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Inhomogeneous magnon scattering during ultrafast demagnetization
R. Knut, E. K. Delczeg-Czirjak, S. Jana +20
NiFe (Py) and Py alloyed with Cu exhibit intriguing ultrafast demagnetization behavior, where the Ni magnetic moment shows a delayed response relative to the Fe, an…
Domain Wall Motion and Interfacial Dzyaloshinskii-Moriya Interactions in Pt/Co/Ir/Ta Multilayers
Kowsar Shahbazi, Joo-Von Kim, Hans T. Nembach +6
The interfacial Dzyaloshinskii-Moriya interaction (DMI) is important for chiral domain walls (DWs) and for stabilizing magnetic skyrmions. We study the effects of introducing incre…
Disentangling factors governing Dzyaloshinskii domain wall creep in Co/Ni thin films using PtIr seedlayers
Derek Lau, James Price Pellegren, Hans Nembach +2
We characterize asymmetric growth of magnetic bubble domains in perpendicularly magnetized Co/Ni multi-layers grown on PtIr seedlayers by application of perpendicular a…
Magnetic domain texture and the Dzyaloshinskii-Moriya interaction in Pt/Co/IrMn and Pt/Co/FeMn thin films with perpendicular exchange bias
Risalat A. Khan, Hans T. Nembach, Mannan Ali +3
Antiferromagnetic materials present us with rich and exciting physics, which we can exploit to open new avenues in spintronic device applications. We explore perpendicularly magnet…
Thin Films with Ultralow Total Damping
Eric R. J. Edwards, Hans T. Nembach, Justin M. Shaw
We measure the dynamic properties of thin films grown by dc magnetron sputtering. Using ferromagnetic resonance spectroscopy, we demonstrate an ultra…