agosto 2013 – Centro de Desenvolvimento de Materiais Funcionais CEPID-FAPESP

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

29 de agosto de 2013 Rose Portasio 0

Writers: D.S.L. Pontes, F.M. Pontes, Marcelo A. Pereira-da-Silva, M. Zampieri, A.J. Chiquito, P.S. Pizani, E. Longo Keywords: Thin films; Buffer layers; Pb1−xCaxTiO3; Chemical synthesis Abstract: Structural, microstructural and ferroelectric properties of Pb0.90Ca0.10TiO3 (PCT10) thin films deposited using La0.50Sr0.50CoO3 (LSCO) thin films […]

Effect of the ZrO2 phase on the structure and behavior of supported Cu catalysts for ethanol conversion

29 de agosto de 2013 Rose Portasio 0

Writers: A.G. Sato, D.P. Volanti, D.M. Meira, S. Damyanova, E. Longo, J.M.C. Bueno Keywords: Ethanol dehydrogenation; Cu/ZrO2 catalysts; Ethyl acetate; Characterization Abstract: The effect of amorphous (am-), monoclinic (m-), and tetragonal (t-) ZrO2 phase on the physicochemical and […]

Correlation Between Photoluminescence and Structural Defects in Ca1+xCu3-xTi4O12 Systems

29 de agosto de 2013 Rose Portasio 0

Writers: Larissa H. Oliveira, Elaine C. Paris, Waldir Avansi, Miguel A. Ramirez, Valmor R. Mastelaro, Elson Longo, José A. Varela Keywords: Photoluminescence; X-ray Abstract: Ca1+xCu3−xTi4O12powders were synthesized by a conventionalsolid-state reaction. X-ray diffraction (XRD) was performedto verify the formation […]

Ionic conductivity and phase stability of spark plasma sintered scandia and ceria-stabilized zirconia

29 de agosto de 2013 CDMF 0

Writers: R.L. Grosso; M. Bertolete; I.F. Machado; R. Muccillo; E.N.S. Muccillo Keywords: Zirconia; Spark plasma sintering; Crystalline structure; Microstructure; Impedance spectroscopy Abstract: In this work the effect of sintering on the ionic conductivity of scandia […]

Photocatalytic activity of semiconductor sulfide heterostructures

28 de agosto de 2013 CDMF 0

Writers: Cristiane W. Raubach; Yuri V. B. De Santana; Mateus M. Ferrer; Prescila G. C. Buzolin; Júlio R. Sambrano; and Elson Longo Abstract: This paper reports a theoretical and experimental study of the heterostructure photocatalytic […]

Stress magnetization model for magnetostriction in multiferroic composite

27 de agosto de 2013 CDMF 0

Writers: A. J. Gualdi; F. L. Zabotto; D. Garcia; and A. J. A. de Oliveira Keywords: Magnetostriction; Magnetic fields; Magnetic materials; Composite materials; Ferromagnetic materials Abstract: An alternative to obtain multiferroic materials is the production […]

Influence of the preparation method and the support on H2O2 electrogeneration using cerium oxide nanoparticles

26 de agosto de 2013 CDMF 0

Writers: M.H.M.T. Assumpção; A. Moraes; R.F.B. De Souza; M.L. Calegaro; M.R.V. Lanza; E.R. Leite; M.A.L. Cordeiro; P. Hammer; M.C. Santos Keywords: Oxygen reduction reaction; Electrogeneration of hydrogen peroxide; Cerium oxide nanoparticles Abstract: This work describes […]

Femtosecond laser processing of glassy and polymeric matrices containing metals and semiconductor nanostructures

26 de agosto de 2013 CDMF 0

Writers: J.M.P. Almeida; V. Tribuzi; R.D. Fonseca; A.J.G. Otuka; P.H.D. Ferreira; V.R. Mastelaro; P. Brajato; A.C. Hernandes; A. Dev; T. Voss; D.S. Correa; C.R. Mendonca Keywords: Femtosecond laser; Material processing; Two-photon polymerization; Metallic nanoparticles; Hybrid […]

The influence of experimental conditions on the morphology and phase composition of Nb-doped ZrO2 films prepared by spark anodization

21 de agosto de 2013 CDMF 0

Writers: J.S. Santos; F. Trivinho-Strixino; E.C. Pereira Keywords: A. Zirconium; oxide coatings; B. SEM; B. XRD Abstract: This paper reports the morphological and microstructural characterization of Nb-doped ZrO2 films obtained by anodic doping in conditions […]