Dresden 2020 – scientific programme

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HL: Fachverband Halbleiterphysik

HL 80: Quantum transport and quantum Hall effects

HL 80.5: Talk

Friday, March 20, 2020, 11:00–11:15, POT 51

2-dimensional superconductivity in the Weyl Semi-metal trigonal-PtBi2 — •Arthur Veyrat — IFW, Dresden, Germany

PtBi2 has attracted attention in recent years with the discovery of the unsaturated Extremely Large Magnetoresistance (XMR) (11.2M % at 33T) in its pyrite structure. In this talk, I will report on our study of quantum transport in exfoliated microstructures of trigonal-PtBi2, patterned using usual e-beam lithography techniques. I will report on the discovery of superconductivity at very low temperatures (~300mK) in this compound, as well as the fitting of our measurements of the microsctructures by a 2D superconductivity model.