Resonant magnetic induction tomography of a magnetized sphere
arXiv:1809.09785 · doi:10.1103/PhysRevApplied.12.014061
Abstract
We demonstrate the structural imaging of magnetostatic spin-wave modes hosted in a millimeter-sized ferromagnetic sphere. Unlike for low-dimensional magnetic materials, there is no prior technique to image these modes in bulk magnetized solid of revolution. Based on resonant magnetic induction tomography in the microwave range, our approach ensures the robust identification of these non-trivial spin-wave modes by establishing their azimuthal and polar dependences, starting point of magnonic fundamental studies and hybrid systems with complex spin textures well beyond the uniform precession mode.
arXiv comment6 pages, 4 figures (with Supplemental Material of 13 pages and 8 figures)
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- Cryogenic Magnomechanics for Thermometry Applications
- Field Theory of Linear Spin-Waves in Finite Textured Ferromagnets
- One-dimensional optomagnonic microcavities for selective excitation of perpendicular standing spin waves
- Loop-gap resonators achieving strong magnon-photon coupling in magnetic insulator thin films