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CPP: Fachverband Chemische Physik und Polymerphysik
CPP 78: Scanning Probe Techniques I: Method development (joint session O/CPP)
CPP 78.1: Vortrag
Mittwoch, 18. März 2020, 15:00–15:15, TRE Ma
Dynamics in spin excitation spectroscopy measurements — •Luigi Malavolti1,2, Max Hänze1,2, Gregory McMurtrie1, and Sebastian Loth1,2 — 1University of Stuttgart, Institute for Functional Matter and Quantum Technologies, Stuttgart, Germany. — 2Max Planck Institute for Solid State Research, Stuttgart, Germany.
Spin excitation spectroscopy has proven to be an essential tool for the investigation of magnetic phenomena at the atomic scale [1] forming the basis for RF-STM investigation of both electron spin resonance and spin dynamics [2]. However, certain spin dynamic phenomena can also be transduced directly via standard dIdV(V) measurements [3]. Here, the contribution of spin dynamic effects to static spectroscopy measurements is presented using a combined theoretical and experimental approach. Understanding these phenomena allows the behavior of spin systems with long-lived excitations to be anticipated, offering a fast and reliable way to access spin dynamics with standard STM techniques. [1] R. Wiesendanger, Rev. Mod. Phys. 81, 1495 (2009) [2] Loth S., Science, 329, 1628, (2010) [3] Rolf-Pissarczyk S., PRL, 119, 217201, (2017)