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Spectroscopic signature of surface states and bunching of bulk subbands in topological insulator (BiSb)Te thin films
L. Mulder, C. Castenmiller, F. J. Witmans +5
High quality thin films of the topological insulator (BiSb)Te have been deposited on SrTiO (111) by molecular beam epitaxy. Their electronic structure w…
Quantum oscillations in an optically-illuminated two-dimensional electron system at the LaAlO/SrTiO interface
I. Leermakers, K. Rubi, M. Yang +9
We have investigated the illumination effect on the magnetotransport properties of a two-dimensional electron system at the LaAlO/SrTiO interface. The illumination signific…
Reducing electronic transport dimension to topological hinge states by increasing geometry size of Dirac semimetal Josephson junctions
Cai-Zhen Li, An-Qi Wang, Chuan Li +4
The notion of topological phases has been extended to higher-order and has been generalized to different dimensions. As a paradigm, Cd3As2 is predicted to be a higher-order topolog…
Josephson Effect and Charge Distribution in Thin BiTe Topological Insulators
Martin P. Stehno, Prosper Ngabonziza, Hiroaki Myoren +1
Thin layers of topological insulator materials are quasi-two-dimensional systems featuring a complex interplay between quantum confinement and topological band structure. To unders…
Stabilization of the perovskite phase in the Y-Bi-O system by using a BaBiO buffer layer
Rosa Luca Bouwmeester, Kit de Hond, Nicolas Gauquelin +3
A topological insulating phase has theoretically been predicted for the thermodynamically unstable perovskite phase of YBiO. Here, it is shown that the crystal structure of t…
Non-local signatures of the chiral magnetic effect in Dirac semimetal BiSb
Jorrit C. de Boer, Daan H. Wielens, Joris A. Voerman +5
The field of topological materials science has recently been focussing on three-dimensional Dirac semimetals, which exhibit robust Dirac phases in the bulk. However, the absence of…