Dresden 2020 – wissenschaftliches Programm
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MA: Fachverband Magnetismus
MA 31: Frustrated Magnets - Strong Spin-Orbit Coupling 1 (joint session TT/MA)
MA 31.1: Hauptvortrag
Mittwoch, 18. März 2020, 09:30–10:00, HSZ 304
Field-induced magnetic order in the Kitaev material α-RuCl3 — •Lukas Janssen — Technische Universität Dresden, Dresden, Germany
α-RuCl3 has recently been intensely debated in the context of a potential field-induced spin-liquid phase. However, interesting physics can be observed in this material also at field strengths below and above the putative spin-liquid regime. In this combined experimental and theoretical work, we demonstrate the existence of a novel ordered phase at intermediate field strengths, characterize its nature, and discuss implications for the dominant exchange interactions present in this material.
Talk includes results obtained with Christian Balz, Stephen E. Nagler, and Matthias Vojta.