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Lifting of the Landau level degeneracy in graphene devices in a tilted magnetic field
F. Chiappini, S. Wiedmann, K. S. Novoselov +4
We report on transport and capacitance measurements of graphene devices in magnetic fields up to 30 T. In both techniques, we observe the full splitting of Landau levels and we emp…
Quantum oscillations of the topological surface states in low carrier concentration crystals of BiSbTeSe
Y. Pan, A. M. Nikitin, D. Wu +8
We report a high-field magnetotransport study on selected low-carrier crystals of the topological insulator BiSbTeSe. Monochromatic Shubnikov - de Haas…
Design of compensated ferrimagnetic Heusler alloys for giant tunable exchange bias
Ajaya K. Nayak, Michael Nicklas, Stanislav Chadov +10
The discovery of materials with improved functionality can be accelerated by rational material design. Heusler compounds with tunable magnetic sublattices allow to implement this c…
Two Dimensional Ising Superconductivity in Gated MoS
J. M. Lu, O. Zeliuk, I. Leermakers +4
The Zeeman effect, which is usually considered to be detrimental to superconductivity, can surprisingly protect the superconducting states created by gating a layered transition me…
Temperature-driven transition from a semiconductor to a topological insulator
Steffen Wiedmann, Andreas Jost, Cornelius Thienel +6
We report on a temperature-induced transition from a conventional semiconductor to a two-dimensional topological insulator investigated by means of magnetotransport experiments on…
Extremely large magnetoresistance and ultrahigh mobility in the topological Weyl semimetal NbP
Chandra Shekhar, Ajaya K. Nayak, Yan Sun +10
Recent experiments have revealed spectacular transport properties of conceptually simple semimetals. For example, normal semimetals (e.g. WTe) have started a new trend to reali…