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Systematic manipulation of the surface conductivity of SmB
M. Victoria Ale Crivillero, M. König, J. C. Souza +5
We show that the resistivity plateau of SmB at low temperature, typically taken as a hallmark of its conducting surface state, can systematically be influenced by different sur…
Magnetic electron collimation in three-dimensional semi-metals
Xiangwei Huang, Carsten Putzke, Chunyu Guo +6
While electrons moving perpendicular to a magnetic field are confined to cyclotron orbits, they can move freely parallel to the field. This simple fact leads to complex current flo…
Controlled introduction of defects to delafossite metals by electron irradiation
V. Sunko, P. H. McGuinness, C. S. Chang +7
The delafossite metals PdCoO, PtCoO and PdCrO are among the highest conductivity materials known, with low temperature mean free paths of tens of microns in the b…
Super-geometric electron focusing on the hexagonal Fermi surface of PdCoO
Maja D. Bachmann, Aaron L. Sharpe, Arthur W. Barnard +6
Geometric electron optics may be implemented in solid state when transport is ballistic on the length scale of a device. Currently, this is realized mainly in 2D materials characte…
Oscillations in Interlayer Transport of Delafossites
Carsten Putzke, Maja D. Bachmann, Philippa McGuinness +10
Transport of electrons in a bulk metal is usually well captured by their particle-like aspects, while their wave-like nature is commonly harder to observe. Microstructures can be a…