Browsing by Author Graça, M.P.F.

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Issue DateTitleAuthor(s)TypeAccess Type
Jul-2021Analogy of different optical temperature sensing techniques in LaNbO4:Er3+/Yb3+ phosphorPavani, K.; do Nascimento, J.P.C.; Jakka, S.K.; do Carmo, F.F.; Sales, A.J.M.; Soares, M.J.; Graça, M.P.F.; de Aquino, F.J.A.; Gouveia, D.X.; Sombra, A.S.B.articleembargoedAccess
Aug-2016Ba-doped ZnO nanostructure: X-ray line analysis and optical properties in visible and low frequency infraredZamiri, Reza; Chenari, Hossein Mahmoudi; Moafi, H.F.; Shabani, Mehdi; Salehizadeh, S.A.; Rebelo, Avito; Kumar, J. Suresh; Graça, M.P.F.; Soares, M.J.; Ferreira, J.M.F.articlerestrictedAccess
2011Effect of processing method on physical properties of Nb2O5Soares, 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.articlerestrictedAccess
Nov-2020Impact of the pulling rate on the redox state and magnetic domains of Fe-Si-O glass ceramic processed by LFZ methodSalehizadeh, S.A.; Ferreira, N.M.; Ivanov, M.S.; Khomchenko, V.A.; Paixão, J.A.; Costa, F.M.; Valente, M.A.; Graça, M.P.F.articleopenAccess
Sep-2007Influence of the sol-gel growth parameters on the optical and structural properties on LiNbO3 samplesGraça, M.P.F.; Valente, M.A.; Peres, M.; Cruz, A.; Soares, M.J.; Neves, A.J.; Monteiro, T.; Alves, E.; Marques, C.articlerestrictedAccess
16-Sep-2019Investigating the structural, morphological, dielectric and electric properties of the multiferroic (La0.8Ca0.2)0.9Bi0.1FeO3 materialIssaoui, H.; Benali, A.; Bejar, M.; Dhahri, E.; Graça, M.P.F.; Valente, M.A.; Costa, B.F.O.articleopenAccess
2011Lithium niobosilicate glass doped with samarium: Dielectric and optical analysisNico, C.; Graça, M.P.F.; Monteiro, T.; Valente, M.A.articlerestrictedAccess
15-May-2019Modulation of magnetism and study of impedance and alternating current conductivity of Zn0.4Ni0.6Fe2O4 spinel ferriteAmor, S.B.; Benali, A.; Bejar, M.; Dhahri, E.; Khirouni, K.; Valente, M.A.; Graça, M.P.F.; Al-Turjman, F.; Rodriguez, J.; Radwan, A.articleopenAccess
2011Morphological, structural, optical and dielectric properties of 91SiO 2:4Li2O:4Nb2O5:1Dy2O 3 (% mole) glass prepared by sol-gelValente, M.A.; Peres, M.; Nico, C.; Monteiro, T.; Graça, M.P.F.; Sombra, A.S.B.; Silva, C.C.articlerestrictedAccess
2011Morphological, structural, optical and dielectric properties of 91SiO2:4Li2O:4Nb2O5:1Dy2O3 (% mole) glass prepared by sol-gelValente, M.A.; Peres, M.; Nico, C.; Monteiro, T.; Graça, M.P.F.; Sombra, A.S.B.; Silva, C.C.articlerestrictedAccess
Apr-2019Oxygen-vacancy-related giant permittivity and ethanol sensing response in SrTiO3-δ ceramicsTrabelsi, H.; Bejar, M.; Dhahri, E.; Valente, M.A.; Graça, M.P.F.articleopenAccess
Jun-2020Sharp photoluminescence of Pr3+ ions in yttrium oxyfluoride nanospheres: thermographic phosphor characteristics using the fluorescence intensity ratio techniqueSuresh Kumar, J.; Pavani, K.; Graça, M.P.F.; Soares, M.J.articleopenAccess
3-Mar-2011Sintered NbO powders for electronic device applicationsNico, C.; Soares, M.R.N.; Rodrigues, J.; Matos, M.; Monteiro, R.; Graça, M.P.F.; Valente, M.A.; Costa, F.M.; Monteiro, T.articlerestrictedAccess
2007Structural and optical properties of Er3+ ion in sol-gel grown LiNbO3Graça, M.P.F.; Valente, M.A.; Peres, M.; Cruz, A.; Soares, M.J.; Neves, A.J.; Monteiro, T.; Alves, L.C.; Alves, E.articlerestrictedAccess
Dec-2008Structural and optical spectroscopy of LiNbO3:Tm nanocrystals embedded in a SiO2 glass matrixGraça, M.P.F.; Peres, M.; Valente, M.A.; Neves, A.J.; Monteiro, T.articlerestrictedAccess
1-Oct-2021Structural 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.articleembargoedAccess
30-Apr-2009Synthesis and optical properties of a lithium niobiosilicate glass doped with europiumGraça, M.P.F.; Valente, M.A.; Silva, C.C.; Peres, M.; Cruz, A.; Soares, M.J.; Neves, A.J.; Monteiro, T.articlerestrictedAccess
15-Oct-2018Synthesis, structural characterization and broadband ferromagnetic resonance in Li ferrite nanoparticlesHernández-Gómez, P.; Valente, M.A.; Graça, M.P.F.; Muñoz, J.M.articleopenAccess
31-Jul-2022Thermal sensing in NIR to visible upconversion of Ho3+ and Yb3+ doped yttrium oxyfluoride phosphorJakka, S.K.; Soares, M.J.; Graça, M.P.F.; Neves, A.J.; Nagajyothi, P.C.; K, PavaniarticlerestrictedAccess
19-Dec-2021YAG:ag nanophosphors – synthesis and characterizationSundari, S. Shanmuga; Karthika, S.; Durairajan, A.; Graça, M.P.F.; Valente, M.A.articleopenAccess