Blue luminescence at room temperature in defective MgO films

Luminescence spectroscopy has been used to characterize MgO films prepared by rf-sputtering. A clear correlation is found between the appearance of an emission peak centered at approximately 460 nm and the detection of ferromagnetic ordering in the samples. We suggest that cationic vacancies are res...

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Detalles Bibliográficos
Autores: Martínez Boubeta, José Carlos, Martinez, A., Hernández Márquez, Sergi, Pellegrino, Paolo, Antony, Aldrin, Bertomeu i Balagueró, Joan, Balcells i Argemí, Lluís, Konstantinović, Zorica, Martínez Perea, Benjamin
Tipo de recurso: artículo
Estado:Versión aceptada para publicación
Fecha de publicación:2011
País:España
Institución:Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya)
Repositorio:Recercat. Dipósit de la Recerca de Catalunya
OAI Identifier:oai:recercat.cat:2445/50468
Acceso en línea:https://hdl.handle.net/2445/50468
Access Level:acceso abierto
Palabra clave:Espintrònica
Semiconductors
Microelectrònica
Pel·lícules fines
Nanoestructures
Luminescència
Espectroscòpia de luminiscència
Òxid de magnesi
Ferromagnetisme
Spintronics
Microelectronics
Thin films
Nanostructures
Luminescence
Luminescence spectroscopy
Magnesium oxide
Ferromagnetism
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repository_id_str
spelling Blue luminescence at room temperature in defective MgO filmsMartínez Boubeta, José CarlosMartinez, A.Hernández Márquez, SergiPellegrino, PaoloAntony, AldrinBertomeu i Balagueró, JoanBalcells i Argemí, LluísKonstantinović, ZoricaMartínez Perea, BenjaminEspintrònicaSemiconductorsMicroelectrònicaPel·lícules finesNanoestructuresLuminescènciaEspectroscòpia de luminiscènciaÒxid de magnesiFerromagnetismeSpintronicsSemiconductorsMicroelectronicsThin filmsNanostructuresLuminescenceLuminescence spectroscopyMagnesium oxideFerromagnetismLuminescence spectroscopy has been used to characterize MgO films prepared by rf-sputtering. A clear correlation is found between the appearance of an emission peak centered at approximately 460 nm and the detection of ferromagnetic ordering in the samples. We suggest that cationic vacancies are responsible for the blue-light emission by introducing p states into the electronic band-gap. In accordance with this, our results strongly indicate that cationic vacancies are at the heart of the appearance of long-range magnetic ordering in MgO films.Elsevier Ltd2014201420112014info:eu-repo/semantics/articleinfo:eu-repo/semantics/acceptedVersion12 p.application/pdfhttps://hdl.handle.net/2445/50468Articles publicats en revistes (Física Aplicada)reponame:Recercat. Dipósit de la Recerca de Catalunyainstname:Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya)InglésVersió postprint del document publicat a: http://dx.doi.org/10.1016/j.ssc.2011.03.007Solid State Communications, 2011, vol. 151, num. 10, p. 751-753http://dx.doi.org/10.1016/j.ssc.2011.03.007(c) Elsevier Ltd, 2011info:eu-repo/semantics/openAccessoai:recercat.cat:2445/504682026-05-29T05:05:01Z
dc.title.none.fl_str_mv Blue luminescence at room temperature in defective MgO films
title Blue luminescence at room temperature in defective MgO films
spellingShingle Blue luminescence at room temperature in defective MgO films
Martínez Boubeta, José Carlos
Espintrònica
Semiconductors
Microelectrònica
Pel·lícules fines
Nanoestructures
Luminescència
Espectroscòpia de luminiscència
Òxid de magnesi
Ferromagnetisme
Spintronics
Semiconductors
Microelectronics
Thin films
Nanostructures
Luminescence
Luminescence spectroscopy
Magnesium oxide
Ferromagnetism
title_short Blue luminescence at room temperature in defective MgO films
title_full Blue luminescence at room temperature in defective MgO films
title_fullStr Blue luminescence at room temperature in defective MgO films
title_full_unstemmed Blue luminescence at room temperature in defective MgO films
title_sort Blue luminescence at room temperature in defective MgO films
dc.creator.none.fl_str_mv Martínez Boubeta, José Carlos
Martinez, A.
Hernández Márquez, Sergi
Pellegrino, Paolo
Antony, Aldrin
Bertomeu i Balagueró, Joan
Balcells i Argemí, Lluís
Konstantinović, Zorica
Martínez Perea, Benjamin
author Martínez Boubeta, José Carlos
author_facet Martínez Boubeta, José Carlos
Martinez, A.
Hernández Márquez, Sergi
Pellegrino, Paolo
Antony, Aldrin
Bertomeu i Balagueró, Joan
Balcells i Argemí, Lluís
Konstantinović, Zorica
Martínez Perea, Benjamin
author_role author
author2 Martinez, A.
Hernández Márquez, Sergi
Pellegrino, Paolo
Antony, Aldrin
Bertomeu i Balagueró, Joan
Balcells i Argemí, Lluís
Konstantinović, Zorica
Martínez Perea, Benjamin
author2_role author
author
author
author
author
author
author
author
dc.subject.none.fl_str_mv Espintrònica
Semiconductors
Microelectrònica
Pel·lícules fines
Nanoestructures
Luminescència
Espectroscòpia de luminiscència
Òxid de magnesi
Ferromagnetisme
Spintronics
Semiconductors
Microelectronics
Thin films
Nanostructures
Luminescence
Luminescence spectroscopy
Magnesium oxide
Ferromagnetism
topic Espintrònica
Semiconductors
Microelectrònica
Pel·lícules fines
Nanoestructures
Luminescència
Espectroscòpia de luminiscència
Òxid de magnesi
Ferromagnetisme
Spintronics
Semiconductors
Microelectronics
Thin films
Nanostructures
Luminescence
Luminescence spectroscopy
Magnesium oxide
Ferromagnetism
description Luminescence spectroscopy has been used to characterize MgO films prepared by rf-sputtering. A clear correlation is found between the appearance of an emission peak centered at approximately 460 nm and the detection of ferromagnetic ordering in the samples. We suggest that cationic vacancies are responsible for the blue-light emission by introducing p states into the electronic band-gap. In accordance with this, our results strongly indicate that cationic vacancies are at the heart of the appearance of long-range magnetic ordering in MgO films.
publishDate 2011
dc.date.none.fl_str_mv 2011
2014
2014
2014
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/acceptedVersion
format article
status_str acceptedVersion
dc.identifier.none.fl_str_mv https://hdl.handle.net/2445/50468
url https://hdl.handle.net/2445/50468
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.relation.none.fl_str_mv Versió postprint del document publicat a: http://dx.doi.org/10.1016/j.ssc.2011.03.007
Solid State Communications, 2011, vol. 151, num. 10, p. 751-753
http://dx.doi.org/10.1016/j.ssc.2011.03.007
dc.rights.none.fl_str_mv (c) Elsevier Ltd, 2011
info:eu-repo/semantics/openAccess
rights_invalid_str_mv (c) Elsevier Ltd, 2011
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv 12 p.
application/pdf
dc.publisher.none.fl_str_mv Elsevier Ltd
publisher.none.fl_str_mv Elsevier Ltd
dc.source.none.fl_str_mv Articles publicats en revistes (Física Aplicada)
reponame:Recercat. Dipósit de la Recerca de Catalunya
instname:Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya)
instname_str Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya)
reponame_str Recercat. Dipósit de la Recerca de Catalunya
collection Recercat. Dipósit de la Recerca de Catalunya
repository.name.fl_str_mv
repository.mail.fl_str_mv
_version_ 1869418968646680576
score 15.812429

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