Stacking orders in 2D van der Waals (vdW) materials dictate the relative sliding (lateral
displacement) and twisting (rotation) between atomically thin layers. By altering the stacking …

The interaction between electrons in graphene under high magnetic fields drives the
formation of a rich set of quantum Hall ferromagnetic (QHFM) phases with broken spin or …

Electronic interferometers using the chiral, one-dimensional (1D) edge channels of the
quantum Hall effect (QHE) can demonstrate a wealth of fundamental phenomena. The …

Recently, many breakthroughs have been made in graphene research, allowing scientists to
explore and understand the material world from a two‐dimensional (2D) perspective. The …

Moiré systems made from stacked two-dimensional materials host correlated and
topological states that can be electrically controlled with applied gate voltages. One …

Quantum Hall (QH) edge channels propagating along the periphery of two-dimensional (2D)
electron gases under perpendicular magnetic field are a major paradigm in physics …

Microwave impedance microscopy (MIM) has been utilized to directly visualize topological
edge states in many quantum materials. While the microwave response for conventional …

Quantum Hall edge states are the paradigmatic example of bulk-boundary correspondence.
They are prone to intricate reconstructions calling for their detailed investigation at high …

In the vicinity of the magic angle in twisted bilayer graphene (TBG), many exotic correlated
states, such as superconductivity, ferromagnetism, and topological phases, are observed …

Two-dimensional (2D) magnetic transition metal dichalcogenides have attracted great
interest in various fields, including information storage, logic devices, and high-frequency …