Synthesis and structural characterization of Sm-SrNickelates

Detalhes bibliográficos
Autor(a) principal: Araújo, José Humberto de
Data de Publicação: 2012
Outros Autores: Pimentel, Patrícia Mendonça, Oliveira, Rosane Maria Pessoa Betânio, Oliveira, Filipe Silva, Bagnato, Osmar Roberto, Melo, Dulce Maria de Araújo
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Institucional da UFRN
Texto Completo: https://repositorio.ufrn.br/jspui/handle/123456789/29359
Resumo: The main purpose of this work was to obtain Sm-Sr nickelates nanoparticles with Ruddelsden-Popper type structuresobtained by a simple process such as gelatin synthesis. The powders were calcinated at 900 ºC and characterized by X-ray diffraction,thermogravimetric analysis, scanning electron microscopy and high-resolution transmission electron microscopy techniques. Theeffect of chemical substitution of the Sm3+ by Sr2+ ions on the structural properties of the powders was studied. The Rietveld’smethod was successfully applied for determination of the quantitative phase analysis of the powders and revealed that the main phaseof the powders for different strontium content is of Ruddelsden-Popper type structure. A symmetry change from orthorhombic totetragonal is observed as increasing strontium
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spelling Araújo, José Humberto dePimentel, Patrícia MendonçaOliveira, Rosane Maria Pessoa BetânioOliveira, Filipe SilvaBagnato, Osmar RobertoMelo, Dulce Maria de Araújo2020-06-25T14:55:12Z2020-06-25T14:55:12Z2012-06-25PIMENTEL, P. M.; OLIVEIRA, R. M. P. B.; ARAÚJO, J. H.; OLIVEIRA, F. S.; BAGNATO, O. R.; MELO, D. M. A.. Synthesis and structural characterization of Sm-Sr nickelates. Journal of Chemistry and Chemical Engineering, v. 6, p. 526-530, 2012. Disponível em: https://webcache.googleusercontent.com/search?q=cache:OqsPKCL-FQQJ:https://sigaa.ufs.br/sigaa/verProducao%3FidProducao%3D334114%26key%3D7334fbe16b5a8a9a90ddd63a92e3d942+&cd=1&hl=pt-BR&ct=clnk&gl=br Acesso em: 23 jun 2020.1934-7383https://repositorio.ufrn.br/jspui/handle/123456789/29359The main purpose of this work was to obtain Sm-Sr nickelates nanoparticles with Ruddelsden-Popper type structuresobtained by a simple process such as gelatin synthesis. The powders were calcinated at 900 ºC and characterized by X-ray diffraction,thermogravimetric analysis, scanning electron microscopy and high-resolution transmission electron microscopy techniques. Theeffect of chemical substitution of the Sm3+ by Sr2+ ions on the structural properties of the powders was studied. The Rietveld’smethod was successfully applied for determination of the quantitative phase analysis of the powders and revealed that the main phaseof the powders for different strontium content is of Ruddelsden-Popper type structure. A symmetry change from orthorhombic totetragonal is observed as increasing strontiumThe main purpose of this work was to obtain Sm-Sr nickelates nanoparticles with Ruddelsden-Popper type structuresobtained by a simple process such as gelatin synthesis. The powders were calcinated at 900 ºC and characterized by X-ray diffraction,thermogravimetric analysis, scanning electron microscopy and high-resolution transmission electron microscopy techniques. Theeffect of chemical substitution of the Sm3+ by Sr2+ ions on the structural properties of the powders was studied. The Rietveld’smethod was successfully applied for determination of the quantitative phase analysis of the powders and revealed that the main phaseof the powders for different strontium content is of Ruddelsden-Popper type structure. A symmetry change from orthorhombic totetragonal is observed as increasing strontiumDavid PublishingNanostructuresElectron microscopyX-ray diffractionRuddelsden-PopperSynthesis and structural characterization of Sm-SrNickelatesinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleengreponame:Repositório Institucional da UFRNinstname:Universidade Federal do Rio Grande do Norte (UFRN)instacron:UFRNinfo:eu-repo/semantics/openAccessORIGINALSynthesisAndStructuralCharacterization_Araujo_2012.pdfSynthesisAndStructuralCharacterization_Araujo_2012.pdfapplication/pdf1028520https://repositorio.ufrn.br/bitstream/123456789/29359/1/SynthesisAndStructuralCharacterization_Araujo_2012.pdf0c42e9998dcc2e8c30eb107b6657a14eMD51LICENSElicense.txtlicense.txttext/plain; charset=utf-81484https://repositorio.ufrn.br/bitstream/123456789/29359/2/license.txte9597aa2854d128fd968be5edc8a28d9MD52TEXTSynthesisAndStructuralCharacterization_Araujo_2012.pdf.txtSynthesisAndStructuralCharacterization_Araujo_2012.pdf.txtExtracted texttext/plain14814https://repositorio.ufrn.br/bitstream/123456789/29359/3/SynthesisAndStructuralCharacterization_Araujo_2012.pdf.txt15916812378608449d2a6ab9b64d5c77MD53THUMBNAILSynthesisAndStructuralCharacterization_Araujo_2012.pdf.jpgSynthesisAndStructuralCharacterization_Araujo_2012.pdf.jpgGenerated Thumbnailimage/jpeg1598https://repositorio.ufrn.br/bitstream/123456789/29359/4/SynthesisAndStructuralCharacterization_Araujo_2012.pdf.jpgc9775ae6c56738a85ae9760a4e70fa65MD54123456789/293592021-10-05 10:55:19.292oai:https://repositorio.ufrn.br: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Repositório de PublicaçõesPUBhttp://repositorio.ufrn.br/oai/opendoar:2021-10-05T13:55:19Repositório Institucional da UFRN - Universidade Federal do Rio Grande do Norte (UFRN)false
dc.title.pt_BR.fl_str_mv Synthesis and structural characterization of Sm-SrNickelates
title Synthesis and structural characterization of Sm-SrNickelates
spellingShingle Synthesis and structural characterization of Sm-SrNickelates
Araújo, José Humberto de
Nanostructures
Electron microscopy
X-ray diffraction
Ruddelsden-Popper
title_short Synthesis and structural characterization of Sm-SrNickelates
title_full Synthesis and structural characterization of Sm-SrNickelates
title_fullStr Synthesis and structural characterization of Sm-SrNickelates
title_full_unstemmed Synthesis and structural characterization of Sm-SrNickelates
title_sort Synthesis and structural characterization of Sm-SrNickelates
author Araújo, José Humberto de
author_facet Araújo, José Humberto de
Pimentel, Patrícia Mendonça
Oliveira, Rosane Maria Pessoa Betânio
Oliveira, Filipe Silva
Bagnato, Osmar Roberto
Melo, Dulce Maria de Araújo
author_role author
author2 Pimentel, Patrícia Mendonça
Oliveira, Rosane Maria Pessoa Betânio
Oliveira, Filipe Silva
Bagnato, Osmar Roberto
Melo, Dulce Maria de Araújo
author2_role author
author
author
author
author
dc.contributor.author.fl_str_mv Araújo, José Humberto de
Pimentel, Patrícia Mendonça
Oliveira, Rosane Maria Pessoa Betânio
Oliveira, Filipe Silva
Bagnato, Osmar Roberto
Melo, Dulce Maria de Araújo
dc.subject.por.fl_str_mv Nanostructures
Electron microscopy
X-ray diffraction
Ruddelsden-Popper
topic Nanostructures
Electron microscopy
X-ray diffraction
Ruddelsden-Popper
description The main purpose of this work was to obtain Sm-Sr nickelates nanoparticles with Ruddelsden-Popper type structuresobtained by a simple process such as gelatin synthesis. The powders were calcinated at 900 ºC and characterized by X-ray diffraction,thermogravimetric analysis, scanning electron microscopy and high-resolution transmission electron microscopy techniques. Theeffect of chemical substitution of the Sm3+ by Sr2+ ions on the structural properties of the powders was studied. The Rietveld’smethod was successfully applied for determination of the quantitative phase analysis of the powders and revealed that the main phaseof the powders for different strontium content is of Ruddelsden-Popper type structure. A symmetry change from orthorhombic totetragonal is observed as increasing strontium
publishDate 2012
dc.date.issued.fl_str_mv 2012-06-25
dc.date.accessioned.fl_str_mv 2020-06-25T14:55:12Z
dc.date.available.fl_str_mv 2020-06-25T14:55:12Z
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
format article
status_str publishedVersion
dc.identifier.citation.fl_str_mv PIMENTEL, P. M.; OLIVEIRA, R. M. P. B.; ARAÚJO, J. H.; OLIVEIRA, F. S.; BAGNATO, O. R.; MELO, D. M. A.. Synthesis and structural characterization of Sm-Sr nickelates. Journal of Chemistry and Chemical Engineering, v. 6, p. 526-530, 2012. Disponível em: https://webcache.googleusercontent.com/search?q=cache:OqsPKCL-FQQJ:https://sigaa.ufs.br/sigaa/verProducao%3FidProducao%3D334114%26key%3D7334fbe16b5a8a9a90ddd63a92e3d942+&cd=1&hl=pt-BR&ct=clnk&gl=br Acesso em: 23 jun 2020.
dc.identifier.uri.fl_str_mv https://repositorio.ufrn.br/jspui/handle/123456789/29359
dc.identifier.issn.none.fl_str_mv 1934-7383
identifier_str_mv PIMENTEL, P. M.; OLIVEIRA, R. M. P. B.; ARAÚJO, J. H.; OLIVEIRA, F. S.; BAGNATO, O. R.; MELO, D. M. A.. Synthesis and structural characterization of Sm-Sr nickelates. Journal of Chemistry and Chemical Engineering, v. 6, p. 526-530, 2012. Disponível em: https://webcache.googleusercontent.com/search?q=cache:OqsPKCL-FQQJ:https://sigaa.ufs.br/sigaa/verProducao%3FidProducao%3D334114%26key%3D7334fbe16b5a8a9a90ddd63a92e3d942+&cd=1&hl=pt-BR&ct=clnk&gl=br Acesso em: 23 jun 2020.
1934-7383
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language eng
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.publisher.none.fl_str_mv David Publishing
publisher.none.fl_str_mv David Publishing
dc.source.none.fl_str_mv reponame:Repositório Institucional da UFRN
instname:Universidade Federal do Rio Grande do Norte (UFRN)
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reponame_str Repositório Institucional da UFRN
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