Direct X-Ray detection of the spin Hall effect in CuBi

The spin Hall effect and the inverse spin Hall effect are important spin-charge conversion mechanisms. The direct spin Hall effect induces a surface spin accumulation from a transverse charge current due to spin-orbit coupling even in nonmagnetic conductors. However, most detection schemes involve a...

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Autores: Ruiz-Gómez, Sandra, Guerrero, Rubén, Khaliq, Muhammad W., Fernández-González, Claudia, Prat, Jordi, Valera, Andrés, Finizio, Simone, Perna, Paolo, Camarero de Diego, Julio, Pérez, Lucas, Aballe, Lucía, Foerster, Michael
Tipo de recurso: artículo
Fecha de publicación:2022
País:España
Institución:Universidad Autónoma de Madrid
Repositorio:Biblos-e Archivo. Repositorio Institucional de la UAM
Idioma:inglés
OAI Identifier:oai:repositorio.uam.es:10486/706309
Acceso en línea:http://hdl.handle.net/10486/706309
https://dx.doi.org/10.1103/PhysRevX.12.031032
Access Level:acceso abierto
Palabra clave:Binary Alloys
Circular Dichroism Spectroscopy
Copper
Crystal Symmetry
Dichroism
Magnetic Moments
X Ray Spectroscopy
Física
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spelling Direct X-Ray detection of the spin Hall effect in CuBiRuiz-Gómez, SandraGuerrero, RubénKhaliq, Muhammad W.Fernández-González, ClaudiaPrat, JordiValera, AndrésFinizio, SimonePerna, PaoloCamarero de Diego, JulioPérez, LucasAballe, LucíaFoerster, MichaelBinary AlloysCircular Dichroism SpectroscopyCopperCrystal SymmetryDichroismMagnetic MomentsX Ray SpectroscopyFísicaThe spin Hall effect and the inverse spin Hall effect are important spin-charge conversion mechanisms. The direct spin Hall effect induces a surface spin accumulation from a transverse charge current due to spin-orbit coupling even in nonmagnetic conductors. However, most detection schemes involve additional interfaces, leading to large scattering in reported data. Here we perform interface-free x-ray spectroscopy measurements at the Cu L3,2 absorption edges of highly Bi-doped Cu (Cu95Bi5). The detected x-ray magnetic circular dichroism signal corresponds to an induced magnetic moment of (2.2 ± 0.5) × 10-12 μB A-1 cm2 per Cu atom averaged over the probing depth, which is of the same order of magnitude as found for Pt measured by magneto-optics. The results highlight the importance of interface-free measurements to assess material parameters and the potential of CuBi for spin-charge conversion applicationsAmerican Physical SocietyDepartamento de Física de la Materia CondensadaFacultad de Ciencias20222022-09-01research articlehttp://purl.org/coar/resource_type/c_2df8fbb1VoRhttp://purl.org/coar/version/c_970fb48d4fbd8a85info:eu-repo/semantics/articleapplication/pdfhttp://hdl.handle.net/10486/706309https://dx.doi.org/10.1103/PhysRevX.12.031032reponame:Biblos-e Archivo. Repositorio Institucional de la UAMinstname:Universidad Autónoma de MadridInglésengopen accesshttp://purl.org/coar/access_right/c_abf2info:eu-repo/semantics/openAccessoai:repositorio.uam.es:10486/7063092026-06-23T12:46:27Z
dc.title.none.fl_str_mv Direct X-Ray detection of the spin Hall effect in CuBi
title Direct X-Ray detection of the spin Hall effect in CuBi
spellingShingle Direct X-Ray detection of the spin Hall effect in CuBi
Ruiz-Gómez, Sandra
Binary Alloys
Circular Dichroism Spectroscopy
Copper
Crystal Symmetry
Dichroism
Magnetic Moments
X Ray Spectroscopy
Física
title_short Direct X-Ray detection of the spin Hall effect in CuBi
title_full Direct X-Ray detection of the spin Hall effect in CuBi
title_fullStr Direct X-Ray detection of the spin Hall effect in CuBi
title_full_unstemmed Direct X-Ray detection of the spin Hall effect in CuBi
title_sort Direct X-Ray detection of the spin Hall effect in CuBi
dc.creator.none.fl_str_mv Ruiz-Gómez, Sandra
Guerrero, Rubén
Khaliq, Muhammad W.
Fernández-González, Claudia
Prat, Jordi
Valera, Andrés
Finizio, Simone
Perna, Paolo
Camarero de Diego, Julio
Pérez, Lucas
Aballe, Lucía
Foerster, Michael
author Ruiz-Gómez, Sandra
author_facet Ruiz-Gómez, Sandra
Guerrero, Rubén
Khaliq, Muhammad W.
Fernández-González, Claudia
Prat, Jordi
Valera, Andrés
Finizio, Simone
Perna, Paolo
Camarero de Diego, Julio
Pérez, Lucas
Aballe, Lucía
Foerster, Michael
author_role author
author2 Guerrero, Rubén
Khaliq, Muhammad W.
Fernández-González, Claudia
Prat, Jordi
Valera, Andrés
Finizio, Simone
Perna, Paolo
Camarero de Diego, Julio
Pérez, Lucas
Aballe, Lucía
Foerster, Michael
author2_role author
author
author
author
author
author
author
author
author
author
author
dc.contributor.none.fl_str_mv Departamento de Física de la Materia Condensada
Facultad de Ciencias
dc.subject.none.fl_str_mv Binary Alloys
Circular Dichroism Spectroscopy
Copper
Crystal Symmetry
Dichroism
Magnetic Moments
X Ray Spectroscopy
Física
topic Binary Alloys
Circular Dichroism Spectroscopy
Copper
Crystal Symmetry
Dichroism
Magnetic Moments
X Ray Spectroscopy
Física
description The spin Hall effect and the inverse spin Hall effect are important spin-charge conversion mechanisms. The direct spin Hall effect induces a surface spin accumulation from a transverse charge current due to spin-orbit coupling even in nonmagnetic conductors. However, most detection schemes involve additional interfaces, leading to large scattering in reported data. Here we perform interface-free x-ray spectroscopy measurements at the Cu L3,2 absorption edges of highly Bi-doped Cu (Cu95Bi5). The detected x-ray magnetic circular dichroism signal corresponds to an induced magnetic moment of (2.2 ± 0.5) × 10-12 μB A-1 cm2 per Cu atom averaged over the probing depth, which is of the same order of magnitude as found for Pt measured by magneto-optics. The results highlight the importance of interface-free measurements to assess material parameters and the potential of CuBi for spin-charge conversion applications
publishDate 2022
dc.date.none.fl_str_mv 2022
2022-09-01
dc.type.none.fl_str_mv research article
http://purl.org/coar/resource_type/c_2df8fbb1
VoR
http://purl.org/coar/version/c_970fb48d4fbd8a85
dc.type.openaire.fl_str_mv info:eu-repo/semantics/article
format article
dc.identifier.none.fl_str_mv http://hdl.handle.net/10486/706309
https://dx.doi.org/10.1103/PhysRevX.12.031032
url http://hdl.handle.net/10486/706309
https://dx.doi.org/10.1103/PhysRevX.12.031032
dc.language.none.fl_str_mv Inglés
eng
language_invalid_str_mv Inglés
language eng
dc.rights.none.fl_str_mv open access
http://purl.org/coar/access_right/c_abf2
dc.rights.openaire.fl_str_mv info:eu-repo/semantics/openAccess
rights_invalid_str_mv open access
http://purl.org/coar/access_right/c_abf2
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv American Physical Society
publisher.none.fl_str_mv American Physical Society
dc.source.none.fl_str_mv reponame:Biblos-e Archivo. Repositorio Institucional de la UAM
instname:Universidad Autónoma de Madrid
instname_str Universidad Autónoma de Madrid
reponame_str Biblos-e Archivo. Repositorio Institucional de la UAM
collection Biblos-e Archivo. Repositorio Institucional de la UAM
repository.name.fl_str_mv
repository.mail.fl_str_mv
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score 15.300719

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