Effect of the magnetic impurity on the charge diffusion in highly dilute Ce doped LaMnO3

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dc.contributor.authorCABRERA-PASCA, G.A.pt_BR
dc.contributor.authorBOSCH-SANTOS, B.pt_BR
dc.contributor.authorBURIMOVA, A.pt_BR
dc.contributor.authorCORREA, E.L.pt_BR
dc.contributor.authorCARBONARI, A.W.pt_BR
dc.coverageInternacionalpt_BR
dc.date.accessioned2020-04-06T12:40:52Z
dc.date.available2020-04-06T12:40:52Z
dc.date.issued2020pt_BR
dc.description.abstractLaMnO3+δ is a complex oxide, which, depending on the oxygen excess concentration, presents different crystalline structure and interesting magnetic and electric properties such as colossal magnetoresistance, polaron dynamics, multiferroic behavior, and charge-orbital ordering. This complexity requires different characterization techniques to draw a picture as complete as possible allowing a good understanding of these phenomena. Here, we have used the perturbed angular correlation (PAC) technique to measure hyperfine interactions at La and Mn sites of LaMnO3+δ(δ ∼0.15) using 140Ce and 111Cd at La sites as probe nuclei in order to investigate within an atomic scale the magnetic and electric interactions in this compound. The results show that 111Cd nuclei occupy highly symmetric local sites in agreement with a rhombohedral structure. The magnetic hyperfine field (Bhf ) measured with 111Cd at La sites is very small (Bhf = 0.40 T) due to the supertransferred magnetic field from Mn neighbors through oxygen orbitals. On the other hand, 140Ce nuclei at La sites present a saturation field of around 3.7 T much higher than that expected for La sites (due to the weak transfer field by superexchange mechanism). In addition, for temperature range above the magnetic ordering (200-300 K) a dynamic hyperfine interaction was observed characterized by the attenuation parameter λ(T) whose temperature dependence allowed to determine the activation energy (Ea) associated to charge transfer. The polarization of the 4f -electron of Ce impurities affects the local magnetic field at impurity sites as well as the Ea.pt_BR
dc.description.sponsorshipFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)pt_BR
dc.description.sponsorshipConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)pt_BR
dc.description.sponsorshipIDFAPESP: 14/14001-1; 19/15620-0pt_BR
dc.description.sponsorshipIDCNPq: 304627/2017-8pt_BR
dc.format.extent015223-1 - 015223-5pt_BR
dc.identifier.citationCABRERA-PASCA, G.A.; BOSCH-SANTOS, B.; BURIMOVA, A.; CORREA, E.L.; CARBONARI, A.W. Effect of the magnetic impurity on the charge diffusion in highly dilute Ce doped LaMnO3. <b>AIP Advances</b>, v. 10, n. 1, p. 015223-1 - 015223-5, 2020. DOI: <a href="https://dx.doi.org/10.1063/1.5130429">10.1063/1.5130429</a>. Disponível em: http://repositorio.ipen.br/handle/123456789/31081.
dc.identifier.doi10.1063/1.5130429pt_BR
dc.identifier.fasciculo1pt_BR
dc.identifier.issn2158-3226pt_BR
dc.identifier.orcid0000-0002-4499-5949pt_BR
dc.identifier.orcidhttps://orcid.org/0000-0002-4499-5949
dc.identifier.percentilfi16.98pt_BR
dc.identifier.percentilfiCiteScore55.00
dc.identifier.urihttp://repositorio.ipen.br/handle/123456789/31081
dc.identifier.vol10pt_BR
dc.relation.ispartofAIP Advancespt_BR
dc.rightsopenAccesspt_BR
dc.subjectimpurities
dc.subjectmagnetic flux
dc.subjectdoped materials
dc.subjectperturbed angular correlation
dc.subjecttrigonal lattices
dc.subjecthyperfine structure
dc.subjectmagnetic moments
dc.subjectcerium additions
dc.subjectlanthanum
dc.subjectthin films
dc.subjectmanganese oxides
dc.subjectprobes
dc.titleEffect of the magnetic impurity on the charge diffusion in highly dilute Ce doped LaMnO3pt_BR
dc.typeArtigo de periódicopt_BR
dspace.entity.typePublication
ipen.autorANASTASIA BURIMOVA
ipen.autorARTUR WILSON CARBONARI
ipen.autorEDUARDO DE LIMA CORREA
ipen.autorBRIANNA BOSCH DOS SANTOS
ipen.codigoautor14454
ipen.codigoautor1437
ipen.codigoautor7498
ipen.codigoautor7480
ipen.contributor.ipenauthorANASTASIA BURIMOVA
ipen.contributor.ipenauthorARTUR WILSON CARBONARI
ipen.contributor.ipenauthorEDUARDO DE LIMA CORREA
ipen.contributor.ipenauthorBRIANNA BOSCH DOS SANTOS
ipen.date.recebimento20-04
ipen.identifier.fi1.548pt_BR
ipen.identifier.fiCiteScore2.6
ipen.identifier.ipendoc26867pt_BR
ipen.identifier.iwosWoSpt_BR
ipen.range.fi1.500 - 2.999
ipen.range.percentilfi0.00 - 24.99
ipen.type.genreArtigo
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relation.isAuthorOfPublication8f236231-e73c-4182-a596-d83e49cd0404
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relation.isAuthorOfPublication.latestForDiscovery8eb536a6-8b2a-449c-aebf-392b54cd208f
sigepi.autor.atividadeCARBONARI, A.W.:1437:310:Npt_BR
sigepi.autor.atividadeCORREA, E.L.:7498:310:Npt_BR
sigepi.autor.atividadeBURIMOVA, A.:14454:310:Npt_BR
sigepi.autor.atividadeBOSCH-SANTOS, B.:7480:310:Npt_BR
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