Writers: Ricardo H. Gonçalves and Edson R. Leite Keywords: semiconductors; films; hematite ABSTRACT: Hematite is one of the most promising semiconductors used to convert solar irradiation directly into chemical energy (molecular hydrogen and oxygen) via water splitting. Although several methods […]
Writers: Alexsandro Mendes Zimer, Matheus A.S. De-Carra, Lucia Helena Mascaro, Ernesto Chaves Pereira Keywords: in situ optical microscopy; AISI 1040 steel; Pitting corrosion; Digital image processing Abstract: This work presents a method to study corrosion reactions in real […]
Writers: Armando Beltrán, Lourdes Gracia, Elson Longo, Juan Andrés. Keywords: Electronic Properties Abstract: We have performed a systematic first-principles investigation by using the density functional formalism with the nonlocal B3LYP approximation to calculate structural and electronic properties […]
Writers: Marcela F. Silva, Mariani A. Ciciliatti, Ana A. W. Hechenleitner, Rebeca Peñalva, Maite Agüeros, Juan M. Irache, Adilson J. A. de Oliveira, Ammad A. Farooqi, Edgardo A. G. Pineda Keywords: maghemite; nanocapsules; optimization; poly (ɛ- caprolactone); […]
Writers: L. V. Costa, Maria G. Ranieri, Mario Cilense, Elson Longo, Alexandre Z. Simões Keywords: magnetoelectric coupling; bismuth ferrite; thin films grown Abstract: Magnetoelectric coupling was observed at room temperature in calcium modified bismuth ferrite BiFeO3 (BFO) thin films deposited […]
Writers: F.B. Destro, Francisco Moura, Cesar R. Foschini, M.G. Ranier, Elson Longo, Alexandre Z. Simões Keywords: Chemical synthesis; Electron diffraction; Ferroelectricity; Thin films Abstract: This paper focuses on the electrical properties of Bi0.95Nd0.05FeO3 thin films (BNFO05) deposited on […]
Writers: D. M. G. Leite, A. Batagin-Neto, O. Nunes-Neto, J. A. Gómez, C. F. O. Graeff Keywords: magnetic; circuit; resonance Abstract: The physics of electrically detected magnetic resonance (EDMR) quadrature spectra is investigated. An equivalent circuit model is proposed […]
Writers: S.R. Teixeira, R.S. Magalhães, A. Arenales, A.E. Souza, M. Romero, J.M. Rincón Keywords: Wollastonite; Sugarcane; Ash; Limestone; Glass-ceramic Abstract: Some aluminosilicates, for example mullite and wollastonite, are very important in the ceramic and construction industries. The most […]
Writers: André E. Nogueira, Elson Longo, Edson R. Leite, Emerson R. Camargo Keywords: Bismuth titanate, Photocatalyst, OPM route Abstract: Bismuth titanate (Bi4Ti3O12 and Bi12TiO20) powders were synthesized by the Oxidant Peroxide Method (OPM), and the effect of temperatures […]
Writers: C. A. Oliveira, E. Longo, M. A. Zaghete, W. Sakamoto, G. C. Fuzzari Keywords: PZT; composite; PVDF; PAni; polymer precursor method Abstract: This work presents the preparation and characterization of PZT ceramic obtained by the polymeric […]
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