SKM 2023 – wissenschaftliches Programm
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MA: Fachverband Magnetismus
MA 44: Frustrated Magnets II
MA 44.1: Vortrag
Donnerstag, 30. März 2023, 15:00–15:15, HSZ 403
Magnetic Force Microscopy Investigations of the Kagome Spin Ice Host HoAgGe — •Tsuei-Shin Wu1, Subhajit Roychowdhury2, Samuel D. Seddon1, Peter Milde1, Claudia Felser2, and Lukas M. Eng1,3 — 1Institute of Applied Physics, Technische Universität Dresden, Dresden, Germany — 2Max-Planck-Institute for Chemical Physics of Solids, Dresden, Germany — 3Dresden-Würzburg Cluster of Excellence * Complexity and Topology in Quantum Matter (ct.qmat), TU Dresden, 01062 Dresden, Germany
The recent discovery of the quasi-2D spin ice on a Kagome lattice in HoAgGe [1] has highlighted this material system as the perfect environment in order to explore emerging questions and to clarify ongoing discussions regarding 2D spin ices within the scientific community. The presence of several high-order magnetization plateaus implies the possible existence of quantum magnetic states and/or non-collinear spin textures that may originate from quantum or thermal fluctuations [2]. Peaks in the topological Hall effect, which correlate with these magnetization plateaus, also potentially imply the presence of exotic spin textures - or at the very least non-collinear spin textures, which low-temperature (LT) Magnetic Force Microscopy (MFM) is perfectly placed to uncover. Here we present LT-MFM results when investigating the magnetic textures and their behaviors in HoAgGe samples under magnetic fields applied along the relevant crystallographic Kagome lattice directions.
Reference [1] Zhao et al., Science 367, 1218 (2020). [2] Baran et al., Journal of Alloys and Compounds 281, 92 (1998).