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01.11.2018 | ELECTRICAL AND MAGNETIC PROPERTIES

Giant Magnetoresistance and Hysteresis Phenomena in CoFe/Cu Superlattices with Highly Perfect Crystallographic Texture

verfasst von: N. S. Bannikova, M. A. Milyaev, L. I. Naumova, E. I. Patrakov, V. V. Proglyado, I. Yu. Kamenskii, M. V. Ryabukhina, V. V. Ustinov

Erschienen in: Physics of Metals and Metallography | Ausgabe 11/2018

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Abstract

This paper presents the results of the investigation of the structure and magnetoresistive properties of [Co₉₀Fe₁₀/Cu]_n superlattices deposited on (Ni₈₀Fe₂₀)₆₀Cr₄₀ and Ta/(Ni₈₀Fe₂₀)₆₀Cr₄₀ buffer layers by magnetron sputtering. Our study has found that a Ta sublayer added to the (Ni₈₀Fe₂₀)₆₀Cr₄₀ buffer layer increases the degree of perfection of the 〈111〉 texture. This leads to a substantial decrease in the magnetoresistance hysteresis. The optimization of the composition of multilayered structure allowed us to obtain the superlattice with the relative magnetoresistance magnitude, which at room temperature reaches 81% and, at liquid helium temperature, exceeds 160%. The studied superlattices exhibited high temperature stability.

Vorheriger Artikel Electron Structure and Optical Properties of the Mn1.8Co1.2Al Alloy and Spin Gapless Semiconductor State

Nächster Artikel Effect of Built Geometry on the Microstructure and Strength Characteristics of the Ti–6Al–4V Alloy Prepared by the Selective Laser Melting

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Titel: Giant Magnetoresistance and Hysteresis Phenomena in CoFe/Cu Superlattices with Highly Perfect Crystallographic Texture
verfasst von: N. S. Bannikova
M. A. Milyaev
L. I. Naumova
E. I. Patrakov
V. V. Proglyado
I. Yu. Kamenskii
M. V. Ryabukhina
V. V. Ustinov
Publikationsdatum: 01.11.2018
Verlag: Pleiades Publishing
Erschienen in: Physics of Metals and Metallography / Ausgabe 11/2018
Print ISSN: 0031-918X
Elektronische ISSN: 1555-6190
DOI: https://doi.org/10.1134/S0031918X18110029

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