High wave vector non-reciprocal spin wave beams
Abstract:
We report unidirectional transmission of micron-wide spin waves beams in a 55 nm thin YIG. We downscaled a chiral coupling technique implementing Ni80Fe20 nanowires arrays with different widths and lattice spacing to study the non-reciprocal transmission of exchange spin waves down to λ ≈ 80 nm. A full spin wave spectroscopy analysis of these high wavevector coupled-modes shows some difficulties to characterize their propagation properties, due to both the non-monotonous field dependence of the coupling efficiency, and also the inhomogeneous stray field from the nanowires.
Año de publicación:
2023
Keywords:
Fuente:

Tipo de documento:
Article
Estado:
Acceso abierto
Áreas de conocimiento:
- Física
Áreas temáticas:
- Electricidad y electrónica
- Ingeniería civil
- Magnetismo