Publications

• COMM

Theoretical modeling and optimization of GaAsPN/GaAs tandem dual-junction solar cells

Ahmed Bahi Azzououm, Abdelkader Aissat, Jean-Pierre Vilcot

This paper presents an optimization and simulation of optical and electrical properties of GaAsPN/GaAs tandem Dual-Junction solar cells such as current density-voltage (J-V), external quantum efficiency (EQE), with an AM1.5 solar spectrum. We comparing the simulated performance of various N…

International Conference on Electronic Engineering and Renewable Energy, ICEERE 2020, Apr 2020, Saidia, Morocco. pp.333-338, ⟨10.1007/978-981-15-6259-4_35⟩. ⟨hal-03043571⟩

• COUV

GaN-based HEMTs for mm-wave applications

Kathia Harrouche, F Medjdoub

Nitride Semiconductor Technology: Power Electronics and Optoelectronic Devices, 2020, ISBN 978-3-527-34710-0 ; e-ISBN 978-3-527-82525-7. ⟨hal-03287288⟩

• ART

Cellulose nanocrystals/graphene hybrids - A promising new class of materials for advanced applications

Djalal Trache, Vijay Kumar Thakur, Rabah Boukherroub

With the growth of global fossil-based resource consumption and the environmental concern, there is an urgent need to develop sustainable and environmentally friendly materials, which exhibit promising properties and could maintain an acceptable level of performance to substitute the petroleum-…

Nanomaterials, 2020, 10 (8), pp.1523. ⟨10.3390/nano10081523⟩. ⟨hal-03090012⟩

• COMM

High Power AlN/GaN HEMTs with record power-added-efficiency >70% at 40 GHz

Kathia Harrouche, Riad Kabouche, Etienne Okada, F Medjdoub

We report on breakthrough power-added-efficiency (PAE) Q-band performances using a vertically scaled AlN/GaN HEMT technology. The comparison between a 3 nm and 4 nm barrier thickness shows both superior performance and robustness for the thinner barrier layer attributed to the reduced mechanical…

IEEE/MTT-S International Microwave Symposium (IMS 2020), Aug 2020, Los Angeles, CA, United States. Session Tu3H - Advances in Microwave Semiconductor Devices, paper Tu3H-2, 285-288, ⟨10.1109/IMS30576.2020.9223971⟩. ⟨hal-03043653⟩

• COMM

Evaluation of micro laser sintering metal 3D-printing technology for the development of waveguide passive devices up to 325 GHz

Victor Fiorese, Cybelle Belem-Gonçalves, Carlos del Rio, Diane Titz, Frédéric Gianesello, Cyril Luxey, Guillaume Ducournau, Emmanuel Dubois, Christophe Gaquière, Daniel Gloria

In this paper, we propose an assessment up to 325 GHz of Micro Laser Sintering (MLS) metal 3D-Printing technology in order to achieve lightweight and cost-effective millimeter wave (mmW) passive function. We first designed and manufactured a bended WR5 waveguide in order to assess achievable…

IEEE/MTT-S International Microwave Symposium, IMS 2020, Aug 2020, Los Angeles, United States. pp.1168-1171, ⟨10.1109/IMS30576.2020.9224102⟩. ⟨hal-03091222⟩

• ART

Vertical multilayer structures based on porous silicon layers for mid-infrared applications

Warda Raiah, Yannick Coffinier, V. Thomy, Maxime Duris, Mohammed Guendouz, Nathalie Lorrain, Parastesh Pirasteh, Loïc Bodiou, Joël Charrier

In this work, the fabrication of a porous silicon Bragg reflector and vertical cavity on P+ silicon substrate is investigated for applications in spectroscopic sensing in the mid-infrared (Mid-IR) wavelength range. The complex refractive index of porous silicon layers is measured. Optical vertical…

Optical Materials Express, 2020, 10 (8), pp.1921-1930. ⟨10.1364/OME.396343⟩. ⟨hal-03043784⟩

• ART

Broadband Asymmetric Propagation in Pillared Meta-Plates

Lin Chen, Wei Wang​, Guohua Nie, Yabin Jin, Daniel Torrent, Bahram Djafari-Rouhani

The asymmetric propagation of mechanical energy across interfaces is a challenging problem with a wide range of applications. In this work, we present a novel structure presenting the asymmetric propagation of elastic waves in thin plates in a broadband range. The structure consists of a…

Crystals, 2020, 10 (8), pp.702. ⟨10.3390/cryst10080702⟩. ⟨hal-02941995⟩

• COMM

Analysis of Si and GaN GAA-NW-FETs in High-k Gate Oxides for Next Generation Mobile Systems

Ygor Fonseca, Rafael Nobrega, Ulysses Duarte, Thiago Raddo, Andy Triwinarko, Iyad Dayoub, Anderson Sanches, Murilo Loiola

Next-generation mobile systems will eventually be based on a vast range of innovative devices and components. Some of these devices, either electronic or optical, will play a key role in the system to support growing data traffic demand. In this paper, an analysis of silicon (Si) and gallium…

12th International Symposium on Communication Systems, Networks and Digital Signal Processing (CSNDSP 2020), Jul 2020, Porto, Portugal. pp.1-5, ⟨10.1109/CSNDSP49049.2020.9249531⟩. ⟨hal-03382857⟩

• ART

Textile NFC antenna for power and data transmission across clothes

Baptiste Garnier, Philippe Mariage, Francois Rault, Cedric Cochrane, Vladan Koncar

In this article, it is shown how a smartphone can be used together with an e-textile structure, such as smart clothing, or any other smart home textile structure, smart composite, etc, to power it and to send and receive data generated by the e-textile by using the magnetic induction phenomenon…

Smart Materials and Structures, 2020, 29 (8), 085017, 8 p. ⟨10.1088/1361-665X/ab8a6d⟩. ⟨hal-03270113⟩

• ART

2-D Modeling of Rosen-Type Piezoelectric Transformer by Means of a Polynomial Approach

Derandraibe Jeannot Falimiaramanana, Faniry Emilson Ratolojanahary, Jean-Etienne Lefebvre, Lahoucine El Maimouni, Mohamed Rguiti

A 2-D semianalytical model using the Legendre polynomial approach was applied for modeling the piezoelectric transformer (PT). In the model, the mechanical displacements and the electric potential were expanded in a double series of orthonormal polynomials with an appropriate analytical form.…

IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control, 2020, 67 (8), pp.1701-1714. ⟨10.1109/TUFFC.2020.2975647⟩. ⟨hal-03480267⟩