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Regensburg 2022 – scientific programme

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MA: Fachverband Magnetismus

MA 35: Poster 2

MA 35.11: Poster

Thursday, September 8, 2022, 16:00–18:00, P4

Optical characterisation of direct write 3D nanoarchitectures for magnonics — •Sebastian Lamb-Camarena1,2, Sabri Koraltan3, Qi Wang1, Fabrizio Porrati4, Sven Barth4, Michael Huth4, Michal Urbanek5, Dieter Suess3, Andrii Chumak1, and Oleksandr Dobrovolskiy11University of Vienna, Nanomagnetism and Magnonics, Boltzmanngasse 5, 1090 Vienna, Austria — 2University of Vienna, Vienna Doctoral School in Physics, Boltzmanngasse 5, 1090 Vienna, Austria — 3University of Vienna, Physics of Functional Materials, Boltzmanngasse 5, 1090 Vienna, Austria — 4Physikalisches Institut, Goethe-Universität, Max-von-Laue-Str. 1, 60438 Frankfurt am Main, Germany — 5CEITEC BUT, Brno University of Technology, Brno 61200, Czech Republic

Major directions in magnonics are the extension of magnonic conduits into the third dimension, and operations with short wavelength, fast moving exchange magnons. Both are addressed by direct write nanoarchitectures fabricated by focused electron beam induced deposition (FEBID). Characterisation results of 2D and 3D magnetic FEBID nanostructures by Brillouin light scattering (BLS) spectroscopy and ferromagnetic resonance (FMR) measurements are presented, including a structure with 3D hemicylindrical protrusion along the top face of the rectangular waveguide. The FEBID nanostructures exhibit strong magnetic response to quasi-static and dynamic external magnetic stimuli. Further characterisation of the material properties is foundational for advancing research into spin wave dynamics and geometric curvature induced effects on signal propagation.

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