【149】Two-dimensional Shiba lattices as a platform for crystalline topological superconductivity

7 Sept 2023, 16:00
15m
Aula 033

Aula 033

Talk Condensed Matter Physics (KOND) Condensed Matter Physics (KOND)

Speaker

Titus Mangham-Neupert

Description

Localized or propagating Majorana boundary modes are the key feature of topological superconductors. Lattices of Yu-Shiba-Rusinov bound states – Shiba lattices – that arise when magnetic adatoms are placed on the surface of a conventional superconductor can be used to create topological bands within the superconducting gap of the substrate. I will discuss results using scanning tunnelling microscopy to create and probe adatom lattices with single atom precision.Our results highlight the potential of Shiba lattices as a platform to design the topology and sample geometry of 2D superconductors.

Authors

Dr Glenn Wagner (University of Zurich) Ms Martina Soldini (University of Zurich) Titus Mangham-Neupert

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