Topological materials discovery from crystal symmetry

BJ Wieder, B Bradlyn, J Cano, Z Wang… - Nature Reviews …, 2022 - nature.com
Topological materials discovery has evolved at a rapid pace over the past 15 years following
the identification of the first nonmagnetic topological insulators (TIs), topological crystalline …

Engineering corner states from two-dimensional topological insulators

Y Ren, Z Qiao, Q Niu - Physical review letters, 2020 - APS
We theoretically demonstrate that the second-order topological insulator with robust corner
states can be realized in two-dimensional Z 2 topological insulators by applying an in-plane …

Topological Electronic Structure and Intrinsic Magnetization in : A Derivative with a Periodic Mn Sublattice

RC Vidal, A Zeugner, JI Facio, R Ray, MH Haghighi… - Physical Review X, 2019 - APS
Combinations of nontrivial band topology and long-range magnetic order hold promise for
realizations of novel spintronic phenomena, such as the quantum anomalous Hall effect and …

Bulk and Surface Electronic Structure of the Dual-Topology Semimetal

I Cucchi, A Marrazzo, E Cappelli, S Riccò, FY Bruno… - Physical review …, 2020 - APS
We report high-resolution angle-resolved photoemission measurements on single crystals of
Pt 2 HgSe 3 grown by high-pressure synthesis. Our data reveal a gapped Dirac nodal line …

Spectroscopic evidence for Dirac nodal surfaces and nodal rings in the superconductor NaAlSi

C Song, L **, P Song, H Rong, W Zhu, B Liang, S Cui… - Physical Review B, 2022 - APS
The discovery of the topological states has become a key topic in condensed matter physics
with the focus evolving from the Dirac or Weyl points to high-dimensional topological states …

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 …

Symmetry-conserving maximally projected Wannier functions

K Koepernik, O Janson, Y Sun, J Van Den Brink - Physical Review B, 2023 - APS
To obtain a local description with a small basis size from density functional theory codes
often a transformation to a local orthonormal Wannier function basis is desirable. In order to …

Electronic structure of the surface-superconducting Weyl semimetal

R Vocaturo, K Koepernik, JI Facio, C Timm, IC Fulga… - Physical Review B, 2024 - APS
Trigonal PtBi 2 is a layered semimetal without inversion symmetry, featuring 12 Weyl points
in the vicinity of the Fermi energy. Its topological Fermi arcs were recently shown to …

Signature of large-gap quantum spin Hall state in the layered mineral jacutingaite

K Kandrai, P Vancsó, G Kukucska, J Koltai… - Nano Letters, 2020 - ACS Publications
Quantum spin Hall (QSH) insulators host edge states, where the helical locking of spin and
momentum suppresses backscattering of charge carriers, promising applications from low …

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 …