Features of the Magnetic State of an Ordered Array of Ferromagnetic Ribbons

V. A. Orlov; Орлов В. А.; R. Yu. Rudenko; Руденко Р. Ю.; A. V. Luk’yanenko; Лукьяненко А. В.; V. Yu. Yakovchuk; Яковчук В. Ю.; V. A. Komarov; Комаров В. А.; V. S. Prokopenko; Прокопенко В. С.; I. N. Orlova; Орлова И. Н.

doi:10.31857/S0015323022601295

Features of the Magnetic State of an Ordered Array of Ferromagnetic Ribbons

Autores: Orlov V.¹^,2, Rudenko R.¹, Luk’yanenko A.², Yakovchuk V.², Komarov V.², Prokopenko V.³, Orlova I.³
Afiliações:
1. Siberian Federal University
2. Kirenskii Institute of Physics, Russian Academy of Sciences
3. Astaf’ev Krasnoyrsk State Pedagogical University
Edição: Volume 124, Nº 2 (2023)
Páginas: 117-125
Seção: ЭЛЕКТРИЧЕСКИЕ И МАГНИТНЫЕ СВОЙСТВА
URL: https://journals.rcsi.science/0015-3230/article/view/139385
DOI: https://doi.org/10.31857/S0015323022601295
EDN: https://elibrary.ru/HKKUJT
ID: 139385

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Resumo

The features of the magnetic state of an array of parallel oriented permalloy ribbons are discussed. The arrays are made by explosive lithography. The ribbons have a thickness of 180 nm, a width of 2.8 μm, and a length of about 4 mm. The distance between ribbons in different samples varies in the range from 300 nm to 4 μm. It is found that the ribbons in the regions far from the end faces are in a single-domain state with small-angle ripples, the magnetization distribution of which correlates with inhomogeneities of the ribbon side surfaces. Moreover, there is a distinct relationship in the spatial distribution of the ripples between adja-cent ribbons with a relatively small distance between them. This makes it possible to evaluate the role of the magnetostatic coupling of magnetic subsystems of array elements and to estimate the characteristic value of the random stray field that pins the magnetization.

Palavras-chave

magnetic domain wall, magnetic vortex, ferromagnetic ribbon

Bibliografia

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