F. Freyse

collaborators

4 papers

cond-mat.mtrl-sci2020

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…

cond-mat.mtrl-sci2018

Large magnetic gap at the Dirac point in a Mn-induced Bi $_{2}$ Te $_{3}$ heterostructure

E. D. L. Rienks, S. Wimmer, P. S. Mandal +15

Magnetically doped topological insulators enable the quantum anomalous Hall effect (QAHE) which provides quantized edge states for lossless charge transport applications. The edge…

cond-mat.mes-hall2018

Impact of ultrafast transport on the high-energy states of a photoexcited topological insulator

F. Freyse, M. Battiato, L. V. Yashina +1

Ultrafast dynamics in three-dimensional topological insulators (TIs) opens new routes for increasing the speed of information transport up to frequencies thousand times faster than…

cond-mat.mes-hall2018

Anomalous behavior of the electronic structure of (Bi $_{1 - x}$ In $_{x}$ ) $_{2}$ Se $_{3}$ across the quantum-phase transition from topological to trivial insulator

J. Sánchez-Barriga, I. Aguilera, L. V. Yashina +9

Using spin- and angle-resolved spectroscopy and relativistic many-body calculations, we investigate the evolution of the electronic structure of (Bi $_{1 - x}$ In $_{x}$ ) $_{2}$ Se $_{3}$ bulk s…

Mn-rich MnSb2Te4: A topological insulator with magnetic gap closing at high Curie temperatures of 45-50 K

Large magnetic gap at the Dirac point in a Mn-induced Bi2​Te3​ heterostructure

Impact of ultrafast transport on the high-energy states of a photoexcited topological insulator

Anomalous behavior of the electronic structure of (Bi1−x​Inx​)2​Se3​ across the quantum-phase transition from topological to trivial insulator

Large magnetic gap at the Dirac point in a Mn-induced Bi $_{2}$ Te $_{3}$ heterostructure

Anomalous behavior of the electronic structure of (Bi $_{1 - x}$ In $_{x}$ ) $_{2}$ Se $_{3}$ across the quantum-phase transition from topological to trivial insulator