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

The quantum anomalous Hall (QAH) effect has attracted extensive attention due to time-
reversal symmetry broken by a staggered magnetic flux emerging from ferromagnetic …

Carbon materials have emerged as a rapidly advancing category of high-performance
materials that have garnered significant attention across various scientific and technological …

The valence band maxima of most group VI transition metal dichalcogenide thin films remain
at the Γ point all of the way from bulk to bilayer. In this paper, we develop a continuum theory …

The Dirac half-metallicity (H. Ishizuka et al., Phys. Rev. Lett. 2012, 109, 237207, Li et al.
Phys. Rev. B: Condens. Matter Mater. Phys., 2015, 92, 201403 (R)) with a gap in one spin …

Quantum spin Hall (QSH) effect is promising for achieving dissipationless transport devices
which can be achieved only at extremely low temperature presently. The research for new …

The topological flat band (TFB) has been proposed theoretically in various lattice models, to
exhibit a rich spectrum of intriguing physical behaviors. However, the experimental …

Two-dimensional (2D) nanomaterials have attracted extensive interest due to their unique
properties and versatile applications. In the current work, a new family of 2D nanostructures …

We predict theoretical existence of intrinsic two-dimensional organic topological insulator
(OTI) states in Cu–dicyanoanthracene (DCA) lattice, a system that has also been grown …

We predict a family of 2D carbon (C) allotropes, square graphynes (S-graphynes) that
exhibit highly anisotropic Dirac fermions, using first-principle calculations within density …