Arsenic-bridged magnetic interactions in an emerging two-dimensional FeAs nanostructure on MnAs

Autores
Helman, Christian; Ferrari, Valeria Paola; Llois, Ana Maria
Año de publicación
2015
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
The extreme case of an Fe monolayer deposited onto a manganese arsenide (MnAs) substrate is analyzed using density functional theory. We find that an FeAs quasi-two-dimensional antiferromagnetic surface nanostructure emerges. This nanostructure, which is magnetically nearly decoupled from the substrate, is due to bonding effects arising from the arsenic atoms bridging the Fe magnetic interactions. These interactions are studied and modeled using a Heisenberg-type Hamiltonian. They display an angular dependence which is characteristic of superexchange-like interactions, which are of the same order of magnitude as those appearing in Fe-based pnictides.
Fil: Helman, Christian. Comisión Nacional de Energía Atómica. Centro Atómico Constituyentes; Argentina. Universidad Nacional de San Martín. Instituto Sabato; Argentina
Fil: Ferrari, Valeria Paola. Comisión Nacional de Energía Atómica. Centro Atómico Constituyentes; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
Fil: Llois, Ana Maria. Comisión Nacional de Energía Atómica. Centro Atómico Constituyentes; Argentina. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Física; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
Materia
Magnetic Nanostructures
FeAs emergent monolayer
Superexchange-like interactions
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:11336/41740
Acceder
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network_name_str CONICET Digital (CONICET)
spelling Arsenic-bridged magnetic interactions in an emerging two-dimensional FeAs nanostructure on MnAsHelman, ChristianFerrari, Valeria PaolaLlois, Ana MariaMagnetic NanostructuresFeAs emergent monolayerSuperexchange-like interactionshttps://purl.org/becyt/ford/1.3https://purl.org/becyt/ford/1The extreme case of an Fe monolayer deposited onto a manganese arsenide (MnAs) substrate is analyzed using density functional theory. We find that an FeAs quasi-two-dimensional antiferromagnetic surface nanostructure emerges. This nanostructure, which is magnetically nearly decoupled from the substrate, is due to bonding effects arising from the arsenic atoms bridging the Fe magnetic interactions. These interactions are studied and modeled using a Heisenberg-type Hamiltonian. They display an angular dependence which is characteristic of superexchange-like interactions, which are of the same order of magnitude as those appearing in Fe-based pnictides.Fil: Helman, Christian. Comisión Nacional de Energía Atómica. Centro Atómico Constituyentes; Argentina. Universidad Nacional de San Martín. Instituto Sabato; ArgentinaFil: Ferrari, Valeria Paola. Comisión Nacional de Energía Atómica. Centro Atómico Constituyentes; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; ArgentinaFil: Llois, Ana Maria. Comisión Nacional de Energía Atómica. Centro Atómico Constituyentes; Argentina. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Física; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; ArgentinaAmerican Physical Society2015-08info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/41740Helman, Christian; Ferrari, Valeria Paola; Llois, Ana Maria; Arsenic-bridged magnetic interactions in an emerging two-dimensional FeAs nanostructure on MnAs; American Physical Society; Physical Review B: Condensed Matter and Materials Physics; 92; 7; 8-2015; 1-6; 0754161098-0121CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/doi/10.1103/PhysRevB.92.075416info:eu-repo/semantics/altIdentifier/url/https://journals.aps.org/prb/abstract/10.1103/PhysRevB.92.075416info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-10T13:14:45Zoai:ri.conicet.gov.ar:11336/41740instacron: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:34982025-09-10 13:14:45.74CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Arsenic-bridged magnetic interactions in an emerging two-dimensional FeAs nanostructure on MnAs
title Arsenic-bridged magnetic interactions in an emerging two-dimensional FeAs nanostructure on MnAs
spellingShingle Arsenic-bridged magnetic interactions in an emerging two-dimensional FeAs nanostructure on MnAs
Helman, Christian
Magnetic Nanostructures
FeAs emergent monolayer
Superexchange-like interactions
title_short Arsenic-bridged magnetic interactions in an emerging two-dimensional FeAs nanostructure on MnAs
title_full Arsenic-bridged magnetic interactions in an emerging two-dimensional FeAs nanostructure on MnAs
title_fullStr Arsenic-bridged magnetic interactions in an emerging two-dimensional FeAs nanostructure on MnAs
title_full_unstemmed Arsenic-bridged magnetic interactions in an emerging two-dimensional FeAs nanostructure on MnAs
title_sort Arsenic-bridged magnetic interactions in an emerging two-dimensional FeAs nanostructure on MnAs
dc.creator.none.fl_str_mv Helman, Christian
Ferrari, Valeria Paola
Llois, Ana Maria
author Helman, Christian
author_facet Helman, Christian
Ferrari, Valeria Paola
Llois, Ana Maria
author_role author
author2 Ferrari, Valeria Paola
Llois, Ana Maria
author2_role author
author
dc.subject.none.fl_str_mv Magnetic Nanostructures
FeAs emergent monolayer
Superexchange-like interactions
topic Magnetic Nanostructures
FeAs emergent monolayer
Superexchange-like interactions
purl_subject.fl_str_mv https://purl.org/becyt/ford/1.3
https://purl.org/becyt/ford/1
dc.description.none.fl_txt_mv The extreme case of an Fe monolayer deposited onto a manganese arsenide (MnAs) substrate is analyzed using density functional theory. We find that an FeAs quasi-two-dimensional antiferromagnetic surface nanostructure emerges. This nanostructure, which is magnetically nearly decoupled from the substrate, is due to bonding effects arising from the arsenic atoms bridging the Fe magnetic interactions. These interactions are studied and modeled using a Heisenberg-type Hamiltonian. They display an angular dependence which is characteristic of superexchange-like interactions, which are of the same order of magnitude as those appearing in Fe-based pnictides.
Fil: Helman, Christian. Comisión Nacional de Energía Atómica. Centro Atómico Constituyentes; Argentina. Universidad Nacional de San Martín. Instituto Sabato; Argentina
Fil: Ferrari, Valeria Paola. Comisión Nacional de Energía Atómica. Centro Atómico Constituyentes; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
Fil: Llois, Ana Maria. Comisión Nacional de Energía Atómica. Centro Atómico Constituyentes; Argentina. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Física; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
description The extreme case of an Fe monolayer deposited onto a manganese arsenide (MnAs) substrate is analyzed using density functional theory. We find that an FeAs quasi-two-dimensional antiferromagnetic surface nanostructure emerges. This nanostructure, which is magnetically nearly decoupled from the substrate, is due to bonding effects arising from the arsenic atoms bridging the Fe magnetic interactions. These interactions are studied and modeled using a Heisenberg-type Hamiltonian. They display an angular dependence which is characteristic of superexchange-like interactions, which are of the same order of magnitude as those appearing in Fe-based pnictides.
publishDate 2015
dc.date.none.fl_str_mv 2015-08
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/11336/41740
Helman, Christian; Ferrari, Valeria Paola; Llois, Ana Maria; Arsenic-bridged magnetic interactions in an emerging two-dimensional FeAs nanostructure on MnAs; American Physical Society; Physical Review B: Condensed Matter and Materials Physics; 92; 7; 8-2015; 1-6; 075416
1098-0121
CONICET Digital
CONICET
url http://hdl.handle.net/11336/41740
identifier_str_mv Helman, Christian; Ferrari, Valeria Paola; Llois, Ana Maria; Arsenic-bridged magnetic interactions in an emerging two-dimensional FeAs nanostructure on MnAs; American Physical Society; Physical Review B: Condensed Matter and Materials Physics; 92; 7; 8-2015; 1-6; 075416
1098-0121
CONICET Digital
CONICET
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/doi/10.1103/PhysRevB.92.075416
info:eu-repo/semantics/altIdentifier/url/https://journals.aps.org/prb/abstract/10.1103/PhysRevB.92.075416
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
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 12.993085

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