Spin valve with non-collinear magnetization configuration imprinted by a static magnetic field

To control the angle between magnetizations in two adjacent ferromagnetic layers without using a rotator, a novel spin valve was designed and fabricated. A key element of the design is a replacement of a pinned ferromagnetic layer by a synthetic antiferromagnet (SAF). The predefined non-collinear ma...

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Main Authors: Pavel N. Lapa, Trupti Khaire, Junjia Ding, John E. Pearson, Valentyn Novosad, Axel Hoffmann, J. S. Jiang
Format: Article
Language:English
Published: AIP Publishing LLC 2016-05-01
Series:AIP Advances
Online Access:http://dx.doi.org/10.1063/1.4943154
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author Pavel N. Lapa
Trupti Khaire
Junjia Ding
John E. Pearson
Valentyn Novosad
Axel Hoffmann
J. S. Jiang
author_facet Pavel N. Lapa
Trupti Khaire
Junjia Ding
John E. Pearson
Valentyn Novosad
Axel Hoffmann
J. S. Jiang
author_sort Pavel N. Lapa
collection DOAJ
description To control the angle between magnetizations in two adjacent ferromagnetic layers without using a rotator, a novel spin valve was designed and fabricated. A key element of the design is a replacement of a pinned ferromagnetic layer by a synthetic antiferromagnet (SAF). The predefined non-collinear magnetization configurations are produced by cooling the valve in different magnetic fields. Giant magnetoresistance (GMR) measurements allowed mapping of the angle between the magnetizations in the SAF and the free layer depending on the magnitude of the cooling field.
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spelling doaj.art-a3df4198fb71414c8c576ac0544f52392022-12-21T18:53:30ZengAIP Publishing LLCAIP Advances2158-32262016-05-0165056107056107-610.1063/1.4943154047691ADVSpin valve with non-collinear magnetization configuration imprinted by a static magnetic fieldPavel N. Lapa0Trupti Khaire1Junjia Ding2John E. Pearson3Valentyn Novosad4Axel Hoffmann5J. S. Jiang6Material Science Division, Argonne National Laboratory, Argonne, IL 60439, USAMaterial Science Division, Argonne National Laboratory, Argonne, IL 60439, USAMaterial Science Division, Argonne National Laboratory, Argonne, IL 60439, USAMaterial Science Division, Argonne National Laboratory, Argonne, IL 60439, USAMaterial Science Division, Argonne National Laboratory, Argonne, IL 60439, USAMaterial Science Division, Argonne National Laboratory, Argonne, IL 60439, USAMaterial Science Division, Argonne National Laboratory, Argonne, IL 60439, USATo control the angle between magnetizations in two adjacent ferromagnetic layers without using a rotator, a novel spin valve was designed and fabricated. A key element of the design is a replacement of a pinned ferromagnetic layer by a synthetic antiferromagnet (SAF). The predefined non-collinear magnetization configurations are produced by cooling the valve in different magnetic fields. Giant magnetoresistance (GMR) measurements allowed mapping of the angle between the magnetizations in the SAF and the free layer depending on the magnitude of the cooling field.http://dx.doi.org/10.1063/1.4943154
spellingShingle Pavel N. Lapa
Trupti Khaire
Junjia Ding
John E. Pearson
Valentyn Novosad
Axel Hoffmann
J. S. Jiang
Spin valve with non-collinear magnetization configuration imprinted by a static magnetic field
AIP Advances
title Spin valve with non-collinear magnetization configuration imprinted by a static magnetic field
title_full Spin valve with non-collinear magnetization configuration imprinted by a static magnetic field
title_fullStr Spin valve with non-collinear magnetization configuration imprinted by a static magnetic field
title_full_unstemmed Spin valve with non-collinear magnetization configuration imprinted by a static magnetic field
title_short Spin valve with non-collinear magnetization configuration imprinted by a static magnetic field
title_sort spin valve with non collinear magnetization configuration imprinted by a static magnetic field
url http://dx.doi.org/10.1063/1.4943154
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