Structure of chalcogenide glasses by neutron diffraction

Autores
Cuello, Gabriel Julio; Piarristeguy, A. A.; Fernández Martínez, A.; Fontana, Marcelo; Pradel, A.
Año de publicación
2007
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
The purpose of this work is to study the change in the structure of the Ge–Se network upon doping with Ag. We report here a neutron diffraction study on two glasses of the system Agx(Ge0.25Se0.75)100−x with different silver contents (x = 15 and 25 at.%) and for two different temperatures (10 and 300 K). The total structure factor S(Q) for the two samples has been measured by neutron diffraction using the two-axis diffractometer dedicated to structural studies of amorphous materials, D4, at the Institut Laue Langevin. We have derived the corresponding radial distribution functions for each sample and each temperature, which gives us an insight about the composition and temperature dependence of the correlation distances and coordination numbers in the short-range. Our results are compatible with the presence of both GeSe4/2 tetrahedra and Se–Se bonds. The Ag atoms are linked to Se in a triangular environment. Numerical simulations allowing the identification of the main peaks in the total pair correlation functions have complemented the neutron diffraction measurements.
Fil: Cuello, Gabriel Julio. Institut Laue Langevin; Francia
Fil: Piarristeguy, A. A.. Universite Montpellier II; Francia
Fil: Fernández Martínez, A.. Institut Laue Langevin; Francia
Fil: Fontana, Marcelo. Universidad de Buenos Aires. Facultad de Ingenieria. Departamento de Fisica. Laboratorio de Sólidos Amorfos; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
Fil: Pradel, A.. Universite Montpellier II; Francia
Materia
Neutron Diffraction/Scattering
Fast Ionic Conduction
Modelling And Simulation
Short-Range Order
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:11336/20000
Acceder
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oai_identifier_str oai:ri.conicet.gov.ar:11336/20000
network_acronym_str CONICETDig
repository_id_str 3498
network_name_str CONICET Digital (CONICET)
spelling Structure of chalcogenide glasses by neutron diffractionCuello, Gabriel JulioPiarristeguy, A. A.Fernández Martínez, A.Fontana, MarceloPradel, A.Neutron Diffraction/ScatteringFast Ionic ConductionModelling And SimulationShort-Range Orderhttps://purl.org/becyt/ford/2.5https://purl.org/becyt/ford/2The purpose of this work is to study the change in the structure of the Ge–Se network upon doping with Ag. We report here a neutron diffraction study on two glasses of the system Agx(Ge0.25Se0.75)100−x with different silver contents (x = 15 and 25 at.%) and for two different temperatures (10 and 300 K). The total structure factor S(Q) for the two samples has been measured by neutron diffraction using the two-axis diffractometer dedicated to structural studies of amorphous materials, D4, at the Institut Laue Langevin. We have derived the corresponding radial distribution functions for each sample and each temperature, which gives us an insight about the composition and temperature dependence of the correlation distances and coordination numbers in the short-range. Our results are compatible with the presence of both GeSe4/2 tetrahedra and Se–Se bonds. The Ag atoms are linked to Se in a triangular environment. Numerical simulations allowing the identification of the main peaks in the total pair correlation functions have complemented the neutron diffraction measurements.Fil: Cuello, Gabriel Julio. Institut Laue Langevin; FranciaFil: Piarristeguy, A. A.. Universite Montpellier II; FranciaFil: Fernández Martínez, A.. Institut Laue Langevin; FranciaFil: Fontana, Marcelo. Universidad de Buenos Aires. Facultad de Ingenieria. Departamento de Fisica. Laboratorio de Sólidos Amorfos; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; ArgentinaFil: Pradel, A.. Universite Montpellier II; FranciaElsevier Science2007-04info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/20000Cuello, Gabriel Julio; Piarristeguy, A. A.; Fernández Martínez, A.; Fontana, Marcelo; Pradel, A.; Structure of chalcogenide glasses by neutron diffraction; Elsevier Science; Journal of Non-crystalline Solids; 353; 8-10; 4-2007; 729-7320022-3093CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/http://www.sciencedirect.com/science/article/pii/S0022309307000051info:eu-repo/semantics/altIdentifier/doi/10.1016/j.jnoncrysol.2006.12.036info:eu-repo/semantics/altIdentifier/url/https://arxiv.org/abs/0801.0868info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-10-15T14:45:11Zoai:ri.conicet.gov.ar:11336/20000instacron: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:34982025-10-15 14:45:11.5CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Structure of chalcogenide glasses by neutron diffraction
title Structure of chalcogenide glasses by neutron diffraction
spellingShingle Structure of chalcogenide glasses by neutron diffraction
Cuello, Gabriel Julio
Neutron Diffraction/Scattering
Fast Ionic Conduction
Modelling And Simulation
Short-Range Order
title_short Structure of chalcogenide glasses by neutron diffraction
title_full Structure of chalcogenide glasses by neutron diffraction
title_fullStr Structure of chalcogenide glasses by neutron diffraction
title_full_unstemmed Structure of chalcogenide glasses by neutron diffraction
title_sort Structure of chalcogenide glasses by neutron diffraction
dc.creator.none.fl_str_mv Cuello, Gabriel Julio
Piarristeguy, A. A.
Fernández Martínez, A.
Fontana, Marcelo
Pradel, A.
author Cuello, Gabriel Julio
author_facet Cuello, Gabriel Julio
Piarristeguy, A. A.
Fernández Martínez, A.
Fontana, Marcelo
Pradel, A.
author_role author
author2 Piarristeguy, A. A.
Fernández Martínez, A.
Fontana, Marcelo
Pradel, A.
author2_role author
author
author
author
dc.subject.none.fl_str_mv Neutron Diffraction/Scattering
Fast Ionic Conduction
Modelling And Simulation
Short-Range Order
topic Neutron Diffraction/Scattering
Fast Ionic Conduction
Modelling And Simulation
Short-Range Order
purl_subject.fl_str_mv https://purl.org/becyt/ford/2.5
https://purl.org/becyt/ford/2
dc.description.none.fl_txt_mv The purpose of this work is to study the change in the structure of the Ge–Se network upon doping with Ag. We report here a neutron diffraction study on two glasses of the system Agx(Ge0.25Se0.75)100−x with different silver contents (x = 15 and 25 at.%) and for two different temperatures (10 and 300 K). The total structure factor S(Q) for the two samples has been measured by neutron diffraction using the two-axis diffractometer dedicated to structural studies of amorphous materials, D4, at the Institut Laue Langevin. We have derived the corresponding radial distribution functions for each sample and each temperature, which gives us an insight about the composition and temperature dependence of the correlation distances and coordination numbers in the short-range. Our results are compatible with the presence of both GeSe4/2 tetrahedra and Se–Se bonds. The Ag atoms are linked to Se in a triangular environment. Numerical simulations allowing the identification of the main peaks in the total pair correlation functions have complemented the neutron diffraction measurements.
Fil: Cuello, Gabriel Julio. Institut Laue Langevin; Francia
Fil: Piarristeguy, A. A.. Universite Montpellier II; Francia
Fil: Fernández Martínez, A.. Institut Laue Langevin; Francia
Fil: Fontana, Marcelo. Universidad de Buenos Aires. Facultad de Ingenieria. Departamento de Fisica. Laboratorio de Sólidos Amorfos; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
Fil: Pradel, A.. Universite Montpellier II; Francia
description The purpose of this work is to study the change in the structure of the Ge–Se network upon doping with Ag. We report here a neutron diffraction study on two glasses of the system Agx(Ge0.25Se0.75)100−x with different silver contents (x = 15 and 25 at.%) and for two different temperatures (10 and 300 K). The total structure factor S(Q) for the two samples has been measured by neutron diffraction using the two-axis diffractometer dedicated to structural studies of amorphous materials, D4, at the Institut Laue Langevin. We have derived the corresponding radial distribution functions for each sample and each temperature, which gives us an insight about the composition and temperature dependence of the correlation distances and coordination numbers in the short-range. Our results are compatible with the presence of both GeSe4/2 tetrahedra and Se–Se bonds. The Ag atoms are linked to Se in a triangular environment. Numerical simulations allowing the identification of the main peaks in the total pair correlation functions have complemented the neutron diffraction measurements.
publishDate 2007
dc.date.none.fl_str_mv 2007-04
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/11336/20000
Cuello, Gabriel Julio; Piarristeguy, A. A.; Fernández Martínez, A.; Fontana, Marcelo; Pradel, A.; Structure of chalcogenide glasses by neutron diffraction; Elsevier Science; Journal of Non-crystalline Solids; 353; 8-10; 4-2007; 729-732
0022-3093
CONICET Digital
CONICET
url http://hdl.handle.net/11336/20000
identifier_str_mv Cuello, Gabriel Julio; Piarristeguy, A. A.; Fernández Martínez, A.; Fontana, Marcelo; Pradel, A.; Structure of chalcogenide glasses by neutron diffraction; Elsevier Science; Journal of Non-crystalline Solids; 353; 8-10; 4-2007; 729-732
0022-3093
CONICET Digital
CONICET
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/url/http://www.sciencedirect.com/science/article/pii/S0022309307000051
info:eu-repo/semantics/altIdentifier/doi/10.1016/j.jnoncrysol.2006.12.036
info:eu-repo/semantics/altIdentifier/url/https://arxiv.org/abs/0801.0868
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
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score 13.22299

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