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Affichage de 1911 à 1920 sur 16088

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

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

Synergism induced sensitive SERS sensing to detect 2,6-Di-t-butyl-p-hydroxytoluene (BHT) with silver nanotriangles sensitized ZnO nanorod arrays for food security applications

Krithikadevi Ramachandran, Abderrahmane Hamdi, Soumya Columbus, Nour Al Meselmene, El Hadj Dogheche, Kais Daoudi, Mounir Kaidi

By the over exploitation of synthetic phenolic antioxidants [2,6-Di-t-butyl-p-hydroxytoluene (BHT)] alarm the society with greater health risk urge for careful monitoring and assessment. To accomplish the objective, surface enhanced Raman scattering (SERS) is explored as prominent technique for…

Surfaces and Interfaces, 2022, 35, pp.102407. ⟨10.1016/j.surfin.2022.102407⟩. ⟨hal-03835398⟩

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⟩

Article dans une revue

IDT: an incremental deep tree framework for biological image classification

Wafa Mousser, Salima Ouadfel, Abdelmalik Taleb-Ahmed, Ilham Kitouni

Nowadays, breast and cervical cancers are respectively the first and fourth most common causes of cancer death in females. It is believed that, automated systems based on artificial intelligence would allow the early diagnostic which increases significantly the chances of proper treatment and…

Artificial Intelligence in Medicine, 2022, 134, pp.102392. ⟨10.1016/j.artmed.2022.102392⟩. ⟨hal-03895733⟩