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Moiré Modulated Lattice Strain and Thickness-Dependent Lattice Expansion in Epitaxial Ultrathin Films of PdTe
Jacob Cook, Dorri Halbertal, Qiangsheng Lu +4
We report the epitaxial growth of PdTe ultrathin films on topological insulator BiSe. A prominent Moiré pattern was observed in STM measurements. The Moiré periodicity…
The hole Fermi surface in BiSe probed by quantum oscillations
B. A. Piot, W. Desrat, D. K. Maude +4
Transport and torque magnetometry measurements are performed at high magnetic fields and low temperatures in a series of p-type (Ca-doped) BiSe crystals. The angular de…
Robust Fabry-Perot interference in dual-gated BiSe devices
A. D. K. Finck, C. Kurter, E. D. Huemiller +2
We study Fabry-Perot interference in hybrid devices, each consisting of a mesoscopic superconducting disk deposited on the surface of a three-dimensional topological insulator. Suc…
Phase Coherence and Andreev Reflection in Topological Insulator Devices
A. D. K. Finck, C. Kurter, Y. S. Hor +1
Topological insulators (TIs) have attracted immense interest because they host helical surface states. Protected by time-reversal symmetry, they are robust to non-magnetic disorder…
Evidence for an anomalous current phase relation in topological insulator Josephson junctions
C. Kurter, A. D. K. Finck, Y. S. Hor +1
Josephson junctions with topological insulator weak links can host low energy Andreev bound states giving rise to a current phase relation that deviates from sinusoidal behaviour.…
Topological Surface States and Dirac point tuning in ternary Bi2Te2Se class of topological insulators
M. Neupane, S. -Y. Xu, L. A. Wray +14
Using angle-resolved photoemission spectroscopy, we report electronic structure for representative members of ternary topological insulators. We show that several members of this f…