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Affichage de 1871 à 1880 sur 16181

Article dans une revue

Phototunable chip-scale topological photonics: 160 Gbps waveguide and demultiplexer for THz 6G communication

Abhishek Kumar, Manoj Gupta, Prakash Pitchappa, Nan Wang, Pascal Szriftgiser, Guillaume Ducournau, Ranjan Singh

The revolutionary 5G cellular systems represent a breakthrough in the communication network design to provide a single platform for enabling enhanced broadband communications, virtual reality, autonomous driving, and the internet of everything. However, the ongoing massive deployment of 5G networks…

Nature Communications, 2022, 13 (1), 5404, 9 p. ⟨10.1038/s41467-022-32909-6⟩. ⟨hal-03787751⟩

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

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

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

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

An electronic nose using conductometric gas sensors based on P3HT doped with triflates for gas detection using computational techniques (PCA, LDA, and kNN)

Aicha Boujnah, Aimen Boubaker, Sébastien Pecqueur, Kamal Lmimouni, Adel Kalboussi

This study presents the development of an electronic nose comprising eight homemade sensors with pure P3HT and doped with different materials. The objective is to electronically identify the gases exposed on these sensors and evaluate the accuracy of target-gas classification. The resistance…

Journal of Materials Science: Materials in Electronics, 2022, 33, pp.27132-27146. ⟨10.1007/s10854-022-09376-2⟩. ⟨hal-03851261⟩

Article dans une revue

SARS-CoV-2 detection using a nanobody-functionalized voltammetric device

Quentin Pagneux, Alain Roussel, Hiba Saada, Christian Cambillau, Béatrice Amigues, Vincent Delauzun, Ilka Engelmann, Enagnon Kazali Alidjinou, Judith Ogiez, Anne Sophie Rolland, Julien Poissy, Alain Duhamel, Rabah Boukherroub, David Devos, Sabine Szunerits

Background: An ongoing need during the COVID-19 pandemic has been the requirement for accurate and efficient point-of-care testing platforms to distinguish infected from non-infected people, and to differentiate SARS-CoV-2 infections from other viruses. Electrochemical platforms can detect the…

Communications Medicine, 2022, 2 (1), pp.56. ⟨10.1038/s43856-022-00113-8⟩. ⟨hal-03681653⟩

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⟩