1. Spin-wave switching using dynamic magnonic crystal
- Author
-
Masashi Iwaba and Koji Sekiguchi
- Subjects
Crystal ,Condensed Matter::Materials Science ,Materials science ,Condensed matter physics ,Spin wave ,General Engineering ,General Physics and Astronomy ,Condensed Matter::Strongly Correlated Electrons - Abstract
In this study, switching of the spin-wave propagation was investigated using an yttrium iron garnet (YIG) waveguide. A dynamic magnonic crystal (DMC) was designed to control the non-reciprocal surface spin waves. The DMC controlled the periodic modulation field on the YIG film and caused a strong Bragg reflection on the surface spin waves. The maximum effect of Bragg reflection was analyzed by the wavelet to be 95% of its intensity. The spin-wave switching by the DMC will be a promising method of carrier-flow control for constructing the integrated magnonic circuits.
- Published
- 2021