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Current-controlled dynamic magnonic crystal
A. V. Chumak, T. Neumann, A. A. Serga +2
We demonstrate a current-controlled, dynamic magnonic crystal. It consists of a ferrite film whose internal magnetic field exhibits a periodic, cosine-like variation. The field mod…
Scattering of surface and volume spin waves in a magnonic crystal
A. V. Chumak, A. A. Serga, S. Wolff +2
The operational characteristics of a magnonic crystal, which was fabricated as an array of shallow grooves etched on a surface of a magnetic film, were compared for magnetostatic s…
Design and optimization of one-dimensional ferrite-film based magnonic crystals
A. V. Chumak, A. A. Serga, S. Wolff +2
One-dimensional magnonic crystals have been implemented as gratings of shallow grooves chemically etched into the surface of yttrium-iron garnet films. Scattering of backward volum…
Frequency-dependent reflection of spin waves from a magnetic inhomogeneity induced by a surface DC-current
T. Neumann, A. A. Serga, B. Hillebrands +1
The reflectivity of a highly localized magnetic inhomogeneity is experimentally studied. The inhomogeneity is created by a dc-current carrying wire placed on the surface of a ferri…
Formation of guided spin-wave bullets in ferrimagnetic film stripes
A. A. Serga, M. P. Kostylev, B. Hillebrands
The formation of quasi-2D nonlinear spin-wave eigenmodes in longitudinally magnetized stripes of a ferrimagnetic film, so-called guided spin-wave bullets, was experimentally observ…
Phase reciprocity of spin-wave excitation by a microstrip antenna
T. Schneider, A. A. Serga, T. Neumann +2
Using space-, time- and phase-resolved Brillouin light scattering spectroscopy we investigate the difference in phase of the two counterpropagating spin waves excited by the same m…