Pressure induced stability enhancement of cubic nanostructured CeO2
- Autores
- Paulin, Mariano Andrés; Garbarino, Gaston; Leyva, Ana Gabriela; Mezouar, Mohamed; Sacanell, Joaquin Gonzalo
- Año de publicación
- 2020
- Idioma
- inglés
- Tipo de recurso
- artículo
- Estado
- versión publicada
- Descripción
- Ceria (CeO2)-based materials are widely used in applications such as catalysis, fuel cells and oxygen sensors. Its cubic fluorite structure with a cell parameter similar to that of silicon makes it a candidate for implementation in electronic devices. This structure is stable in a wide temperature and pressure range, with a reported structural phase transition to an orthorhombic phase. In this work, we study the structure of CeO2 under hydrostatic pressures up to 110 GPa simultaneously for the nanometer-and micrometer-sized powders as well as for a single crystal, using He as the pressure-transmitting medium. The first-order transition is clearly present for the micrometer-sized and single-crystal samples, while, for the nanometer grain size powder, it is suppressed up to at least 110 GPa. We show that the stacking fault density increases by two orders of magnitude in the studied pressure range and could act as an internal constraint, avoiding the nucleation of the high-pressure phase.
Fil: Paulin, Mariano Andrés. Comisión Nacional de Energía Atómica. Gerencia del Área de Energía Nuclear. Instituto Balseiro. Archivo Histórico del Centro Atómico Bariloche e Instituto Balseiro | Universidad Nacional de Cuyo. Instituto Balseiro. Archivo Histórico del Centro Atómico Bariloche e Instituto Balseiro; Argentina
Fil: Garbarino, Gaston. European Synchrotron Radiation; Francia
Fil: Leyva, Ana Gabriela. Comisión Nacional de Energía Atómica. Centro Atómico Constituyentes; Argentina. Universidad Nacional de San Martín. Escuela de Ciencia y Tecnología; Argentina
Fil: Mezouar, Mohamed. European Synchrotron Radiation; Francia
Fil: Sacanell, Joaquin Gonzalo. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Unidad Ejecutora Instituto de Nanociencia y Nanotecnología. Unidad Ejecutora Instituto de Nanociencia y Nanotecnología - Nodo Constituyentes | Comisión Nacional de Energía Atómica. Unidad Ejecutora Instituto de Nanociencia y Nanotecnología. Unidad Ejecutora Instituto de Nanociencia y Nanotecnología - Nodo Constituyentes; Argentina - Materia
-
CERIA
HIGH PRESSURE
NANOPARTICLES
STACKING FAULTS
X-RAY DIFFRACTION - 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:11336/146202
Ver los metadatos del registro completo
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Pressure induced stability enhancement of cubic nanostructured CeO2Paulin, Mariano AndrésGarbarino, GastonLeyva, Ana GabrielaMezouar, MohamedSacanell, Joaquin GonzaloCERIAHIGH PRESSURENANOPARTICLESSTACKING FAULTSX-RAY DIFFRACTIONhttps://purl.org/becyt/ford/1.3https://purl.org/becyt/ford/1Ceria (CeO2)-based materials are widely used in applications such as catalysis, fuel cells and oxygen sensors. Its cubic fluorite structure with a cell parameter similar to that of silicon makes it a candidate for implementation in electronic devices. This structure is stable in a wide temperature and pressure range, with a reported structural phase transition to an orthorhombic phase. In this work, we study the structure of CeO2 under hydrostatic pressures up to 110 GPa simultaneously for the nanometer-and micrometer-sized powders as well as for a single crystal, using He as the pressure-transmitting medium. The first-order transition is clearly present for the micrometer-sized and single-crystal samples, while, for the nanometer grain size powder, it is suppressed up to at least 110 GPa. We show that the stacking fault density increases by two orders of magnitude in the studied pressure range and could act as an internal constraint, avoiding the nucleation of the high-pressure phase.Fil: Paulin, Mariano Andrés. Comisión Nacional de Energía Atómica. Gerencia del Área de Energía Nuclear. Instituto Balseiro. Archivo Histórico del Centro Atómico Bariloche e Instituto Balseiro | Universidad Nacional de Cuyo. Instituto Balseiro. Archivo Histórico del Centro Atómico Bariloche e Instituto Balseiro; ArgentinaFil: Garbarino, Gaston. European Synchrotron Radiation; FranciaFil: Leyva, Ana Gabriela. Comisión Nacional de Energía Atómica. Centro Atómico Constituyentes; Argentina. Universidad Nacional de San Martín. Escuela de Ciencia y Tecnología; ArgentinaFil: Mezouar, Mohamed. European Synchrotron Radiation; FranciaFil: Sacanell, Joaquin Gonzalo. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Unidad Ejecutora Instituto de Nanociencia y Nanotecnología. Unidad Ejecutora Instituto de Nanociencia y Nanotecnología - Nodo Constituyentes | Comisión Nacional de Energía Atómica. Unidad Ejecutora Instituto de Nanociencia y Nanotecnología. Unidad Ejecutora Instituto de Nanociencia y Nanotecnología - Nodo Constituyentes; ArgentinaMolecular Diversity Preservation International2020-03info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/146202Paulin, Mariano Andrés; Garbarino, Gaston; Leyva, Ana Gabriela; Mezouar, Mohamed; Sacanell, Joaquin Gonzalo; Pressure induced stability enhancement of cubic nanostructured CeO2; Molecular Diversity Preservation International; Nanomaterials; 10; 4; 3-2020; 1-92079-4991CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/https://www.mdpi.com/2079-4991/10/4/650info:eu-repo/semantics/altIdentifier/doi/10.3390/nano10040650info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-29T09:52:36Zoai:ri.conicet.gov.ar:11336/146202instacron: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 09:52:36.761CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse |
dc.title.none.fl_str_mv |
Pressure induced stability enhancement of cubic nanostructured CeO2 |
title |
Pressure induced stability enhancement of cubic nanostructured CeO2 |
spellingShingle |
Pressure induced stability enhancement of cubic nanostructured CeO2 Paulin, Mariano Andrés CERIA HIGH PRESSURE NANOPARTICLES STACKING FAULTS X-RAY DIFFRACTION |
title_short |
Pressure induced stability enhancement of cubic nanostructured CeO2 |
title_full |
Pressure induced stability enhancement of cubic nanostructured CeO2 |
title_fullStr |
Pressure induced stability enhancement of cubic nanostructured CeO2 |
title_full_unstemmed |
Pressure induced stability enhancement of cubic nanostructured CeO2 |
title_sort |
Pressure induced stability enhancement of cubic nanostructured CeO2 |
dc.creator.none.fl_str_mv |
Paulin, Mariano Andrés Garbarino, Gaston Leyva, Ana Gabriela Mezouar, Mohamed Sacanell, Joaquin Gonzalo |
author |
Paulin, Mariano Andrés |
author_facet |
Paulin, Mariano Andrés Garbarino, Gaston Leyva, Ana Gabriela Mezouar, Mohamed Sacanell, Joaquin Gonzalo |
author_role |
author |
author2 |
Garbarino, Gaston Leyva, Ana Gabriela Mezouar, Mohamed Sacanell, Joaquin Gonzalo |
author2_role |
author author author author |
dc.subject.none.fl_str_mv |
CERIA HIGH PRESSURE NANOPARTICLES STACKING FAULTS X-RAY DIFFRACTION |
topic |
CERIA HIGH PRESSURE NANOPARTICLES STACKING FAULTS X-RAY DIFFRACTION |
purl_subject.fl_str_mv |
https://purl.org/becyt/ford/1.3 https://purl.org/becyt/ford/1 |
dc.description.none.fl_txt_mv |
Ceria (CeO2)-based materials are widely used in applications such as catalysis, fuel cells and oxygen sensors. Its cubic fluorite structure with a cell parameter similar to that of silicon makes it a candidate for implementation in electronic devices. This structure is stable in a wide temperature and pressure range, with a reported structural phase transition to an orthorhombic phase. In this work, we study the structure of CeO2 under hydrostatic pressures up to 110 GPa simultaneously for the nanometer-and micrometer-sized powders as well as for a single crystal, using He as the pressure-transmitting medium. The first-order transition is clearly present for the micrometer-sized and single-crystal samples, while, for the nanometer grain size powder, it is suppressed up to at least 110 GPa. We show that the stacking fault density increases by two orders of magnitude in the studied pressure range and could act as an internal constraint, avoiding the nucleation of the high-pressure phase. Fil: Paulin, Mariano Andrés. Comisión Nacional de Energía Atómica. Gerencia del Área de Energía Nuclear. Instituto Balseiro. Archivo Histórico del Centro Atómico Bariloche e Instituto Balseiro | Universidad Nacional de Cuyo. Instituto Balseiro. Archivo Histórico del Centro Atómico Bariloche e Instituto Balseiro; Argentina Fil: Garbarino, Gaston. European Synchrotron Radiation; Francia Fil: Leyva, Ana Gabriela. Comisión Nacional de Energía Atómica. Centro Atómico Constituyentes; Argentina. Universidad Nacional de San Martín. Escuela de Ciencia y Tecnología; Argentina Fil: Mezouar, Mohamed. European Synchrotron Radiation; Francia Fil: Sacanell, Joaquin Gonzalo. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Unidad Ejecutora Instituto de Nanociencia y Nanotecnología. Unidad Ejecutora Instituto de Nanociencia y Nanotecnología - Nodo Constituyentes | Comisión Nacional de Energía Atómica. Unidad Ejecutora Instituto de Nanociencia y Nanotecnología. Unidad Ejecutora Instituto de Nanociencia y Nanotecnología - Nodo Constituyentes; Argentina |
description |
Ceria (CeO2)-based materials are widely used in applications such as catalysis, fuel cells and oxygen sensors. Its cubic fluorite structure with a cell parameter similar to that of silicon makes it a candidate for implementation in electronic devices. This structure is stable in a wide temperature and pressure range, with a reported structural phase transition to an orthorhombic phase. In this work, we study the structure of CeO2 under hydrostatic pressures up to 110 GPa simultaneously for the nanometer-and micrometer-sized powders as well as for a single crystal, using He as the pressure-transmitting medium. The first-order transition is clearly present for the micrometer-sized and single-crystal samples, while, for the nanometer grain size powder, it is suppressed up to at least 110 GPa. We show that the stacking fault density increases by two orders of magnitude in the studied pressure range and could act as an internal constraint, avoiding the nucleation of the high-pressure phase. |
publishDate |
2020 |
dc.date.none.fl_str_mv |
2020-03 |
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/11336/146202 Paulin, Mariano Andrés; Garbarino, Gaston; Leyva, Ana Gabriela; Mezouar, Mohamed; Sacanell, Joaquin Gonzalo; Pressure induced stability enhancement of cubic nanostructured CeO2; Molecular Diversity Preservation International; Nanomaterials; 10; 4; 3-2020; 1-9 2079-4991 CONICET Digital CONICET |
url |
http://hdl.handle.net/11336/146202 |
identifier_str_mv |
Paulin, Mariano Andrés; Garbarino, Gaston; Leyva, Ana Gabriela; Mezouar, Mohamed; Sacanell, Joaquin Gonzalo; Pressure induced stability enhancement of cubic nanostructured CeO2; Molecular Diversity Preservation International; Nanomaterials; 10; 4; 3-2020; 1-9 2079-4991 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.mdpi.com/2079-4991/10/4/650 info:eu-repo/semantics/altIdentifier/doi/10.3390/nano10040650 |
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 |
Molecular Diversity Preservation International |
publisher.none.fl_str_mv |
Molecular Diversity Preservation International |
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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1844613613562626048 |
score |
13.070432 |