Physikalisches Kolloquium: Building and investigating magnetic adatom chains on superconductors atom by atom

Jul 07
7. July 2021 12:00 - 13:00

Building and inves-ga-ng magne-c adatom chains on superconductors atom by atom

Magnetic adatom chains on superconducting substrates are promising platforms for the exploration of magnetic interactions and correlation effects. Moreover, signatures of topological superconductivity and Majorana zero modes have been reported recently. In this talk, I will explain the interactions of magnetic adatoms with a superconductor and how they can be detected at the single atom level using scanning tunneling spectroscopy. We will then use the STM tip to assemble dimers, trimers and adatom chains all the way to chains as long as 51 atoms. In each step, we track the evolution of the spectroscopic signatures and identify magnetic interactions, hybridization and finally band formation.

Sprecherin: Prof. Katharina Franke, Freie Universität Berlin

Kontakt: Die Frauenbeauftragten des Departments Physik; Prof. Kristina Giesel

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Kenncode: 948710
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Kenncode: 948710
Meeting-ID: 667 0026 4537