Effects of correlations and lattice gas restriction on the collective diffusion

Autores
Sanchez, J.R.; Aldao, Celso Manuel
Año de publicación
2001
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
The combined effects of correlations and lattice gas restriction on the collective diffusion behavior of one-dimensional concentration profiles are studied.  Correlations are introduced as a persistent or anti-persistent movement in the individual random walk performed by the diffusing particles.  The value of the diffusivity as a function of correlation is obtained for the continuous case through a new and simple analytical method.  For the single occupancy (lattice gas) case, the collective diffusion coefficient is calculated by using the Boltzmann-Matano method.  It is shown that the collective behavior of the system makes the concentration profiles not to scale, and the values of the diffusion coefficient become dependent on the type and amount of correlation and on the local concentration when the single occupancy restriction is present.
Fil: Sanchez, J.R.. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata. Instituto de Investigaciones en Ciencia y Tecnología de Materiales. Universidad Nacional de Mar del Plata. Facultad de Ingeniería. Instituto de Investigaciones en Ciencia y Tecnología de Materiales; Argentina
Fil: Aldao, Celso Manuel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata. Instituto de Investigaciones en Ciencia y Tecnología de Materiales. Universidad Nacional de Mar del Plata. Facultad de Ingeniería. Instituto de Investigaciones en Ciencia y Tecnología de Materiales; Argentina
Materia
Computer Simulations
Models of Surface Kinetics
Diffusion And Migration
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:11336/35602
Acceder
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network_acronym_str CONICETDig
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network_name_str CONICET Digital (CONICET)
spelling Effects of correlations and lattice gas restriction on the collective diffusionSanchez, J.R.Aldao, Celso ManuelComputer SimulationsModels of Surface KineticsDiffusion And Migrationhttps://purl.org/becyt/ford/1.3https://purl.org/becyt/ford/1https://purl.org/becyt/ford/2.11https://purl.org/becyt/ford/2The combined effects of correlations and lattice gas restriction on the collective diffusion behavior of one-dimensional concentration profiles are studied.  Correlations are introduced as a persistent or anti-persistent movement in the individual random walk performed by the diffusing particles.  The value of the diffusivity as a function of correlation is obtained for the continuous case through a new and simple analytical method.  For the single occupancy (lattice gas) case, the collective diffusion coefficient is calculated by using the Boltzmann-Matano method.  It is shown that the collective behavior of the system makes the concentration profiles not to scale, and the values of the diffusion coefficient become dependent on the type and amount of correlation and on the local concentration when the single occupancy restriction is present.Fil: Sanchez, J.R.. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata. Instituto de Investigaciones en Ciencia y Tecnología de Materiales. Universidad Nacional de Mar del Plata. Facultad de Ingeniería. Instituto de Investigaciones en Ciencia y Tecnología de Materiales; ArgentinaFil: Aldao, Celso Manuel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata. Instituto de Investigaciones en Ciencia y Tecnología de Materiales. Universidad Nacional de Mar del Plata. Facultad de Ingeniería. Instituto de Investigaciones en Ciencia y Tecnología de Materiales; ArgentinaElsevier Science2001-06-07info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/35602Sanchez, J.R.; Aldao, Celso Manuel; Effects of correlations and lattice gas restriction on the collective diffusion; Elsevier Science; Surface Science; 479; 1-3; 7-6-2001; 224-2300039-6028CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S0039602801009803info:eu-repo/semantics/altIdentifier/doi/10.1016/S0039-6028(01)00980-3info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-10-15T14:47:22Zoai:ri.conicet.gov.ar:11336/35602instacron: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 14:47:22.901CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Effects of correlations and lattice gas restriction on the collective diffusion
title Effects of correlations and lattice gas restriction on the collective diffusion
spellingShingle Effects of correlations and lattice gas restriction on the collective diffusion
Sanchez, J.R.
Computer Simulations
Models of Surface Kinetics
Diffusion And Migration
title_short Effects of correlations and lattice gas restriction on the collective diffusion
title_full Effects of correlations and lattice gas restriction on the collective diffusion
title_fullStr Effects of correlations and lattice gas restriction on the collective diffusion
title_full_unstemmed Effects of correlations and lattice gas restriction on the collective diffusion
title_sort Effects of correlations and lattice gas restriction on the collective diffusion
dc.creator.none.fl_str_mv Sanchez, J.R.
Aldao, Celso Manuel
author Sanchez, J.R.
author_facet Sanchez, J.R.
Aldao, Celso Manuel
author_role author
author2 Aldao, Celso Manuel
author2_role author
dc.subject.none.fl_str_mv Computer Simulations
Models of Surface Kinetics
Diffusion And Migration
topic Computer Simulations
Models of Surface Kinetics
Diffusion And Migration
purl_subject.fl_str_mv https://purl.org/becyt/ford/1.3
https://purl.org/becyt/ford/1
https://purl.org/becyt/ford/2.11
https://purl.org/becyt/ford/2
dc.description.none.fl_txt_mv The combined effects of correlations and lattice gas restriction on the collective diffusion behavior of one-dimensional concentration profiles are studied.  Correlations are introduced as a persistent or anti-persistent movement in the individual random walk performed by the diffusing particles.  The value of the diffusivity as a function of correlation is obtained for the continuous case through a new and simple analytical method.  For the single occupancy (lattice gas) case, the collective diffusion coefficient is calculated by using the Boltzmann-Matano method.  It is shown that the collective behavior of the system makes the concentration profiles not to scale, and the values of the diffusion coefficient become dependent on the type and amount of correlation and on the local concentration when the single occupancy restriction is present.
Fil: Sanchez, J.R.. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata. Instituto de Investigaciones en Ciencia y Tecnología de Materiales. Universidad Nacional de Mar del Plata. Facultad de Ingeniería. Instituto de Investigaciones en Ciencia y Tecnología de Materiales; Argentina
Fil: Aldao, Celso Manuel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata. Instituto de Investigaciones en Ciencia y Tecnología de Materiales. Universidad Nacional de Mar del Plata. Facultad de Ingeniería. Instituto de Investigaciones en Ciencia y Tecnología de Materiales; Argentina
description The combined effects of correlations and lattice gas restriction on the collective diffusion behavior of one-dimensional concentration profiles are studied.  Correlations are introduced as a persistent or anti-persistent movement in the individual random walk performed by the diffusing particles.  The value of the diffusivity as a function of correlation is obtained for the continuous case through a new and simple analytical method.  For the single occupancy (lattice gas) case, the collective diffusion coefficient is calculated by using the Boltzmann-Matano method.  It is shown that the collective behavior of the system makes the concentration profiles not to scale, and the values of the diffusion coefficient become dependent on the type and amount of correlation and on the local concentration when the single occupancy restriction is present.
publishDate 2001
dc.date.none.fl_str_mv 2001-06-07
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/11336/35602
Sanchez, J.R.; Aldao, Celso Manuel; Effects of correlations and lattice gas restriction on the collective diffusion; Elsevier Science; Surface Science; 479; 1-3; 7-6-2001; 224-230
0039-6028
CONICET Digital
CONICET
url http://hdl.handle.net/11336/35602
identifier_str_mv Sanchez, J.R.; Aldao, Celso Manuel; Effects of correlations and lattice gas restriction on the collective diffusion; Elsevier Science; Surface Science; 479; 1-3; 7-6-2001; 224-230
0039-6028
CONICET Digital
CONICET
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S0039602801009803
info:eu-repo/semantics/altIdentifier/doi/10.1016/S0039-6028(01)00980-3
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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