Synthesis and optical properties of the crystalline phase Tb2TeO6

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dc.creatorFerreira, Katiúscia Daiane
dc.creatorMaia, Lauro June Queiroz
dc.creatorGasparotto, Gisane
dc.creatorCarvalho, Jesiel Freitas
dc.date.accessioned2024-02-15T13:16:13Z
dc.date.available2024-02-15T13:16:13Z
dc.date.issued2022
dc.description.abstractTb2TeO6 crystalline phase was prepared by solid-state reaction synthesis, presenting an orthorhombic structure with lattice parameters a = 5.2907(2) Å, b = 9.1079(30 Å, and c = 10.0113(3) Å. Thermal analysis measurements revealed two distinct thermal events, one of them associated to phase decomposition around 1230 ◦C and another more complex from 300 ◦C up to 1100 ◦C probably related to the Tb3+/Tb4+ oxidation reaction. The optical band gap was estimated to 4.36 eV. A high reflectance in the visible and near infrared regions was measured, as well the photoluminescence with bands centered at λ = 490, 548, 585, and 620 nm, attributed to electronic transitions of Tb3+ ions.
dc.identifier.citationFERREIRA, K. D. et al. Synthesis and optical properties of the crystalline phase Tb2TeO6. Solid State Sciences, Amsterdam, v. 134, e107054, 2022. DOI: 10.1016/j.solidstatesciences.2022.107054. Disponível em: https://www.sciencedirect.com/science/article/pii/S1293255822002497. Acesso em: 6 fev. 2024.
dc.identifier.doi10.1016/j.solidstatesciences.2022.107054
dc.identifier.issn1293-2558
dc.identifier.urihttps://www.sciencedirect.com/science/article/pii/S1293255822002497
dc.language.isoeng
dc.publisher.countryHolanda
dc.publisher.departmentInstituto de Física - IF (RMG)
dc.rightsAcesso Restrito
dc.subjectTb3+
dc.subjectTerbium tellurate
dc.subjectLuminescence
dc.subjectLanthanide tellurates
dc.titleSynthesis and optical properties of the crystalline phase Tb2TeO6
dc.typeArtigo

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