Year: 2024
Type: article
Abstract: In some magnetic materials, spin-wave dispersion relations vary monotonically across the Brillouin zone, allowing wave packets with zero momentum to flow unidirectionally, which points to high-frequency spintronic applications. To get there, though, it is crucial to develop methods that can link a spin wave's properties to experimentally accessible metrics. To this end, the authors use propagating-spin-wave spectroscopy to precisely measure the dispersion of unidirectional spin waves. Their method identifies the wave vector at a particular frequency, which was a limiting factor in previous studies. This metrological approach is sure to impact the study of thin-film magnetism.
Source: Physical Review Applied
Authors: G.Y. Thiancourt, S.M. Ngom, N. Bardou, T. Devolder
Language: English
Subfield: Atomic and Molecular Physics, and Optics
Field: Physics and Astronomy
Domain: Physical Sciences
Open Access status: green
Funder: Agence Nationale de la Recherche
OpenAlex ID: W4402797668