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8 papers
Ubiquitous order-disorder transition in the Mn antisite sublattice of the (MnBiTe)(BiTe) magnetic topological insulators
M. Sahoo, I. J. Onuorah, L. C. Folkers +12
Magnetic topological insulators (TIs) herald a wealth of applications in spin-based technologies, relying on the novel quantum phenomena provided by their topological properties. P…
Crystal structure and Raman active lattice vibrations of magnetic topological insulators MnBi2Te4 n(Bi2Te3) (n = 0, 1, . . . , 6)
I. R. Amiraslanov, Z. S. Aliev, P. A. Askerova +7
Further to the structure of the intrinsic magnetic topological insulators MnBi2Te4 n(Bi2Te3) with n<4, where index n is the number of quintuple Te-Bi-Te-Bi-Te building blocks inser…
Native point defects and their implications for the Dirac point gap at MnBiTe(0001)
M. Garnica, M. M. Otrokov, P. Casado Aguilar +13
The Dirac point gap at the surface of the antiferromagnetic topological insulator MnBiTe is a highly debated issue. While the early photoemission measurements reported on l…
Nature of the Dirac gap modulation and surface magnetic interaction in axion antiferromagnetic topological insulator MnBiTe
A. M. Shikin, D. A. Estyunin, I. I. Klimovskikh +18
Modification of the gap at the Dirac point (DP) in antiferromagnetic (AFM) axion topological insulator MnBiTe and its electronic and spin structure has been studied by angl…
Variety of magnetic topological phases in the (MnBiTe)(BiTe) family
I. I. Klimovskikh, M. M. Otrokov, D. Estyunin +23
Quantum states of matter combining non-trivial topology and magnetism attract a lot of attention nowadays; the special focus is on magnetic topological insulators (MTIs) featuring…
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…
Observation of a Highly Spin Polarized Topological Surface State in GeBiTe
K. Okamoto, K. Kuroda, H. Miyahara +10
Spin polarization of a topological surface state for GeBiTe, the newly discovered three-dimensional topological insulator, has been studied by means of the state of the art…
Surface and bulk Fermiology and band dispersion in non-centrosymmetric BiTeI
Gabriel Landolt, Sergey V. Eremeev, Yury M. Koroteev +11
BiTeI has a layered and non-centrosymmetric structure where strong spin-orbit interaction leads to a giant spin splitting in the bulk bands. Here we present high-resolution angle-r…