Writers: Débora Cristina Damasceno, Hellen Pontes Silva, Geizi Fátima Vaz, Francine Aparecida Vasques-Silva, Iracema Mattos Paranhos Calderon, Marilza Vieira Cunha Rudge, Kleber Eduardo Campos, Gustavo Tadeu Volpato Keywords: exercise; diabetes mellitus; pregnancy; reproductive outcome; anomaly Abstract: The aim […]
Writers: João B. Florindo, Mariana S. Sikora, Ernesto C. Pereira, Odemir M. Bruno Keywords: FEG images; Nanoscale materials; Pattern recognition; Fractal dimension; Fractal descriptors; Image analysis Abstract: This work presents a methodology to the morphology analysis and characterization […]
Writers: R. Pereira, L.F. Marchesi, R.G. Freitas, R. Matos, E.C. Pereira Keywords: Platinum electrodes; Solegel route; Low cost deposition; Glass substrate Abstract: The preparation and characterization of platinum electrodes on glass substrates obtained by the Pechini method for […]
Writers: A.L. Horovistiz, R.A. Rocha, E.N.S. Muccillo Keywords:Powders; chemical preparation; Ionic conductivity; CeO2; Fuel cells Abstract: The effects of small amounts of bismuth and sodium on the electrical conductivity of gadolinia-doped ceria are investigated. Bulk specimens of […]
Writers: C. S. Martin, M. F. S. Teixeira Keywords: Oxo–manganese complex; Electrochemical behavior; Enzymatic biomimicking; Electrocatalysis; Dopamine Abstract: This work describes the characterization of the [Mn2IV,IVO2(terpy)2(H2O)2]4+ complex in aqueous solution by UV–vis spectrophotometry, cyclic voltammetry, and linear sweep voltammetry with a rotating disk electrode. The pH effect, potential […]
Writers: Sergio A. S. Farias. E. Longo, R. Gargano, João B. L. Martins Keywords: CO2 adsorption; Electronic localization function; First principles; Plane wave; ZnO Abstract: Physical and chemical adsorption of CO2 on ZnO surfaces were studied by means […]
Writers: Maria Elenice dos Santos, Rafael Aparecido Ferreira, Paulo Noronha Lisboa-Filho, Octavio Peña Keywords: Multiferroic materials; Magnetic properties; Ferrimagnetism; Valence fluctuations Abstract: The structural and magnetic properties of the cubic spinel oxide Co2MnO4 (Fd3m space group) doped with […]
Writers: R. Muccillo, E. N. S. Muccillo Keywords: Flash-sintering; Dilatometry; Impedance spectroscopy; FEG-SEM; Yttria-stabilized zirconia Abstract: Analyses of electrochemical impedance spectroscopy plots and dilatometric curves of ZrO2:Y2O3 (YSZ) green compacts upon sintering show the possibility of choosing the shrinkage level of […]
Writers: E.A. Florianoa, L.V.A. Scalvi, J.R. Sambrano, A. de Andrade Keywords: Tin dioxide; Electronic structure; Electrical conductivity; Sol–gel; Thin films Abstract: Doping tin dioxide (SnO2) with pentavalent Sb5+ ions leads to an enhancement in the electrical conductivity of […]
Writers: Tatiane M. Arantes, Renata L. Sala, Edson R. Leite, Elson Longo, Emerson R. Camargo Keywords: degradation; nanocomposites; colloids; rubber; nanoparticles; nanowires; nanocrystals Abstract: Much has been talking about the advantages of polymeric nanocomposites, but little is known […]
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