Topological materials, which feature robust surface and/or edge states, have now been a
research focus in condensed matter physics. They represent a new class of materials …

The intrinsic magnetic topological insulator MnBi2Te4 provides a feasible pathway to the
high-temperature quantum anomalous Hall (QAH) effect as well as various novel topological …

The van der Waals antiferromagnetic topological insulator MnBi2Te4 represents a promising
platform for exploring the layer-dependent magnetism and topological states of matter …

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

Since the first realisation of the quantum anomalous Hall effect (QAHE) in a dilute magnetic-
doped topological insulator thin film in 2013, the quantisation temperature has been limited …

Axion insulators possess a quantized axion field θ= π protected by combined lattice and
time-reversal symmetry, holding great potential for device applications in layertronics and …

Topological materials featuring exotic band structures, unconventional current flow patterns,
and emergent organizing principles offer attractive platforms for the development of next …

Breaking time reversal symmetry in a topological insulator may lead to quantum anomalous
Hall effect and axion insulator phase. MnBi4Te7 is a recently discovered antiferromagnetic …

We put forward that stacked Chern insulators with opposite chiralities offer a strategy to
achieve gapless helical edge states in two dimensions. We employ the square lattice as an …

Surface electrons in axion insulators are endowed with a topological layer degree of
freedom followed by exotic transport phenomena, eg, the layer Hall effect. Here, we propose …