611 citations
- University of CataniaIT114 papers
- Istituto Nazionale di Fisica Nucleare, Sezione di CataniaIT61 papers
- National Research CouncilLK50 papers
- Centre National de la Recherche ScientifiqueFR41 papers
- National University of SingaporeSG32 papers
- University of Milano-BicoccaIT31 papers
- Centre for Quantum TechnologiesSG27 papers
- Université Grenoble AlpesFR23 papers
- Nanyang Technological UniversitySG21 papers
- University of PalermoIT19 papers
- National Institute of Education18 papers
- UMI MajuLabSG18 papers
33 papers · 1 filter
Tailoring the Dimensionality of Tellurium Nanostructures via Vapor Transport Growth
Sara Ghomi, Pinaka Pani Tummala, Raimondo Cecchini +5
The interest in tellurium nanostructures is on the rise due to their outstanding physical properties including high carrier mobility, anisotropic charge conduction, photoconductivi…
Threshold voltage instability by charge trapping effects in the gate region of p-GaN HEMTs
Giuseppe Greco, Patrick Fiorenza, Filippo Giannazzo +6
In this work, the threshold voltage instability of normally-off p-GaN high electron mobility transistors (HEMTs) has been investigated by monitoring the gate current density during…
Electrical evolution of W and WC Schottky contacts on 4H-SiC at different annealing temperatures
Marilena Vivona, Gabriele Bellocchi, Raffaella Lo Nigro +2
In this paper, we investigate the electrical evolution of tungsten (W) and tungsten carbide (WC) Schottky contacts on 4H-SiC subjected to thermal treatments at different annealing…
Generation of electron vortex beams with over 1000 orbital angular momentum quanta using a tuneable electrostatic spiral phase plate
A. H. Tavabi, P. Rosi, A. Roncaglia +9
We report the use of an electrostatic MEMS-based device to produce high quality electron vortex beams with more than 1000 quanta of orbital angular momentum (OAM). Diffraction and…
Experimental demonstration of ultrathin broken-symmetry metasurfaces with controllably sharp resonant response
Odysseas Tsilipakos, Luca Maiolo, Francesco Maita +5
Symmetry-protected resonances can be made to couple with free space by introducing a small degree of geometric asymmetry, leading to controllably-sharp spectral response. Here, we…
Design and characterization of effective solar cells
Varun Ojha, Giorgio Jansen, Andrea Patane +3
We propose a two-stage multi-objective optimization framework for full scheme solar cell structure design and characterization, cost minimization and quantum efficiency maximizatio…