Search Results - "Chiquito, A J"

Transport properties of polycrystalline boron doped diamond by de Oliveira, J.R., Berengue, O.M., Moro, J., Ferreira, N.G., Chiquito, A.J., Baldan, M.R.

“…•Synthetic boron doped diamond films were grown by hot filament chemical vapor deposition.•We characterized the films by hall effects as a function of…”
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Crystalline quality and phase purity of CVD diamond films studied by Raman spectroscopy by Fortunato, W, Chiquito, A. J, Galzerani, J. C, Moro, J. R

“…Two series of diamond films grown—at different temperatures—by two chemical vapor deposition (CVD) methods, i.e., hot filament (HFCVD) and microwave-plasma…”
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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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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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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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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 hydrothermal temperature on the antibacterial and photocatalytic activity of WO3 decorated with silver nanoparticles by Capeli, R. A., Belmonte, T., Caierão, J., Dalmaschio, C. J., Teixeira, S. R., Mastelaro, V. R., Chiquito, A. J., Teodoro, M. D., Domenegueti, J. F. M., Longo, E., Trindade, L. G., Pontes, F. M.

“…We studied the catalytic and antimicrobial properties of hierarchical architecture of WO 3 .Ag synthesized at 100, 150, and 200 °C by a very simple and…”
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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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A comparative study of p-type diamond films using Raman and transport measurements by Fortunato, W., Chiquito, A.J., Galzerani, J.C., Moro, J.R.

“…The influence of deposition temperature in the properties of synthetic diamond films grown by two different chemical vapor deposition (CVD) techniques,…”
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Ge/Si Quantum Dots Superlattices Grown at Different Temperatures and Characterized by Raman Spectroscopy and Capacitance Measurements by Zahn, Dietrich R. T., Galzerani, J. C., Rodrigues, A. D., Pchelyakov, O. P., Ulyanov, V. V., Nikiforov, A. I., Chiquito, A. J., Zanelatto, G., Milekhin, Alexander

“…Ge/Si heterostructures with Ge self-assembled quantum dots (SAQDs) grown at various temperatures by molecular beam epitaxy were investigated using resonant…”
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Structural, dielectric, ferroelectric and optical properties of PBCT, PBST and PCST complex thin films on LaNiO3 metallic conductive oxide layer coated Si substrates by the CSD technique by Pontes, D.S.L., Chiquito, A.J., Pontes, F.M., Longo, E.

“…•(110) Textured LNO thin films was grown on Si substrate.•Ferroelectric thin films on the LNO layer showed good electrical properties.•Ferroelectric thin films…”
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Structural, microstructural, optical and electrical properties of (Pb,Ba,Sr)TiO3 films growth on conductive LaNiO3-coated LaAO3(100) and Pt/Ti/SiO2/Si substrates by Pontes, D.S.L., Capeli, R.A., Garzim, M.L., Pontes, F.M., Chiquito, A.J., Longo, E.

“…The ferroelectric and dielectric properties of lead barium strontium titanate (PBST) thin films are investigated on different bottom electrode and substrate…”
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Structural and electrical properties of LaNiO3 thin films grown on (100) and (001) oriented SrLaAlO4 substrates by chemical solution deposition method by Pontes, D.S.L., Pontes, F.M, Pereira-da-Silva, Marcelo A., Berengue, O.M., Chiquito, A.J., Longo, E.

“…LaNiO3 thin films were deposited on SrLaAlO4 (100) and SrLaAlO4 (001) single crystal substrates by a chemical solution deposition method and heat-treated in…”
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Electrical transport properties and complex impedance investigation of Fe3+ and La3+ co-doping (Pb,Sr)TiO3 thin films by Pontes, F.M., Pontes, D.S.L., Chiquito, A.J., Colmenares, Y.N., Mastelaro, V.R., Longo, E.

“…[Display omitted] •The influence of Fe3+ and La3+ incorporation on properties of PST has been analyzed carefully.•The electrical transport properties have been…”
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Ferroelectric and structural instability of (Pb,Ca)TiO3 thin films prepared in an oxygen atmosphere and deposited on LSCO thin films which act as a buffer layer by Pontes, D.S.L., Pontes, F.M., Pereira-da-Silva, Marcelo A., Zampieri, M., Chiquito, A.J., Pizani, P.S., Longo, E.

“…Structural, microstructural and ferroelectric properties of Pb0.90Ca0.10TiO3 (PCT10) thin films deposited using La0.50Sr0.50CoO3 (LSCO) thin films which serve…”
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A Raman and dielectric study of a diffuse phase transition in (Ph1-xCax)TiO3 thin films by PONTES, F. M, PONTES, D. S. L, LEITE, E. R, LONGO, E, CHIQUIT, A. J, MACHADO, M. A. C, PIZANI, P. S, VARELA, J. A

“…Dielectric and Raman scattering experiments were performed on polycrystalline Pb1-xCaxTiO3 thin films (x=0.1,0.2,0.30, and 0.40) as a function of temperature…”
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An alternative chemical route for synthesis of SrBi2Ta2O9 thin films by Zanetti, S. M., Leite, E. R., Longo, E., Araújo, E. B., Chiquito, A. J., Eiras, J. A., Varela, J. A.

“…SrBi2Ta2O9 was synthesized by the modified polymeric precursor method using precursor reagents such as carbonate, nitrate, or oxide. The films were deposited…”
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Effects of strontium and calcium simultaneous substitution on electrical and structural properties of Pb1−x−y Ca x Sr y TiO3 thin films by Pontes, D S L, Longo, E, Pontes, F M, Galhiane, M S, Santos, L S, Pereira-Da-Silva, Marcelo A, da Silva, J H D, Chiquito, A J, Pizani, P S

“…Ferroelectric Pb1-x-y Ca x Sr y TiO3 thin films (denoted by PCST90, PCST70, and PCST30) were deposited on the Pt/Ti/SiO2/Si substrates by a chemical solution…”
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Effects of strontium and calcium simultaneous substitution on electrical and structural properties of Pb1−x−yCaxSryTiO3 thin films by Pontes, D. S. L., Longo, E., Pontes, F. M., Galhiane, M. S., Santos, L. S., Pereira-da-Silva, Marcelo A., da Silva, J. H. D., Chiquito, A. J., Pizani, P. S.

“…Ferroelectric Pb 1− x − y Ca x Sr y TiO 3 thin films (denoted by PCST90, PCST70, and PCST30) were deposited on the Pt/Ti/SiO 2 /Si substrates by a chemical…”
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