Regensburg 2025 – wissenschaftliches Programm

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O: Fachverband Oberflächenphysik

O 25: Overview Talk Jörg Kröger

O 25.1: Topical Talk

Dienstag, 18. März 2025, 09:30–10:15, H24

Exploring quantum physics with scanning probe methods — •Jörg Kröger — Institut für Physik, Technische Universität Ilmenau, Germany

It is hardly possible to ignore the importance of scanning probe techniques for the understanding of mechanisms and principles in the quantum behavior of condensed matter. This Overview Talk presents contributions of atomic force microscope experiments to controlling and quantifying interactions involved in bonding processes at the single-atom level. It then demonstrates that scanning tunneling spectroscopy is successfully used in exciting and detecting quantum vibrations and spins as well as in characterizing the charge transport across the metal-superconductor interface. Funding by the DFG through KR 2912/17-1, 18-1, 21-1 and the BMBF through ForLab is acknowledged.

Keywords: atomic manipulation of matter; spins on surfaces at the atomic scale; metal-superconductor interface; quantum vibrations of molecules; phonons of graphene