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01.08.2023 | ELECTRICAL AND MAGNETIC PROPERTIES

Helimagnetic and Crystallographic Growth Textures of Dysprosium Nanolayers on Co₉₀Fe₁₀, Nb, and β-Ta Buffer Layers

verfasst von: L. I. Naumova, R. S. Zavornitsyn, M. A. Milyaev, D. I. Devyaterikov, A. S. Rusalina, T. P. Krinitsyna, A. Yu. Pavlova, V. V. Proglyado, V. V. Ustinov

Erschienen in: Physics of Metals and Metallography | Ausgabe 8/2023

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Abstract

Dysprosium nanolayers differing in the thickness are prepared by magnetron sputtering on Al₂O₃(R) substrates using Co₉₀Fe₁₀, β-Ta, and Nb buffer layers. The correlation between the crystallographic texture type and peculiarities of temperature dependences of electrical resistance of polycrystalline dysprosium films is studied. It is found that, in the case of deposition of Dy directly on Al₂O₃(R), a two-component texture forms in the rare-earth metal layer. One of the components is characterized by the hexagonal axis parallel to the film plane, whereas the other component is characterized by the axis perpendicular to the film plane. In the case of deposition of Dy on the β-Ta buffer layer, the microstructures of Al₂O₃ and Dy are shown to demonstrate the matching through β-Ta, and the perfection of the two-component texture increases. In the antiferromagnetic state, the texture components become “phases” differing in the orientation of magnetic helicoid axis, and the anitiferromagnetic ordering occurs at different temperatures.

Vorheriger Artikel Ultrasonic Method of Surface Treatment of Anisotropic Electrical Steel to Reduce Its Total Magnetic Losses for Remagnetization

Nächster Artikel Nonuniformity of Magnetization Processes of a Co-Based Amorphous Alloy Ribbon in the As-Quenched State

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Titel: Helimagnetic and Crystallographic Growth Textures of Dysprosium Nanolayers on Co90Fe10, Nb, and β-Ta Buffer Layers
verfasst von: L. I. Naumova
R. S. Zavornitsyn
M. A. Milyaev
D. I. Devyaterikov
A. S. Rusalina
T. P. Krinitsyna
A. Yu. Pavlova
V. V. Proglyado
V. V. Ustinov
Publikationsdatum: 01.08.2023
Verlag: Pleiades Publishing
Erschienen in: Physics of Metals and Metallography / Ausgabe 8/2023
Print ISSN: 0031-918X
Elektronische ISSN: 1555-6190
DOI: https://doi.org/10.1134/S0031918X23601063

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