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dc.contributor.author
Rocha, Leandro S.R.
dc.contributor.author
Amoresi, Rafael A.C.
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Moreno, Henrique
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Ramirez, Miguel A.
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Ponce, Miguel Adolfo
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Foschini, Cesar R.
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Longo, Elson
dc.contributor.author
Simões, Alexandre Z.
dc.date.available
2021-09-06T17:45:22Z
dc.date.issued
2020-06
dc.identifier.citation
Rocha, Leandro S.R.; Amoresi, Rafael A.C.; Moreno, Henrique; Ramirez, Miguel A.; Ponce, Miguel Adolfo; et al.; Novel approaches of nanoceria with magnetic, photoluminescent, and gas-sensing properties; American Chemical Society; ACS Omega; 5; 25; 6-2020; 14879-14889
dc.identifier.issn
2470-1343
dc.identifier.uri
http://hdl.handle.net/11336/139707
dc.description.abstract
The modification of CeO2 with rare-earth elements opens up a wide range of applications as biomedical devices using infrared emission as well as magnetic and gas-sensing devices, once the structural, morphological, photoluminescent, magnetic, electric, and gas-sensing properties of these systems are strongly correlated to quantum electronic transitions between rare-earth f-states among defective species. Quantitative phase analysis revealed that the nanopowders are free from secondary phases and crystallize in the fluorite-type cubic structure. Magnetic coercive field measurements on the powders indicate that the substitution of cerium with lanthanum (8 wt %), in a fluorite-type cubic structure, created oxygen vacancies and led to a decrease in the fraction of Ce species in the 3+ state, resulting in a stronger room-temperature ferromagnetic response along with high coercivity (160 Oe). In addition to the magnetic and photoluminescent behavior, a fast response time (5.5 s) was observed after CO exposure, indicating that the defective structure of ceria-based materials corresponds to the key of success in terms of applications using photoluminescent, magnetic, or electrical behaviors.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
American Chemical Society
dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Photoluminescent
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Gas-Sensing Properties
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Magnetic
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CeO2
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Física de los Materiales Condensados
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Ciencias Físicas
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CIENCIAS NATURALES Y EXACTAS
dc.title
Novel approaches of nanoceria with magnetic, photoluminescent, and gas-sensing properties
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2021-08-27T20:22:41Z
dc.journal.volume
5
dc.journal.number
25
dc.journal.pagination
14879-14889
dc.journal.pais
Países Bajos
dc.journal.ciudad
Amsterdam
dc.description.fil
Fil: Rocha, Leandro S.R.. Universidade Federal do São Carlos; Brasil
dc.description.fil
Fil: Amoresi, Rafael A.C.. Universidade Estadual Paulista Julio de Mesquita Filho; Brasil
dc.description.fil
Fil: Moreno, Henrique. Universidade Estadual Paulista Julio de Mesquita Filho; Brasil
dc.description.fil
Fil: Ramirez, Miguel A.. Universidade Estadual Paulista Julio de Mesquita Filho; Brasil
dc.description.fil
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
dc.description.fil
Fil: Foschini, Cesar R.. Universidade Estadual Paulista Julio de Mesquita Filho; Brasil
dc.description.fil
Fil: Longo, Elson. Universidade Federal do São Carlos; Brasil
dc.description.fil
Fil: Simões, Alexandre Z.. Universidade Estadual Paulista Julio de Mesquita Filho; Brasil
dc.journal.title
ACS Omega
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://pubs.acs.org/doi/10.1021/acsomega.9b04250
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1021/acsomega.9b04250
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