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Mn-rich MnSb2Te4: A topological insulator with magnetic gap closing at high Curie temperatures of 45-50 K
S. Wimmer, J. Sánchez-Barriga, P. Küppers +18
Ferromagnetic topological insulators exhibit the quantum anomalous Hall effect that might be used for high precision metrology and edge channel spintronics. In conjunction with sup…
When superconductivity does not fear magnetism: Insight into electronic structure of RbEuFeAs
T. K. Kim, K. S. Pervakov, D. V. Evtushinsky +13
In the novel stoichiometric iron-based material RbEuFeAs superconductivity coexists with a peculiar long-range magnetic order of Eu 4f states. Using angle-resolved phot…
Deterministic control of an antiferromagnetic spin arrangement using ultrafast optical excitation
Y. W. Windsor, A. Ernst, K. Kummer +8
A central prospect of antiferromagnetic spintronics is to exploit magnetic properties that are unavailable with ferromagnets. However, this poses the challenge of accessing such pr…
Domain wall induced spin-polarized flat bands in antiferromagnetic topological insulators
Evgeniy K. Petrov, Vladimir N. Men'shov, Igor P. Rusinov +6
A flat band in fermionic system is a dispersionless single-particle state with a diverging effective mass and nearly zero group velocity. These flat bands are expected to support e…