C60/NiFe combination as a promising platform for molecular spintronics

Autores
Gobbi, M.; Pascual, A.; Golmar, Federico; Llopis, R.; Vavassori, P.; Casanova, F.; Hueso, L. E.
Año de publicación
2012
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
Spintronics based on ferromagnetic metals and organic semiconductors has attracted great interest in recent years. Molecular-based spintronic devices, such as magnetic tunnel junctions, have been demonstrated with performances competing with those of conventional inorganic devices. Still, there is huge margin for improvement, as many details about the injection of spin-polarized electrons into the molecular layer remain not completely understood. In order to achieve better understanding and control of the physical mechanisms, it is necessary to explore various combinations of ferromagnetic metals and organic semiconductors. In this letter, we study the properties of the combination between the ferromagnetic metal NiFe (commonly known as Permalloy or Py) and the molecular system C60. We produced C60/Py bilayers and characterized them structurally, electrically and magnetically. The C 60 films grow smoothly on both Py and SiO2 substrates, and we estimate that a 5-nm-thick C60 film covers completely the surface underneath without leaving pinholes and can be therefore used in a vertical device, as confirmed by electrical characterization. Furthermore, the C 60 film is robust against the deposition of the top metal electrode, being the intermixing layer of only 1-2 nm at the C60/Py interface. Finally, we show that the magnetic properties of Py are not affected by the deposition sequence, and that a 5-nm-thick Py layer on top of a C60 layer keeps its magnetic properties intact. These results show that the combination between Py and C60 provides a robust template platform for the development of molecular spintronics, and can be used later on for more sophisticated investigations, such as the role of the interfaces in the spin injection.
Fil: Gobbi, M.. No especifíca;
Fil: Pascual, A.. No especifíca;
Fil: Golmar, Federico. Instituto Nacional de Tecnología Industrial; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
Fil: Llopis, R.. No especifíca;
Fil: Vavassori, P.. No especifíca;
Fil: Casanova, F.. No especifíca;
Fil: Hueso, L. E.. No especifíca;
Materia
ATOMIC FORCE MICROSCOPY
FULLERENE
MAGNETISM
ORGANIC ELECTRONICS
SPIN VALVES
SPINTRONICS
Nivel de accesibilidad
acceso abierto
Condiciones de uso
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
Repositorio
CONICET Digital (CONICET)
Institución
Consejo Nacional de Investigaciones Científicas y Técnicas
OAI Identificador
oai:ri.conicet.gov.ar:11336/194730

id CONICETDig_cf124a0afcbbce02ebcb1ad8583349a8
oai_identifier_str oai:ri.conicet.gov.ar:11336/194730
network_acronym_str CONICETDig
repository_id_str 3498
network_name_str CONICET Digital (CONICET)
spelling C60/NiFe combination as a promising platform for molecular spintronicsGobbi, M.Pascual, A.Golmar, FedericoLlopis, R.Vavassori, P.Casanova, F.Hueso, L. E.ATOMIC FORCE MICROSCOPYFULLERENEMAGNETISMORGANIC ELECTRONICSSPIN VALVESSPINTRONICShttps://purl.org/becyt/ford/1.3https://purl.org/becyt/ford/1Spintronics based on ferromagnetic metals and organic semiconductors has attracted great interest in recent years. Molecular-based spintronic devices, such as magnetic tunnel junctions, have been demonstrated with performances competing with those of conventional inorganic devices. Still, there is huge margin for improvement, as many details about the injection of spin-polarized electrons into the molecular layer remain not completely understood. In order to achieve better understanding and control of the physical mechanisms, it is necessary to explore various combinations of ferromagnetic metals and organic semiconductors. In this letter, we study the properties of the combination between the ferromagnetic metal NiFe (commonly known as Permalloy or Py) and the molecular system C60. We produced C60/Py bilayers and characterized them structurally, electrically and magnetically. The C 60 films grow smoothly on both Py and SiO2 substrates, and we estimate that a 5-nm-thick C60 film covers completely the surface underneath without leaving pinholes and can be therefore used in a vertical device, as confirmed by electrical characterization. Furthermore, the C 60 film is robust against the deposition of the top metal electrode, being the intermixing layer of only 1-2 nm at the C60/Py interface. Finally, we show that the magnetic properties of Py are not affected by the deposition sequence, and that a 5-nm-thick Py layer on top of a C60 layer keeps its magnetic properties intact. These results show that the combination between Py and C60 provides a robust template platform for the development of molecular spintronics, and can be used later on for more sophisticated investigations, such as the role of the interfaces in the spin injection.Fil: Gobbi, M.. No especifíca;Fil: Pascual, A.. No especifíca;Fil: Golmar, Federico. Instituto Nacional de Tecnología Industrial; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; ArgentinaFil: Llopis, R.. No especifíca;Fil: Vavassori, P.. No especifíca;Fil: Casanova, F.. No especifíca;Fil: Hueso, L. E.. No especifíca;Elsevier Science2012-03info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/194730Gobbi, M.; Pascual, A.; Golmar, Federico; Llopis, R.; Vavassori, P.; et al.; C60/NiFe combination as a promising platform for molecular spintronics; Elsevier Science; Organic Electronics; 13; 3; 3-2012; 366-3721566-1199CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/doi/10.1016/j.orgel.2011.12.002info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-29T09:32:59Zoai:ri.conicet.gov.ar:11336/194730instacron: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 09:32:59.703CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv C60/NiFe combination as a promising platform for molecular spintronics
title C60/NiFe combination as a promising platform for molecular spintronics
spellingShingle C60/NiFe combination as a promising platform for molecular spintronics
Gobbi, M.
ATOMIC FORCE MICROSCOPY
FULLERENE
MAGNETISM
ORGANIC ELECTRONICS
SPIN VALVES
SPINTRONICS
title_short C60/NiFe combination as a promising platform for molecular spintronics
title_full C60/NiFe combination as a promising platform for molecular spintronics
title_fullStr C60/NiFe combination as a promising platform for molecular spintronics
title_full_unstemmed C60/NiFe combination as a promising platform for molecular spintronics
title_sort C60/NiFe combination as a promising platform for molecular spintronics
dc.creator.none.fl_str_mv Gobbi, M.
Pascual, A.
Golmar, Federico
Llopis, R.
Vavassori, P.
Casanova, F.
Hueso, L. E.
author Gobbi, M.
author_facet Gobbi, M.
Pascual, A.
Golmar, Federico
Llopis, R.
Vavassori, P.
Casanova, F.
Hueso, L. E.
author_role author
author2 Pascual, A.
Golmar, Federico
Llopis, R.
Vavassori, P.
Casanova, F.
Hueso, L. E.
author2_role author
author
author
author
author
author
dc.subject.none.fl_str_mv ATOMIC FORCE MICROSCOPY
FULLERENE
MAGNETISM
ORGANIC ELECTRONICS
SPIN VALVES
SPINTRONICS
topic ATOMIC FORCE MICROSCOPY
FULLERENE
MAGNETISM
ORGANIC ELECTRONICS
SPIN VALVES
SPINTRONICS
purl_subject.fl_str_mv https://purl.org/becyt/ford/1.3
https://purl.org/becyt/ford/1
dc.description.none.fl_txt_mv Spintronics based on ferromagnetic metals and organic semiconductors has attracted great interest in recent years. Molecular-based spintronic devices, such as magnetic tunnel junctions, have been demonstrated with performances competing with those of conventional inorganic devices. Still, there is huge margin for improvement, as many details about the injection of spin-polarized electrons into the molecular layer remain not completely understood. In order to achieve better understanding and control of the physical mechanisms, it is necessary to explore various combinations of ferromagnetic metals and organic semiconductors. In this letter, we study the properties of the combination between the ferromagnetic metal NiFe (commonly known as Permalloy or Py) and the molecular system C60. We produced C60/Py bilayers and characterized them structurally, electrically and magnetically. The C 60 films grow smoothly on both Py and SiO2 substrates, and we estimate that a 5-nm-thick C60 film covers completely the surface underneath without leaving pinholes and can be therefore used in a vertical device, as confirmed by electrical characterization. Furthermore, the C 60 film is robust against the deposition of the top metal electrode, being the intermixing layer of only 1-2 nm at the C60/Py interface. Finally, we show that the magnetic properties of Py are not affected by the deposition sequence, and that a 5-nm-thick Py layer on top of a C60 layer keeps its magnetic properties intact. These results show that the combination between Py and C60 provides a robust template platform for the development of molecular spintronics, and can be used later on for more sophisticated investigations, such as the role of the interfaces in the spin injection.
Fil: Gobbi, M.. No especifíca;
Fil: Pascual, A.. No especifíca;
Fil: Golmar, Federico. Instituto Nacional de Tecnología Industrial; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
Fil: Llopis, R.. No especifíca;
Fil: Vavassori, P.. No especifíca;
Fil: Casanova, F.. No especifíca;
Fil: Hueso, L. E.. No especifíca;
description Spintronics based on ferromagnetic metals and organic semiconductors has attracted great interest in recent years. Molecular-based spintronic devices, such as magnetic tunnel junctions, have been demonstrated with performances competing with those of conventional inorganic devices. Still, there is huge margin for improvement, as many details about the injection of spin-polarized electrons into the molecular layer remain not completely understood. In order to achieve better understanding and control of the physical mechanisms, it is necessary to explore various combinations of ferromagnetic metals and organic semiconductors. In this letter, we study the properties of the combination between the ferromagnetic metal NiFe (commonly known as Permalloy or Py) and the molecular system C60. We produced C60/Py bilayers and characterized them structurally, electrically and magnetically. The C 60 films grow smoothly on both Py and SiO2 substrates, and we estimate that a 5-nm-thick C60 film covers completely the surface underneath without leaving pinholes and can be therefore used in a vertical device, as confirmed by electrical characterization. Furthermore, the C 60 film is robust against the deposition of the top metal electrode, being the intermixing layer of only 1-2 nm at the C60/Py interface. Finally, we show that the magnetic properties of Py are not affected by the deposition sequence, and that a 5-nm-thick Py layer on top of a C60 layer keeps its magnetic properties intact. These results show that the combination between Py and C60 provides a robust template platform for the development of molecular spintronics, and can be used later on for more sophisticated investigations, such as the role of the interfaces in the spin injection.
publishDate 2012
dc.date.none.fl_str_mv 2012-03
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/11336/194730
Gobbi, M.; Pascual, A.; Golmar, Federico; Llopis, R.; Vavassori, P.; et al.; C60/NiFe combination as a promising platform for molecular spintronics; Elsevier Science; Organic Electronics; 13; 3; 3-2012; 366-372
1566-1199
CONICET Digital
CONICET
url http://hdl.handle.net/11336/194730
identifier_str_mv Gobbi, M.; Pascual, A.; Golmar, Federico; Llopis, R.; Vavassori, P.; et al.; C60/NiFe combination as a promising platform for molecular spintronics; Elsevier Science; Organic Electronics; 13; 3; 3-2012; 366-372
1566-1199
CONICET Digital
CONICET
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/doi/10.1016/j.orgel.2011.12.002
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
eu_rights_str_mv openAccess
rights_invalid_str_mv https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.format.none.fl_str_mv application/pdf
application/pdf
dc.publisher.none.fl_str_mv Elsevier Science
publisher.none.fl_str_mv Elsevier Science
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
_version_ 1844613009486381056
score 13.070432