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Jun-2020
Sharp photoluminescence of Pr3+ ions in yttrium oxyfluoride nanospheres: thermographic phosphor characteristics using the fluorescence intensity ratio technique
Suresh Kumar, J.
;
Pavani, K.
;
Graça, M.P.F.
;
Soares, M.J.
article
1-Oct-2021
Structural characterization of Brazilian niobium pentoxide and treatment to obtain the single phase (H-Nb2O5)
da Cruz, J.A.
;
Volnistem, E.A.
;
Ferreira, R.F.
;
Freitas, D.B.
;
Sales, A.J.M.
;
Costa, L.C.
;
Graça, M.P.F.
article
15-Oct-2018
Synthesis, structural characterization and broadband ferromagnetic resonance in Li ferrite nanoparticles
Hernández-Gómez, P.
;
Valente, M.A.
;
Graça, M.P.F.
;
Muñoz, J.M.
article
Sep-2007
Influence of the sol-gel growth parameters on the optical and structural properties on LiNbO3 samples
Graça, M.P.F.
;
Valente, M.A.
;
Peres, M.
;
Cruz, A.
;
Soares, M.J.
;
Neves, A.J.
;
Monteiro, T.
;
Alves, E.
;
Marques, C.
article
2007
Structural and optical properties of Er3+ ion in sol-gel grown LiNbO3
Graça, M.P.F.
;
Valente, M.A.
;
Peres, M.
;
Cruz, A.
;
Soares, M.J.
;
Neves, A.J.
;
Monteiro, T.
;
Alves, L.C.
;
Alves, E.
article
2011
Morphological, structural, optical and dielectric properties of 91SiO2:4Li2O:4Nb2O5:1Dy2O3 (% mole) glass prepared by sol-gel
Valente, M.A.
;
Peres, M.
;
Nico, C.
;
Monteiro, T.
;
Graça, M.P.F.
;
Sombra, A.S.B.
;
Silva, C.C.
article
2011
Morphological, structural, optical and dielectric properties of 91SiO 2:4Li2O:4Nb2O5:1Dy2O 3 (% mole) glass prepared by sol-gel
Valente, M.A.
;
Peres, M.
;
Nico, C.
;
Monteiro, T.
;
Graça, M.P.F.
;
Sombra, A.S.B.
;
Silva, C.C.
article
30-Apr-2009
Synthesis and optical properties of a lithium niobiosilicate glass doped with europium
Graça, M.P.F.
;
Valente, M.A.
;
Silva, C.C.
;
Peres, M.
;
Cruz, A.
;
Soares, M.J.
;
Neves, A.J.
;
Monteiro, T.
article
Dec-2008
Structural and optical spectroscopy of LiNbO3:Tm nanocrystals embedded in a SiO2 glass matrix
Graça, M.P.F.
;
Peres, M.
;
Valente, M.A.
;
Neves, A.J.
;
Monteiro, T.
article
2011
Effect of processing method on physical properties of Nb2O5
Soares, M.R.N.
;
Leite, S.
;
Nico, C.
;
Peres, M.
;
Fernandes, A.J.S.
;
Graça, M.P.F.
;
Matos, M.
;
Monteiro, R.
;
Monteiro, T.
;
Costa, F.M.
article
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Valente, M.A.
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Nico, C.
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3
Bejar, M.
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Costa, F.M.
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Dhahri, E.
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Subject
5
Optical properties
3
Sol-gel
2
Dielectrical properties
2
Dysprosium oxide
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LiNbO3
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Lithium niobate
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Niobates
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2020 - 2021
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2007 - 2009