Monitoring the structural and vibrational properties in re-doped SrTiO3 ceramic powders

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dc.creatorYuslin González-Abreu
dc.creatorJulia Cristina Soares
dc.creatorRoberto Luiz Moreira
dc.creatorAnderson Dias
dc.date.accessioned2023-07-31T13:32:07Z
dc.date.accessioned2025-09-08T23:25:56Z
dc.date.available2023-07-31T13:32:07Z
dc.date.issued2016
dc.description.sponsorshipCNPq - Conselho Nacional de Desenvolvimento Científico e Tecnológico
dc.description.sponsorshipFAPEMIG - Fundação de Amparo à Pesquisa do Estado de Minas Gerais
dc.description.sponsorshipCAPES - Coordenação de Aperfeiçoamento de Pessoal de Nível Superior
dc.description.sponsorshipOutra Agência
dc.identifier.doihttps://doi.org/10.1021/acs.jpcc.6b05128
dc.identifier.issn19327447
dc.identifier.urihttps://hdl.handle.net/1843/57217
dc.languageeng
dc.publisherUniversidade Federal de Minas Gerais
dc.relation.ispartofThe Journal of Physical Chemistry C
dc.rightsAcesso Restrito
dc.subjectIons
dc.subjectÓxidos
dc.subjectÍons das terras raras
dc.subjectEstrutura química
dc.subjectRaios X - Difração
dc.subjectRaman, Espectroscopia de
dc.subject.otherChemical structure
dc.subject.otherImpurities
dc.subject.otherIons
dc.subject.otherOxides
dc.subject.otherPerovskites
dc.titleMonitoring the structural and vibrational properties in re-doped SrTiO3 ceramic powders
dc.typeArtigo de periódico
local.citation.epage16968
local.citation.issue30
local.citation.spage16960
local.citation.volume120
local.description.resumoX-ray diffraction and Raman spectroscopy were employed to analyze the effect of the rare earth (RE) doping (ionic radii and concentration) on the crystalline structure of Sr0.97RE0.03TiO3 (RE = Sm3+, Eu3+, Gd3+, Dy3+, Tm3+, Yb3+, Lu3+) and Sr1–xEuxTiO3 (x varying from 0.01 to 0.19) ceramic powders. We notice drastic changes in both structural and vibrational properties of the investigated samples for increasing dopant concentration into the SrTiO3 (ST) lattice. The results showed evidence of RE incorporation into both A- and B-sites of the ST structure. Also, tetragonal local symmetry (I4/mcm space group) was observed in RE-doped samples at room temperature from the cubic (Pm3̅m) phase exhibited by phase-pure ST ceramics. The results obtained for the Sr1–xEuxTiO3 ceramic powders showed that these samples undergo a clear cubic-to-tetragonal phase transition for x ≥ 0.13 at room temperature.
local.identifier.orcidhttps://orcid.org/0000-0001-7413-1087
local.identifier.orcidhttps://orcid.org/0000-0002-3283-761X
local.identifier.orcidhttps://orcid.org/0000-0001-6820-0269
local.publisher.countryBrasil
local.publisher.departmentICX - DEPARTAMENTO DE FÍSICA
local.publisher.departmentICX - DEPARTAMENTO DE QUÍMICA
local.publisher.initialsUFMG
local.url.externahttps://pubs.acs.org/doi/10.1021/acs.jpcc.6b05128

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