4 papers
Sliding-induced topological transitions in bilayer biphenylene
L. L. Lage, S. Bravo, O. Arroyo-Gascón +2
Sliding-induced topological transitions in biphenylene bilayers are investigated, considering various stacking configurations which are analyzed from a symmetry perspective and des…
Two-dimensional orbital-obstructed insulators with higher-order band topology
Olga Arroyo-Gascón, Sergio Bravo, Mónica Pacheco +1
Obstructed atomic phases, with their realizations in systems of diverse dimensionality, have recently arisen as one of the topological states with greatest potential to show higher…
Robustness of type-II Dirac cones in biphenylene-based structures
L. L. Lage, O. Arroyo-Gascón, Leonor Chico +1
The electronic properties of one- and two-dimensional biphenylene-based systems, such as nanoribbons and bilayers, are studied within a unified approach. Besides the bilayer with d…
Fractional corner charges in threefold-symmetric two-dimensional materials with fragile topology
Olga Arroyo-Gascón, Sergio Bravo, Leonor Chico +1
We perform a systematic study of the signatures of fragile topology in over 50 nonmagnetic two-dimensional materials with formula AB, belonging to space group -. Using…