Effects of previous treatments on the electrical response of SnO2-thick films exposed to a CO atmosphere

Autores
Ponce, Miguel Adolfo; Aldao, Celso Manuel; Castro, Miriam Susana
Año de publicación
2005
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
The influence of CO on the electrical conductivity on SnO2 thick films is studied. Possible sensing mechanisms are discerned by measuring the conductivity as a function of temperature during heating and cooling, and the transient responses to step changes in CO pressure at constant temperature. Studies of samples with prior treatments confirm the proposed mechanisms responsible for the observed film responses. The film conductivity is affected by CO adsorption and by reaction with previously adsorbed oxygen. Also, the oxygen vacancy concentration in the grains can be altered and, as a consequence, the sample resistivity.
Fil: Ponce, Miguel Adolfo. 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
Fil: Castro, Miriam Susana. 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
Tin oxide
Electrical properties
Sensors
SnO2
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:11336/94324
Acceder
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oai_identifier_str oai:ri.conicet.gov.ar:11336/94324
network_acronym_str CONICETDig
repository_id_str 3498
network_name_str CONICET Digital (CONICET)
spelling Effects of previous treatments on the electrical response of SnO2-thick films exposed to a CO atmospherePonce, Miguel AdolfoAldao, Celso ManuelCastro, Miriam SusanaTin oxideElectrical propertiesSensorsSnO2https://purl.org/becyt/ford/2.11https://purl.org/becyt/ford/2https://purl.org/becyt/ford/1.3https://purl.org/becyt/ford/1https://purl.org/becyt/ford/2.5https://purl.org/becyt/ford/2The influence of CO on the electrical conductivity on SnO2 thick films is studied. Possible sensing mechanisms are discerned by measuring the conductivity as a function of temperature during heating and cooling, and the transient responses to step changes in CO pressure at constant temperature. Studies of samples with prior treatments confirm the proposed mechanisms responsible for the observed film responses. The film conductivity is affected by CO adsorption and by reaction with previously adsorbed oxygen. Also, the oxygen vacancy concentration in the grains can be altered and, as a consequence, the sample resistivity.Fil: Ponce, Miguel Adolfo. 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; ArgentinaFil: Castro, Miriam Susana. 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 Science2005-11-20info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/94324Ponce, Miguel Adolfo; Aldao, Celso Manuel; Castro, Miriam Susana; Effects of previous treatments on the electrical response of SnO2-thick films exposed to a CO atmosphere; Elsevier Science; Materials Science and Engineering B: Solid State Materials for Advanced Technology; 123; 2; 20-11-2005; 130-1350921-5107CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S0921510705003880info:eu-repo/semantics/altIdentifier/doi/10.1016/j.mseb.2005.07.009info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-03T10:06:21Zoai:ri.conicet.gov.ar:11336/94324instacron: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:34982025-09-03 10:06:21.357CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Effects of previous treatments on the electrical response of SnO2-thick films exposed to a CO atmosphere
title Effects of previous treatments on the electrical response of SnO2-thick films exposed to a CO atmosphere
spellingShingle Effects of previous treatments on the electrical response of SnO2-thick films exposed to a CO atmosphere
Ponce, Miguel Adolfo
Tin oxide
Electrical properties
Sensors
SnO2
title_short Effects of previous treatments on the electrical response of SnO2-thick films exposed to a CO atmosphere
title_full Effects of previous treatments on the electrical response of SnO2-thick films exposed to a CO atmosphere
title_fullStr Effects of previous treatments on the electrical response of SnO2-thick films exposed to a CO atmosphere
title_full_unstemmed Effects of previous treatments on the electrical response of SnO2-thick films exposed to a CO atmosphere
title_sort Effects of previous treatments on the electrical response of SnO2-thick films exposed to a CO atmosphere
dc.creator.none.fl_str_mv Ponce, Miguel Adolfo
Aldao, Celso Manuel
Castro, Miriam Susana
author Ponce, Miguel Adolfo
author_facet Ponce, Miguel Adolfo
Aldao, Celso Manuel
Castro, Miriam Susana
author_role author
author2 Aldao, Celso Manuel
Castro, Miriam Susana
author2_role author
author
dc.subject.none.fl_str_mv Tin oxide
Electrical properties
Sensors
SnO2
topic Tin oxide
Electrical properties
Sensors
SnO2
purl_subject.fl_str_mv https://purl.org/becyt/ford/2.11
https://purl.org/becyt/ford/2
https://purl.org/becyt/ford/1.3
https://purl.org/becyt/ford/1
https://purl.org/becyt/ford/2.5
https://purl.org/becyt/ford/2
dc.description.none.fl_txt_mv The influence of CO on the electrical conductivity on SnO2 thick films is studied. Possible sensing mechanisms are discerned by measuring the conductivity as a function of temperature during heating and cooling, and the transient responses to step changes in CO pressure at constant temperature. Studies of samples with prior treatments confirm the proposed mechanisms responsible for the observed film responses. The film conductivity is affected by CO adsorption and by reaction with previously adsorbed oxygen. Also, the oxygen vacancy concentration in the grains can be altered and, as a consequence, the sample resistivity.
Fil: Ponce, Miguel Adolfo. 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
Fil: Castro, Miriam Susana. 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 influence of CO on the electrical conductivity on SnO2 thick films is studied. Possible sensing mechanisms are discerned by measuring the conductivity as a function of temperature during heating and cooling, and the transient responses to step changes in CO pressure at constant temperature. Studies of samples with prior treatments confirm the proposed mechanisms responsible for the observed film responses. The film conductivity is affected by CO adsorption and by reaction with previously adsorbed oxygen. Also, the oxygen vacancy concentration in the grains can be altered and, as a consequence, the sample resistivity.
publishDate 2005
dc.date.none.fl_str_mv 2005-11-20
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/11336/94324
Ponce, Miguel Adolfo; Aldao, Celso Manuel; Castro, Miriam Susana; Effects of previous treatments on the electrical response of SnO2-thick films exposed to a CO atmosphere; Elsevier Science; Materials Science and Engineering B: Solid State Materials for Advanced Technology; 123; 2; 20-11-2005; 130-135
0921-5107
CONICET Digital
CONICET
url http://hdl.handle.net/11336/94324
identifier_str_mv Ponce, Miguel Adolfo; Aldao, Celso Manuel; Castro, Miriam Susana; Effects of previous treatments on the electrical response of SnO2-thick films exposed to a CO atmosphere; Elsevier Science; Materials Science and Engineering B: Solid State Materials for Advanced Technology; 123; 2; 20-11-2005; 130-135
0921-5107
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/S0921510705003880
info:eu-repo/semantics/altIdentifier/doi/10.1016/j.mseb.2005.07.009
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
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_ 1842269954710175744
score 13.13397

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