The quantum Hall (QH) effect, quantized Hall resistance combined with zero longitudinal
resistance, is the characteristic experimental fingerprint of Chern insulators—topologically …

Originating from the studies of two-dimensional condensed-matter states, the concept of
topological order has recently been expanded to other fields of physics and engineering …

Two-dimensional (2D) ferromagnetic semiconductors have been recognized as the
cornerstone for next-generation electric devices, but the development is highly limited by the …

Recently discovered, valley photonic crystals (VPCs) mimic many of the unusual properties
of two-dimensional (2D) gapped valleytronic materials,,,,,,. Of the utmost interest to optical …

Topological phases with insulating bulk and gapless surface or edge modes have attracted
intensive attention because of their fundamental physics implications and potential …

We demonstrate the anomalous Hall effect (AHE) in single-layer graphene exchange
coupled to an atomically flat yttrium iron garnet (YIG) ferromagnetic thin film. The anomalous …

Over a long period of exploration, the successful observation of quantized version of
anomalous Hall effect (AHE) in thin film of magnetically doped topological insulator (TI) …

Silicene is a monolayer of silicon atoms forming a two-dimensional honeycomb lattice,
which shares almost every remarkable property with graphene. The low-energy structure of …

We report the recent progress on the theoretical aspects of monolayer topological insulators
including silicene, germanene and stanene, which are monolayer honeycomb structures of …

We propose realizing the quantum anomalous Hall effect by proximity coupling graphene to
an antiferromagnetic insulator that provides both broken time-reversal symmetry and spin …