Propagating spin wave spectroscopy in a permalloy film: A quantitative analysis

Bailleul, Matthieu and Olligs, Dominik and Fermon, Claude (2003) Propagating spin wave spectroscopy in a permalloy film: A quantitative analysis. APPLIED PHYSICS LETTERS, 83 (5). pp. 972-974. ISSN 0003-6951

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Abstract

We report on the microwave response of micrometer-wide antennas inductively coupled to a 30 nm thick permalloy film. We show that the self-inductance of a single antenna measures the coupling between the exciting current and the spin wave modes of the film. On the other hand, the signal transmitted to a second, distant antenna is used to observe the free relaxation law of a magnetostatic wave packet. All measurements, performed over a frequency range of 1-20 GHz, are quantitatively consistent with magnetostatic wave theory combined with Gilbert formulation of the damping. (C) 2003 American Institute of Physics.

Item Type: Article
Uncontrolled Keywords: FERROMAGNETIC-RESONANCE; RELAXATION; DYNAMICS; METALS; SLAB;
Subjects: 500 Science > 530 Physics
Divisions: Physics > Institute of Experimental and Applied Physics
Depositing User: Dr. Gernot Deinzer
Date Deposited: 04 Aug 2021 12:33
Last Modified: 04 Aug 2021 12:33
URI: https://pred.uni-regensburg.de/id/eprint/38734

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