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Comparison of measured and simulated spin-wave mode spectra of magnetic nanostructures
H. T. Nembach, R. D. McMichael, M. L. Schneider +2
Motivated by the importance of magnetization dynamics in nanomagnets for the development and optimization of magnetic devices and sensors, we measured and modeled spin wave spectra…
Anisotropic skyrmion bubbles in ultra-thin epitaxial AuPt/Co/W films
Lorenzo Camosi, José Peña-Garcia, Olivier Fruchart +7
We studied the symmetry of magnetic properties and the resulting magnetic textures in ultra-thin epitaxial AuPt/Co/W, a model system exhibiting perpendicular magn…
Tuning of the Dzyaloshinskii-Moriya Interaction by He ion irradiation
Hans T. Nembach, Emilie Jué, Kay Poetzger +3
We studied the impact of He irradiation on the Dzyaloshinskii-Moriya interaction (DMI) in Ta/Co20Fe60B20/Pt/MgO samples. We found that irradiation with of 40 keV He ions in…
Nonlinear losses in magnon transport due to four-magnon scattering
Tobias Hula, Katrin Schultheiss, Aleksandr Buzdakov +9
We report on the impact of nonlinear four-magnon scattering on magnon transport in microstructured Co25Fe75 waveguides with low magnetic damping. We determine the magnon propagatio…
Ultrafast perturbation of magnetic domains by optical pumping in a ferromagnetic multilayer
Dmitriy Zusin, Ezio Iacocca, Loïc Le Guyader +23
Ultrafast optical pumping of spatially nonuniform magnetic textures is known to induce far-from-equilibrium spin transport effects. Here, we use ultrafast x-ray diffraction with un…