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Physics of Metals and Metallography
Published in: Physics of Metals and Metallography 11/2018

01-11-2018 | ELECTRICAL AND MAGNETIC PROPERTIES

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

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

Published in: Physics of Metals and Metallography | Issue 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.
previous article Electron Structure and Optical Properties of the Mn1.8Co1.2Al Alloy and Spin Gapless Semiconductor State
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Metadata
Title
Giant Magnetoresistance and Hysteresis Phenomena in CoFe/Cu Superlattices with Highly Perfect Crystallographic Texture
Authors
N. S. Bannikova
M. A. Milyaev
L. I. Naumova
E. I. Patrakov
V. V. Proglyado
I. Yu. Kamenskii
M. V. Ryabukhina
V. V. Ustinov
Publication date
01-11-2018
Publisher
Pleiades Publishing
Published in
Physics of Metals and Metallography / Issue 11/2018
Print ISSN: 0031-918X
Electronic ISSN: 1555-6190
DOI
https://doi.org/10.1134/S0031918X18110029

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