Patrick Maher

TL;DR: It is demonstrated that moiré superlattices arising in bilayer graphene coupled to hexagonal boron nitride provide a periodic modulation with ideal length scales of the order of ten nanometres, enabling unprecedented experimental access to the fractal spectrum.

TL;DR: Fractional QHE states in BLG that show phase transitions that can be tuned by a transverse electric field are reported, providing a model platform with which to study the role of symmetry-breaking in emergent states with topological order.

TL;DR: In this article, a quantum phase transition from an antiferromagnetic to a ferromagnetic state is measured in graphene bilayers, which supports the idea that bilayer graphene can sustain counter-propagating spin-polarized edge modes in analogy to the quantum spin Hall effect seen in topological insulators.

TL;DR: In this paper, a multiband transport study of bilayer graphene at high carrier densities was performed and the authors observed a sudden increase of resistance and the onset of a second family of Shubnikov-de Haas (SdH) oscillations as these high-energy subbands were populated.

TL;DR: In this paper, the sign and magnitude of the drag resistivity tensor can be quantitatively correlated to the variation of magnetoresistivity tensors in the drive and drag layers, confirming a theoretical formula for magnetodrag in the quantum Hall regime.