Berlin 2024 – scientific programme

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O: Fachverband Oberflächenphysik

O 3: Focus Session: Spins on Surfaces studied by Atomic Scale Spectroscopies I

O 3.1: Topical Talk

Monday, March 18, 2024, 10:30–11:00, MA 004

Magnetic molecules on superconductors: from sensing experiments to novel molecular candidates for quantum platforms — •Giulia Serrano — Department of Industrial Engineering, University of Florence, florence, Italy

The interaction between magnetic molecules and superconductors (SC) has unveiled intriguing phenomena with implications for spintronics and quantum technologies. A monolayer of Single Molecule Magnets, characterized by magnetic hysteresis, has demonstrated a remarkable sensitivity to the SC transition. This sensitivity influences their hysteresis and triggers the activation of the resonant magnetization regime [1],[2].

At the single molecule level, the emergence of localized magnetic states, resulting from the interplay between the spin and the SC surface, holds the potential to pave the way for more sophisticated quantum platforms, such as those involving topologically protected qubits. In this context, innovative molecular systems are proposed, wherein ligands mediate spin-spin interactions. Their preliminary exploration on surfaces is presented [3],[4].

[1] Serrano et al., Nat. Mater., 19, 546, 2020. [2] Serrano et al., Nat. Commun., 13, 3838, 2022. [3] Santanni et al., JACS Au, 3, 1250, 2023. [4] Ranieri et al., Chem. Sci., 14, 61, 2023.

Keywords: magnetic molecules; superconductors; molecular nanostructures; scanning tunneling microsocopy; photoemission spectroscopy