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443 papers · 1 filter
Direct observation of flat bands in near-magic-angle twisted bilayer CVD graphene
Gianluigi Baiardi, Alex Boschi, Giulia Piccinini +13
Advances in chemical vapor deposition (CVD) growth have driven graphene crystal quality to unprecedented levels, yet it is still unknown whether this route can realize the fragile…
Lifshitz transitions and isospin polarization in twist-decoupled monolayer-bilayer graphene
Alex Boschi, Leonardo Sabattini, Sergey Slizovskiy +10
Bernal-stacked bilayer graphene (BLG) hosts correlated electronic phases tied to low-energy Lifshitz transitions at saddle points in its valence band. To access this regime, ultral…
Engineering THz-frequency light generation, detection and manipulation through graphene
Miriam S. Vitiello, Leonardo Viti
Graphene has been one of the most investigated materials in the last decade. Its unique optoelectronic properties have indeed raised it to an ideal and revolutionary candidate for…
Enhanced Thermoelectricity in Nanowires with inhomogeneous Helical states
Zahra Aslani, Fabio Taddei, Fabrizio Dolcini +1
Semiconductor nanowires (NWs) with strong Rashba spin-orbit coupling (RSOC), when exposed to a suitably applied Zeeman field, exhibit one-dimensional helical channels with a spin o…
Impact of hydrogenation on the structure, chemistry, and electrical properties of flame-synthesized carbon nanoparticle films
Luca Basta, Francesca Picca, Pegah Darvehi +8
The interaction between hydrogen atoms and carbon nanoparticles is a fundamental process governing the properties of carbonaceous materials in environments ranging from combustion…
Enhanced thermoelectric effects in a driven one-dimensional system
C. X. Zhang, Alessandro Braggio, Alessandro Romito +1
We investigate the thermoelectric properties of a one-dimensional quantum system in the presence of an external driving. We employ Floquet scattering theory to calculate linear-res…