416 citations · 3.6k across the 70 of their papers we have counts for
72 papers
Growth and applications of two-dimensional single crystals
Zhibin Zhang, Stiven Forti, Wanqing Meng +5
Two-dimensional (2D) materials have received extensive research attentions over the past two decades due to their intriguing physical properties (such as the ultrahigh mobility and…
Scalable High-Mobility Graphene/hBN Heterostructures
Leonardo Martini, Vaidotas Mišeikis, David Esteban +8
Graphene-hexagonal boron nitride (hBN) scalable heterostructures are pivotal for the development of graphene-based high-tech applications. In this work, we demonstrate the realizat…
Room temperature quantum Hall effect in a gated ferroelectric-graphene heterostructure
Anubhab Dey, Nathan Cottam, Oleg Makarovskiy +10
The quantum Hall effect is widely used for the investigation of fundamental phenomena, ranging from topological phases to composite fermions. In particular, the discovery of a room…
Link between interlayer hybridization and ultrafast charge transfer in WS-graphene heterostructures
Niklas Hofmann, Leonard Weigl, Johannes Gradl +12
Ultrafast charge separation after photoexcitation is a common phenomenon in various van-der-Waals (vdW) heterostructures with great relevance for future applications in light harve…
Strong Coupling of Coherent Phonons to Excitons in Semiconducting Monolayer MoTe
Charles J. Sayers, Armando Genco, Chiara Trovatello +8
The coupling of the electron system to lattice vibrations and their time-dependent control and detection provides unique insight into the non-equilibrium physics of semiconductors.…
Probing enhanced electron-phonon coupling in graphene by infrared resonance Raman spectroscopy
Tommaso Venanzi, Lorenzo Graziotto, Francesco Macheda +16
We report on resonance Raman spectroscopy measurements with excitation photon energy down to 1.16 eV on graphene, to study how low-energy carriers interact with lattice vibrations.…
Industrial graphene coating of low-voltage copper wires for power distribution
Neeraj Mishra, Ylea Vlamidis, Leonardo Martini +9
Copper (Cu) is the electrical conductor of choice in many categories of electrical wiring, with household and building installations being the major market of this metal. This work…
Hydrogen spillover and storage on graphene with single-site Ti catalysts
Jhih-Wei Chen, Shang-Hsien Hsieh, Sheng-Shong Wong +10
Hydrogen spillover and storage for single-site metal catalysts, including single-atom catalysts (SACs) and single nanocluster catalysts, have been elucidated for various supports b…
Strain-engineered wrinkles on graphene using polymeric actuators
Davide Giambastiani, Cosimo Tommasi, Federica Bianco +5
The electronic and optical properties of graphene can be precisely tuned by generating deterministic arrangements of strain features. In this paper, we report the formation of wide…
Moiré-Induced Transport in CVD-Based Small-Angle Twisted Bilayer Graphene
Giulia Piccinini, Vaidotas Mišeikis, Pietro Novelli +5
To realize the applicative potential of 2D twistronic devices, scalable synthesis and assembly techniques need to meet stringent requirements in terms of interface cleanness and tw…
Black Phosphorus n-type doping by Cu: a microscopic surface investigation
Abhishek Kumar, Francesca Telesio, Deborah Prezzi +8
We study surface charge transfer doping of exfoliated black phosphorus (bP) flakes by copper using scanning tunneling microscopy (STM) and spectroscopy (STS) at room temperature. T…
Parallel transport and layer-resolved thermodynamic measurements in twisted bilayer graphene
Giulia Piccinini, Vaidotas Mišeikis, Kenji Watanabe +3
We employ dual-gated 30°-twisted bilayer graphene to demonstrate simultaneous ultra-high mobility and conductivity (up to 40 mS at room temperature), unattainable in a single-layer…
Ultra-clean high-mobility graphene on technologically relevant substrates
Ayush Tyagi, Vaidotas Mišeikis, Leonardo Martini +10
Graphene grown via chemical vapour deposition (CVD) on copper foil has emerged as a high-quality, scalable material, that can be easily integrated on technologically relevant platf…
Unexpected Electron Transport Suppression in a Heterostructures Graphene MoS2 Multiple Field-Effect Transistor Architecture
Gaia Ciampalini, Filippo Fabbri, Guido Menichetti +8
We demonstrate a graphene-MoS2 architecture integrating multiple field-effect transistors and we independently probe and correlate the conducting properties of van der Waals couple…
Hot-Carrier Cooling in High-Quality Graphene is Intrinsically Limited by Optical Phonons
Eva A. A. Pogna, Xiaoyu Jia, Alessandro Principi +20
Many promising optoelectronic devices, such as broadband photodetectors, nonlinear frequency converters, and building blocks for data communication systems, exploit photoexcited ch…
On the survival of Floquet-Bloch states in the presence of scattering
S. Aeschlimann, S. A. Sato, R. Krause +9
Floquet theory has spawned many exciting possibilities for electronic structure control with light with enormous potential for future applications. The experimental realization in…
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…