures: either radial InGaAs core/Ga(As)Sb shell nanowires or axial InGaAs/GaSb heterojunctions. In the former case, we unveil the impact of strain relaxation and…

Nanotechnology, 2022, 33 (14), pp.145201. ⟨10.1088/1361-6528/ac45c5⟩. ⟨hal-03547003⟩

Article dans une revue

Substrate-Induced Dissipative and Non-Linear Effects in RF Switches: Probing Ultimate Performance Based on Laser-Machined Membrane Suspension

Arun Bhaskar, Justine Philippe, Etienne Okada, Flavie Braud, J.F. Robillard, Cédric Durand, Frédéric Gianesello, Daniel Gloria, Christophe Gaquière, Emmanuel Dubois

With the evolution of radio frequency (RF)/microwave technology, there is a demand for circuits that are able to meet highly challenging RF front end specifications. Silicon-on-insulator (SOI) technology is one of the leading platforms for upcoming wireless generation. The degradation of…

Electronics, 2022, 11 (15), pp.2333. ⟨10.3390/electronics11152333⟩. ⟨hal-03739747⟩

Article dans une revue

Coupling Capacitively Distinct Mechanical Resonators for Room-Temperature Phonon-Cavity Electromechanics

Alok Pokharel, Hao Xu, Srisaran Venkatachalam, Eddy Collin, Xin Zhou

Coupled electromechanical resonators that can be independently driven/detected and easily integrated with external circuits are essential for exploring mechanical modes based signal processing and multifunctional integration. One of the main challenges lies in controlling energy transfers between…

Nano Letters, 2022, 22 (18), pp.7351-7357. ⟨10.1021/acs.nanolett.2c01848⟩. ⟨hal-03651266⟩

Article dans une revue

Contactless Rheology of Soft Gels over a Broad Frequency Range

Zaicheng Zhang, Muhammad Arshad, Vincent Bertin, Samir Almohamad, Elie Raphaël, Thomas Salez, Abdelhamid Maali

We report contactless measurements of the viscoelastic rheological properties of soft gels. The experiments are performed using a colloidal-probe Atomic Force Microscope (AFM) in a liquid environment and in dynamic mode. The mechanical response is measured as a function of the liquid gap thickness…

Physical Review Applied, 2022, 17, pp.064045. ⟨10.1103/PhysRevApplied.17.064045⟩. ⟨hal-03562373⟩

Article dans une revue

Investigation of the Eigen Frequency of a Cantilever Microbeam Immersed in a Fluid Under the Piezoelectric Effect

Victory Elias, Flavie Braud, Philippe Champagne, Georges Nassar

In this paper, a new model of piezoelectric cantilever is developed, it can be heavily used in a micro electromechanical system (MEMS). This new prototype eliminates several risks caused by the previous means already used and increases the sensation in terms of rheology. Our approach is based on…

Sensors & Transducers., 2021, 254 (7), pp.31-37. ⟨hal-03564209⟩

Article dans une revue

Dendritic Organic Electrochemical Transistors Grown by Electropolymerization for 3D Neuromorphic Engineering

K. Janzakova, M. Ghazal, A. Kumar, Yannick Coffinier, Sébastien Pecqueur, F. Alibart

One of the major limitations of standard top-down technologies used in today's neuromorphic engineering is their inability to map the 3D nature of biological brains. Here, it is shown how bipolar electropolymerization can be used to engineer 3D networks of PEDOT:PSS dendritic fibers. By…

Advanced Science, 2021, 8 (24), pp.2102973. ⟨10.1002/advs.202102973⟩. ⟨hal-03542157⟩

Communication dans un congrès

Performance Projection of GaN HEMT: Bias and Temperature Dependent Study of 3 rd -Order Intermodulation Distortion

Mohammad Alim, I. Jahan, Mayahsa Ali, Christophe Gaquière

The third-order intermodulation distortion in AlGaN/GaN high electron mobility transistors fabricated on SiC substrate for power amplifier applications is reported in this study as a function of bias and temperature. The nonlinearity of active devices in terms of frequency and input power was…

2021 3rd International Conference on Sustainable Technologies for Industry 4.0 (STI), Dec 2021, Dhaka, Bangladesh. pp.1-4, ⟨10.1109/STI53101.2021.9732585⟩. ⟨hal-03663718⟩

Pré-publication, Document de travail

Condensation and Growth of Amorphous Aluminosilicate Nanoparticles by Aggregation Process

Romain Dupuis, Seung Ho Hahn, Adri C. T. van Duin, Roland Pellenq, Arnaud Poulesquen

The precipitation of zeolite nanoparticles involves the initial formation of metastable precursors such as amorphous entities that crystalize through non-classical pathways. Here, using reactive force field based simulations, we reveal how aluminosilicate oligomers grow concomitantly to the…

2021. ⟨hal-03484661⟩