Optical and structural properties of neodymium-doped KPO3-MoO3 glasses

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dc.creatorGalleani, Gustavo
dc.creatorSantagneli, Silvia Helena
dc.creatorMessaddeq, Younes
dc.creatorMaia, Lauro June Queiroz
dc.creatorNunes, Luiz Antonio de Oliveira
dc.date.accessioned2024-02-15T13:10:34Z
dc.date.available2024-02-15T13:10:34Z
dc.date.issued2017
dc.description.abstractGlasses of composition (mol%) 75KPO3-(25-x)MoO3-xNd3 +, with 0 ≤ x ≤ 1.0, have been prepared and characterized. Thermal and structural properties of the glasses were studied by Differential Scanning Calorimetry (DSC) and Raman scattering spectroscopy. The thermal stability against crystallization on heating was evaluated. Absorption spectra in the visible and infrared regions were collected and analysed, and photoluminescence excitation and emission spectra were obtained under 804 nm diode laser excitations. Using the Judd-Ofelt formalism, the Ω2, Ω4, and Ω6 parameters and the radiative lifetime (τr) were calculated for the 4F3/2 excited state. A fluorescence quantum efficiency for this level (QE = τf / τr) of 58% was determined for glass with x = 0.6.
dc.identifier.citationGALLEANI, Gustavo et al. Optical and structural properties of neodymium-doped KPO3-MoO3 glasses. Journal of Non-Crystalline Solids, Amsterdam, v. 458, p. 65-68, 2017. DOI: 10.1016/j.jnoncrysol.2016.12.002. Disponível em: https://www.sciencedirect.com/science/article/pii/S002230931630549X. Acesso em: 7 fev. 2024.
dc.identifier.doi10.1016/j.jnoncrysol.2016.12.002
dc.identifier.issn0022-3093
dc.identifier.issne- 1873-4812
dc.identifier.urihttps://www.sciencedirect.com/science/article/pii/S002230931630549X
dc.language.isoeng
dc.publisher.countryHolanda
dc.publisher.departmentInstituto de Física - IF (RMG)
dc.rightsAcesso Restrito
dc.subjectPhosphate glasses
dc.subjectNd3 + ions
dc.subjectOptical properties
dc.subjectLifetime
dc.titleOptical and structural properties of neodymium-doped KPO3-MoO3 glasses
dc.typeArtigo

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