416 citations · 3.6k across the 70 of their papers we have counts for
12 papers · 1 filter
Microscopic understanding of ultrafast charge transfer in van-der-Waals heterostructures
R. Krause, S. Aeschlimann, M. Chavez-Cervantes +7
Van-der-Waals heterostructures show many intriguing phenomena including ultrafast charge separation following strong excitonic absorption in the visible spectral range. However, de…
Thermal stability of monolayer in BEOL conditions
Simona Pace, Marzia Ferrera, Domenica Convertino +8
Monolayer tungsten disulfide () has recently attracted large interest as a promising material for advanced electronic and optoelectronic devices such as photodetectors, modul…
Wafer-scale integration of graphene-based photonic devices
Marco A. Giambra, Vaidotas Mišeikis, Sergio Pezzini +7
Graphene and related materials can lead to disruptive advances in next generation photonics and optoelectronics. The challenge is to devise growth, transfer and fabrication protoco…
Tuning the doping of epitaxial graphene on a conventional semiconductor via substrate surface reconstruction
Miriam Galbiati, Luca Persichetti, Paola Gori +8
Combining scanning tunneling microscopy and angle-resolved photoemission spectroscopy, we demonstrate how to tune the doping of epitaxial graphene from p to n by exploiting the str…
Ultrafast, Zero-Bias, Graphene Photodetectors with Polymeric Gate Dielectric on Passive Photonic Waveguides
Vaidotas Mišeikis, Simone Marconi, Marco A. Giambra +15
We report compact, scalable, high-performance, waveguide integrated graphene-based photodetectors (GPDs) for telecom and datacom applications, not affected by dark current. To expl…
Stress-strain in electron-beam activated polymeric micro-actuators
Davide Giambastiani, Fabio Dispinzeri, Francesco Colangelo +5
Actuation of thin polymeric films via electron irradiation is a promising avenue to realize devices based on strain engineered two dimensional (2D) materials. Complex strain profil…
Synthesis of large-area rhombohedral few-layer graphene by chemical vapor deposition on copper
Chamseddine Bouhafs, Sergio Pezzini, Neeraj Mishra +6
Rhombohedral-stacked few-layer graphene (FLG) has been receiving an ever-increasing attention owing to its peculiar electronic properties that could lead to enticing phenomena such…
Graphene Plasmonic Fractal Metamaterials for Broadband Photodetectors
Francesco De Nicola, Nikhil Santh Puthiya Purayil, Vaidotas Miŝeikis +6
Metamaterials have recently established a new paradigm for enhanced light absorption in state-of-the-art photodetectors. Here, we demonstrate broadband, highly efficient, polarizat…
High-quality electrical transport using scalable CVD graphene
Sergio Pezzini, Vaidotas Mišeikis, Simona Pace +4
Producing and manipulating graphene on fab-compatible scale, while maintaining its remarkable carrier mobility, is key to finalize its technological application. We show that a lar…
Graphene promotes axon elongation through local stall of Nerve Growth Factor signaling endosomes
D. Convertino, F. FabbrI, N. Mishra +8
Several works reported increased differentiation of neuronal cells grown on graphene; however, the molecular mechanism driving axon elongation on this material has remained elusive…
High-speed double layer graphene electro-absorption modulator on SOI waveguide
Marco A. Giambra, Vito Sorianello, Vaidotas Miseikis +6
We report on a C-band double layer graphene electro-absorption modulator on a passive SOI platform showing 29GHz 3dB-bandwith and NRZ eye-diagrams extinction ratios ranging from 1.…
30-twisted bilayer graphene quasicrystals from chemical vapor deposition
Sergio Pezzini, Vaidotas Miseikis, Giulia Piccinini +8
The artificial stacking of atomically thin crystals suffers from intrinsic limitations in terms of control and reproducibility of the relative orientation of exfoliated flakes. Thi…