Quantum interference tuning of spin-orbit coupling in twisted van der Waals trilayers

CG Péterfalvi, A David, P Rakyta, G Burkard… - Physical Review …, 2022 - APS
We show that in van der Waals stacks of twisted hexagonal layers the proximity induced
Rashba spin-orbit coupling can be affected by quantum interference. We calculate the …

Switchable large-gap quantum spin Hall state in the two-dimensional class of materials

R Islam, R Verma, B Ghosh, Z Muhammad, A Bansil… - Physical Review B, 2022 - APS
Quantum spin Hall (QSH) insulators exhibit spin-polarized conducting edge states that are
topologically protected from backscattering and offer unique opportunities to address …

Emerging Nontrivial Topology in Ultrathin Films of Rare-Earth Pnictides

DQ Ho, R Hu, DQ To, GW Bryant, A Janotti - ACS nano, 2023 - ACS Publications
Thin films of rare-earth monopnictide (RE-V) semimetals are expected to turn into
semiconductors due to quantum confinement effects (QCE), lifting the overlap between …

Pressure-induced superconductivity and structure phase transition in Pt2HgSe3

C Pei, S **, P Huang, A Vymazalova, L Gao… - npj Quantum …, 2021 - nature.com
Abstract Recently monolayer jacutingaite (Pt2HgSe3), a naturally occurring exfoliable
mineral, discovered in Brazil in 2008, has been theoretically predicted as a candidate …

Van der Waals heterostructure for topological valleytronics

Z Liu, Y Han, Y Ren, Q Niu, Z Qiao - Physical Review B, 2021 - APS
We identify a valley-polarized Chern insulator in a van der Waals heterostructure, monolayer
Pt 2 HgSe 3/monolayer CrI 3, for potential applications with interplay between electric …

Jacutingaite family: An efficient platform for coexistence of spin valley Hall effects, valley spin-valve realization, and layer spin crossover

MU Rehman, M Kiani, J Wang - Physical Review B, 2022 - APS
Jacutingaite family, a family of naturally occurring exfoliable minerals (Pt 2 HgSe 3 and Pd 2
HgSe 3) discovered in Brazil, is recently predicted to be the very first large-gap Kane-Mele …

Theory of glide symmetry protected helical edge states in a monolayer

M Bieniek, JI Väyrynen, G Li, T Neupert, R Thomale - Physical Review B, 2023 - APS
Helical edge states in quantum spin Hall (QSH) materials are central building blocks of
topological matter design and engineering. Despite their principal topological protection …

Valley-polarized quantum anomalous Hall effect in van der Waals heterostructures based on monolayer jacutingaite family materials

X Zhu, Y Chen, Z Liu, Y Han, Z Qiao - Frontiers of Physics, 2023 - Springer
We numerically study the general valley polarization and anomalous Hall effect in van der
Waals (vdW) heterostructures based on monolayer jacutingaite family materials Pt2 AX 3 …

Second-order topological insulator in van der Waals heterostructures of

Z Liu, Y Ren, Y Han, Q Niu, Z Qiao - Physical Review B, 2022 - APS
The second-order topological insulator, which has (d− 2)-dimensional topological hinge or
corner states, has been observed in three-dimensional materials, but has yet not been …

Bulk-boundary-transport correspondence of the second-order topological insulators

Y Long, M Wei, F Xu, J Wang - Science China Physics, Mechanics & …, 2023 - Springer
The bulk-boundary correspondence of the second-order topological insulator (SOTI) has
been well established, but a universal transport signature for open systems is still absent …