The isolation of the first two-dimensional material, graphene–a monolayer of carbon atoms
arranged in a hexagonal lattice-opened new exciting opportunities in the field of condensed …

In thermodynamic equilibrium, current in metallic systems is carried by electronic states near
the Fermi energy, whereas the filled bands underneath contribute little to conduction. Here …

In the last decade, graphene has become an exciting platform for electron optical
experiments, in some aspects superior to conventional two-dimensional electron gases …

Electrons exposed to a two-dimensional (2D) periodic potential and a uniform,
perpendicular magnetic field exhibit a fractal, self-similar energy spectrum known as the …

In a previous work [Rokaj, Phys. Rev. Lett. 123, 047202 (2019) 0031-9007
10.1103/PhysRevLett. 123.047202] a translationally invariant framework called quantum …

This paper presents our findings on the recursive band gap engineering of chiral fermions in
bilayer graphene doubly aligned with hBN. Using two interfering moiré potentials, we …

In Bernal-stacked bilayer graphene (BBG), the Landau levels give rise to an intimate
connection between valley and layer degrees of freedom. Adding a moiré superlattice …

Quantum oscillations originating from the quantization of electron cyclotron orbits provide
sensitive diagnostics of electron bands and interactions. We report on nanoscale imaging of …

The supermoiré lattice, built by stacking two moiré patterns, provides a platform for creating
flat mini-bands and studying electron correlations. An ultimate challenge in assembling a …

To realize the applicative potential of 2D twistronic devices, scalable synthesis and
assembly techniques need to meet stringent requirements in terms of interface cleanness …