Publications

Affichage de 5071 à 5080 sur 16099


  • Article dans une revue

GaN-Based Laser Wireless Power Transfer System

Carlo de Santi, Matteo Meneghini, Alessandro Caria, Ezgi Dogmus, Malek Zegaoui, F Medjdoub, Boris Kalinic, Tiziana Cesca, Gaudenzio Meneghesso, Enrico Zanoni

The aim of this work is to present a potential application of gallium nitride-based optoelectronic devices. By using a laser diode and a photodetector, we designed and demonstrated a free-space compact and lightweight wireless power transfer system, whose efficiency is limited by the efficiency of…

Materials, 2018, 11 (1), pp.153. ⟨10.3390/ma11010153⟩. ⟨hal-02356738⟩

  • Article dans une revue

Evidence of optically induced degradation in gallium nitride optoelectronic devices

Carlo de Santi, Alessandro Caria, Nicola Renso, Ezgi Dogmus, Malek Zegaoui, F Medjdoub, Gaudenzio Meneghesso, Enrico Zanoni, Matteo Meneghini

We provide experimental evidence that gallium-nitride-based optoelectronic devices can be affected by a photon-driven degradation mechanism unrelated to catastrophic optical damage. Any role of current in such degradation is excluded by stress tests under laser irradiation in the open-circuit…

Applied Physics Express, 2018, 11 (11), pp.111002. ⟨10.7567/APEX.11.111002⟩. ⟨hal-02356737⟩

  • Communication dans un congrès

Non Destructive Evaluation of concrete material properties for nuclear power plant survey: results in the laboratory and on the VeRCoRS mock-up

Odile Abraham, Jean François Chaix, V Garnier, Jean-Marie Henault, Jean-Baptiste Legland, Charles Ciccarone, Hognon Sogbossi, Géraldine Villain, Bogdan Piwakowski, J Verdier, Olivier Durand, G Gugole, S Rakotonarivo, Xavier Derobert, R Drelich

Pre-stressed concrete nuclear power plant containment vessel is the third barrier in case of an accident so that quantifying concrete properties with Non Destructive Evaluation (NDE) is a continuing goal. This includes the mapping of the following concrete properties: elastic modulus, water…

NDE/NDT, Structural Materials Technology for Highways and Bridges (SMT) and the International Symposium on Non-Destructive Testing in Civil Engineering (NDT-CE) 2018, Aug 2018, New Brunswick, United States. 9p. ⟨hal-02048420⟩

  • Article dans une revue

Graphene FETs Based on High Resolution Nanoribbons for HF Low Power Applications

David Mele, Sarah Mehdhbi, Dalal Fadil, Wei Wei, Abdelkarim Ouerghi, Sylvie Lepilliet, Henri Happy, Emiliano Pallecchi

In this paper we present high frequency field effect transistors based on graphene nanoribbons arrays (GNRFETs). The nanoribbons serve as a channel for the transistors and are fabricated with a process based on e-beam lithography and dry etching of high mobility hydrogen intercalated epitaxial…

Electronic Materials Letters, 2018, 14 (2), pp.133-138. ⟨10.1007/s13391-018-0038-x⟩. ⟨hal-03183508⟩

  • Communication dans un congrès

Highly Sensitive Surface Acoustic Wave Magnetic Field Sensor Using Multilayered TbCo2/FeCo Thin Film

Aurelien Mazzamurro, Abdelkrim Talbi, Yannick Dusch, Omar Elmazria, Philippe Pernod, Olivier Bou Matar, Nicolas Tiercelin

Over the last decades, the use of Surface Acoustic Waves (SAW) has emerged as a promising technology in many applications such as filters, signal processing but also sensors. We report the fabrication and the characterization of a SAW delay line magnetic field sensor using uniaxial multi-layered…

32nd Eurosensors Conference, EUROSENSORS 2018, Sep 2018, Graz, Austria. pp.902, ⟨10.3390/proceedings2130902⟩. ⟨hal-02318300⟩