Relationship between crystal shape, photoluminescence, and local structure in SrTiO3 synthesized by microwave-assisted hydrothermal method

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dc.creatorSilva, Luís Fernando da
dc.creatorAvansi, Waldir
dc.creatorMoreira, Mário Lúcio
dc.creatorMesquita, Alexandre
dc.creatorMaia, Lauro June Queiroz
dc.creatorAndrés, Juan
dc.creatorLongo, Elson
dc.creatorMastelaro, Valmor Roberto
dc.date.accessioned2018-07-26T11:31:59Z
dc.date.available2018-07-26T11:31:59Z
dc.date.issued2012
dc.description.abstractThis paper describes the effect of using different titanium precursors on the synthesis and physical properties of SrTiO3 powders obtained by microwave-assisted hydrothermal method. X-ray diffraction measurements, X-ray absorption near-edge structure (XANES) spectroscopy, field emission scanning electron microscopy (FE-SEM), and high-resolution transmission electron microscopy (HRTEM) were carried out to investigate the structural and optical properties of the SrTiO3 spherical and cubelikeshaped particles. The appropriate choice of the titanium precursor allowed the control of morphological and photoluminescence (PL) properties of SrTiO3 compound. The PL emission was more intense in SrTiO3 samples composed of spherelike particles. This behavior was attributed to the existence of a lower amount of defects due to the uniformity of the spherical particles.pt_BR
dc.identifier.citationSILVA, Luís F. da; AVANSI, Waldir; MOREIRA, Mário L.; MESQUITA, Alexandre; MAIA, Lauro J. Q.; ANDRES, Juan; LONGO, Elson; MASTELARO, Valmor R. Relationship between crystal shape, photoluminescence, and local structure in SrTiO3 synthesized by microwave-assisted hydrothermal method. Journal of Nanomaterials, London, v. 2012, e890397, 2012.pt_BR
dc.identifier.doi10.1155/2012/890397
dc.identifier.issne- 1687-4129
dc.identifier.urihttp://repositorio.bc.ufg.br/handle/ri/15484
dc.language.isoengpt_BR
dc.publisher.countryGra-bretanhapt_BR
dc.publisher.departmentInstituto de Física - IF (RG)pt_BR
dc.rightsAcesso Abertopt_BR
dc.titleRelationship between crystal shape, photoluminescence, and local structure in SrTiO3 synthesized by microwave-assisted hydrothermal methodpt_BR
dc.typeArtigopt_BR

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