August 30, 2021 to September 3, 2021
University of Innsbruck
Europe/Zurich timezone

【105】Directly imaged non-standing spin-waves in rectangular microstrips under uniform excitation

Aug 31, 2021, 2:30 PM
Room A

Room A

Talk Condensed Matter Physics (KOND) Condensed Matter Physics


Santa Pile (Johannes Kepler University Linz)


In this contribution we present direct imaging of spin-wave dynamics in Ni$_{80}$Fe$_{20}$ rectangular microstrips ($5\times1\times0.03$ µm$^3$) under uniform excitation. Both a single strip and two strips of the same size oriented perpendicular to each other are investigated. For FMR and time-resolved STXM measurements a static magnetic field is applied in plane, aligned parallel or perpendicular to the longer side of the strips. The measurements confirm that quasi-uniform and spin-wave excitations can be observed in these geometries. Increasing the static magnetic field allows to observe the spin-waves at resonance fields and their superposition off resonance. A non-standing character of spin waves under uniform excitation is reported. Financial support by FWF (P.Nr.:I-3050).

Primary authors

Santa Pile (Johannes Kepler University Linz) Taddäus Schaffers (Johannes Kepler Universität Linz) Dr Sven Stienen (Helmholtz-Zentrum Dresden-Rossendorf) Martin Buchner (Johannes Kepler University Linz) Dr Sebastian Wintz (Max Planck Institute for Intelligent Systems) Sina Mayr (Paul Scherrer Institute) Johannes Förster (Max Planck Institute for Intelligent Systems) Dr Verena Ney (Johannes Kepler University Linz) Dr Rysard Narkowicz (Helmholtz-Zentrum Dresden-Rossendorf) Dr Kilian Lenz (Helmholtz-Zentrum Dresden-Rossendorf) Dr Markus Weigand (Helmholtz-Zentrum Berlin) Dr Jürgen Lindner (Helmholtz-Zentrum Dresden-Rossendorf) Andreas Ney (Johannes Kepler University Linz)

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