SKM 2021 – scientific programme
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MA: Fachverband Magnetismus
MA 3: Posters Magnetism I
MA 3.7: Poster
Monday, September 27, 2021, 13:30–16:30, P
Tilted magnetization stripe domain reversal in Co/Pt multilayer systems — •Peter Heinig1, Olav Hellwig1,2, Ruslan Salikhov2, Fabian Samad2, Rico Ehrler1, and Benny Böhm1 — 1Chemnitz University of Technology — 2Helmholtz-Zentrum Dresden-Rossendorf
Co/Pt multilayer systems with total thickness above 10 nm are well-known for their highly periodic perpendicular stripe domain structures. Here we study [Co(3.0 nm)/Pt(0.6 nm)]X multilayers with constant Co and Pt thickness in the regime of tilted stripe domains, where we vary the number of repeats X to tune the remanent state from the well-known out-of-plane stripe domain via a tilted stripe domain to a purely in-plane domain state. Vibrating Sample Magnetometry (VSM) and Magnetic Force Microscopy (MFM) are used to study three characteristic samples with X = 22; 11 and 8, which represent the three above mentioned remanent states respectively. While for conventional perpendicular stripe domains the field reversal is characterized by irreversible hysteretic nucleation, propagation and annihilation of stripe domains across a broad field range, strikingly the tilted stripe domain regime reveals a collapse of all irreversible hysteretic switching down to a single point. The dramatically changed field reversal behavior will be discussed, also in the light of possible future applications.