Anisotropic propagation and damping of spin waves in a nanopatterned antidot lattice

S. Neusser; G. Duerr; H. G. Bauer; S. Tacchi; M. Madami; G. Woltersdorf; G. Gubbiotti; C. H. Back; D. Grundler

doi:10.1103/PhysRevLett.105.067208

Anisotropic propagation and damping of spin waves in a nanopatterned antidot lattice

S. Neusser, G. Duerr, H. G. Bauer, S. Tacchi, M. Madami, G. Woltersdorf, G. Gubbiotti, C. H. Back, D. Grundler

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131 Scopus citations

Abstract

All-electrical spin-wave spectroscopy, Brillouin light scattering, as well as the magneto-optical Kerr effect are combined to study spin-wave propagation through a magnetic antidot lattice nanopatterned into a Ni80Fe20 thin film. The propagation velocities and, in particular, the relaxation are found to depend characteristically on the applied in-plane magnetic field. We explain the observed anisotropies by magnetic field-controlled spin-wave guiding in a network of interconnected nanowires which takes place over distances of up to 20μm.

Original language	English
Article number	067208
Journal	Physical Review Letters
Volume	105
Issue number	6
DOIs	https://doi.org/10.1103/PhysRevLett.105.067208
State	Published - 6 Aug 2010
Externally published	Yes

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10.1103/PhysRevLett.105.067208

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title = "Anisotropic propagation and damping of spin waves in a nanopatterned antidot lattice",

abstract = "All-electrical spin-wave spectroscopy, Brillouin light scattering, as well as the magneto-optical Kerr effect are combined to study spin-wave propagation through a magnetic antidot lattice nanopatterned into a Ni80Fe20 thin film. The propagation velocities and, in particular, the relaxation are found to depend characteristically on the applied in-plane magnetic field. We explain the observed anisotropies by magnetic field-controlled spin-wave guiding in a network of interconnected nanowires which takes place over distances of up to 20μm.",

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AU - Neusser, S.

AU - Duerr, G.

AU - Bauer, H. G.

AU - Tacchi, S.

AU - Madami, M.

AU - Woltersdorf, G.

AU - Gubbiotti, G.

AU - Back, C. H.

AU - Grundler, D.

PY - 2010/8/6

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N2 - All-electrical spin-wave spectroscopy, Brillouin light scattering, as well as the magneto-optical Kerr effect are combined to study spin-wave propagation through a magnetic antidot lattice nanopatterned into a Ni80Fe20 thin film. The propagation velocities and, in particular, the relaxation are found to depend characteristically on the applied in-plane magnetic field. We explain the observed anisotropies by magnetic field-controlled spin-wave guiding in a network of interconnected nanowires which takes place over distances of up to 20μm.

AB - All-electrical spin-wave spectroscopy, Brillouin light scattering, as well as the magneto-optical Kerr effect are combined to study spin-wave propagation through a magnetic antidot lattice nanopatterned into a Ni80Fe20 thin film. The propagation velocities and, in particular, the relaxation are found to depend characteristically on the applied in-plane magnetic field. We explain the observed anisotropies by magnetic field-controlled spin-wave guiding in a network of interconnected nanowires which takes place over distances of up to 20μm.

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JO - Physical Review Letters

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ER -

Anisotropic propagation and damping of spin waves in a nanopatterned antidot lattice

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