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Stacking-dependent spin interactions in Pd/Fe bilayers on Re(0001)
W. Li, S. Paul, K. von Bergmann +2
Using spin-polarized scanning tunneling microscopy and density functional theory, we have studied the magnetic properties of Pd/Fe atomic bilayers on Re(0001). Two kinds of magneti…
Mechanisms of skyrmion collapse revealed by sub-nm maps of the transition rate
Florian Muckel, Stephan von Malottki, Christian Holl +5
Magnetic skyrmions are key candidates for novel memory, logic, and neuromorphic computing. An essential property is their topological protection caused by the whirling spin texture…
Discovery of magnetic single- and triple-Q states in Mn/Re(0001)
Jonas Spethmann, Sebastian Meyer, Kirsten von Bergmann +3
We experimentally verify the existence of two model-type magnetic ground states which were previously predicted but so far unobserved. We find them in Mn monolayers on the Re(0001)…
Toward room-temperature nanoscale skyrmions in ultrathin films
Anastasiia S. Varentcova, Stephan von Malottki, Maria N. Potkina +3
Breaking the dilemma between small size and room temperature stability is a necessary prerequisite for skyrmion-based information technology. Here we demonstrate by means of rate t…
Role of higher-order exchange interactions for skyrmion stability
Souvik Paul, Soumyajyoti Haldar, Stephan von Malottki +1
Transition-metal interfaces and multilayers are a very promising class of systems to realize nanometer-sized, stable magnetic skyrmions for future spintronic devices. For room temp…
Tailoring magnetic interactions in atomic bilayers of Rh and Fe on Re(0001)
Souvik Paul, Stefan Heinze
Using density functional theory, we investigate the interplay between the stacking order and sequence of bilayers composed of an Fe and a Rh layer on the Re(0001) and their magneti…