Search Results - "de Vicente, F.S."

About the thermal stability and pore elimination in the ordered hexagonal mesoporous silica SBA-15 by da Silveira, T., Awano, C.M., Donatti, D.A., de Vicente, F.S., Vollet, D.R.

“…•Ethanol-washed and vacuum dried SBA-15 was heat treated at several temperatures.•The volume of the ordered hexagonal pores diminishes with temperature.•The…”
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Femtosecond laser fabrication of waveguides in Rhodamine B-doped GPTS/TEOS-derived organic/silica monolithic xerogel by Ferreira, P.H.D., Otuka, A.J.G., Barbano, E.C., Manoel, D.S., De Vicente, F.S., Vollet, D.R., Donatti, D.A., Misoguti, L., Mendonça, C.R.

“…•Femtosecond-laser micromachining on Rhodamine B-doped GPTS/TEOS-derived organic/silica monolithic xerogels.•Dye concentration influence on the samples optical…”
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Structural characteristics of P123-modified supercritical drying and hydrophobic ambient pressure drying aerogels by Awano, C.M., Donatti, D.A., de Vicente, F.S., Vollet, D.R.

“…Supercritical drying (SCD) and hydrophobic ambient pressure drying (APD) aerogels were prepared from hydrolysis of tetraethoxysilane in solutions of…”
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EPR, optical absorption and luminescence studies of Cr3+-doped antimony phosphate glasses by De Vicente, F.S., Santos, F.A., Simões, B.S., Dias, S.T., Siu Li, M.

“…•Cr3+-doped antimony phosphate glasses were prepared.•EPR, optical absorption, and photoluminescence were studied in these glasses.•EPR revealed resonance…”
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Photoluminescence tuning and energy transfer process from Tb3+ to Eu3+ in GPTMS/TEOS–derived organic/silica hybrid films by de Vicente, F.S., Freddi, P., Otuka, A.J.G., Mendonça, C.R., Brito, H.F., Nunes, L.A.O., Vollet, D.R., Donatti, D.A.

“…In this work the photoluminescence study and energy transfer from Tb3+ to Eu3+–β–diketonate complexes incorporated into organic/Silica hybrid films derived…”
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Sign of the dominant charge carriers in photorefractive crystals determined by a phase-locked holographic technique by Freschi, A.A., Callegari, F.A., De Vicente, F.S., Gesualdi, M.R.R.

“…•The sign of photorefractive charge carriers is determined by phase-locked holography.•The method can be applied from highly photoconductive to highly…”
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Intense blue and green photoluminescence emissions at room temperature in barium zirconate powders by Cavalcante, L.S., Sczancoski, J.C., Espinosa, J.W.M., Mastelaro, V.R., Michalowicz, A., Pizani, P.S., De Vicente, F.S., Li, M.S., Varela, J.A., Longo, E.

“…Intense blue and green photoluminescence (PL) emissions were observed at room temperature in barium zirconate (BaZrO 3) powders prepared by chemical method…”
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Synthesis of (Ca,Nd)TiO3 powders by complex polymerization, Rietveld refinement and optical properties by Marques, V S, Cavalcante, L S, Sczancoski, J C, Paris, E C, Teixeira, J M C, Varela, J A, De Vicente, F S, Joya, M R, Pizani, P S, Li, M Siu, Santos, M R M C, Longo, E

“…Neodymium calcium titanate, (Ca(0.99)Nd(0.01))TiO(3) powders were synthesized by the complex polymerization method and heat treated at different temperatures…”
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Intense violet-blue photoluminescence in BaZrO3 powders : A theoretical and experimental investigation of structural order-disorder by CAVALCANTE, L. S, SCZANCOSKI, J. C, LONGE, V. M, DE VICENTE, F. S, SAMBRANO, J. R, DE FIGUEIREDO, A. T, DALMASCHIO, C. J, LI, M. Siu, VARELA, J. A, LONGO, E

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Synthesis of YAP nanopowder by a soft chemistry route by Carvalho, J.F., De Vicente, F.S., Pairis, S., Odier, P., Hernandes, A.C., Ibanez, A.

“…Polycrystalline fine powder of YAlO 3 (YAP) was synthesized by the modified polymeric precursor method. A preliminary gradual pyrolytic decomposition under…”
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Structural features of silicas prepared in n-heptane/water/ethanol/sodium dodecylsulfate microemulsions by Vicelli, M.R., Awano, C.M., Donatti, Dario A., Ibañez Ruiz, A., de Vicente, F.S., Perissinotto, A.P., Vollet, Dimas R.

“…[Display omitted] ► Mass fractal silicas were prepared in sodium dodecylsulfate/n-heptane-based microemulsions. ► The mass-fractal length range is shortened…”
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Colored films produced by electron beam deposition from nanometric TiO 2 and Al 2O 3 pigment powders obtained by modified polymeric precursor method by Bernardi, M.I.B., De Vicente, F.S., Li, M. Siu, Hernandes, A.C.

“…Synthesis and the characterization of TiO 2:5%Co (green), TiO 3:5%Fe (brown-reddish), TiO 2:2%Cr (brown), Al 2O 3:5%Co (blue), Al 2O 3:5%Fe (brown-reddish) and…”
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Synthesis of YAP phase by a polymeric method: comprehension of the phase evolution mechanisms by Carvalho, J.F., de Vicente, F.S., Marcellin, Noelie, Odier, Philippe, Hernandes, Antonio Carlos, Ibanez, Alain

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Synthesis of (Ca,Nd)TiO 3 powders by complex polymerization, Rietveld refinement and optical properties by Marques, V.S., Cavalcante, L.S., Sczancoski, J.C., Paris, E.C., Teixeira, J.M.C., Varela, J.A., De Vicente, F.S., Joya, M.R., Pizani, P.S., Siu Li, M., Santos, M.R.M.C., Longo, E.

“…Neodymium calcium titanate, (Ca 0.99Nd 0.01)TiO 3 powders were synthesized by the complex polymerization method and heat treated at different temperatures for…”
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Intense violet–blue photoluminescence in BaZrO 3 powders: A theoretical and experimental investigation of structural order–disorder by Cavalcante, L.S., Sczancoski, J.C., Longo, V.M., De Vicente, F.S., Sambrano, J.R., de Figueiredo, A.T., Dalmaschio, C.J., Li, M. Siu, Varela, J.A., Longo, E.

“…Intense violet–blue photoluminescence (PL) emission at room temperature was verified in BaZrO 3 (BZO) powders with structural order–disorder. Ab-initio…”
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Colored films produced by electron beam deposition from nanometric TiO2 and Al2O3 pigment powders obtained by modified polymeric precursor method by Bernardi, M.I.B., De Vicente, F.S., Li, M. Siu, Hernandes, A.C.

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Luminescence and structure of Er3+ doped Zirconia films deposited by electron beam evaporation by DE VICENTE, F. S, DE CASTRO, A. C, DE SOUZA, M. F, SIU LI, M

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Holographic recording in [Sb(PO3)3]n–Sb2O3 glassy films by photoinduced volume and refraction index changes by De Vicente, F.S., Li, M. Siu, Messaddeq, Y.

“…Glassy films of 0.2[Sb(PO3)3]n–0.8Sb2O3 with 0.8μm-thickness were deposited on quartz substrates by electron beam evaporation. A contraction in the film…”
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Photoinduced structural changes in antimony polyphosphate based glasses by De Vicente, F.S., Siu Li, M., Nalin, M., Messaddeq, Y.

“…A photocontraction effect in amorphous films of the binary glass system 0.20 [Sb(PO 3) 3] n –0.80 Sb 2O 3 has been observed after UV irradiation using the…”
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Luminescence and structure of Er 3+ doped Zirconia films deposited by electron beam evaporation by De Vicente, F.S, De Castro, A.C, De Souza, M.F, Siu Li, M

“…Erbium doped Zirconia films with good optical quality up to 5.0 μm in thickness were obtained by electron beam physical vapor deposition (EB-PVD) on (1 0 0)…”
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