Realizing the full potential of any materials system requires understanding and controlling
disorder, which can obscure intrinsic properties and hinder device performance. Here we …

As the first in a large family of 2D van der Waals (vdW) materials, graphene has attracted
enormous attention owing to its remarkable properties. The recent development of simple …

Wigner predicted that when the Coulomb interactions between electrons become much
stronger than their kinetic energy, electrons crystallize into a closely packed lattice. A variety …

Electrons in topological flat bands can form new topological states driven by correlation
effects. The pentalayer rhombohedral graphene/hexagonal boron nitride (hBN) moiré …

We report fabrication of graphene devices in a Corbino geometry consisting of concentric
circular electrodes with no physical edge connecting the inner and outer electrodes. High …

Although the recently predicted topological magnetoelectric effect and the response to an
electric charge that mimics an induced mirror magnetic monopole are fundamental attributes …

Motivated by the observation of even denominator fractional quantum Hall effect in the n= 3
Landau level of monolayer graphene [Kim et al., Nat. Phys. 15, 154 (2019) NPAHAX 1745 …

Partially filled Landau levels host competing electronic orders. For example, electron solids
may prevail close to integer filling of the Landau levels before giving way to fractional …

The quantum Hall (QH) effect, a topologically non-trivial quantum phase, expanded the
concept of topological order in physics bringing into focus the intimate relation between the …

The phase diagram of an interacting two-dimensional electron system in a high magnetic
field is enriched by the varying form of the effective Coulomb interaction, which depends …