Publicaciones

• Article dans une revue

Topological surface wave metamaterials for robust vibration attenuation and energy harvesting

Xinyue Wu, Yabin Jin, Abdelkrim Khelif, Xiaoying Zhuang, Timon Rabczuk, Bahram Djafari-Rouhani

We propose topological metamaterials working in Hertz frequency range, constituted of concrete pillars on the soil ground in a honeycomb lattice. Based on the analog of the quantum valley Hall effect, a non-trivial bandgap is formed by breaking the inversion symmetry of the unit cell. A topological...

Mechanics of Advanced Materials and Structures, 2021, pp.1937758 (9). ⟨10.1080/15376494.2021.1937758⟩. ⟨hal-03549400⟩

• Chapitre d'ouvrage

10 - Photonic Demultiplexers Based on Fano and Induced Transparency Resonances

El Houssaine El Boudouti, Abdellatif Akjouj, Bahram Djafari-Rouhani, Abdelkrim Talbi, L. Dobrzynski

In this chapter, we give an analytical and experimental demonstration of the possibility to realize a simple photonic demultiplexer based on Fano and electromagnetically induced transparency resonances. The demultiplexer consists on a Y-shaped waveguide with an input line and two output lines. Each...

Photonics, Part 2: Photonic Circuits, Elsevier, pp.193-217, 2021, 978-0-12-819388-4. ⟨10.1016/B978-0-12-819388-4.00020-4⟩. ⟨hal-03359901⟩

• Chapitre d'ouvrage

12 - Serial Loop Structures: Photonic Bandgaps, Confined, Cavity, and Surface Modes

El Houssaine El Boudouti, Bahram Djafari-Rouhani, Abdellatif Akjouj, L. Dobrzynski

In this chapter, we investigate the electromagnetic band structure, transmission, phase time, as well as confined and surface modes in a one-dimensional photonic structure made of loops pasted together with segments of finite length. In this serial loop structure, the loops and segments are...

Photonics, Part 2: Photonic Circuits, Elsevier, pp.287-331, 2021, 978-0-12-819388-4. ⟨10.1016/B978-0-12-819388-4.00022-8⟩. ⟨hal-03359902⟩

• Article dans une revue

Enhancement of both optical and catalytic activity of copper-decorated porous silicon micro-particles

Abderrahmane Hamdi, Chohdi Amri, Rachid Ouertani, El Hadj Dogheche, Hatem Ezzaouia

To the best of our knowledge, this study is the first to investigate the effect of chemical vapour etching (CVE) combined with copper decoration on both the optical and catalytic activities of silicon micro-particles (SiμPs). After exposure to acid vapours emanating from a hot solution of hydrogen...

European Physical Journal: Applied Physics, 2021, 93 (3), pp.30402. ⟨10.1051/epjap/2021200380⟩. ⟨hal-03167266⟩

• Article dans une revue

Robust Automatic Modulation Recognition Through Joint Contribution of Hand-Crafted and Contextual Features

Bachir Jdid, Wei Hong Lim, Iyad Dayoub, Kais Hassan, Mohd Rizon Bin Mohamed Juhari

Automatic modulation recognition (AMR) has become increasingly important in the field of signal processing, especially with the advancements of intelligent communication systems. Deep Learning (DL) technologies have been incorporated into the AMR field and they have shown outstanding performances...

IEEE Access, 2021, 9, pp.104530-104546. ⟨10.1109/ACCESS.2021.3099222⟩. ⟨hal-03382822⟩

• Communication dans un congrès

Resistance measurement of individual Ag nanowires and interconnects

Yevheniia Chernukha, Dorina T. Papanastasiou, Thomas Lerond, Laëtitia Bardet, D. Deresmes, Thierry Melin, Laurent Gangloff, Daniel Bellet, Maxime Berthe

Journées du GDR Nanosciences with near-field microscopy under ultra high vacuum 2021, Nov 2021, Toulouse, France. ⟨hal-03606007⟩

• Article dans une revue

Theoretical analysis of the effect of the interfacial MoSe$_2$ layer in CIGS-based solar cells

Adama Sylla, N’guessan Armel Ignace, Touré Siaka, Jean-Pierre Vilcot

The aim of this work is to analyze the influence of the interfacial MoSe$_2$ layer on the performance of a /n-ZnO/i-ZnO/n-Zn(O,S)/p-CIGS/p⁺-MoSe₂/Mo/SLG solar cell. In this investigation, the numerical simulation software AFORS-HET is used to calculate...

Open Journal of Modelling and Simulation, 2021, 09 (04), pp.339-350. ⟨10.4236/ojmsi.2021.94022⟩. ⟨hal-03681482⟩

• Article dans une revue

Recognition of COVID-19 from CT Scans Using Two-Stage Deep-Learning-Based Approach: CNR-IEMN

Fares Bougourzi, Riccardo Contino, Cosimo Distante, Abdelmalik Taleb-Ahmed

Since the appearance of the COVID-19 pandemic (at the end of 2019, Wuhan, China), the recognition of COVID-19 with medical imaging has become an active research topic for the machine learning and computer vision community. This paper is based on the results obtained from the 2021 COVID-19 SPGC...

Sensors, 2021, 21 (17), pp.5878. ⟨10.3390/s21175878⟩. ⟨hal-03429749⟩

• Article dans une revue

Facile Charge Transfer between Barbituric Acid and Chloranilic Acid over g-C3N4: Synthesis, Characterization and DFT Study

Gaber Mersal, Mohamed Ibrahim, Mohammed Amin, Amine Mezni, Nasser Mostafa, Sarah Alharthi, Rabah Boukherroub, Hamdy El-Sheshtawy

The molecular complexes between barbituric acid (BU) and chloranilic acid (ChA) over graphitic nitride (g-C3N4) are investigated. The molecular complexes and the nanocomposite were investigated both in solid state and in methanol. The solid complexes and the corresponding nanocomposite were...

Crystals, 2021, 11 (6), pp.636. ⟨10.3390/cryst11060636⟩. ⟨hal-03441462⟩

• Chapitre d'ouvrage

18 - Optical Tamm States in Semiinfinite Layered Photonic Crystals

Abdellatif Akjouj, El Houssaine El Boudouti, L. Dobrzynski, Bahram Djafari-Rouhani, Gaëtan Lévêque

We investigate localized and resonant optical waves associated with a semiinfinite one-dimensional photonic crystal constructed by two different layers (1 and 2) and terminated with a cap layer. In this chapter, we present an analytic determination of the response function (Green's function)...

Photonics, Part Three: Photonic Materials, Elsevier, pp.489-527, 2021, 978-0-12-819388-4. ⟨10.1016/B978-0-12-819388-4.00029-0⟩. ⟨hal-03360006⟩