Publicaciones

• Article dans une revue

A time-domain model and experimental validation of the acoustic field radiated by air-coupled transducers

Ji Li, Bogdan Piwakowski

This paper presents a time-domain model for the prediction of an acoustic field in an air-coupled, noncontact, ultrasonic setup, which includes an air-coupled Emitter, the Propagation space and an aircoupled Receiver (EPR). The model takes into account the finite size of the aperture receiver,...

Ultrasonics, 2018, 82, pp.114-129. ⟨10.1016/j.ultras.2017.07.020⟩. ⟨hal-03183512⟩

• Article dans une revue

Effective and rapid technique for temporal response modeling of surface acoustic wave interdigital transducers

Dame Fall, Marc Duquennoy, Mohammadi Ouaftouh, Bogdan Piwakowski, Frédéric Jenot

Surface Acoustic Wave Interdigital Transducers (SAW-IDT) has a considerable application potential for characterization of properties of thin layers, coatings and functional surfaces. For optimization of these SAW-IDTs, it is necessary to study various SAW-IDT configurations by varying the number of...

Ultrasonics, 2018, 82, pp.371-378. ⟨10.1016/j.ultras.2017.09.018⟩. ⟨hal-03183502⟩

• Article dans une revue

High-Sensitivity Sensor Using C 60 -Single Molecule Transistor

Abdelghaffar Nasri, Aimen Boubaker, Bilel Hafsi, Wassim Khaldi, Adel Kalboussi

IEEE Sensors Journal, 2018, 18 (1), pp.248-254. ⟨10.1109/JSEN.2017.2769803⟩. ⟨hal-04422347⟩

• Communication dans un congrès

Nano-structured top contact with low optical polarization dependence for THz generation using photodiodes

Sara Bretin, Maximilien Billet, Emilien Peytavit, Francois Vaurette, Christophe Coinon, X. Wallart, Jean-Francois Lampin, Malek Zegaoui, Guillaume Ducournau, Mohammed Zaknoune

Uni-travelling carrier photodiode (UTC-PD) with different top optical and electrical accesses are proposed towards optical polarization sensitivity reduction. With the optimized structure, only 1 percent dependence in optical polarization is obtained while ensuring good RF access. Measurements up...

43rd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), Sep 2018, Nagoya, Japan. ⟨10.1109/IRMMW-THz.2018.8510466⟩. ⟨hal-03286176⟩

• Article dans une revue

Non-destructive characterization of surfaces and thin coatings using a large-bandwidth interdigital transducer

Dame Fall, Marc Duquennoy, Mohammadi Ouaftouh, Nikolay Smagin, Bogdan Piwakowski, Frédéric Jenot

This paper deals with non-destructive testing of thin layer structures using Rayleigh-type waves over a broad frequency range (25-125 MHz). The dispersion phenomenon was used to characterize a layer-on-substrate-type sample comprising a thin layer of platinum 100 nm thick on a silicon substrate....

Review of Scientific Instruments, 2018, 89 (12), pp.124901. ⟨10.1063/1.5045213⟩. ⟨hal-03185106⟩

• Article dans une revue

Resolving the Controversial Existence of Silicene and Germanene Nanosheets Grown on Graphite

Wenbing Peng, Tao Xu, Pascale Diener, Louis Biadala, Maxime Berthe, Xiaodong Pi, Yves Borensztein, Alberto Curcella, Romain Bernard, Geoffroy Prévot, B. Grandidier

The highly oriented pyrolytic graphite (HOPG) surface, consisting of a dangling bond-free lattice, is regarded as a potential substrate for van der Waals heteroepitaxy of two-dimensional layered materials. In this work, the growth of silicon and germanium on HOPG is investigated with scanning...

ACS Nano, 2018, 12 (5), pp.4754-4760. ⟨10.1021/acsnano.8b01467⟩. ⟨hal-03037862v2⟩

• Communication dans un congrès

Characterization and Electrical Modeling Including Trapping Effects of AIN/GaN HEMT 4×50μm on Silicon Substrate

Mohamed Bouslama, Ahmad Al Hajjar, Raphaël Sommet, Jean-Christophe Nallatamby, F Medjdoub

This paper reports the full characterization and modeling of novel AlN/GaN HEMTs on silicon using a short gate length. This device has been optimized for high frequency analog circuits applications. The presented model includes DC and small-signal modeling steps taking into account the trapping...

13th European Microwave Integrated Circuits Conference (EuMIC 2018), Sep 2018, Madrid, Spain. pp.333-336, ⟨10.23919/EuMIC.2018.8539941⟩. ⟨hal-02356757⟩

• Article dans une revue

Efficient functional cyst formation of biliary epithelial cells using microwells for potential bile duct organisation in vitro

Astia Rizki-Safitri, Marie Shinohara, Yasushi Miura, Mathieu Danoy, Minoru Tanaka, Atsushi Miyajima, Yasuyuki Sakai

Establishing a bile duct in vitro is valuable to obtain relevant hepatic tissue culture systems for cellbased assays in chemical and drug metabolism analyses. The cyst constitutes the initial morphogenesis for bile duct formation from biliary epithelial cells (BECs) and serves the main building...

Scientific Reports, 2018, 8 (1), pp.11086. ⟨10.1038/s41598-018-29464-w⟩. ⟨hal-03185611⟩

• Article dans une revue

Structural determination of bilayer graphene on SiC(0001) using synchrotron radiation photoelectron diffraction

I. Razado-Colambo, J. Avila, D. Vignaud, S. Godey, X. Wallart, D P Woodruff, M.C. Asensio

In recent years there has been growing interest in the electronic properties of ‘few layer’ graphene films. Twisted layers, different stacking and register with the substrate result in remarkable unconventional couplings. These distinctive electronic behaviours have been attributed to structural...

Scientific Reports, 2018, 8 (1), pp.10190. ⟨10.1038/s41598-018-28402-0⟩. ⟨hal-04438362⟩

• Article dans une revue

Electronic Biosensing with Flexible Organic Transistor Devices

Caroline Kotlowski, Patrik Aspermair, Hadayat Ullah Khan, Ciril Reiner-Rozman, Josef Breu, Sabine Szunerits, Jang-Joo Kim, Zhenan Bao, Christoph Kleber, Paolo Pelosi, Wolfgang Knoll

In this short review, we summarize the design and implementation of organic semiconducting materials-based field-effect transistors (OFETs) and the fabrication and use of reduced graphene-oxide field-effect transistors (rGO–FETs) as flexible transducers for electronic biosensing. We demonstrate...

Flexible and Printed Electronics, 2018, 3 (3), pp.034003. ⟨10.1088/2058-8585/aad433⟩. ⟨hal-03185607⟩