The photoexcitation life cycle from incident photon (and creation of photoexcited electron–
hole pair) to ultimate extraction of electrical current is a complex multiphysics process …

Graphene materials considered to be promising candidates for next-generation lubricants
has been explored and summarized extensively, owing to their atomic-level lamellar …

Ferroic orders describe spontaneous polarization of spin, charge and lattice degrees of
freedom in materials. Materials exhibiting multiple ferroic orders, known as multiferroics …

Despite over a decade of intense research efforts, the full potential of two-dimensional
transition-metal dichalcogenides continues to be limited by major challenges. The lack of …

Large spin-orbit coupling is often thought to be critical in realizing magnetic order-locked
charge transport such as the anomalous Hall effect (AHE). Recently, artificial stacks of two …

Valley pseudospin is an electronic degree of freedom that promises highly efficient
information processing applications. However, valley-polarized excitons usually have short …

Graphene, a single particle thicker carbon layer with a hexagonal form, was successfully
confined, and the potential electrical impact was observed in 2004. Since a surge in study …

In recent years, the stacking and twisting of atom-thin structures with matching crystal
symmetry has provided a unique way to create new superlattice structures in which new …

Spin and valley indices represent the key quantum labels of quasi-particles in a wide class
of two-dimensional materials and form the foundational elements of the fields of spintronics …

Berry curvature physics and quantum geometric effects have been instrumental in
advancing topological condensed matter physics in recent decades. Although Landau level …