Writers: W. Avansi Jr., R. Arenal, V. R. de Mendonça, C. Ribeiro, E. Longo Keywords: nanostructures; optical properties Abstract: A facile and environmentally friendly synthesis approach for the production of vanadium doped titanium dioxide (VxTi1−xO2) nanostructures was demonstrated via […]
Writers: R. L. Grosso, J. R. Matos, E. N. S. Muccillo Keywords: Zirconia; Scandium; Dysprosium; TG–DTA; FTIR; DRX Abstract: Zirconia containing 10 mol% scandia and x mol% dysprosia (0 ≤ x ≤ 1.5) gels was synthesized by simultaneous precipitation at room temperature. The […]
Writers: L.V. Costa, R.C. Deus, CesarR. Foschini, Elson Longo, Mário Cilense, Alexandre Z. Simões Keywords: Ceramics; Thin films; Coatings; Chemical synthesis Abstract: Calcium (Ca)-doped bismuth ferrite (BiFeO3) thin films prepared by using the polymeric precursor method (PPM) were […]
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 […]
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