Metallic thin films on stepped surfaces: lateral scattering of quantum well states

Quantum well states of Ag films grown on stepped Au(111) surfaces are shown to undergo lateral scattering, in analogy with surface states of vicinal Ag(111). Applying angle resolved photoemission spectroscopy we observe quantum well bands with zone-folding and gap openings driven by surface/interfac...

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Autores: Schiller, Frederik, Abd El-Fattah, Z. M., Schirone, S., Lobo Checa, Jorge, Urdanpilleta Landaribar, Marta, Ruiz-Osés, M., Cordón Velaz, Javier, Corso, Martina, Sánchez-Portal, D., Mugarza, Aitor, Ortega Conejero, José Enrique
Tipo de recurso: artículo
Fecha de publicación:2014
País:España
Institución:Universidad del País Vasco
Repositorio:Addi. Archivo Digital para la Docencia y la Investigación
OAI Identifier:oai:addi.ehu.eus:10810/15768
Acceso en línea:http://hdl.handle.net/10810/15768
Access Level:acceso abierto
Palabra clave:metallic quantum well
vicinal surface
photoemission
thin metal film
scanning tunneling microscopy
PHYSICS AND ASTRONOMY
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spelling Metallic thin films on stepped surfaces: lateral scattering of quantum well statesSchiller, FrederikAbd El-Fattah, Z. M.Schirone, S.Lobo Checa, JorgeUrdanpilleta Landaribar, MartaRuiz-Osés, M.Cordón Velaz, JavierCorso, MartinaSánchez-Portal, D.Mugarza, AitorOrtega Conejero, José Enriquemetallic quantum wellvicinal surfacephotoemissionthin metal filmscanning tunneling microscopyPHYSICS AND ASTRONOMYQuantum well states of Ag films grown on stepped Au(111) surfaces are shown to undergo lateral scattering, in analogy with surface states of vicinal Ag(111). Applying angle resolved photoemission spectroscopy we observe quantum well bands with zone-folding and gap openings driven by surface/interface step lattice scattering. Experiments performed on a curved Au(111) substrate allow us to determine a subtle terrace-size effect, i.e., a fine step-density-dependent upward shift of quantum well bands. This energy shift is explained as mainly due to the periodically stepped crystal potential offset at the interface side of the film. Finally, the surface state of the stepped Ag film is analyzed with both photoemission and scanning tunneling microscopy. We observe that the stepped film interface also affects the surface state energy, which exhibits a larger terrace-size effect compared to surface states of bulk vicinal Ag(111) crystalsThis work was supported in part by the Spanish Ministry of Economy (MINECO) through grants MAT2013-46593-C6-2-P, MAT2013-46593-C6-4-P, MAT2013-46593-C6-5-P, and FIS2010-19609-C02-02, by the German Sonderforschungsbereich SFB 1083, and by the Basque Government through Projects IT-621-13 and IT-756-13. ICN2 acknowledges support from the Severo Orchoa Program (MINECO, Grant SEV-2013-0295).IOP Publishing201520152014info:eu-repo/semantics/articleapplication/pdfhttp://hdl.handle.net/10810/15768reponame:Addi. Archivo Digital para la Docencia y la Investigacióninstname:Universidad del País VascoInglésinfo:eu-repo/grantAgreement/MINECO/MAT2013-46593/info:eu-repo/grantAgreement/MINECO/FIS2010-19609-C02-02/http://iopscience.iop.org/article/10.1088/1367-2630/16/12/123025/meta#artAbstinfo:eu-repo/semantics/openAccess2014 IOP Publishing Ltd and Deutsche Physikalische Gesellschaftoai:addi.ehu.eus:10810/157682026-06-18T09:23:17Z
dc.title.none.fl_str_mv Metallic thin films on stepped surfaces: lateral scattering of quantum well states
title Metallic thin films on stepped surfaces: lateral scattering of quantum well states
spellingShingle Metallic thin films on stepped surfaces: lateral scattering of quantum well states
Schiller, Frederik
metallic quantum well
vicinal surface
photoemission
thin metal film
scanning tunneling microscopy
PHYSICS AND ASTRONOMY
title_short Metallic thin films on stepped surfaces: lateral scattering of quantum well states
title_full Metallic thin films on stepped surfaces: lateral scattering of quantum well states
title_fullStr Metallic thin films on stepped surfaces: lateral scattering of quantum well states
title_full_unstemmed Metallic thin films on stepped surfaces: lateral scattering of quantum well states
title_sort Metallic thin films on stepped surfaces: lateral scattering of quantum well states
dc.creator.none.fl_str_mv Schiller, Frederik
Abd El-Fattah, Z. M.
Schirone, S.
Lobo Checa, Jorge
Urdanpilleta Landaribar, Marta
Ruiz-Osés, M.
Cordón Velaz, Javier
Corso, Martina
Sánchez-Portal, D.
Mugarza, Aitor
Ortega Conejero, José Enrique
author Schiller, Frederik
author_facet Schiller, Frederik
Abd El-Fattah, Z. M.
Schirone, S.
Lobo Checa, Jorge
Urdanpilleta Landaribar, Marta
Ruiz-Osés, M.
Cordón Velaz, Javier
Corso, Martina
Sánchez-Portal, D.
Mugarza, Aitor
Ortega Conejero, José Enrique
author_role author
author2 Abd El-Fattah, Z. M.
Schirone, S.
Lobo Checa, Jorge
Urdanpilleta Landaribar, Marta
Ruiz-Osés, M.
Cordón Velaz, Javier
Corso, Martina
Sánchez-Portal, D.
Mugarza, Aitor
Ortega Conejero, José Enrique
author2_role author
author
author
author
author
author
author
author
author
author
dc.subject.none.fl_str_mv metallic quantum well
vicinal surface
photoemission
thin metal film
scanning tunneling microscopy
PHYSICS AND ASTRONOMY
topic metallic quantum well
vicinal surface
photoemission
thin metal film
scanning tunneling microscopy
PHYSICS AND ASTRONOMY
description Quantum well states of Ag films grown on stepped Au(111) surfaces are shown to undergo lateral scattering, in analogy with surface states of vicinal Ag(111). Applying angle resolved photoemission spectroscopy we observe quantum well bands with zone-folding and gap openings driven by surface/interface step lattice scattering. Experiments performed on a curved Au(111) substrate allow us to determine a subtle terrace-size effect, i.e., a fine step-density-dependent upward shift of quantum well bands. This energy shift is explained as mainly due to the periodically stepped crystal potential offset at the interface side of the film. Finally, the surface state of the stepped Ag film is analyzed with both photoemission and scanning tunneling microscopy. We observe that the stepped film interface also affects the surface state energy, which exhibits a larger terrace-size effect compared to surface states of bulk vicinal Ag(111) crystals
publishDate 2014
dc.date.none.fl_str_mv 2014
2015
2015
dc.type.none.fl_str_mv info:eu-repo/semantics/article
format article
dc.identifier.none.fl_str_mv http://hdl.handle.net/10810/15768
url http://hdl.handle.net/10810/15768
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.relation.none.fl_str_mv info:eu-repo/grantAgreement/MINECO/MAT2013-46593/
info:eu-repo/grantAgreement/MINECO/FIS2010-19609-C02-02/
http://iopscience.iop.org/article/10.1088/1367-2630/16/12/123025/meta#artAbst
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
2014 IOP Publishing Ltd and Deutsche Physikalische Gesellschaft
eu_rights_str_mv openAccess
rights_invalid_str_mv 2014 IOP Publishing Ltd and Deutsche Physikalische Gesellschaft
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv IOP Publishing
publisher.none.fl_str_mv IOP Publishing
dc.source.none.fl_str_mv reponame:Addi. Archivo Digital para la Docencia y la Investigación
instname:Universidad del País Vasco
instname_str Universidad del País Vasco
reponame_str Addi. Archivo Digital para la Docencia y la Investigación
collection Addi. Archivo Digital para la Docencia y la Investigación
repository.name.fl_str_mv
repository.mail.fl_str_mv
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score 15,301603

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