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Optically switched magnetism in photovoltaic perovskite CHNH(Mn:Pb)I
B. Náfrádi, P. Szirmai, M. Spina +7
The demand for ever-increasing density of information storage and speed of manipulation boosts an intense search for new magnetic materials and novel ways of controlling the magnet…
Z2Pack: Numerical Implementation of Hybrid Wannier Centers for Identifying Topological Materials
Dominik Gresch, Gabriel Autès, Oleg V. Yazyev +4
The intense theoretical and experimental interest in topological insulators and semimetals has established band structure topology as a fundamental material property. Consequently,…
BiTeCl and BiTeBr: a comparative high-pressure optical study
I. Crassee, F. Borondics, M. K. Tran +8
We here report a detailed high-pressure infrared transmission study of BiTeCl and BiTeBr. We follow the evolution of two band transitions: the optical excitation between two Ra…
Evidence for a Strong Topological Insulator Phase in
G. Manzoni, L. Gragnaniello, G. Autès +16
The complex electronic properties of have recently stimulated in-depth investigations that assigned this material to either a topological insulator or a 3D Dirac…
Interplay between spin-orbit coupling and crystal-field effect in topological insulators
Hyungjun Lee, Oleg V. Yazyev
Band inversion, one of the key signatures of time-reversal invariant topological insulators (TIs), arises mostly due to the spin-orbit (SO) coupling. Here, based on ab initio densi…
Dirac fermions at high-index surfaces of bismuth chalcogenide topological insulator nanostructures
Naunidh Virk, Oleg V. Yazyev
Binary bismuth chalcogenides BiSe, BiTe, and related materials are currently being extensively investigated as the reference topological insulators (TIs) due to the…
A Novel Quasi-One-Dimensional Topological Insulator in Bismuth Iodide -BiI
Gabriel Autès, Anna Isaeva, Luca Moreschini +16
Recent progress in the field of topological states of matter(1,2) has largely been initiated by the discovery of bismuth and antimony chalcogenide bulk topological insulators (TIs)…