Dresden 2026 – wissenschaftliches Programm
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MA: Fachverband Magnetismus
MA 29: Spin Transport and Orbitronics, Spin-Hall Effects I (joint session MA/TT)
MA 29.2: Vortrag
Mittwoch, 11. März 2026, 10:00–10:15, POT/0112
Chiral Molecule-Induced Magnetic Anisotropies — •Simon Sochiera1, Ashish Moharana1, Yael Kapon2, Fabian Kammerbauer1, Shira Yochelis2, Mathias Kläui1, Yossi Paltiel2, and Angela Wittmann1 — 1Johannes Gutenberg University, Mainz, Germany — 2Hebrew University of Jerusalem, Jerusalem, Israel
The chiral-induced spin selectivity effect promises novel spintronic devices. Despite numerous interdisciplinary experiments revealing its implications and trends, this phenomenon challenges our theoretical understanding of the interplay between spin and chirality, particularly regarding apparent time-reversal symmetry breaking. This symmetry breaking can be observed by measuring a magnetic thin film's anisotropy upon chiral-molecule adsorption. We quantify this phenomenon by measuring the magnetic anisotropy through electrical magnetotransport measurements. Upon chiral-molecule adsorption, we observe a 35% change in out-of-plane hard-axis anisotropy. This approach enables sensitive probing of magnetic property changes induced by different chiral molecular systems on various conductive or insulating magnetic thin films. Correlating molecular properties, such as spin-orbit coupling, with their impact on magnetic anisotropy will be crucial for understanding the fundamental mechanisms of chiral-induced spin selectivity and for facilitating the design of spintronic devices that require a precisely tuned anisotropy.
Keywords: Spin Hall Magnetoresistance; Magnetic Anisotropy; Chiral-Molecule Adsorption