Publications

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Affichage de 1901 à 1910 sur 16074

Article dans une revue

Heterojunction bipolar transistor featuring a stressed implanted collector: Defects formation and impact on functionality

Edoardo Brezza, Paul Dumas, Alexis Gauthier, Fanny Hilario, Pascal Chevalier, Christophe Gaquière, N. Defrance

Optimization of Heterojunction Bipolar Transistors is crucial for improving RF capabilities of modern BiCMOS technologies. Fully-implanted collectors are meant to reduce fabrication complexity and Super Shallow Trench Isolation (SSTI) structures are used to reduce the consequent high base–collector…

Microelectronics Reliability, 2022, 139, pp.114847. ⟨10.1016/j.microrel.2022.114847⟩. ⟨hal-03852631⟩

Article dans une revue

Modeling of surface plasmon resonance biosensor based on Ag/BiFeO3/Ni using 2D nanomaterial perovskite MAPbBr3

Mohamed El Barghouti, Abdellatif Akjouj, Abdellah Mir

In the present work, the sensing performance analysis of a surface plasmon resonance (SPR) sensor for biological and chemical applications is reported. The structure studied consists of a silver nanofilm, the hybrid nanostructure of bismuth ferrite material (BiFeO3), and a nickel nanofilm covered…

Materials Today Communications, 2022, 33, pp.104591. ⟨10.1016/j.mtcomm.2022.104591⟩. ⟨hal-03834827⟩

Article dans une revue

Self-radiation force on a moving monopolar source

Aymeric Roux, Jean-Paul Martischang, Michael Baudoin

The radiation force exerted on an object by an acoustic wave is a widely studied phenomenon since the early work of Rayleigh, Langevin and Brillouin, and has led in the last decade to tremendous developments for acoustic micromanipulation. Despite extensive work on this phenomenon, the expressions…

Journal of Fluid Mechanics, 2022, 952, pp.A22. ⟨10.1017/jfm.2022.920⟩. ⟨hal-03671718⟩

Article dans une revue

Highly crystalline hexagonal PbI2 sheets on polyaniline/antimony tin oxide surface as a novel and highly efficient photodetector in UV, Vis, and near IR regions

Nomery Hadia, Mohamed Shaban, S. Mohamed, Ali Al-Ghamdi, Meshal Alzaid, Asmaa Elsayed, Abdel Hamid I. Mourad, Mohammed Amin, Rabah Boukherroub, Ahmed Adel A. Abdelazeez, Mohamed Rabia

The work reports on the preparation of polyaniline/lead iodide optoelectronic photodetector on antimony tin oxide (ATO) glass (PANI/PbI2/ATO) for providing a low-cost light sensor in the UV, Vis, and near IR regions (wide optical range photodetector). The deposition of PbI2 nanoparticles was…

Polymers for Advanced Technologies, 2022, 33 (12), pp.3977-3987. ⟨10.1002/pat.5829⟩. ⟨hal-03770752⟩

Article dans une revue

Dendrogram-based Artificial Neural Network modulation classification for dual-hop cooperative relaying communications

H. Moulay, A.B. Djebbar, B. Dehri, Iyad Dayoub

This paper contributes to the growing field of Artificial Neural Networks (ANNs) strategies of Automatic Modulation Identification (AMI) for Cognitive Radio (CR). Traditional AMI-based ANN methods suffer from many drawbacks such as overfitting due to ANN architectures with complex layers, low…

Physical Communication, 2022, 55, pp.101929. ⟨10.1016/j.phycom.2022.101929⟩. ⟨hal-03852280⟩

Article dans une revue

Negative‐Index Acoustic Metamaterial Operating above 100 kHz in Water Using Microstructured Silicon Chips as Unit Cells

Jiaying Wang, Florian Allein, Cécile Floer, Nicholas Boechler, James Friend, Oscar Vazquez-Mena

A major challenge for negative-index acoustic metamaterials is increasing their operational frequency to the MHz range in water for applications such as biomedical ultrasound. Herein, a novel technology to realize acoustic metamaterials in water using microstructured silicon chips as unit cells…

Advanced Materials Technologies, 2022, 7 (12), pp.2200407. ⟨10.1002/admt.202200407⟩. ⟨hal-03745861⟩

Article dans une revue

Theoretical modeling of dendrite growth from conductive wire electro-polymerization

Ankush Kumar, Kamila Janzakova, Yannick Coffinier, Sébastien Pecqueur, F. Alibart

Abstract Electropolymerization is a bottom-up materials engineering process of micro/nano-scale that utilizes electrical signals to deposit conducting dendrites morphologies by a redox reaction in the liquid phase. It resembles synaptogenesis in the brain, in which the electrical stimulation in the…

Scientific Reports, 2022, 12 (1), pp.6395. ⟨10.1038/s41598-022-10082-6⟩. ⟨hal-03662526⟩

Article dans une revue

A flexible and wearable dual band bio-based antenna for WBAN applications

Abdelghafour Sid, Pierre-Yves Cresson, Nicolas Joly, Flavie Braud, Tuami Lasri

This paper presents a flexible and wearable (on-body) dual band antenna operating in two Industrial, Scientific and Medical (ISM) frequency bands. The central frequencies selected are equal to 2.45 GHz and 5.8 GHz. In order to make the antenna suitable for Wireless Body Area Network (WBAN)…

AEÜ - International Journal of Electronics and Communications / Archiv für Elektronik und Übertragungstechnik, 2022, 157, pp.154412. ⟨10.1016/j.aeue.2022.154412⟩. ⟨hal-03793739⟩

Article dans une revue

Tunable Topological Acoustic Tamm States in Comblike Structures Based on Band Inversion around Flat Bands

Soufyane Khattou, Yamina Rezzouk, Madiha Amrani, Mohamed El Ghafiani, El Houssaine El Boudouti, Abdelkrim Talbi, Bahram Djafari-Rouhani

We investigate the existence of acoustic Tamm states at the interface between two one-dimensional (1D) comblike phononic crystals (PnCs) based on slender tubes and discuss their topological or trivial character. The PnCs consist of stubs grafted periodically along a waveguide and the two crystals…

Crystals, 2022, 12 (12), pp.1685. ⟨10.3390/cryst12121685⟩. ⟨hal-03874975⟩

Thèse

Cristaux phononiques aléatoires, Random phononic crystals

Rock Akiki

Au début des années 1990, une nouvelle discipline de la physique est apparue à travers l'étude des cristaux phononiques. Ce travail s'intéresse aux cristaux phononiques, cristaux artificiels dont les propriétés physiques peuvent être modulées par la nature et/ou la géométrie de leurs…, In the early 1990s, a new discipline of physics appeared through the study of phononic crystals. This work focuses on phononic crystals, artificial crystals whose physical properties can be modulated by the nature and/or the geometry of their components. These materials have allowed the…

Acoustique [physics.class-ph]. Université de Lille, 2022. Français. ⟨NNT : 2022ULILN027⟩. ⟨tel-04032849⟩