Scattering of backward spin waves in a one-dimensional magnonic crystal

Details Scattering of backward spin waves in a one-dimensional magnonic crystal Scattering of backward spin waves in a one-dimensional magnonic crystal

2008-05-27

arxiv.org/abs/0805.4142v1

Appl. Phys. Lett. 93, 022508 (2008)

Physics

Condensed Matter

Materials Science

4 pages, 3 figures

Scientific paper

10.1063/1.2963027

Scattering of backward volume magnetostatic spin waves from a one-dimensional magnonic crystal, realized by a grating of shallow grooves etched into the surface of an yttrium-iron garnet film, was experimentally studied. Rejection frequency bands were clearly observed. The rejection efficiency and the frequency width of the rejection bands increase with increasing groove depth. A theoretical model based on the analogy of a spin-wave film-waveguide with a microwave transmission line was used to interpret the obtained experimental results.

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