Grain boundary and grain interior conduction in γ′-Bi2MoO6
- Autores
- Vera, C. M. C.; Aragon, Ricardo
- Año de publicación
- 2005
- Idioma
- inglés
- Tipo de recurso
- artículo
- Estado
- versión publicada
- Descripción
- Impedance spectroscopy of fine grained (<10 μm) γ′- Bi2MoO6 samples, in the frequency range of 0.1 Hz-250 kHz, relevant to sensor applications, up to 800°C, has been used to characterize grain boundary and grain interior contributions to conduction. Above 500°C, the grain boundary contribution is no longer rate limiting and conduction is dominated by the grain interior component. The corresponding activation energies are 0.98 eV for grain boundary and 0.73 eV for grain interior components. The weak dependence of conductivity on oxygen partial pressure below 500°C can be attributed to electrode-electrolyte interface phenomena, whereas the robust response to ethanol is commensurate with changes in intrinsic ionic conductivity.
Fil: Vera, C. M. C.. Universidad de Buenos Aires. Facultad de Ingeniería; Argentina
Fil: Aragon, Ricardo. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Investigaciones Científicas y Técnicas de las Fuerzas Armadas. Centro de Investigaciones en Sólidos; Argentina. Universidad de Buenos Aires. Facultad de Ingeniería; Argentina - Materia
-
Bismuth Molybdates
Conductimetric Chemical Sensors
Electrical Transport
Impedance Spectroscopy
Oxygen Ionic Conduction - Nivel de accesibilidad
- acceso abierto
- Condiciones de uso
- https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
- Repositorio
- Institución
- Consejo Nacional de Investigaciones Científicas y Técnicas
- OAI Identificador
- oai:ri.conicet.gov.ar:11336/82174
Ver los metadatos del registro completo
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Grain boundary and grain interior conduction in γ′-Bi2MoO6Vera, C. M. C.Aragon, RicardoBismuth MolybdatesConductimetric Chemical SensorsElectrical TransportImpedance SpectroscopyOxygen Ionic Conductionhttps://purl.org/becyt/ford/1.4https://purl.org/becyt/ford/1Impedance spectroscopy of fine grained (<10 μm) γ′- Bi2MoO6 samples, in the frequency range of 0.1 Hz-250 kHz, relevant to sensor applications, up to 800°C, has been used to characterize grain boundary and grain interior contributions to conduction. Above 500°C, the grain boundary contribution is no longer rate limiting and conduction is dominated by the grain interior component. The corresponding activation energies are 0.98 eV for grain boundary and 0.73 eV for grain interior components. The weak dependence of conductivity on oxygen partial pressure below 500°C can be attributed to electrode-electrolyte interface phenomena, whereas the robust response to ethanol is commensurate with changes in intrinsic ionic conductivity.Fil: Vera, C. M. C.. Universidad de Buenos Aires. Facultad de Ingeniería; ArgentinaFil: Aragon, Ricardo. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Investigaciones Científicas y Técnicas de las Fuerzas Armadas. Centro de Investigaciones en Sólidos; Argentina. Universidad de Buenos Aires. Facultad de Ingeniería; ArgentinaElsevier Science2005-07info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/82174Vera, C. M. C.; Aragon, Ricardo; Grain boundary and grain interior conduction in γ′-Bi2MoO6; Elsevier Science; Materials Science and Engineering B: Solid State Materials for Advanced Technology; 121; 1-2; 7-2005; 187-1910921-5107CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S092151070500190Xinfo:eu-repo/semantics/altIdentifier/doi/10.1016/j.mseb.2005.03.006info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-29T10:33:21Zoai:ri.conicet.gov.ar:11336/82174instacron: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 10:33:22.002CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse |
dc.title.none.fl_str_mv |
Grain boundary and grain interior conduction in γ′-Bi2MoO6 |
title |
Grain boundary and grain interior conduction in γ′-Bi2MoO6 |
spellingShingle |
Grain boundary and grain interior conduction in γ′-Bi2MoO6 Vera, C. M. C. Bismuth Molybdates Conductimetric Chemical Sensors Electrical Transport Impedance Spectroscopy Oxygen Ionic Conduction |
title_short |
Grain boundary and grain interior conduction in γ′-Bi2MoO6 |
title_full |
Grain boundary and grain interior conduction in γ′-Bi2MoO6 |
title_fullStr |
Grain boundary and grain interior conduction in γ′-Bi2MoO6 |
title_full_unstemmed |
Grain boundary and grain interior conduction in γ′-Bi2MoO6 |
title_sort |
Grain boundary and grain interior conduction in γ′-Bi2MoO6 |
dc.creator.none.fl_str_mv |
Vera, C. M. C. Aragon, Ricardo |
author |
Vera, C. M. C. |
author_facet |
Vera, C. M. C. Aragon, Ricardo |
author_role |
author |
author2 |
Aragon, Ricardo |
author2_role |
author |
dc.subject.none.fl_str_mv |
Bismuth Molybdates Conductimetric Chemical Sensors Electrical Transport Impedance Spectroscopy Oxygen Ionic Conduction |
topic |
Bismuth Molybdates Conductimetric Chemical Sensors Electrical Transport Impedance Spectroscopy Oxygen Ionic Conduction |
purl_subject.fl_str_mv |
https://purl.org/becyt/ford/1.4 https://purl.org/becyt/ford/1 |
dc.description.none.fl_txt_mv |
Impedance spectroscopy of fine grained (<10 μm) γ′- Bi2MoO6 samples, in the frequency range of 0.1 Hz-250 kHz, relevant to sensor applications, up to 800°C, has been used to characterize grain boundary and grain interior contributions to conduction. Above 500°C, the grain boundary contribution is no longer rate limiting and conduction is dominated by the grain interior component. The corresponding activation energies are 0.98 eV for grain boundary and 0.73 eV for grain interior components. The weak dependence of conductivity on oxygen partial pressure below 500°C can be attributed to electrode-electrolyte interface phenomena, whereas the robust response to ethanol is commensurate with changes in intrinsic ionic conductivity. Fil: Vera, C. M. C.. Universidad de Buenos Aires. Facultad de Ingeniería; Argentina Fil: Aragon, Ricardo. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Investigaciones Científicas y Técnicas de las Fuerzas Armadas. Centro de Investigaciones en Sólidos; Argentina. Universidad de Buenos Aires. Facultad de Ingeniería; Argentina |
description |
Impedance spectroscopy of fine grained (<10 μm) γ′- Bi2MoO6 samples, in the frequency range of 0.1 Hz-250 kHz, relevant to sensor applications, up to 800°C, has been used to characterize grain boundary and grain interior contributions to conduction. Above 500°C, the grain boundary contribution is no longer rate limiting and conduction is dominated by the grain interior component. The corresponding activation energies are 0.98 eV for grain boundary and 0.73 eV for grain interior components. The weak dependence of conductivity on oxygen partial pressure below 500°C can be attributed to electrode-electrolyte interface phenomena, whereas the robust response to ethanol is commensurate with changes in intrinsic ionic conductivity. |
publishDate |
2005 |
dc.date.none.fl_str_mv |
2005-07 |
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/11336/82174 Vera, C. M. C.; Aragon, Ricardo; Grain boundary and grain interior conduction in γ′-Bi2MoO6; Elsevier Science; Materials Science and Engineering B: Solid State Materials for Advanced Technology; 121; 1-2; 7-2005; 187-191 0921-5107 CONICET Digital CONICET |
url |
http://hdl.handle.net/11336/82174 |
identifier_str_mv |
Vera, C. M. C.; Aragon, Ricardo; Grain boundary and grain interior conduction in γ′-Bi2MoO6; Elsevier Science; Materials Science and Engineering B: Solid State Materials for Advanced Technology; 121; 1-2; 7-2005; 187-191 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/S092151070500190X info:eu-repo/semantics/altIdentifier/doi/10.1016/j.mseb.2005.03.006 |
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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1844614349079969792 |
score |
13.070432 |