Spectrum of the Ferromagnetic Resonance of a Lattice of Orthogonal Permalloy Microwaveguides
- Autores: Vysotskii S.1, Dudko G.1, Dzhumaliev A.1, Kozhevnikov A.1, Nikulin Y.1, Sakharov V.1, Khivintsev Y.1, Filimonov Y.1, Khitun A.2, Nikitov S.3
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Afiliações:
- Kotel’nikov Institute of Radio Engineering and Electronics (Saratov Branch)
- Department of Electrical and Computer Engineering
- Kotel’nikov Institute of Radio Engineering and Electronics
- Edição: Volume 63, Nº 9 (2018)
- Páginas: 1047-1052
- Seção: Radio Phenomena in Solids and Plasma
- URL: https://journals.rcsi.science/1064-2269/article/view/200159
- DOI: https://doi.org/10.1134/S1064226918090255
- ID: 200159
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Resumo
The ferromagnetic resonance spectrum at a frequency of ~9.85 GHz for an in-plane magnetized 2D square lattice with the unit cell parameter а ≈ 15 μm consisting of orthogonal microwaveguides with a width of w ≈ 5 μm on the basis of a permalloy film with thickness of d ≈ 90 nm has been experimentally and numerically investigated. It is shown that upon variation in the angle θ between the magnetic field direction and the unit cell axis, the total spectrum of spin-wave excitations of the lattice can be presented as a superposition of the spectra of separate permalloy microstrips magnetized at angles θ and π/2–θ and regions corresponding to the lattice nodes. It has been found that, in the case of magnetization along the lattice diagonal (θ ≈ 45о), excitations localized at the lattice nodes dominate in the spectrum, whereas, at θ ≈ 0 and 90°, the main contribution is made by excitations localized mainly on the microwaveguide segments between the lattice nodes; at θ ≈ 10°–13° and 18–20°, “repulsion” of absorption lines in the spectrum is observed.
Sobre autores
S. Vysotskii
Kotel’nikov Institute of Radio Engineering and Electronics (Saratov Branch)
Autor responsável pela correspondência
Email: vysotsl@gmail.com
Rússia, Saratov, 410019
G. Dudko
Kotel’nikov Institute of Radio Engineering and Electronics (Saratov Branch)
Email: vysotsl@gmail.com
Rússia, Saratov, 410019
A. Dzhumaliev
Kotel’nikov Institute of Radio Engineering and Electronics (Saratov Branch)
Email: vysotsl@gmail.com
Rússia, Saratov, 410019
A. Kozhevnikov
Kotel’nikov Institute of Radio Engineering and Electronics (Saratov Branch)
Email: vysotsl@gmail.com
Rússia, Saratov, 410019
Yu. Nikulin
Kotel’nikov Institute of Radio Engineering and Electronics (Saratov Branch)
Email: vysotsl@gmail.com
Rússia, Saratov, 410019
V. Sakharov
Kotel’nikov Institute of Radio Engineering and Electronics (Saratov Branch)
Email: vysotsl@gmail.com
Rússia, Saratov, 410019
Yu. Khivintsev
Kotel’nikov Institute of Radio Engineering and Electronics (Saratov Branch)
Email: vysotsl@gmail.com
Rússia, Saratov, 410019
Yu. Filimonov
Kotel’nikov Institute of Radio Engineering and Electronics (Saratov Branch)
Email: vysotsl@gmail.com
Rússia, Saratov, 410019
A. Khitun
Department of Electrical and Computer Engineering
Email: vysotsl@gmail.com
Estados Unidos da América, Riverside, California, 92521
S. Nikitov
Kotel’nikov Institute of Radio Engineering and Electronics
Email: vysotsl@gmail.com
Rússia, Moscow, 125009