- PII
- 10.31857/S0044451024050092-1
- DOI
- 10.31857/S0044451024050092
- Publication type
- Article
- Status
- Published
- Authors
- Volume/ Edition
- Volume 165 / Issue number 5
- Pages
- 700-709
- Abstract
- Strips with a length of 20 mm and width from 0.1 to 2 mm were fabricated by laser lithography from permalloy (Fe20Ni80) films with thicknesses of 50, 100, and 200 nm, obtained by magnetron sputtering on quartz substrates. In the first series of samples, the uniaxial magnetic anisotropy induced by the presence of a constant magnetic field in the film plane during deposition was oriented along the long axes of the strips, and in the second series perpendicular to them. The anisotropic properties of the samples were determined from the angular dependencies of ferromagnetic resonance fields measured on a scanning spectrometer. It was found that in the first series of samples, with decreasing strip width, the anisotropy monotonically increases several times while barely changing its direction. In the samples of the second series, it first decreases almost to zero at a certain strip width, and then rapidly grows while simultaneously rotating by ~ 90◦. The phenomenological calculation of uniaxial anisotropy in uniformly magnetized film strips shows good agreement with the experiment.
- Keywords
- Date of publication
- 15.05.2024
- Year of publication
- 2024
- Number of purchasers
- 0
- Views
- 116
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