Search Results - "Pontes, F. M."

Development of Ti–Al–V alloys for usage as single-axis knee prostheses: evaluation of mechanical, corrosion, and tribocorrosion behaviors by Pinto, B. O., Torrento, J. E., Grandini, C. R., Galindo, E. L., Pintão, C. A. F., Santos, A. A., Lisboa-Filho, P. N., Pontes, F. M. L., Correa, D. R. N.

“…Single-axis knee prosthesis is an artificial biomechanical device that provides motion to amputees without the need for assistance appliances. Besides it is…”
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Sonochemical Synthesis and Characterization of the Biphasic Compound Na2Ti3O7/ Na2Ti6O13 by Chaar, S. M., da Silva, J. P., Nobre, F. X., Passos, J., Aguilera, L., Silva, J. H. L., Silva, R. S., Guerrero, F., Pontes, F. M., Leyet, Y.

“…This study processed and characterized the biphasic ceramics Na2Ti3O7/Na2Ti6O13 that were obtained from semi-crystalline nanoparticles synthesized using…”
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Crystal growth in colloidal tin oxide nanocrystals induced by coalescence at room temperature by Leite, E. R., Giraldi, T. R., Pontes, F. M., Longo, E., Beltrán, A., Andrés, J.

“…The crystal growth process in colloidal nanocrystal systems is usually associated with the Ostwald-ripening mechanism. Here, we report on experimental evidence…”
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Influence of a co-substituted A-site on structural characteristics and ferroelectricity of (Pb, Ba, Ca)TiO3 complex perovskites: analysis of local-, medium- and long-range order by Pontes, D. S. L., Pontes, F. M., da Silva, L. F., Chiquito, A. J., Pizani, P. S., Longo, E.

“…Thin films of A-site co-substituted, PbTiO 3 (PTO) by Ba 2+ and Ca 2+ , i.e., PBCT70, PBCT60, PBCT50 and PBCT40 were fabricated on Pt/Ti/SiO 2 /Si substrates…”
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A transcription fork model for Pol IV and Pol V-dependent RNA-directed DNA methylation by Pikaard, C S, Haag, J R, Pontes, O M F, Blevins, T, Cocklin, R

“…In Arabidopsis thaliana, nuclear multisubunit RNA polymerase IV (Pol IV) and RNA-DEPENDENT RNA POLYMERASE 2 (RDR2) are required for the biogenesis of…”
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Preparation, structural and optical characterization of BaWO4 and PbWO4 thin films prepared by a chemical route by PONTES, F. M, MAURERA, M. A. M. A, SOUZA, A. G, LONGO, E, LEITE, E. R, MAGNANI, R, MACHADO, M. A. C, PIZANI, P. S, VARELA, J. A

“…Polycrystalline BaWO4 and PbWO4 thin films having a tetragonal scheelite structure were prepared at different temperatures. The thin films were deposited by…”
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One-step controllable synthesis of three-dimensional WO3 hierarchical architectures with different morphologies decorated with silver nanoparticles: enhancing the photocatalytic activity by Capeli, R A, Dalmaschio, C J, Teixeira, S R, Mastelaro, V R, Chiquito, A J, Longo, E, Pontes, F M

“…Hierarchical architecture self-assembled three-dimensional WO3 and WO3·Ag with high uniformity have been successfully obtained using peroxopolytungstic acid as…”
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Effects of the postannealing atmosphere on the dielectric properties of (Ba, Sr)TiO3 capacitors: Evidence of an interfacial space charge layer by Pontes, F. M., Leite, E. R., Longo, E., Varela, J. A., Araujo, E. B., Eiras, J. A.

“…The dielectric properties of (Ba, Sr)TiO3 films were found to be remarkably sensitive to the postannealing treatment atmosphere. This study demonstrates that…”
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High dielectric constant of SrTiO3 thin films prepared by chemical process by PONTES, F. M, LEE, E. J. H, LEITE, E. R, LONGO, E, VARELA, J. A

“…SrTiO3 thin films were prepared by the polymeric precursor method and deposited by spin-coating onto Pt/Ti/SiO2/Si(100) substrates. The spin-coated films heat…”
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Microstructural and optical characterization of CaWO4 and SrWO4 thin films prepared by a chemical solution method by Maurera, M.A.M.A, Souza, A.G, Soledade, L.E.B, Pontes, F.M, Longo, E, Leite, E.R, Varela, J.A

“…Stoichiometric CaWO4 and SrWO4 thin films were synthesised using the polymeric precursor method. Soluble precursors such as strontium carbonate, calcium…”
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Microwave-assisted solvothermal preparation of Zr-BDC for modification of proton exchange membranes made of SPEEK/PBI blends by da Trindade, L. G., Zanchet, L., Dreon, R., Souza, J. C., Assis, M., Longo, E., Martini, E. M. A., Chiquito, A. J., Pontes, F. M.

“…Sulfonated poly(ether ether ketone)/polybenzimidazole (SPEEK/PBI) blends were made with different quantities of metal organic (Zr-BDC) synthesized by…”
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Investigation in SrTiO3-CaTiO3-PbTiO3 ternary thin films by dielectric proprieties and Raman spectroscopy by Pontes, D. S. L., Longo, E., M Pontes, F., Pereira-da-Silva, Marcelo A., da Silva, J. H. D., Chiquito, A. J., Pizani, P. S.

“…Dielectric and Raman scattering experiments were performed on polycrystalline Pb 1−x−y Ca x Sr y TiO 3 thin films as a function of temperature…”
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Amorphous lead titanate: a new wide-band gap semiconductor with photoluminescence at room temperature by Leite, E. R, Pontes, F. M, Paris, E. C, Paskocimas, C. A, Lee, E. J. H, Longo, E, Pizani, P. S, Varela, J. A, Mastelaro, V

“…This paper describes a new amorphous wide‐band gap semiconductor with photoluminescence (PL) at room temperature. The amorphous PbTiO3 was prepared by a…”
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Photoluminescence at room temperature in amorphous SrTiO3 thin films obtained by chemical solution deposition by PONTES, F. M, LONGO, E, LEITE, E. R, LEE, E. J. H, VARELA, J. A, PIZANI, P. S, CAMPOS, C. E. M, LANCIOTTI, F, MASTELLARO, V, PINHEIRO, C. D

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Effect of strontium addition on ferroelectric phase transition of PZT thin films prepared by chemical route by Pontes, F. M., Galhiane, M. S., Santos, L. S., Gavino, A., Petit, L. A., Pontes, D. S. L., Longo, E., Chiquito, A. J., Costa, C. E. F.

“…The dependence of ferroelectric phase transition temperature as a function of strontium substitution in lead titanate zirconate thin films (referred here as…”
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Synthesis, characterization, photocatalytic, and antimicrobial activity of ZrO2 nanoparticles and Ag@ZrO2 nanocomposite prepared by the advanced oxidative process/hydrothermal route by Nova, C. V., Reis, K. A., Pinheiro, A. L., Dalmaschio, C. J., Chiquito, A. J., Teodoro, M. D., Rodrigues, A. D., Longo, E., Pontes, F. M.

“…ZrO 2 nanoparticles (ZrO 2 NPs) and Ag@ZrO 2 nanocomposite (Ag@ZrO 2 NCs) were prepared from zirconium (IV) butoxide in the absence of base or acid mineraliser…”
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Effect of annealing time on morphological characteristics of Ba(Zr,Ti)O3 thin films by CAVALCANTE, L. S, ANICETE-SANTOS, M, PONTES, F. M, SOUZA, I. A, SANTOS, L. P. S, ROSA, I. L. V, SANTOS, M. R. M. C, SANTOS-JUNIOR, L. S, LEITE, E. R, LONGO, E

“…Ba(Zr0.50 Ti0.50)O3 thin films were prepared by the polymeric precursor method using the annealing low temperature of 300 deg C for 8, 16, 24, 48, 96 and 192h…”
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Structural and morphological characteristics of (Pb1−xSrx)TiO3 powders obtained by polymeric precursor method by Leal, S. H., Sczancoski, J. C., Cavalcante, L. S., Escote, M. T., Matos, J. M. E., Santos, M. R. M. C., Pontes, F. M., Longo, E., Varela, J. A.

“…Pb 1− x Sr x )TiO 3 powders with different compositions ( x  = 0, 0.10, 0.50, 0.90 and 1) were synthesized by the polymeric precursor method and heat treated…”
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The role of network modifiers in the creation of photoluminescence in CaTiO3 by Pontes, F.M, Pinheiro, C.D, Longo, E, Leite, E.R, de Lazaro, S.R, Varela, J.A, Pizani, P.S, Boschi, T.M, Lanciotti, F

“…We discuss the nature of visible photoluminescence (PL) at room temperature in amorphous calcium titanate in the light of the results of recent experimental…”
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Study of the dielectric and ferroelectric properties of chemically processed BaxSr1-xTiO3 thin films by PONTES, F. M, LONGO, E, LEITE, E. R, VARELA, J. A

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