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1 August 2021 Lateral spin pumping in embedded magnetic nanostructures based on Fe60Al40 alloy
Anna Semisalova, Tanja Strusch, Kay Potzger, Kilian Lenz, Rantej Bali, Jonathan Ehrler, Ralf Meckenstock, Jürgen Lindner, Michael Farle
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Proceedings Volume 11805, Spintronics XIV; 1180527 (2021) https://doi.org/10.1117/12.2596195
Event: SPIE Nanoscience + Engineering, 2021, San Diego, California, United States
Abstract
We report on ferromagnetic resonance (FMR) detected spin pumping in Fe60Al40 /Pd and Py/Fe60Al40 bilayers, and laterally patterned Fe60Al40 (FeAl) nanostructures. The magnetic properties of FeAl alloy are tailorable from paramagnetic to ferromagnetic state by variation of the structure through an ion beam irradiation, which makes this material promising for the fabrication of magnetic landscapes and magnonic crystals. Exploiting this tunability, we show that FeAl can be used as spin source and spin sink in spin pumping experiments. Using the material with the identical chemical composition as para- and ferromagnet, we suggest a new pathway for creating lateral spin pumping geometries which are produced with ion beam irradiation of B2 alloys.
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Anna Semisalova, Tanja Strusch, Kay Potzger, Kilian Lenz, Rantej Bali, Jonathan Ehrler, Ralf Meckenstock, Jürgen Lindner, and Michael Farle "Lateral spin pumping in embedded magnetic nanostructures based on Fe60Al40 alloy", Proc. SPIE 11805, Spintronics XIV, 1180527 (1 August 2021); https://doi.org/10.1117/12.2596195
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KEYWORDS
Magnetism
Nanostructures
Fermium
Frequency modulation
Ions
Diffusion
Ferromagnetics
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