Quantifying the leading role of the surface state in the Kondo effect of Co/Ag(111)

Autores
Moro Lagares, M.; Fernández, Joaquín; Roura Bas, Pablo Gines; Ibarra, M.R.; Aligia, Armando Ángel; Serrate, D.
Año de publicación
2018
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
Using a combination of scanning tunneling spectroscopy and atomic lateral manipulation, we obtained a systematic variation of the Kondo temperature TK of Co atoms on Ag(111) as a function of the surface-state contribution to the total density of states at the atom adsorption site ρs. By sampling the TK of a Co atom on positions where ρs was spatially resolved beforehand, we obtain a nearly linear relationship between the magnitudes. We interpret the data on the basis of an Anderson model including orbital and spin degrees of freedom [SU(4)] in good agreement with the experimental findings. The fact that the onset of the surface band is near the Fermi level is crucial to finding the observed linear behavior. In light of this model, the quantitative analysis of the experimental data evidences that at least a quarter of the coupling of Co impurities with extended states takes place through the hybridization to surface states. This result is of fundamental relevance in the understanding of Kondo screening of magnetic impurities on noble-metal surfaces, where bulk and surface electronic states coexist.
Fil: Moro Lagares, M.. Biology Centre of the Academy of Sciences of the Czech Republic; República Checa. Palacky University; República Checa. Universidad de Zaragoza. Instituto de Nanociencia de Aragón; España
Fil: Fernández, Joaquín. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Norte; Argentina. Comisión Nacional de Energía Atómica. Gerencia del Área de Energía Nuclear. Instituto Balseiro; Argentina
Fil: Roura Bas, Pablo Gines. Comisión Nacional de Energía Atómica. Gerencia del Área de Energía Nuclear. Instituto Balseiro; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Norte; Argentina
Fil: Ibarra, M.R.. Universidad de Zaragoza; España
Fil: Aligia, Armando Ángel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Norte; Argentina. Comisión Nacional de Energía Atómica. Gerencia del Área de Energía Nuclear. Instituto Balseiro; Argentina
Fil: Serrate, D.. Universidad de Zaragoza; España
Materia
KONDO EFFECT
SURFACE STATES
Nivel de accesibilidad
acceso abierto
Condiciones de uso
https://creativecommons.org/licenses/by/2.5/ar/
Repositorio
CONICET Digital (CONICET)
Institución
Consejo Nacional de Investigaciones Científicas y Técnicas
OAI Identificador
oai:ri.conicet.gov.ar:11336/112271
Acceder
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oai_identifier_str oai:ri.conicet.gov.ar:11336/112271
network_acronym_str CONICETDig
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network_name_str CONICET Digital (CONICET)
spelling Quantifying the leading role of the surface state in the Kondo effect of Co/Ag(111)Moro Lagares, M.Fernández, JoaquínRoura Bas, Pablo GinesIbarra, M.R.Aligia, Armando ÁngelSerrate, D.KONDO EFFECTSURFACE STATEShttps://purl.org/becyt/ford/1.3https://purl.org/becyt/ford/1Using a combination of scanning tunneling spectroscopy and atomic lateral manipulation, we obtained a systematic variation of the Kondo temperature TK of Co atoms on Ag(111) as a function of the surface-state contribution to the total density of states at the atom adsorption site ρs. By sampling the TK of a Co atom on positions where ρs was spatially resolved beforehand, we obtain a nearly linear relationship between the magnitudes. We interpret the data on the basis of an Anderson model including orbital and spin degrees of freedom [SU(4)] in good agreement with the experimental findings. The fact that the onset of the surface band is near the Fermi level is crucial to finding the observed linear behavior. In light of this model, the quantitative analysis of the experimental data evidences that at least a quarter of the coupling of Co impurities with extended states takes place through the hybridization to surface states. This result is of fundamental relevance in the understanding of Kondo screening of magnetic impurities on noble-metal surfaces, where bulk and surface electronic states coexist.Fil: Moro Lagares, M.. Biology Centre of the Academy of Sciences of the Czech Republic; República Checa. Palacky University; República Checa. Universidad de Zaragoza. Instituto de Nanociencia de Aragón; EspañaFil: Fernández, Joaquín. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Norte; Argentina. Comisión Nacional de Energía Atómica. Gerencia del Área de Energía Nuclear. Instituto Balseiro; ArgentinaFil: Roura Bas, Pablo Gines. Comisión Nacional de Energía Atómica. Gerencia del Área de Energía Nuclear. Instituto Balseiro; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Norte; ArgentinaFil: Ibarra, M.R.. Universidad de Zaragoza; EspañaFil: Aligia, Armando Ángel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Norte; Argentina. Comisión Nacional de Energía Atómica. Gerencia del Área de Energía Nuclear. Instituto Balseiro; ArgentinaFil: Serrate, D.. Universidad de Zaragoza; EspañaAmerican Physical Society2018-06-26info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/112271Moro Lagares, M.; Fernández, Joaquín; Roura Bas, Pablo Gines; Ibarra, M.R.; Aligia, Armando Ángel; et al.; Quantifying the leading role of the surface state in the Kondo effect of Co/Ag(111); American Physical Society; Physical Review B: Condensed Matter and Materials Physics; 97; 23; 26-6-2018; 1-92469-9969CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/https://journals.aps.org/prb/abstract/10.1103/PhysRevB.97.235442info:eu-repo/semantics/altIdentifier/doi/10.1103/PhysRevB.97.235442info:eu-repo/semantics/altIdentifier/url/https://arxiv.org/abs/1807.01790info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-29T09:38:31Zoai:ri.conicet.gov.ar:11336/112271instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-09-29 09:38:31.317CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Quantifying the leading role of the surface state in the Kondo effect of Co/Ag(111)
title Quantifying the leading role of the surface state in the Kondo effect of Co/Ag(111)
spellingShingle Quantifying the leading role of the surface state in the Kondo effect of Co/Ag(111)
Moro Lagares, M.
KONDO EFFECT
SURFACE STATES
title_short Quantifying the leading role of the surface state in the Kondo effect of Co/Ag(111)
title_full Quantifying the leading role of the surface state in the Kondo effect of Co/Ag(111)
title_fullStr Quantifying the leading role of the surface state in the Kondo effect of Co/Ag(111)
title_full_unstemmed Quantifying the leading role of the surface state in the Kondo effect of Co/Ag(111)
title_sort Quantifying the leading role of the surface state in the Kondo effect of Co/Ag(111)
dc.creator.none.fl_str_mv Moro Lagares, M.
Fernández, Joaquín
Roura Bas, Pablo Gines
Ibarra, M.R.
Aligia, Armando Ángel
Serrate, D.
author Moro Lagares, M.
author_facet Moro Lagares, M.
Fernández, Joaquín
Roura Bas, Pablo Gines
Ibarra, M.R.
Aligia, Armando Ángel
Serrate, D.
author_role author
author2 Fernández, Joaquín
Roura Bas, Pablo Gines
Ibarra, M.R.
Aligia, Armando Ángel
Serrate, D.
author2_role author
author
author
author
author
dc.subject.none.fl_str_mv KONDO EFFECT
SURFACE STATES
topic KONDO EFFECT
SURFACE STATES
purl_subject.fl_str_mv https://purl.org/becyt/ford/1.3
https://purl.org/becyt/ford/1
dc.description.none.fl_txt_mv Using a combination of scanning tunneling spectroscopy and atomic lateral manipulation, we obtained a systematic variation of the Kondo temperature TK of Co atoms on Ag(111) as a function of the surface-state contribution to the total density of states at the atom adsorption site ρs. By sampling the TK of a Co atom on positions where ρs was spatially resolved beforehand, we obtain a nearly linear relationship between the magnitudes. We interpret the data on the basis of an Anderson model including orbital and spin degrees of freedom [SU(4)] in good agreement with the experimental findings. The fact that the onset of the surface band is near the Fermi level is crucial to finding the observed linear behavior. In light of this model, the quantitative analysis of the experimental data evidences that at least a quarter of the coupling of Co impurities with extended states takes place through the hybridization to surface states. This result is of fundamental relevance in the understanding of Kondo screening of magnetic impurities on noble-metal surfaces, where bulk and surface electronic states coexist.
Fil: Moro Lagares, M.. Biology Centre of the Academy of Sciences of the Czech Republic; República Checa. Palacky University; República Checa. Universidad de Zaragoza. Instituto de Nanociencia de Aragón; España
Fil: Fernández, Joaquín. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Norte; Argentina. Comisión Nacional de Energía Atómica. Gerencia del Área de Energía Nuclear. Instituto Balseiro; Argentina
Fil: Roura Bas, Pablo Gines. Comisión Nacional de Energía Atómica. Gerencia del Área de Energía Nuclear. Instituto Balseiro; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Norte; Argentina
Fil: Ibarra, M.R.. Universidad de Zaragoza; España
Fil: Aligia, Armando Ángel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Norte; Argentina. Comisión Nacional de Energía Atómica. Gerencia del Área de Energía Nuclear. Instituto Balseiro; Argentina
Fil: Serrate, D.. Universidad de Zaragoza; España
description Using a combination of scanning tunneling spectroscopy and atomic lateral manipulation, we obtained a systematic variation of the Kondo temperature TK of Co atoms on Ag(111) as a function of the surface-state contribution to the total density of states at the atom adsorption site ρs. By sampling the TK of a Co atom on positions where ρs was spatially resolved beforehand, we obtain a nearly linear relationship between the magnitudes. We interpret the data on the basis of an Anderson model including orbital and spin degrees of freedom [SU(4)] in good agreement with the experimental findings. The fact that the onset of the surface band is near the Fermi level is crucial to finding the observed linear behavior. In light of this model, the quantitative analysis of the experimental data evidences that at least a quarter of the coupling of Co impurities with extended states takes place through the hybridization to surface states. This result is of fundamental relevance in the understanding of Kondo screening of magnetic impurities on noble-metal surfaces, where bulk and surface electronic states coexist.
publishDate 2018
dc.date.none.fl_str_mv 2018-06-26
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
http://purl.org/coar/resource_type/c_6501
info:ar-repo/semantics/articulo
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/11336/112271
Moro Lagares, M.; Fernández, Joaquín; Roura Bas, Pablo Gines; Ibarra, M.R.; Aligia, Armando Ángel; et al.; Quantifying the leading role of the surface state in the Kondo effect of Co/Ag(111); American Physical Society; Physical Review B: Condensed Matter and Materials Physics; 97; 23; 26-6-2018; 1-9
2469-9969
CONICET Digital
CONICET
url http://hdl.handle.net/11336/112271
identifier_str_mv Moro Lagares, M.; Fernández, Joaquín; Roura Bas, Pablo Gines; Ibarra, M.R.; Aligia, Armando Ángel; et al.; Quantifying the leading role of the surface state in the Kondo effect of Co/Ag(111); American Physical Society; Physical Review B: Condensed Matter and Materials Physics; 97; 23; 26-6-2018; 1-9
2469-9969
CONICET Digital
CONICET
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/url/https://journals.aps.org/prb/abstract/10.1103/PhysRevB.97.235442
info:eu-repo/semantics/altIdentifier/doi/10.1103/PhysRevB.97.235442
info:eu-repo/semantics/altIdentifier/url/https://arxiv.org/abs/1807.01790
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
https://creativecommons.org/licenses/by/2.5/ar/
eu_rights_str_mv openAccess
rights_invalid_str_mv https://creativecommons.org/licenses/by/2.5/ar/
dc.format.none.fl_str_mv application/pdf
application/pdf
application/pdf
application/pdf
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:CONICET Digital (CONICET)
instname:Consejo Nacional de Investigaciones Científicas y Técnicas
reponame_str CONICET Digital (CONICET)
collection CONICET Digital (CONICET)
instname_str Consejo Nacional de Investigaciones Científicas y Técnicas
repository.name.fl_str_mv CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas
repository.mail.fl_str_mv dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar
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score 13.070432

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