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Possible Experimental Realization of a Basic Z2 Topological Semimetal
Erik Haubold, Alexander Fedorov, Igor P. Rusinov +15
We report experimental and theoretical evidence that GaGeTe is a basic topological semimetal with three types of charge carriers: bulk-originated electrons and holes as well…
Unique thickness-dependent properties of the van der Waals interlayer antiferromagnet films
Mikhail M. Otrokov, Igor P. Rusinov, María Blanco-Rey +7
Using density functional theory and Monte Carlo calculations, we study the thickness dependence of the magnetic and electronic properties of a van der Waals interlayer antiferromag…
Highly-ordered wide bandgap materials for quantized anomalous Hall and magnetoelectric effects
Mikhail M. Otrokov, Tatiana V. Menshchikova, Maia G. Vergniory +8
An interplay of spin-orbit coupling and intrinsic magnetism is known to give rise to the quantum anomalous Hall and topological magnetoelectric effects under certain conditions. Th…
Prediction and observation of the first antiferromagnetic topological insulator
Mikhail M. Otrokov, Ilya I. Klimovskikh, Hendrik Bentmann +41
Magnetic topological insulators (MTIs) are narrow gap semiconductor materials that combine non-trivial band topology and magnetic order. Unlike their nonmagnetic counterparts, MTIs…
Probing topological insulators surface states via plasma-wave Terahertz detection
Leonardo Viti, Dominique Coquillat, Antonio Politano +7
Topological insulators (TIs) represent a novel quantum state of matter, characterized by edge or surface-states, showing up on the topological character of the bulk wave functions.…