Anisotropic Propagation and Damping of Spin Waves in a Nanopatterned Antidot Lattice

Neusser, S. and Duerr, G. and Bauer, H. G. and Tacchi, S. and Madami, M. and Woltersdorf, G. and Gubbiotti, G. and Back, C. H. and Grundler, D. (2010) Anisotropic Propagation and Damping of Spin Waves in a Nanopatterned Antidot Lattice. PHYSICAL REVIEW LETTERS, 105 (6): 067208. ISSN 0031-9007,

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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 Ni(80)Fe(20) 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 20 mu m.

Item Type: Article
Uncontrolled Keywords: PERMALLOY; FILM;
Subjects: 500 Science > 530 Physics
Divisions: Physics > Institute of Experimental and Applied Physics > Chair Professor Back > Group Christian Back
Depositing User: Dr. Gernot Deinzer
Date Deposited: 15 Jul 2020 10:06
Last Modified: 15 Jul 2020 10:06
URI: https://pred.uni-regensburg.de/id/eprint/24330

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