The field of two-dimensional topological semimetals, which emerged at the intersection of
two-dimensional materials and topological materials, has been rapidly develo** in recent …

Nodal line spin-gapless semiconductors (NLSGSs) are a new type of topological spintronic
material with a possible high Curie temperature, 100% spin polarization, high carrier …

Nodal-line semimetals in two-dimensional (2D) materials have attracted intense attention
recently. From fundamental physics and spintronic application points of view, high Curie …

As a novel type of fermionic state, the hybrid nodal loop with the coexistence of both type-I
and type-II band crossings has attracted intense research interest. However, it remains a …

Electron correlations amplify quantum fluctuations and, as such, are recognized as the origin
of many quantum phases. However, whether strong correlations can lead to gapless …

Two-dimensional materials for efficient visible-light-driven photocatalytic water splitting after
the era of TiO2 and other metal oxides are scarce. Recent years have witnessed an upsurge …

The unconventional Weyl point with nonlinear dispersion features higher topological charge|
C|> 1 and multiple topologically protected Fermi arc states at its boundary. As a novel …

Symmetry principles play a critical role in formulating the fundamental laws of nature, with a
large number of symmetry-protected topological states identified in recent studies of …

Hourglass dispersion is generally believed to be solely protected by nonsymmorphic
symmetries, because these symmetries can introduce high-dimensional projective …

Relativistic massless Weyl and Dirac fermions exhibit the isotropic and linear dispersion
relations to preserve the Pioncaré symmetry, the most fundamental symmetry in high energy …