98 citations · 600 across the 21 of their papers we have counts for
21 papers
Functionalization of reduced graphite oxide sheets with a zwitterionic surfactant
Beatriz Martín-García, M. Mercedes Velázquez, Francesco Rossella +7
Films of a few layers in thickness of reduced graphite oxide, RGO, sheets functionalized by the zwitterionic surfactant N-dodecyl-N,N-dimethyl-3-ammonio-1-propanesulfonate, DDPS, a…
Giant reduction of thermal conductivity in twinning superlattice InAsSb nanowires
Lorenzo Peri, Domenic Prete, Valeria Demontis +5
Semiconductor nanostructures hold great promise for high-efficiency waste heat recovery exploiting thermoelectric energy conversion, a technological breakthrough that could signifi…
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…
Morphology and magneto-transport in exfoliated graphene on ultrathin crystalline \b{eta}-Si3N4(0001)/Si(111)
Sedighe Salimian, Shaohua Xiang, Stefano Colonna +6
We report the first experimental study of graphene transferred on \b{eta}-Si3N4(0001)/Si(111). Our work provides a comprehensive quantitative understanding of the physics of ultrat…
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…
Orbital Tuning of Tunnel Coupling in InAs/InP Nanowire Quantum Dots
Zahra Sadre Momtaz, Stefano Servino, Valeria Demontis +7
We report results on the control of barrier transparency in InAs/InP nanowire quantum dots via the electrostatic control of the device electron states. Recent works demonstrated th…
Anisotropies of the g-factor tensor and diamagnetic coefficient in crystal-phase quantum dots in InP nanowires
Shiyao Wu, Kai Peng, Sergio Battiato +17
Crystal-phase low-dimensional structures offer great potential for the implementation of photonic devices of interest for quantum information processing. In this context, unveiling…
Microwave-Assisted Tunneling in Hard-Wall InAs/InP Nanowire Quantum Dots
Samuele Cornia, Francesco Rossella, Valeria Demontis +5
With downscaling of electronic circuits, components based on semiconductor quantum dots are assuming increasing relevance for future technologies. Their response under external sti…
Thermoelectric conversion at 30K in InAs/InP nanowire quantum dots
Domenic Prete, Paolo Andrea Erdman, Valeria Demontis +7
We demonstrate high-temperature thermoelectric conversion in InAs/InP nanowire quantum dots by taking advantage of their strong electronic confinement. The electrical conductance G…
Strategy for accurate thermal biasing at the nanoscale
Artem Denisov, Evgeny Tikhonov, Stanislau Piatrusha +6
We analyze the benefits and shortcomings of a thermal control in nanoscale electronic conductors by means of the contact heating scheme. Ideally, this straightforward approach allo…
Ionic liquid gating of InAs nanowire-based field effect transistors
Johanna Lieb, Valeria Demontis, Daniele Ercolani +6
We report the operation of a field-effect transistor based on a single InAs nanowire gated by an ionic liquid. Liquid gating yields very efficient carrier modulation with a transco…
Gate-tunable spatial modulation of localized plasmon resonances
Andrea Arcangeli, Francesco Rossella, Andrea Tomadin +7
Nanoplasmonics exploits the coupling between light and collective electron density oscillations (plasmons) to bypass the stringent limits imposed by diffraction. This coupling enab…
Local noise in a diffusive conductor
E. S. Tikhonov, D. V. Shovkun, D. Ercolani +5
The control and measurement of local non-equilibrium configurations is of utmost importance in applications on energy harvesting, thermoelectrics and heat management in nano-electr…
Noise thermometry applied to thermoelectric measurements in InAs nanowires
E. S. Tikhonov, D. V. Shovkun, V. S. Khrapai +5
We apply noise thermometry to characterize charge and thermoelectric transport in single InAs nanowires (NWs) at a bath temperature of 4.2 K. Shot noise measurements identify elast…
Nanoscale spin rectifiers controlled by the Stark effect
Francesco Rossella, Andrea Bertoni, Daniele Ercolani +4
The control of orbital and spin state of single electrons is a key ingredient for quantum information processing, novel detection schemes, and, more generally, is of much relevance…
Large thermal biasing of individual gated nanostructures
Stefano Roddaro, Daniele Ercolani, Mian Akif Safeen +5
We demonstrate a novel nanoheating scheme that yields very large and uniform temperature gradients up to about 1K every 100nm, in an architecture which is compatible with the field…
Giant thermovoltage in single InAs-nanowire field-effect transistors
Stefano Roddaro, Daniele Ercolani, Mian Akif Safeen +5
Millivolt range thermovoltage is demonstrated in single InAs-nanowire based field effect transistors. Thanks to a buried heating scheme, we drive both a large thermal bias DT>10K a…
Magneto-transport of graphene and quantum phase transitions in the quantum Hall regime
Mario Amado, Enrique Diez, Francesco Rossella +3
We studied the magneto-transport in SiO2 substrate-supported monolayer graphene and the quantum phase transitions that characterize the quantum Hall regime, using magnetic fields u…
Circularly Polarized Resonant Rayleigh Scattering and Skyrmions in the = 1 Quantum Hall Ferromagnet
V. Bellani, F. Rossella, M. Amado +4
We use the circularly polarized resonant Rayleigh scattering (RRS) to study the quantum Hall ferromagnet at = 1. At this filling factor we observe a right handed copolarized RR…
Optical probing of correlation driven liquid-to-insulator transition in 2D electron gas
F. Dionigi, F. Rossella, V. Bellani +5
We study the quantum Hall liquid and the metal-insulator transition in a high mobility two dimensional electron gas, by means of photoluminescence and magneto-transport. In the int…
Plateau insulator transition in graphene
M. Amado, E. Diez, D. López-Romero +5
The quantum Hall effect in a single-layer graphene sample is studied in strong magnetic fields up to 28 T. Our measurements reveal the existence of a metal- insulator transition fr…